Omron MX2 Series User Manual
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Omron MX2 Series User Manual

Multi-function compact inverter
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Table of Contents

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Inverter
Multi-function Compact Inverter
MX2 Series Type EV2
User's Manual
3G3MX2-A-EV2
I666-E1-E01

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Summary of Contents for Omron MX2 Series

  • Page 1 Inverter Multi-function Compact Inverter MX2 Series Type EV2 User’s Manual 3G3MX2-A-EV2 I666-E1-E01...
  • Page 2 No patent liability is assumed with respect to the use of the information contained herein. Moreover, because OMRON is constantly striving to improve its high-quality products, the information contained in this manual is subject to change without notice. Every precaution has been taken in the preparation of this manual. Neverthe- less, OMRON assumes no responsibility for errors or omissions.

  • Page 3: Introduction

    Introduction Introduction Thank you for purchasing the Multi-function Compact Inverter (Model: 3G3MX2--EV2). This manual describes the installation and wiring methods of the 3G3MX2-EV2 Series Inverter, and parameter setting methods which are required for the operation, as well as troubleshooting and inspec- tion methods.

  • Page 4: Manual Configuration

    Manual Configuration Manual Configuration This manual is compiled section by section for user’s convenience as follows. Section Overview Section 1 Overview This section provides an overview of the 3G3MX2-EV2 Series features, standard specifications, and external dimensions by inverter capacity. It also shows the differ- ences of this inverter from the conventional inverter for those who use the previous model.

  • Page 5: Manual Structure

    Manual Structure Manual Structure Page Structure and Symbol Icons The following page structure and symbol icons are used in this manual. Level 1 heading Level 2 heading Section Level 1 Level 2 heading Level 3 heading Level 3 heading Operation Steps Describes the operation steps.
  • Page 6 Manual Structure Special Information Special information in this manual is classified as follows: Precautions for Safe Use Precautions on what to do and what not to do to ensure safe usage of the product. Precautions for Correct Use Precautions on what to do and what not to do to ensure proper operation and performance. Additional Information Additional information to read as required.

  • Page 7: Sections In This Manual

    Sections in this Manual Sections in this Manual Overview Troubleshooting Maintenance and Design Inspection Options Parameter List Appendices Basic Settings Index Vector Control and Applied Functions Other Functions Communications Functions Overview of DriveProgramming Multi-function Compact Inverter 3G3MX2-EV2 User’s Manual (I666-E1)

  • Page 8: Terms And Conditions Agreement

    Omron’s exclusive warranty is that the Products will be free from defects in materials and workman- ship for a period of twelve months from the date of sale by Omron (or such other period expressed in writing by Omron). Omron disclaims all other warranties, express or implied.
  • Page 9 Disclaimers Performance Data Data presented in Omron Company websites, catalogs and other materials is provided as a guide for the user in determining suitability and does not constitute a warranty. It may represent the result of Omron’s test conditions, and the user must correlate it to actual application requirements. Actual perfor- mance is subject to the Omron’s Warranty and Limitations of Liability.

  • Page 10: Safety Precautions

    Safety Precautions Safety Precautions To ensure that the Multi-function Compact Inverter (Model: 3G3MX2--EV2) is used safely and correctly, be sure to read this Safety Precautions section and the main text before using the product. Learn all items you should know before use, regarding the equipment as well as required safety infor- mation and precautions.
  • Page 11 Safety Precautions Explanation of Symbols This symbol indicates a prohibited item (an item you must not do). The specific instruction is indicated using an illustration or text inside or near The symbol shown to the left indicates “disassembly prohibited.” This symbol indicates danger and caution. The specific instruction is indicated using an illustration or text inside or near The symbol shown to the left indicates “beware of electric shock.”...
  • Page 12 Safety Precautions Turn off the power supply and implement wiring correctly. Not doing so may result in a serious injury due to an electric shock. Wiring work must be carried out only by qualified personnel. Not doing so may result in a serious injury due to an electric shock. Do not change wiring and switches, put on or take off optional devices while the input power is being supplied.
  • Page 13 Safety Precautions Security Measures Anti-virus protection Install the latest commercial-quality antivirus software on the computer connected to the control system and maintain to keep the software up-to-date. Security measures to prevent unauthorized access Take the following measures to prevent unauthorized access to our products. •...
  • Page 14 Safety Precautions CAUTION Be sure to confirm safety before conducting maintenance, inspection or parts replacement. Not doing so might result in a minor injury. Do not connect resistors to the terminals [+1, P/+] and the terminal [N/-] directly. Doing so might result in a small-scale fire, heat generation or damage to the unit.

  • Page 15: Precautions For Safe Use

    Precautions for Safe Use Precautions for Safe Use Installation and Storage Do not store or use the product in the following places. • Locations subject to direct sunlight. • Locations subject to ambient temperature exceeding the specifications. • Locations subject to relative humidity exceeding the specifications. •...
  • Page 16 Precautions for Safe Use Operation and Adjustment • Be sure to confirm the permissible range of motors and machines before operation because the inverter speed can be changed easily from low to high. • Provide a separate holding brake if necessary. •...

  • Page 17: Precautions For Correct Use

    Precautions for Correct Use Precautions for Correct Use Installation • Mount the product vertically on a wall with the product’s longer sides upright. The material of the wall has to be nonflammable such as a metal plate. Restart Selection Function •...
  • Page 18 Precautions for Correct Use Warning Label • This product bears a warning label at the following location to provide handling warnings. • Be sure to follow the instructions. The appearance differs depending on the capacity of the inverter. Warning Description Multi-function Compact Inverter 3G3MX2-EV2 User’s Manual (I666-E1)

  • Page 19: Regulations And Standards

    This product is subject to energy efficiency regulations when it is used in motor systems that are driven by an inverter. For details on inverter efficiency with respect to motor output in accordance with EU efficiency regulations, refer to the following website. https://industrial.omron.eu/en/company-info/environmental/ecodesign-directive Multi-function Compact Inverter 3G3MX2-EV2 User’s Manual (I666-E1)

  • Page 20: Items To Check After Unpacking

    Items to Check after Unpacking Items to Check after Unpacking After unpacking, check the following items. • Is this the model you ordered? • Was there any damage sustained during shipment? Checking the Nameplate The nameplate is affixed to the product. Inverter model Input specifications Output specifications...
  • Page 21 Items to Check after Unpacking Checking the Accessories This product comes with the following accessories. • INSTRUCTION MANUAL (in Japanese) × 1 copy • INSTRUCTION MANUAL (in English) × 1 copy • Nameplate (in 6 languages) × 1 • Compliance Sheet × 1 For China, the Product Certificate of Conformance is included.

  • Page 22: Related Manuals

    Related Manuals Related Manuals Please see the manuals below for related product information. Name Catalog No. CX-Drive Operation Manual W453 DriveProgramming User’s Manual I580 I574 MX2/RX Series EtherCAT Communication Unit User's Manual ® Multi-function Compact Inverter 3G3MX2-EV2 User’s Manual (I666-E1)

  • Page 23: Revision History

    Revision History Revision History The manual revision code is a number appended to the end of the catalog number found in the bottom right-hand corner of the front and back covers. Example I666-E1-E01 Cat.No. Revision code Revision code Revision date Revised Content October 2023 Original production...
  • Page 24 Revision History Multi-function Compact Inverter 3G3MX2-EV2 User’s Manual (I666-E1)

  • Page 25: Table Of Contents

    CONTENTS CONTENTS Introduction ......................1 Manual Configuration ....................2 Manual Structure..................... 3 Sections in this Manual ................... 5 Terms and Conditions Agreement ................6 Safety Precautions....................8 Precautions for Safe Use ..................13 Precautions for Correct Use ................. 15 Regulations and Standards ..................

  • Page 26: Contents

    CONTENTS 2-3-3 Arrangement and Function of Control Circuit Terminal Block ............ 2-14 2-3-4 Wiring for Main Circuit Terminals ....................2-17 2-3-5 Wiring for Control Circuit Terminals ..................2-36 2-3-6 Wiring for RS-485 Communications Terminals ................. 2-43 2-3-7 Wiring for Digital Operator......................2-45 2-3-8 Compliance with EU Directives and UKCA ................
  • Page 27 CONTENTS 5-6-2 Acceleration/Deceleration Pattern ..................... 5-33 5-6-3 2-step Acceleration/Deceleration Function ................5-36 Stop Method Settings ......................5-38 5-7-1 Stop Selection........................... 5-38 5-7-2 Free-run Stop Selection ......................5-38 5-7-3 STOP Key Selection ......................... 5-41 Reset Method Settings ......................5-42 5-8-1 Reset ............................
  • Page 28 CONTENTS 6-6-1 Operation Sequence of Brake Control Function ............... 6-25 6-6-2 Brake Control Function Settings ....................6-26 Simple Position Control ......................6-28 6-7-1 Feedback Settings for Simple Position Control ................. 6-28 6-7-2 Recommended Encoder for Simple Position Control and Its Wiring ......... 6-29 6-7-3 Simple Position Control Operation and Settings ...............
  • Page 29 CONTENTS Multi-function Input/Output Functions ................7-18 7-2-1 Multi-function Input Selection....................7-18 7-2-2 Multi-function Output Selection ....................7-20 Analog I/O Settings........................ 7-22 7-3-1 Analog Input (O, OI) ........................7-22 7-3-2 Analog Input Filter ........................7-24 7-3-3 Analog Command Hold Function (AHD) ................... 7-24 7-3-4 Analog Input Adjustment ......................
  • Page 30 CONTENTS 7-8-10 RUN Time/Power ON Time Over (RNT/ONT) ................7-84 7-8-11 Logic Operation Output Signal (LOG1 to LOG3) ..............7-85 7-8-12 Capacitor Life Warning Signal (WAC) ..................7-86 7-8-13 Cooling Fan Operation ......................7-86 7-8-14 Cooling Fan Life Warning Signal (WAF) ................... 7-87 7-8-15 Communication Disconnection Detection Signal (NDc) ............
  • Page 31 CONTENTS 8-8-1 Co-inverter Communication Parameters ................... 8-32 8-8-2 Co-inverter Communication Settings ..................8-35 Modbus Communication Data Lists ..................8-37 8-9-1 Coil Number List ........................8-37 8-9-2 Monitor Function/Enter Command Register List ............... 8-41 8-9-3 Group F Register List ........................ 8-50 8-9-4 Group A/b/C/H/P Register List ....................
  • Page 32 CONTENTS Appendices A-1 Derating ........................... A-2 A-2 Smoothing Capacitor Life Curve..................A-7 A-3 Life Alarm Output ........................A-8 A-4 UL/cUL Standards Cautions ....................A-9 A-5 Overview of Inverter Selection ...................A-13 Index Multi-function Compact Inverter 3G3MX2-EV2 User’s Manual (I666-E1)

  • Page 33: Overview

    Overview This section provides an overview of the 3G3MX2-EV2 Series features, standard specifi- cations, and external dimensions by inverter capacity. It also shows the differences of this inverter from the conventional inverter for those who use the previous model. 1-1 Overview of Functions ..................1-2 1-1-1 Features of 3G3MX2-EV2 Series Inverter ............

  • Page 34: Overview Of Functions

    In addition to conventional induction motors, this Inverter supports the PM motor, which results in efficient control. This is combined with the OMRON’s unique auto-tuning function and initial pole position estimation function that estimates the magnetic pole position of a PM motor during startup to enable its smooth start.
  • Page 35 1 Overview Precautions for Correct Use Derating of the rated output current of the inverter may be required depending on the nor- mal/light load mode selection, operating ambient temperature, side-by-side installation, and carrier frequency settings. Use the inverter in an appropriate environment according to A-1 Derating on page A-2. ⚫...
  • Page 36 : Mutual data exchange can be performed among inverters, without presence of the master in Modbus communication. Environmental Consideration OMRON gives consideration to not only the functions inherent to the inverter, but also its service life and energy efficiency. ⚫ Automatic energy-saving function The automatic energy-saving function automatically adjusts the output power of the inverter operat- ing at a constant speed to the minimum.
  • Page 37 1 Overview Ease of Use This Inverter is also designed for ease of use in terms of the parameter settings, protection, and opera- tions. This leads to the reduction of man-hours in Inverter-related work. ⚫ Password function The password function prevents unauthorized reading and changing of parameters. ⚫...

  • Page 38: Classes Of 3G3Mx2-Ev2 Series Inverter

    1 Overview 1-1-2 Classes of 3G3MX2-EV2 Series Inverter There are three voltage classes for 3G3MX2-EV2 Series Inverters: Single-phase 200 VAC, 3-phase 200 VAC and 3-phase 400 VAC. The maximum applicable motor capacity for this Inverter is 0.1 to 15 kW for the heavy load mode and 0.2 to 18.5 kW for the light load mode.
  • Page 39 1 Overview Checking the Model 3 G 3 M X 2 - A 2 0 5 5 – E V 2 Type EV2 or V2 Maximum applicable motor capacity (CT rating) 0.1 kW 0.2 kW 0.4 kW 0.75 kW 1.5 kW 2.2 kW 3.0 kW 3.7 kW...

  • Page 40: Appearance And Part Names

    1 Overview Appearance and Part Names The following shows the front view when the product is unpacked (an example of 3G3MX2-A2001-EV2/A2002-EV2/A2004-EV2/A2007-EV2/AB001-EV2/AB002- EV2/AB004-EV2). Open the terminal block cover to wire the main circuit terminal block and the control circuit terminal block. Multi-function Compact Inverter 3G3MX2-EV2 User’s Manual (I666-E1) 1 - 8...
  • Page 41 1 Overview The figures below show the components of each Inverter model. Single-phase 200 V, 0.1/0.2/0.4 kW 3-phase 200 V, 0.1/0.2/0.4/0.75 kW Single-phase 200 V, 0.75/1.5/2.2 kW 3-phase 200 V, 1.5/2.2 kW 3-phase 400 V, 0.4/0.75/1.5/2.2/3.0 kW (1) Cooling Fin (4) Front Cover (2) Inverter Case (5) Backing Plate...
  • Page 42 1 Overview 3-phase 200 V, 3.7 kW 3-phase 400 V, 4.0 kW 3-phase 200 V, 5.5/7.5 kW 3-phase 400 V, 5.5/7.5 kW (1) Cooling Fin (4) Front Cover (2) Inverter Case (5) Backing Plate (3) Terminal Block Cover (6) Cooling Fan Multi-function Compact Inverter 3G3MX2-EV2 User’s Manual (I666-E1) 1 - 10...
  • Page 43 1 Overview 3-phase 200 V, 11 kW 3-phase 400 V, 11/15 kW 3-phase 200 V, 15 kW (1) Cooling Fin (4) Front Cover (2) Inverter Case (5) Backing Plate (3) Terminal Block Cover (6) Cooling Fan Multi-function Compact Inverter 3G3MX2-EV2 User’s Manual (I666-E1) 1 - 11...

  • Page 44: Specifications

    1 Overview Specifications 1-3-1 Standard Specifications 3-phase 200-V Class CT: Heavy load, VT: Light load Item 3-phase 200 V Model A2001 A2002 A2004 A2007 A2015 A2022 A2037 A2055 A2075 A2110 A2150  (3G3MX2- -EV2) Maximum 0.75 applicable 0.75 18.5 motor 7 1/2 capacity 1 1/2...
  • Page 45 1 Overview 3-phase 400-V Class CT: Heavy load, VT: Light load Item 3-phase 400 V Model A4004 A4007 A4015 A4022 A4030 A4040 A4055 A4075 A4110 A4150  (3G3MX2- -EV2) Maximum 0.75 applicable 0.75 18.5 motor 7 1/2 capacity 7 1/2 Rated out- 380 V 11.8...
  • Page 46 1 Overview Single-phase 200-V Class CT: Heavy load, VT: Light load Item Single-phase 200 V Model AB001 AB002 AB004 AB007 AB015 AB022  (3G3MX2- -EV2) Maximum 0.75 applicable 0.55 motor capacity 1 1/2 Rated out- 200 V put capac- ity [kVA] 240 V Single-phase 200 V −15% to 240 V +10%, 50/60 Hz ±5% Rated input voltage...
  • Page 47 1 Overview Common Specifications Item Specifications Enclosure rating Open type (IP20) Control Control method Phase-to-phase sinusoidal modulation PWM 0.01 to 590 Hz Output frequency range Digital command: 0.01% of the maximum frequency, Analog command: Frequency precision 0.2% of the maximum frequency (2510°C) Digital setting: 0.01 Hz, Analog setting: Maximum frequency ...
  • Page 48 1 Overview Item Specifications Other AVR function, V/f characteristics switching, Upper/Lower limit, Multi-step speed (16 steps), Starting functions frequency adjustment, Jogging operation, Carrier frequency adjustment, PID control, Frequency jump, Analog gain/bias adjustment, S-shape acceleration/deceleration, Electronic thermal charac- teristics/level adjustment, Restart function, Torque boost function, Fault monitor, Soft lock function, Frequency conversion display, USP function, 2nd control function, UP/DOWN, Overcurrent sup- pression function, etc.

  • Page 49: External Dimensions

    1 Overview 1-3-2 External Dimensions 68 (W) 4.5 Power supply Model W [mm] H [mm] D [mm] D1 [mm] Single-phase 200 V 3G3MX2-AB001-EV2 13.5 3G3MX2-AB002-EV2 3G3MX2-AB004-EV2 125.5 3-phase 200 V 3G3MX2-A2001-EV2 13.5 3G3MX2-A2002-EV2 3G3MX2-A2004-EV2 125.5 3G3MX2-A2007-EV2 148.5 Multi-function Compact Inverter 3G3MX2-EV2 User’s Manual (I666-E1) 1 - 17...
  • Page 50 1 Overview 108 (W) 4.5 Power supply Model W [mm] H [mm] D [mm] D1 [mm] Single-phase 200 V 3G3MX2-AB007-EV2 3G3MX2-AB015-EV2 173.5 55.5 3G3MX2-AB022-EV2 3-phase 200 V 3G3MX2-A2015-EV2 3G3MX2-A2022-EV2 3-phase 400 V 3G3MX2-A4004-EV2 146.5 28.5 3G3MX2-A4007-EV2 3G3MX2-A4015-EV2 173.5 55.5 3G3MX2-A4022-EV2 3G3MX2-A4030-EV2 Multi-function Compact Inverter 3G3MX2-EV2 User’s Manual (I666-E1) 1 - 18...
  • Page 51 1 Overview 140 (W) 4.5 Power supply Model W [mm] H [mm] D [mm] D1 [mm] 3-phase 200 V 3G3MX2-A2037-EV2 173.5 55.5 3-phase 400 V 3G3MX2-A4040-EV2 Multi-function Compact Inverter 3G3MX2-EV2 User’s Manual (I666-E1) 1 - 19...
  • Page 52 1 Overview 140 (W) 2-6 Power supply Model W [mm] H [mm] D [mm] D1 [mm] 3-phase 200 V 3G3MX2-A2055-EV2 3G3MX2-A2075-EV2 3-phase 400 V 3G3MX2-A4055-EV2 3G3MX2-A4075-EV2 Multi-function Compact Inverter 3G3MX2-EV2 User’s Manual (I666-E1) 1 - 20...
  • Page 53 1 Overview 180 (W) 2-7 Power supply Model W [mm] H [mm] D [mm] D1 [mm] 3-phase 200 V 3G3MX2-A2110-EV2 3-phase 400 V 3G3MX2-A4110-EV2 3G3MX2-A4150-EV2 Multi-function Compact Inverter 3G3MX2-EV2 User’s Manual (I666-E1) 1 - 21...
  • Page 54 1 Overview 220 (W) 2-7 Power supply Model W [mm] H [mm] D [mm] D1 [mm] 3-phase 200 V 3G3MX2-A2150-EV2 Multi-function Compact Inverter 3G3MX2-EV2 User’s Manual (I666-E1) 1 - 22...

  • Page 55: Restrictions

    1 Overview Restrictions Restriction on PM Motor Mode Selecting the PM motor mode disables the following functions. • 2nd control • Torque control and torque limit functions • Encoder feedback function • Induction motor control function • Automatic Voltage Regulator (AVR) •...
  • Page 56 1 Overview Carrier Frequency Setting and Derating of Rated Output Current Derating of the rated output current of the Inverter may be required when a high carrier frequency is set, depending on the normal/light load mode selection and operating temperature. Use the inverter in an appropriate environment according to A-1 Derating on page A-2.

  • Page 57: Comparison With Previous Model

    1 Overview Comparison with Previous Model The following describes the changes and additions from the 3G3MX2-E Series Inverter. Keep this in mind when replacing the inverter from 3G3MX2-E Series to 3G3MX2-EV2 Series. Digital Operator For the 3G3MX2-EV2 Series Inverter, the data display of the Digital Operator and the specifications of operation keys are changed.
  • Page 58 1 Overview 3G3MX2-E 3G3MX2-EV2 Details Increment key Jog dial The Increment key, Decrement key, and Enter key are replaced with a Jog dial. Decrement key Enter key Enter key Change of the Number of Digits on LED Data Display The Digital Operator’s LED data display of the 3G3MX2-EV2 Series Inverter is changed to a 5-digit display.
  • Page 59 1 Overview Operation to Switch from the Digital Operator (Model: 3G3AX-OP01) Connected When the Digital Operator (Model: 3G3AX-OP01) is connected, press and hold the Mode key on the Inverter for 3 seconds or more to enable the operation of the Digital Operator on the Inverter. In this case, the operation of the Digital Operator (Model: 3G3AX-OP01) is disabled.
  • Page 60 1 Overview Change of Parameter Setting Ranges The following parameter data ranges are changed to extend the support range of applications. Data range Parameter Function name 3G3MX2-E 3G3MX2-EV2 d001 Output Frequency Monitor 0.00 to 590.00 0.00 to 400.00 (580.00) d002 Output Current Monitor 0.00 to 655.30 0.00 to 655.35...
  • Page 61 1 Overview Data range Parameter Function name 3G3MX2-E 3G3MX2-EV2 A095 1st 2-step Acceleration Fre- 0.00 to 590.00 0.00 to 400.00 (580.00) quency A295 2nd 2-step Acceleration Fre- quency A096 1st 2-step Deceleration Fre- quency A296 2nd 2-step Deceleration Fre- quency A101 OI Start Frequency 0.00 to 590.00...
  • Page 62 1 Overview Data range Parameter Function name 3G3MX2-E 3G3MX2-EV2 C004 00 to 09, 11 to 16, 18 to 24, 27 00 to 09, 11 to 16, 18, 20 to 24, Multi-function Input 4 Selec- tion to 29, 31 to 42, 44, 46, 47, 50 27 to 29, 31 to 42, 44, 46, 47, to 53, 56 to 62, 65 to 70, 73, 50 to 53, 56 to 62, 65 to 70,...
  • Page 63 1 Overview Parameter No. Function name P211 to P220 Modbus Mapping External Register Type 1 to 10 P221 to P230 Modbus Mapping Scaling 1 to 10 P301 to P310 Modbus Mapping Internal Register 1 to 10 P400 Modbus Mapping Endian Selection The 3G3MX2-EV2 Series Inverter allows you to overwrite the following parameters at any time during RUN, although the 3G3MX2-E Series Inverter does not allow it unless you select “Data can be changed during RUN.”...
  • Page 64 1 Overview Parameter No. Function name A102 OI End Frequency A103 OI Start Ratio A104 OI End Ratio A105 OI Start Selection A131 Acceleration Curve Parameter A132 Deceleration Curve Parameter A141 Calculation Frequency Selection 1 A142 Calculation Frequency Selection 2 A143 Calculation Function Operator Selection A145...
  • Page 65 1 Overview Parameter No. Function name b030 Starting Frequency Selection at Frequency Pull-in Restart b031 Soft Lock Selection b034 RUN Time/Power ON Time Detection Level b036 Reduced Voltage Startup Selection b037 Display Selection b038 Initial Screen Selection b039 User Parameter Automatic Setting Function b040 Torque Limit Selection b041...
  • Page 66 1 Overview Parameter No. Function name C004 Multi-function Input 4 Selection C005 Multi-function Input 5 Selection C006 Multi-function Input 6 Selection C007 Multi-function Input 7 Selection C011 Multi-function Input 1 Operation Selection C012 Multi-function Input 2 Operation Selection C013 Multi-function Input 3 Operation Selection C014 Multi-function Input 4 Operation Selection C015...
  • Page 67 1 Overview Parameter No. Function name C130 Multi-function Output 11 ON Delay Time C131 Multi-function Output 11 OFF Delay Time C132 Multi-function Output 12 ON Delay Time C133 Multi-function Output 12 OFF Delay Time C140 Multi-function Relay Output ON Delay Time C141 Multi-function Relay Output OFF Delay Time C142...
  • Page 68 1 Overview Parameters That are Not Initialization Target Regarding the parameter initialization (data initialization by setting Initialization Selection (b084) to 02 to 04), the parameters not to be initialized have been changed. In the table below, “Yes” indicates those not to be initialized, and “-” indicates those to be initialized. Parameter Function name 3G3MX2-E...
  • Page 69 1 Overview Change of Maximum Frequency The maximum frequency is changed from 400 Hz (580 Hz in high-frequency mode) to 590 Hz. For the maximum frequency, refer to 5-3-3 Base Frequency and Maximum Frequency of Motor on page 5-20. Precautions for Correct Use If you must use the motor at higher than 400 Hz, use the high-frequency mode.
  • Page 70 1 Overview Speed Detection Method during Single-Phase Pulse Input Pulse string input can be used for the feedback input, which is used in v/f control with speed feedback and simple position control. The speed detection method during single-phase pulse input is changed as follows.
  • Page 71 1 Overview Maximum Input Frequency for Pulse Input Terminal The maximum input frequency for the multifunction input terminal 7 when EB (Rotation direction detection) is assigned is changed from 1.8 kHz to 32 kHz. Refer to 6-5-2 Recommended Encoder and Its Wiring on page 6-19 for the specifications of encoder inputs.
  • Page 72 1 Overview Changes in DC Injection Braking Power during Magnetic Pole Positioning and Starting Current of PM Motors When PM Motor Starting Method Selection (H123) is set to 01 (Initial pole position estimation enabled), the DC injection braking power and the starting current are changed as shown in the following figure. For magnetic pole positioning of PM motors, refer to PM Motor Initial Pole Position Estimation in 6-8-6 Adjustment of PM Motor Mode Settings on page 6-64.
  • Page 73 1 Overview Frequency Matching Restart The 3G3MX2-EV2 Series Inverter does not have a frequency matching restart function. The operation when the following parameters are set for frequency pull-in restart is different from the 3G3MX2-E Series Inverter. It operates with frequency pull-in restart. For frequency pull-in restart, refer to 7-7-1 Frequency Pull-in Restart on page 7-62.
  • Page 74 1 Overview OFF/ON Operation of Cooling Fan The operation when the Cooling Fan Operation (b092) is set to 01 (Enabled only during operation) or 02 (Dependent on cooling fin temperature) is changed as follows. Refer to 7-8-13 Cooling Fan Operation on page 7-86 for cooling fan operation. b092 3G3MX2-E 3G3MX2-EV2...
  • Page 75 1 Overview Overload Limit The models are different in operation when the Overload Limit Selection parameter (b021/b221/b024) is set to 03 (Enabled during acceleration and constant speed (Accelerated during regeneration)). Refer to 7-8-4 Overload Limit/Overload Warning on page 7-78 for information on the overload limit. 3G3MX2-E 3G3MX2-EV2 During deceleration, the overload limit is disabled.
  • Page 76 1 Overview Relationship between DC Injection Braking Power and Carrier Frequency The limitation on the braking power and carrier frequency for DC injection braking is changed as follows. Refer to 7-9-1 DC Injection Braking (DB) on page 7-93 for information on the DC injection braking.
  • Page 77 1 Overview Addition of Dedicated Safety Terminals and Deletion of Safety Function Selector Switch The 3G3MX2-E Series Inverter had a safety function selector switch and used the multi-function input terminals 3 and 4 for the safety inputs GS1 and GS2. For the 3G3MX2-EV2 Series Inverter, terminals GS1 and GS2 are added as safety terminals.

  • Page 79: Design

    Design This section describes the installation environment and wiring methods. 2-1 Installation ......................2-5 2-1-1 Inverter Installation ....................2-5 2-1-2 Installation Environment ..................2-5 2-2 Removal of Each Part ..................2-9 2-2-1 Removing Covers ....................2-9 2-2-2 Terminal Blocks ....................2-10 2-2-3 Preparing Backing Plate ..................
  • Page 80 2 Design Turn off the power supply and implement wiring correctly. Not doing so may result in a serious injury due to an electric shock. Wiring work must be carried out only by qualified personnel. Not doing so may result in a serious injury due to an electric shock. Do not change wiring and switches, put on or take off optional devices while the input power is being supplied.
  • Page 81 2 Design CAUTION Be sure to confirm safety before conducting maintenance, inspection or parts replacement. Not doing so might result in a minor injury. Do not connect resistors to the terminals [+1, P/+] and the terminal [N/-] directly. Doing so might result in a small-scale fire, heat generation or damage to the unit.
  • Page 82 2 Design Precautions for Safe Use Installation and Storage Do not store or use the product in the following places. • Locations subject to direct sunlight. • Locations subject to ambient temperature exceeding the specifications. • Locations subject to relative humidity exceeding the specifications. •...

  • Page 83: Installation

    2 Design Installation 2-1-1 Inverter Installation Mount the 3G3MX2-EV2 Series Inverter vertically on a wall with the product’s longer sides upright. The material of the wall must be noninflammable such as a metal plate. For the mounting dimensions, refer to 1-3-2 External Dimensions on page 1-17. 2-1-2 Installation Environment Operating Environment Conditions...
  • Page 84 2 Design Precautions for Correct Use Derating of the rated output current of the inverter may be required depending on the nor- mal/light load mode selection, operating ambient temperature, side-by-side installation, and carrier frequency settings. Use the inverter in an appropriate environment according to A-1 Derating on page A-2. Installation Conditions Keep the inverter clear of heating elements such as a braking resistor or reactor.
  • Page 85 2 Design Ambient Temperature Control To ensure reliable operation, use the inverter in an environment subject to minimal temperature rise as much as possible. If you install a ventilation fan in a control panel where several inverters are installed, be careful about the layout of the inverters and the air intake and ventilation apertures.
  • Page 86 When you access the above URL, the “Ecodesign Directive” page is displayed. Download the ecodesign data for RX, RX2, and MX2 Series from the above website and display the files in the MX2-EV2 folder. Open the PDF file for the model for which you want to know the power losses to display the power loss data as shown below.

  • Page 87: Removal Of Each Part

    2 Design Removal of Each Part 2-2-1 Removing Covers Before wiring each terminal block, you need to remove the terminal block cover and the backing plate. This section describes how to remove these covers. To install a communications unit or other option unit, you must remove the front cover beforehand. For how to install an option unit, refer to the user’s manual for each option unit.

  • Page 88: Terminal Blocks

    2 Design Installing Terminal Block Cover To install the terminal block cover, reverse the removal procedure. Install the terminal block cover on the inverter from the top and press it until you here a click. 2-2-2 Terminal Blocks Removing the terminal block cover and each connector cover reveals terminal blocks, connectors, and switches arranged as shown below.

  • Page 89: Preparing Backing Plate

    2 Design 2-2-3 Preparing Backing Plate Before wiring the Inverter, cut off the connecting points between the backing plate and unnecessary portions with nippers or a wire cutter. Inverter with 4.0 kW or Higher Capacity Unnecessary portion Inverter with 5.5 kW or Higher Capacity Unnecessary portion Multi-function Compact Inverter 3G3MX2-EV2 User’s Manual (I666-E1)

  • Page 90: Wiring

    2 Design Wiring 2-3-1 Standard Connection Diagram *1. Connect to the terminals L1 and N on the single-phase 200-VAC inverter (Model: 3G3MX2-AB-EV2). *2. For how to connect a communications unit, refer to the user’s manual for each option unit. *3. For the connection to the braking resistor and regenerative braking unit, refer to 2-3-4 Wiring for Main Circuit Terminals on page 2-17. Multi-function Compact Inverter 3G3MX2-EV2 User’s Manual (I666-E1) 2 - 12...

  • Page 91: Arrangement And Function Of Main Circuit Terminal Block

    2 Design 2-3-2 Arrangement and Function of Main Circuit Terminal Block The table below shows the arrangement of the main circuit terminal block and description of each terminal. Main Circuit Terminal Block R/L1 S/L2 T/L3 +1 P/+ RB The terminal arrangement shown on the left is an example for the inverters with a capacity of 4.0 kW or lower.

  • Page 92: Arrangement And Function Of Control Circuit Terminal Block

    2 Design 2-3-3 Arrangement and Function of Control Circuit Terminal Block The table below shows the arrangement of the control circuit terminal block, and description and speci- fications of each terminal. Control Circuit Terminal Block Short-circuit bar (for sink logic) Short-circuit bar (for disabling STO function)
  • Page 93 2 Design Terminal Terminal Item Description Specifications symbol name Digital Power supply Input signal Common terminal for the internal common power supply, digital input, and analog I/O terminals. Input signal This is 24-VDC power supply for Allowable current: power sup- contact input signal.
  • Page 94 2 Design Terminal Terminal Item Description Specifications symbol name Digital Input Pulse input - This is pulse input for frequency Input pulse: 32 kHz setting. This terminal accepts 5 max. to 24 VDC input signals. (Note Internal resistance: that this terminal is connected to 10 k...

  • Page 95: Wiring For Main Circuit Terminals

    2 Design Terminal Terminal Item Description Specifications symbol name Digital Output Pulse output This terminal outputs pulses. Output pulse: 32 kHz max. Output voltage: 10 Allowable current: 2 mA max. RS-485 terminal Serial communications Modbus ter- Speed: 115.2 kbps minal RS+: RS-485 differential (+) signal max.
  • Page 96 2 Design Main Circuit Configuration Diagram The diagram below shows the configuration of the inverter main circuit. The function of each peripheral component is also described. Name Function (a) (b) (c) Refer to Recommended Cable Size, Wiring Power supply Device, and Crimp Terminal on page 2-22. (d) AC reactor This is used as a harmonic suppression mea- sure.
  • Page 97 2 Design Arrangement of Main Circuit Terminals The arrangement of terminals on the inverter main circuit terminal block is shown below. Applicable model Terminal arrangement 3G3MX2-A2001-EV2 to A2007-EV2 Power supply input terminals R/L1 S/L2 T/L3 +1 P/+ RB º U/T1 V/T2 W/T3 N/- Motor output terminals Charge indicator...
  • Page 98 2 Design Applicable model Terminal arrangement 3G3MX2-AB007- Charge indicator EV2, AB015-EV2, AB022-EV2 +1 P/+ RB N/- L1 N U/T1 V/T2 W/T3 Power supply Motor output input terminals terminals Ground bars: M4 × 2 3G3MX2-A2037-EV2 Charge indicator 3G3MX2-A4040-EV2 +1 P/+ RB N/- R/L1 S/L2 T/L3 U/T1 V/T2 W/T3 Power supply Motor output input terminals terminals...
  • Page 99 2 Design Applicable model Terminal arrangement 3G3MX2-A2110-EV2 3G3MX2-A4110-EV2 to A4150-EV2 Power supply input terminals terminals R/L1 S/L2 T/L3 U/T1 V/T2 W/T3 +1 P/+ N/- RB Charge indicator 3G3MX2-A2150-EV2 Power supply input terminals terminals R/L1 S/L2 T/L3 U/T1 V/T2 W/T3 +1 P/+ N/- RB Charge indicator Multi-function Compact Inverter 3G3MX2-EV2 User’s Manual (I666-E1) 2 - 21...
  • Page 100 2 Design Recommended Cable Size, Wiring Device, and Crimp Terminal For inverter wiring, crimp terminal, and terminal screw tightening torque, refer to the table below. • Each table shows an example of connecting the standard 3-phase motor with four poles to an inverter.
  • Page 101 2 Design ⚫ 3-phase 400-V class Molded Maximum Rated Power cable, Tightening case Normal/ applicable Terminal input torque ground cable circuit Model Light load motor screw current · *1*2*3 breaker mode capacity size [kW] (MCCB) Heavy load AWG16 (1.25) 3G3MX2-A4004-EV2 Light load 0.75 AWG16 (1.25)
  • Page 102 2 Design Wiring for Main Power Supply Input Terminals (R/L1, S/L2, T/L3) The following describes the wiring for the main power supply input terminals and for peripheral equip- ment. ⚫ Installing molded case circuit breaker If the inverter’s protective function is activated, the inverter internal circuit may be damaged depend- ing on the condition.
  • Page 103 • For updated information on EMC noise filters, that support the 3G3MX2-EV2 Series Inverter, check the datasheet or contact Omron representative. ⚫ Installing magnetic contactor To shut off the main circuit power supply with a sequence, you can use a magnetic contactor (MC) on the inverter side closer than a molded case circuit breaker (MCCB).
  • Page 104 2 Design ⚫ Inrush current flow when the inverter power supply is turned ON When the inverter power supply is turned ON, the charging current, which is called inrush current, flows in the main circuit board capacitor. The table below shows the reference values at a power supply voltage of 200 V or 400 V when the power supply impedance is low.
  • Page 105 2 Design ⚫ Installing input noise filter The inverter performs high-speed output switching, which may cause the noise flow from the inverter to power supply lines that negatively affects on peripheral equipment. Therefore, it is recommended to use an input noise filter to reduce noise flowing out to power supply lines.
  • Page 106 2 Design Harmonic Current Measures and DC/AC Reactor Wiring (+1, P/+) In recent years, there is an increasing concern about harmonic currents generated from industrial machinery. The following provides an overview of harmonics and measures against harmonics implemented in this inverter.
  • Page 107 2 Design ⚫ Causes of harmonics • General electrical equipment internally con- Voltage verts AC input power (commercial power) into DC power. At this time, harmonic currents occur because of the difference in the current Time flow direction between AC power and DC power.
  • Page 108 2 Design ⚫ Wiring method With DC reactor 3-phase 200 VAC Single-phase 200 VAC 3-phase 400 VAC *1. Connect to the terminals L1 and N on the single-phase 200-VAC inverter. With DC reactor and AC reactor 3-phase 200 VAC Single-phase 200 VAC 3-phase 400 VAC *1.
  • Page 109 2 Design Wiring for Inverter Output Terminals (U/T1, V/T2, W/T3) The following describes the wiring for the inverter output terminals (U/T1, V/T2, W/T3). ⚫ Never connect power supply to output terminals Never connect the power supply to the output terminals U/T1, V/T2, W/T3. The inverter is damaged internally if power supply voltage is applied to the output terminals.
  • Page 110 2 Design ⚫ Measures against inductive noise In addition to the noise filter described above, you can suppress the inductive noise produced on the output side by connecting a bundle of wires through a grounded metal conduit. Moreover, moving the conduit 30 cm or more away from signal lines helps the reduction of inductive noise.
  • Page 111 2 Design ⚫ Measures against radio noise Besides the I/O wires, radio noise is radiated from the inverter itself. This radio noise can be reduced by installing noise filters on both the input and output sides of the inverter and by installing and shielding the inverter body in a grounded iron enclosure etc. Keep the cables between the inverter and the motor as short as possible.
  • Page 112 2 Design External Braking Resistor Connection Terminal (P/+, RB)/ Regenerative Braking Unit Connection Terminal (P/+, N/–) When driving a load with a large inertia or a vertical axis, regenerated energy is fed back to the inverter when it is decelerating or generating downward movement. If the amount of regenerative energy exceeds the amount allowable for the inverter, an overvoltage is detected.
  • Page 113 2 Design • When using the external Regenerative Braking Unit, remove the built-in resistor. Using the Regenerative Braking Unit with the built-in resistor connected may cause damage to the built-in resistor. • Wiring diagram for connecting one Braking Unit. Fuse Inverter MCCB R/L1...

  • Page 114: Wiring For Control Circuit Terminals

    2 Design 2-3-5 Wiring for Control Circuit Terminals Wiring for Control Circuit Terminals • Although two terminals L are internally connected, the terminal CM2 is a common terminal for input and analog signals and mutually isolated from them. Do not short-circuit or ground these common terminals. In addition, do not ground these common terminals via external equipment.
  • Page 115 2 Design Arrangement of Control Circuit Terminals The arrangement of terminals on the control circuit terminal block is shown below. Input power and common Safety function Pulse input and power Input supply Input PLC P24 P24S AM CM2 AL2 AL1 AL0 Communi- Analog input Output...
  • Page 116 2 Design Wiring Method Push in the orange colored portion of the terminal with a flat-blade screwdriver (blade width: 2.5 mm max.) to open the wire insertion hole. With the flat-blade screwdriver pushed in, insert the wire or ferrule into the wire insertion (round) hole.
  • Page 117 2 Design Multi-function Input Terminals and Programmable Controller Con- nection ⚫ Sink logic When external power supply is used When inverter’s internal power supply for input (Remove the short-circuit bar from the control signal is used circuit terminal block.) Short-circuit 24 VDC 24 VDC 24 VDC...
  • Page 118 2 Design Multi-function Output Terminals and Programmable Controller Con- nection ⚫ Sink logic ⚫ Source logic Multi-function Compact Inverter 3G3MX2-EV2 User’s Manual (I666-E1) 2 - 40...
  • Page 119 2 Design Precaution for Wiring Control Circuit Terminals ⚫ Precaution for using more than one inverter If more than one inverter uses a common input (such as a switch), and their power-on timing is dif- ferent, a sneak current will flow in the circuit as shown below. This may cause the inverters to falsely recognize the input signal is ON even if it is OFF.
  • Page 120 2 Design ⚫ For source logic Power ON Power ON Add a diode Switch OFF Switch OFF In place of short-circuit bar, insert a diode With no diode inserted, the input turns ON to prevent sneak current. due to sneak current even when the switch is OFF.

  • Page 121: Wiring For Rs-485 Communications Terminals

    2 Design 2-3-6 Wiring for RS-485 Communications Terminals This inverter has RS-485 communications terminals on its control circuit terminal block. It uses the Modbus communication protocol to establish communications with external controllers. This section describes the wiring procedure for the RS-485 communications terminal block and the installation of the terminating resistor.
  • Page 122 2 Design Terminating Resistor Setting Connect the inverters parallel to each other as shown below and, only on the terminal Inverter, turn ON the terminating resistor selector switch. Even if you have only one inverter connected, turn ON the terminating resistor selector switch. Selecting a terminating resistor appropriate to the cable impedance improves the terminating effect.

  • Page 123: Wiring For Digital Operator

    For the system that incorporates this inverter, perform the final compliance verification separately on the whole system. Directives and Legislation EU Declaration of Conformity OMRON declares that 3G3MX2 Series type EV2 Inverter conform with the requirements of the following EU Directive EMC Directive 2014/30/EU Machinery Directive 2006/42/EC...
  • Page 124 2 Design Applicable Standards The 3G3MX2-EV2 Series complies with the following standards. Requirements Applicable Standards EN 61800-3: 2004/A1: 2012 EN 61800-3: 2018 IEC 61800-3: 2022 Functional safety Functional Safety (Machinery Directive) The safety functions in 3G3MX2-EV2 Series are designed and man- (Machinery) ufactured in accordance with the following standards: •...
  • Page 125 Concepts of Compliance ⚫ EMC Directive The OMRON products are the electrical devices incorporated and used in various machines or man- ufacturing equipment. For this reason, OMRON makes efforts to manufacture products that meet the related EMC standards so that the machines or equipment in which they are incorporated can easily comply with the EMC standards.
  • Page 126 2 Design ⚫ Measures against noise for compliance with EMC Directive • Keep the power cable of the inverter and the EMC noise filter wiring as short as possible. Use a shield braided cable. • For the shield braided cable, use a tinned copper shielded cable with a shield factor of 85%. •...
  • Page 127 2 Design ⚫ Wiring example for single-phase 200-V class Multi-function Compact Inverter 3G3MX2-EV2 User’s Manual (I666-E1) 2 - 49...
  • Page 128 • Not all OMRON products in Europe are imported through the above importer. When a different importer is exporting OMRON products to Europe, those importer is responsible to clarify their name and address as an importer and clearly indicate to the customer.
  • Page 129 2 Design Ecodesign Directive We provide the VSD efficiency information regarding to motor regulation. For details, please visit the following website. https://industrial.omron.eu/en/company-info/environmental/ecodesign-directive Multi-function Compact Inverter 3G3MX2-EV2 User’s Manual (I666-E1) 2 - 51...
  • Page 130 2 Design Multi-function Compact Inverter 3G3MX2-EV2 User’s Manual (I666-E1) 2 - 52...

  • Page 131: Operation And Test Run

    Operation and Test Run This section describes the part names and key operation of the Digital Operator, and the operation method of this product as well as the test run procedure. 3-1 Operation of Digital Operator................3-5 3-1-1 Part Names and Descriptions ................3-5 3-1-2 Key Operation Method ..................
  • Page 132 3 Operation and Test Run Turn off the power supply and implement wiring correctly. Not doing so may result in a serious injury due to an electric shock. Wiring work must be carried out only by qualified personnel. Not doing so may result in a serious injury due to an electric shock. Do not change wiring and switches, put on or take off optional devices while the input power is being supplied.
  • Page 133 3 Operation and Test Run CAUTION Be sure to confirm safety before conducting maintenance, inspection or parts replacement. Not doing so might result in a minor injury. Do not connect resistors to the terminals [+1, P/+] and the terminal [N/-] directly. Doing so might result in a small-scale fire, heat generation or damage to the unit.
  • Page 134 3 Operation and Test Run Precautions for Safe Use Operation and Adjustment • Be sure to confirm the permissible range of motors and machines before operation because the inverter speed can be changed easily from low to high. • Provide a separate holding brake if necessary. •...

  • Page 135: Operation Of Digital Operator

    3 Operation and Test Run Operation of Digital Operator The Digital Operator is a display operation panel for the 3G3MX2-EV2 Series Inverter. 3-1-1 Part Names and Descriptions The table below shows the name and function of each part of the Digital Operator. RUN key enabled LED indicator LED data display...
  • Page 136 3 Operation and Test Run Display Name Description RUN key enabled Lights green when the RUN Command Source Monitor (d063) is set LED indicator to Digital Operator. This indicates that the RUN key is enabled on the Digital Operator. LED data display Displays (in red) various data such as a parameter value, frequency value, or set value.

  • Page 137: Key Operation Method

    3 Operation and Test Run 3-1-2 Key Operation Method This section explains how to use the Digital Operator keys in a typical operation (when the Display Selection is “Complete display”) and in the extended function mode U as operation examples. This operation will be the same even if you set the Display Selection (b037) to other than 00 (Complete display), although the number of parameters that you will see on the display differs.
  • Page 138 3 Operation and Test Run Transition of Parameter Display Multi-function Compact Inverter 3G3MX2-EV2 User’s Manual (I666-E1) 3 - 8...
  • Page 139 3 Operation and Test Run In the extended function mode U, you can operate the Digital Operator in the same way as in other modes. However, do not be confused although each parameter number is displayed again for the set value. Press the Enter key to enter the selected parameter number.
  • Page 140 3 Operation and Test Run Parameter Initialization You can initialize the changed parameters and also clear the fault monitor data. As a measure to prevent inadvertent parameter initialization, the inverter is designed to force the user to set several parameters before execute initialization. For details on parameter initialization, refer to 5-1-2 Parameter Initialization on page 5-5.
  • Page 141 3 Operation and Test Run Digit Shift Display Mode The 3G3MX2-EV2 Series Inverter features a 5-digit LED data display. To display a value with a large number of digits, display the upper 5 digits and use the Enter key to shift right.
  • Page 142 3 Operation and Test Run Individual digit Input Mode In individual input mode, you can enter a value for each digit. When a parameter No. or data value to change is far from the currently displayed value, you can change it efficiently. Press and hold the Enter key for 3 seconds or more to enter the individual input mode.

  • Page 143: Key Operation Method With Remote Digital Operator Connected

    3 Operation and Test Run 3-1-3 Key Operation Method with Remote Digital Operator Connected This section describes the operation method when the optional Digital Operator (Model: 3G3AX-OP01) is connected. Transition of Parameter Display The following figure shows how to operate the optional Digital Operator (Model: 3G3AX-OP01). In parameter display mode Monitor Mode d : Moves to the parameter display...
  • Page 144 3 Operation and Test Run Individual Input Mode for Parameters (Direct Specification/Selection) When a parameter or data to change is far from the currently displayed value, using individual input mode allows you to change the parameter efficiently. In individual input mode, you can enter and select a parameter No. or data for each digit. Step1: Step2: Step3:...
  • Page 145 3 Operation and Test Run Digit Shift Display Mode The optional Digital Operator (Model: 3G3AX-OP01) features a 4-digit LED data display. To display a value with a large number of digits, display the upper 4 digits and use the Enter key to shift right.

  • Page 146: Connections And Functions Of Cx-Drive

    The Inverter/Servo support tool CX-Drive is support software to edit the inverter parameter settings. Installing the OMRON CX-One software on your PC also installs the CX-Drive simultaneously. The 3G3MX2-EV2 Series Inverter is supported in the following or higher versions of the CX-Drive prod- uct: •...
  • Page 147 3 Operation and Test Run CX-Drive Connection Procedure There are two methods to connect the CX-Drive with the inverter. The step-by-step procedure for each method is provided below. ⚫ Connecting by registering inverter connection method beforehand Create a new inverter project, set the connecting method, and connect with the inverter. Follow the steps below.
  • Page 148 3 Operation and Test Run In the [New Drive] window, set the type of connection to the inverter. Under [Connection Type], select [Direct] and click the [Settings] button to the right. On the [Driver] tab, in [Port Selection], select the port name of the computer on which the CX-Drive is installed.
  • Page 149 3 Operation and Test Run On the [Autodetect] tab, set the [Drive Type Selection], [Series Type Selection] and [Con- nection Type Selection]. Under [Drive Type Selection], select the [Inverter] box and click the [Inverter]. Then, under [Series Type Selection], select the [3G3MX2] box. Next, under [Connection Type Selection], select the [Direct] box and click the [Direct].

  • Page 150: Overview Of Cx-Drive Functions

    3 Operation and Test Run After setting communications options, click the [OK] button and close all open windows. Then, click [Autodetect]. The Autodetect function starts to create new drive projects automatically. 3-2-2 Overview of CX-Drive Functions The Inverter/Servo support tool CX-Drive enables you edit the inverter parameters and monitor the inverter status.
  • Page 151 3 Operation and Test Run Precautions for Correct Use The CX-Drive, by default, does not allow connection to the inverter unless the software ver- sions match. • Software number of the inverter set in the CX-Drive project • Software number of inverter actually connected If you cannot connect to the inverter due to a software number mismatch, select [Tools] - [Options] in the menu bar and, in the [Online] tab, deselect the [Check Drive Software Compat- ibility] check box.
  • Page 152 3 Operation and Test Run Status Function of CX-Drive Open the Status folder in the project and double-click the status information. The window corresponding to the selected status information opens. Display Description [Digital Inputs] Displays the current ON/OFF status information and function set to each input terminal.
  • Page 153 3 Operation and Test Run Monitor Function of CX-Drive Open the Monitor folder in the project and double-click Real Time Trace. The Real Time Trance window opens, in which you can monitor the operation status of the inverter. • Up to 8 signals can be traced. •...

  • Page 154: Precautions For Using Cx-Drive

    3 Operation and Test Run 3-2-3 Precautions for Using CX-Drive This section describes the precautions for using the “status function” and “test run function” of the CX-Drive. Status Function of CX-Drive When the EDM function selector switch is ON, the input status of terminals GS1 and GS2 is displayed for multi-function input terminals 3 and 4, respectively.

  • Page 155: Flow Of Test Run

    3 Operation and Test Run Flow of Test Run Perform a test run of the inverter according to the following flow. Item Description Reference Installation Install the inverter according to the installation conditions. Section 2, Connect the inverter to the power supply and peripheral equipment. Section 2, Wiring and con- nections...

  • Page 156: Operation Items For Test Run

    3 Operation and Test Run Operation Items for Test Run The following describes the operation items for test run. Installation Check that the inverter meets the installation conditions. For details on installing the inverter, refer to 2-1 Installation on page 2-5. Wiring and Connections Select peripheral equipment according to the specifications and wire the cables securely.
  • Page 157 3 Operation and Test Run Display Status Checks If no problem is found at power-on, the display status will be as follows. Name Display status POWER LED ALARM LED Not lit RUN LED Not lit (Lit during RUN, blinking if the RUN command is input when the inverter is unable to start operation such as when the frequency reference is 0 Hz) RUN key enabled LED indicator...
  • Page 158 3 Operation and Test Run Precautions for Correct Use • The parameters Total RUN Time Monitor (d016), Total Power ON Time Monitor (d017), and Initialization Data Selection (b085) will not be initialized. When you set 00 to Inverter Mode Selection (b171), Heavy load/Light Load Selection (b049) will not be initialized.
  • Page 159 3 Operation and Test Run No-load Run Rotate the motor with no-load (in a state not connected to the mechanical system) via the Digital Oper- ator. ⚫ Forward/reverse rotation via Digital Operator Follow the steps below to the motor in the forward or reverse rotation. (1) Set the Output Frequency Setting/Monitor (F001).
  • Page 160 3 Operation and Test Run Load Run If no problem is found during no-load run, connect the mechanical system and run the inverter with load via the Digital Operator. ⚫ Mechanical system connection Make sure that the motor stopped completely before connecting the mechanical system. Then, connect the mechanical system with the motor securely to prevent the screws from loosening.

  • Page 161: Parameter List

    Parameter List This section provides the parameter lists that show monitor functions and available parameters for this inverter. 4-1 Monitor Mode ..................... 4-2 4-1-1 Group d ....................... 4-2 4-2 Function Mode ....................4-5 4-2-1 Group F: Basic Function Parameters ..............4-5 4-3 Extended Function Mode ..................

  • Page 162: Monitor Mode

    4 Parameter List Monitor Mode The inverter by default displays the data of the parameter d001 after power-on. To monitor the desired parameter at power-on, change this default setting in the Initial Screen Selection (b038). The displayed parameters vary with the Display Selection (b037) setting. To display all parameters, set this parameter to 00 (Complete display).
  • Page 163 4 Parameter List Changes Parameter Default Function name Monitor or data range during Unit Page data −200 to 200 − − − d010 Torque Bias Monitor Output Torque Moni- −200 to 200 − − d012 P. 7-8 Output Voltage Moni- −...
  • Page 164 4 Parameter List Changes Parameter Default Function name Monitor or data range during Unit Page data Digital Operator (F001) 01 to 15: Multi-step speed frequency 1 to Jogging frequency Modbus communication Frequency Option − − − Reference Source d062 Volume P.

  • Page 165: Function Mode

    4 Parameter List Function Mode The table below lists the function mode parameters. If the data exceeds the display digits, the Digital Operator displays the upper digits for monitoring and the lower digits for setting. To monitor digits that are not displayed, use the digit shift display mode. For details, refer to Digit Shift Display Mode on page 3-11.

  • Page 166: Extended Function Mode

    4 Parameter List Extended Function Mode In the extended function mode, inverter parameters are categorized in six groups: A, b, C, H, P, and U. This section provides the parameter list for each group. Note that the parameters displayed on the Digital Operator vary with the setting in the Display Selection (b037).

  • Page 167: Group A: Standard Function Parameters

    4 Parameter List 4-3-1 Group A: Standard Function Parameters Changes Parameter Default Function name Monitor or data range during Unit Page data data 00: Digital Operator (Volume) 01: Control circuit terminal block (Ana- 1st Frequency Refer- A001 log input) Disabled ence Selection 02: Digital Operator (F001) −...
  • Page 168 4 Parameter List Changes Parameter Default Function name Monitor or data range during Unit Page data data 00: Binary (16-step selection with 4 ter- minals) Multi-step Speed − A019 Disabled Selection 01: Bit (8-step selection with 7 termi- nals) 0.00 1st Multi-step Speed A020 6.00...
  • Page 169 4 Parameter List Changes Parameter Default Function name Monitor or data range during Unit Page data data 00: Manual torque boost 1st Torque Boost − A041 Disabled Selection 01: Automatic torque boost 00: Manual torque boost 2nd Torque Boost − A241 Disabled Selection...
  • Page 170 4 Parameter List Changes Parameter Default Function name Monitor or data range during Unit Page data data Startup DC Injection 0. to 100./70. A057 Enabled (Heavy load/Light load) Braking Power Startup DC Injection A058 0.0 to 60.0 Enabled Braking Time P.
  • Page 171 4 Parameter List Changes Parameter Default Function name Monitor or data range during Unit Page data data 00: Disabled (Deviation = Target value − Feedback value) PID Deviation − A077 Enabled Reverse Output 01: Enabled (Deviation = Feedback value − Target value) PID Variable Range P.
  • Page 172 4 Parameter List Changes Parameter Default Function name Monitor or data range during Unit Page data data A101 OI Start Frequency 0.00 Enabled 0.00 to 590.00 A102 OI End Frequency 0.00 Enabled A103 OI Start Ratio 0. to OI End Ratio Enabled A104 OI End Ratio...
  • Page 173 4 Parameter List Changes Parameter Default Function name Monitor or data range during Unit Page data data A161 VR Start Frequency 0.00 to 590.00 0.00 Enabled A162 VR End Frequency 0.00 Enabled 0.00 to 590.00 A163 VR Start Ratio 0. to VR End Ratio Enabled A164 VR End Ratio...

  • Page 174: Group B: Detailed Function Parameters

    4 Parameter List 4-3-2 Group b: Detailed Function Parameters Changes Parameter Default Function name Monitor or data range during Unit Page data data 00: Trip 01: 0-Hz restart Power Interruption/ 02: Frequency pull-in restart at shutoff − b001 Undervoltage Restart Enabled 03: Trip after frequency pull-in deceler- Selection...
  • Page 175 4 Parameter List Changes Parameter Default Function name Monitor or data range during Unit Page data data Rated 1st Electronic Ther- b012 Enabled current of mal Level 0.20  Rated current to 1.00  Rated cur- inverter rent Rated 2nd Electronic Ther- b212 current of Enabled...
  • Page 176 4 Parameter List Changes Parameter Default Function name Monitor or data range during Unit Page data data 00: Disabled 1st Overload Limit b021 Enabled 01: Enabled during acceleration and Selection constant speed − 02: Enabled during constant speed 2nd Overload Limit 03: Enabled during acceleration and b221 Enabled...
  • Page 177 4 Parameter List Changes Parameter Default Function name Monitor or data range during Unit Page data data 00: Data other than b031 cannot be changed when terminal SFT is ON. 01: Data other than b031 and the set frequency cannot be changed when terminal SFT is ON.
  • Page 178 4 Parameter List Changes Parameter Default Function name Monitor or data range during Unit Page data data 00: Four-quadrant separate setting 01: Terminal switching − b040 Torque Limit Selection Enabled 02: Analog voltage input 03: Option (No applicable Option) Torque Limit 1 (Four- quadrant Mode For- b041 200.
  • Page 179 4 Parameter List Changes Parameter Default Function name Monitor or data range during Unit Page data data Set an upper limit level. Window Comparator Setting range: 0. to 100. b060 100. Enabled O Upper Limit Level Lower limit: Lower limit level + Hysteresis width ...
  • Page 180 4 Parameter List Changes Parameter Default Function name Monitor or data range during Unit Page data data Ambient Tempera- −10. to 50. b075 Enabled °C P. 7-87 ture 00: Clear disabled Integrated Power − b078 Enabled Clear 01: Clear with the Enter key P.
  • Page 181 4 Parameter List Changes Parameter Default Function name Monitor or data range during Unit Page data data 00: Disabled (Function not active) Regenerative Brak- 01: Enabled (Disabled during stop) − b095 Enabled ing Selection 02: Enabled (Enabled during operation and stop) 200-V class: 330.
  • Page 182 4 Parameter List Changes Parameter Default Function name Monitor or data range during Unit Page data data 00: Disabled 01: Enabled (DC Injection Braking Brake Control Func- − b120 enabled during stop) Enabled tion Selection 02: Enabled (DC Injection Braking dis- abled during stop) Brake Release Wait b121...
  • Page 183 4 Parameter List Changes Parameter Default Function name Monitor or data range during Unit Page data data 00: No trip (shut off by hardware) GS Input Operation P. 7- − b145 Enabled Selection 01: Trip 001 to 060 Inverter Display on −...

  • Page 184: Group C: Multi-Function Terminal Function Parameters

    4 Parameter List 4-3-3 Group C: Multi-function Terminal Function Parameters Changes Parameter Default Function name Monitor or data range during Unit Page data data 00: FW (Forward) 01: RV (Reverse) 02: CF1 (Multi-step speed setting binary 1) 03: CF2 (Multi-step speed setting binary 2) Multi-function Input 1 C001 Enabled...
  • Page 185 4 Parameter List Changes Parameter Default Function name Monitor or data range during Unit Page data data Multi-function Input 1 C011 Enabled Operation Selection Multi-function Input 2 C012 Enabled Operation Selection Multi-function Input 3 C013 Enabled Operation Selection 00: NO (NO contact) Multi-function Input 4 −...
  • Page 186 4 Parameter List Changes Parameter Default Function name Monitor or data range during Unit Page data data Output frequency Output current Output torque (Only in the sensor- less vector control) Digital output frequency Output voltage Input power − C027 EO Selection Enabled P.
  • Page 187 4 Parameter List Changes Parameter Default Function name Monitor or data range during Unit Page data data Enabled during acceleration/decel- Low Current Signal − eration and constant speed C038 Enabled Output Selection Enabled during constant speed P. 7-89 0.00  Rated current to 2.00  Rated cur- Low Current Detec- Rated C039...
  • Page 188 4 Parameter List Changes Parameter Default Function name Monitor or data range during Unit Page data data Not output arrival signal Arrival Frequency during acceleration. C042 0.00 Enabled During Acceleration 1 0.01 to 590.00 P. 7-83 Not output arrival signal Arrival Frequency during deceleration.
  • Page 189 4 Parameter List Changes Parameter Default Function name Monitor or data range during Unit Page data data 03: 2400 bps 04: 4800 bps 05: 9600 bps Communication Speed Selection 06: 19.2 kbps − C071 Enabled P. 8-5 07: 38.4 kbps (Baud Rate Selec- tion) 08: 57.6 kbps...
  • Page 190 4 Parameter List Changes Parameter Default Function name Monitor or data range during Unit Page data data 00: Not store frequency data UP/DWN Storage − C101 Enabled P. 7-40 Selection 01: Store frequency data 00: Trip reset at power-on 01: Trip reset at power-off −...
  • Page 191 4 Parameter List Changes Parameter Default Function name Monitor or data range during Unit Page data data Same as options for C021 (33 to 35: Logic Output Signal 2 − C146 Enabled LOG1 to LOG3, 63: OPO, and 255: no Selection 2 cannot be selected.) 00: AND...

  • Page 192: Group H: Motor Control Parameters

    4 Parameter List 4-3-4 Group H: Motor Control Parameters Changes Parameter Default Function name Monitor or data range during Unit Page data data 00: Disabled − H001 Auto-tuning Selection 01: Enabled (No motor rotation) Disabled P. 6-4 02: Enabled (Motor rotation) 00: Standard motor parameter 1st Motor Parameter H002...
  • Page 193 4 Parameter List Changes Parameter Default Function name Monitor or data range during Unit Page data data 1st Motor Parameter Depen-  H030 dent on Disabled (Auto-tuning Data) capacity 0.001 to 65.535 2nd Motor Parameter Depen-  H230 dent on Disabled (Auto-tuning Data) capacity...
  • Page 194 4 Parameter List Changes Parameter Default Function name Monitor or data range during Unit Page data data Depen- PM motor H109 0.0001 to 6.5535 dent on Disabled Parameter Ke (rad/s) capacity P. 6-62 Depen- PM motor H110 dent on Disabled kgm 0.001 to 9999.000 Parameter J capacity...

  • Page 195: Group P: Option/Applied Function Parameters

    4 Parameter List 4-3-5 Group P: Option/Applied Function Parameters Changes Parameter Default Function name Monitor or data range during Unit Page data data 00: Trip Operation Selection on − P001 Enabled P. 7-105 Option Error 01: Continue operation 00: Frequency setting (including PID) 01: Feedback pulse (enabled only Pulse Train Input EA P.
  • Page 196 4 Parameter List Changes Parameter Default Function name Monitor or data range during Unit Page data data − − − P044 (Reserved) Do not change the default 1.00. 1.00 − − − P045 (Reserved) Do not change the default 00. −...
  • Page 197 4 Parameter List Changes Parameter Default Function name Monitor or data range during Unit Page data data Limit Position Control − P075 Disabled Mode Selection No limit P. 6-34 0.0: Disconnection detection disabled Encoder Disconnec- P077 Enabled tion Detection Time 0.1 to 10.0 Restarting Positioning P080...
  • Page 198 4 Parameter List Changes Parameter Default Function name Monitor or data range during Unit Page data data Number of Sent Data of − P140 All Stations in Co- 1. to 5. Enabled inverter Communication Recipient Station Num- ber of All Stations in Co- −...
  • Page 199 4 Parameter List Changes Parameter Default Function name Monitor or data range during Unit Page data data − − − P160 (Reserved) Do not change the default 0000. 0000 − − − P161 (Reserved) Do not change the default 0000. 0000 −...
  • Page 200 4 Parameter List Changes Parameter Default Function name Monitor or data range during Unit Page data data Standard Mod- bus address Modbus Mapping − P200 Enabled P. 8-25 Function Selection Modbus mapping enabled P201 P202 P203 P204 P205 Modbus Mapping Exter- −...

  • Page 201: Group U: User Parameters

    4 Parameter List 4-3-6 Group U: User Parameters Changes Parameter Default Function name Monitor or data range during Unit Page data data U001 U002 U003 U004 U005 U006 U007 U008 U009 U010 U011 U012 U013 U014 U015 no: No registration U016 −...
  • Page 202 4 Parameter List Multi-function Compact Inverter 3G3MX2-EV2 User’s Manual (I666-E1) 4 - 42...

  • Page 203: Basic Settings

    Basic Settings This section describes the basic functions such as the Run command. 5-1 Parameter Display and Parameter Initialization ..........5-3 5-1-1 Display Selection ....................5-3 5-1-2 Parameter Initialization ..................5-5 5-2 V/f Control Settings ................... 5-8 5-2-1 Control Method (V/f Characteristics) ..............5-8 5-2-2 Heavy load/Light Load Selection ...............
  • Page 204 5 Basic Settings 5-9-4 Forward RUN Command (FW) and Reverse RUN Command (RV) ....5-47 5-9-5 Multi-step Speed Operation Function ..............5-48 5-9-6 Jogging (JG) ..................... 5-51 5-9-7 2-step Acceleration/Deceleration (2CH) ............5-52 5-9-8 Reset (RS) ......................5-52 5-9-9 3-wire Input Function (STA, STP, F/R) .............. 5-53 5-10 Multi-function Output Settings ...............

  • Page 205: Parameter Display And Parameter Initialization

    5 Basic Settings Parameter Display and Parameter Initialization 5-1-1 Display Selection • You can select the parameters to be displayed on the Digital Operator. • To display all parameters, set this parameter to 00 (Complete display). Parameter No. Function name Data Default data Unit...
  • Page 206 5 Basic Settings Display condition Parameters displayed when condition is met To display parameters when 2nd Control Method C001 to C007 = 08 and A244 = is set to V/f control (con- A241 to A243, A246, A247 00 or 01 stant torque or reduced torque) To display parameters...

  • Page 207: Parameter Initialization

    5 Basic Settings 5-1-2 Parameter Initialization • The parameter initialization function restores the changed parameters to the factory default settings. • It also can clear the fault monitor data. • As a measure to prevent inadvertent parameter initialization, you need to set several parameters to execute initialization.
  • Page 208 5 Basic Settings Precautions for Correct Use • Remember that it is impossible to undo the initialization once you press the Enter key ( to execute parameter initialization, with the Initialization Execution (b180) set to 01. • When the Soft Lock Selection (b031) is set to prohibit changes of the initialization-related parameters (b084, b094, b180), the initialization cannot be executed.
  • Page 209 5 Basic Settings Clearing Fault Monitor Data Step 1: Set b084 to 04 and Step 2: Set b180 to 01 and press the Enter press the Enter key. key. Clearing completed Enter Enter Switching between 1st and 2nd Controls • The 3G3MX2-EV2 Series Inverter provides two controls that can be switched as required. •...

  • Page 210: V/F Control Settings

    5 Basic Settings V/f Control Settings 5-2-1 Control Method (V/f Characteristics) • V/f control is a method of controlling a motor by setting the output voltage and frequency of the inverter as V/f characteristics, which is effective for using the inverter easily. •...
  • Page 211 5 Basic Settings Reduced Torque Characteristics (VP 1.7th Power (VC at low speed)) This setting is suitable for fan, pump, and other applications that do not require large torque at low speeds. It provides high efficiency, reduced noise, and vibration, because the output voltage is reduced in the low speed range.
  • Page 212 5 Basic Settings • The free V/f function is disabled by default. Even if you set 02 (Free V/f setting) in the 1st/2nd Control Method (A044/A244), the inverter cannot operate with the free V/f function. • If the free V/f function is enabled, the torque boost function (A041/A241, A042/A242, A043/A243), Base Frequency (A003/A203), and Maximum Frequency (A004/A204) settings are disabled.

  • Page 213: Heavy Load/Light Load Selection

    5 Basic Settings Precautions for Correct Use Even if the Free V/f Voltage 1 to 7 is set to a high voltage, the inverter cannot produce output volt- age higher than the input voltage or the value of the 1st/2nd Motor Rated Voltage Selection (A082/A282).
  • Page 214 5 Basic Settings Changing the Heavy load/Light Load Selection (b049) setting switches the setting ranges and default data of some parameters. Doing so also causes some parameter settings to be initialized at the same time. For these parameters, you must set data again after changing the b049 setting even if you configured them beforehand.
  • Page 215 5 Basic Settings Initialization at Setting range Default data load mode Para- Function switching meter name Heavy Light Normal Light to Heavy load (CT) Light load (VT) load (CT) load (VT) to Light Normal 0.20  Heavy load rated 0.20  Light load rated Digital Current Normal- Light load...
  • Page 216 5 Basic Settings Parameter No. Function name Parameter No. Function name Overtorque/Undertorque Level C057 P036 Torque Bias Selection (Reverse Power Running) Overtorque/Undertorque Level C058 P037 Torque Bias Value (Forward Regeneration) Overtorque/Undertorque Signal C059 P038 Torque Bias Polarity Selection Operation Speed Limit Value in Torque Control H001 Auto-tuning Selection P039...

  • Page 217: Motor Parameter Settings

    5 Basic Settings Motor Parameter Settings 5-3-1 Motor Capacity/Pole Number Selection Set the following parameters according to your motor. Parameter Function name Data Default data Unit 0.1/0.2/0.4/0.55/0.75/1.1/1.5/2.2/3.0/ Maximum applica- H003 1st Motor Capacity 3.7/4.0/5.5/7.5/11.0/15.0/18.5 ble motor capacity 0.1/0.2/0.4/0.55/0.75/1.1/1.5/2.2/3.0/ Maximum applica- H203 2nd Motor Capacity 3.7/4.0/5.5/7.5/11.0/15.0/18.5...
  • Page 218 5 Basic Settings Precautions for Correct Use • Setting the Motor Electronic Thermal Selection (b910) to 01 to 03 separates the inverter from the motor electronic thermal function. This enables you to change the operation characteris- tics of the motor electronic thermal function according to the thermal time constant of the motor in use.
  • Page 219 5 Basic Settings Electronic Thermal Characteristics The electronic thermal function enables you to change the overload detection characteristics by setting the 1st/2nd Electronic Thermal Characteristics Selection (b013/b213) according to the motor in use. The reduced torque characteristics and the constant torque characteristics are achieved by setting the reduction factor for each output frequency of the inverter in the basic electronic thermal characteristics.
  • Page 220 5 Basic Settings ⚫ Constant torque characteristics Use the torque characteristics setting for dedicated inverter motors. Dedicated inverter motors are designed to prevent degradation of the cooling effect that arises as the motor speed increases, except at 5 Hz or less. For constant torque characteristics, the reduction factor is not defined for frequencies of 5 Hz or more.
  • Page 221 5 Basic Settings ⚫ Electronic thermal detection of the inverter The electronic thermal function for the inverter is fixed to the rated current value of the inverter, inde- pendent of the b012/b212 setting. However, the characteristics of the Inverter change because the rated current of the Inverter varies with the normal and light load mode settings.

  • Page 222: Base Frequency And Maximum Frequency Of Motor

    5 Basic Settings 5-3-3 Base Frequency and Maximum Frequency of Motor To configure the V/f control characteristics output to the motor, set the base frequency and maximum frequency of your motor. For the base frequency, set the rated frequency of the motor (the frequency listed on the motor rating nameplate).

  • Page 223: Run Command Settings

    5 Basic Settings RUN Command Settings 5-4-1 RUN Command Selection Select the input method for the RUN command. Parameter Function name Data Default data Unit Control circuit terminal block (DriveProgramming) 1st/2nd RUN Com- − A002/A202 Digital Operator mand Selection Modbus communication Option Forward RUN Direction...
  • Page 224 5 Basic Settings • An example of inverter operation with forward command (FW) input and reverse command (RV) input is shown below. Output frequency Output Frequency Setting Multi-function Compact Inverter 3G3MX2-EV2 User’s Manual (I666-E1) 5 - 22...

  • Page 225: Frequency Reference Settings

    5 Basic Settings Frequency Reference Settings 5-5-1 Frequency Reference Selection • Select the input method for the frequency reference in 1st/2nd Frequency Reference Selection (A001/A201). • When the multi-step speed reference function is used (by setting the multi-function input terminals for the Multi-step Speed Reference 0 to 15), the setting in A001/A201 is enabled only for the Multi-step Speed Reference 0.
  • Page 226 5 Basic Settings Below are the details of the data of A001/A201. Data Frequency reference source Sets the frequency reference via the volume control on the external Digital Operator (Model: 3G3AX-OP01). Sets the frequency reference via the control circuit terminal block (analog input signals). (O-L, OI-L) Sets the frequency reference via the Digital Operator.
  • Page 227 5 Basic Settings The frequency reference methods that are used generally are shown below. Using Digital Operator (Volume) Set the frequency reference via the volume control for frequency setting on the Digital Operator (Model: 3G3AX-OP01). Data display RUN key enabled LED indicator Operation keys Volume control for frequency...
  • Page 228 5 Basic Settings Parameter No. Function name Data Default data Unit 1st/2nd Frequency − A001/A201 Digital Operator (F001) Reference Selection Using an Analog Voltage Input or Analog Current Input To use an analog voltage input or analog current input to set the frequency reference, set the parame- ters as shown in the table below.
  • Page 229 5 Basic Settings Using an Analog Voltage Input or Analog Current Input by Switching To switch between the analog voltage and analog current inputs to set the frequency reference, set the parameters as shown in the table below. This enables switching between the frequency reference input (voltage reference) and frequency refer- ence input (current reference) terminals.
  • Page 230 5 Basic Settings Using Multi-step Speed Reference Allocate one of the Multi-function Input 1 to 7 Selection (C001 to C007) to 02 to 05 or 32 to 38 (Multi-step speed) and turn ON that terminal. This enables the inverter to perform multi-step speed operation, independent of Frequency Reference Selection (A001/A201) settings.

  • Page 231: Frequency Reference Correlation Chart

    5 Basic Settings 5-5-2 Frequency Reference Correlation Chart To set the frequency reference, you need to set the 1st/2nd Frequency Reference Selection (A001/A201). Alternatively, you can switch the frequency reference via multi-function input or from a communications unit. Below is a correlation chart among the priority, related parameters, and related multi-function input terminals when the frequency reference is switched.

  • Page 232: Frequency Limit

    5 Basic Settings Precautions for Correct Use The Output Frequency Setting/Monitor (F001) shows the frequency reference in the internal memory (RAM). F001 displays the frequency reference value selected at that time. If you change the frequency reference value displayed in F001 and save it (by pressing the Enter key), the data will be stored with the multi-step speed reference selected at that time.
  • Page 233 5 Basic Settings Using an Analog Voltage Input or Analog Current Input (O-L, OI-L) Setting the lower limit causes the inverter to output the frequency set in the 1st/2nd Frequency Lower Limit (A062/A262) when 0V (4 mA) is input to the frequency reference. The graph below shows the O/OI characteristics with the default analog input start/end function settings (O: A011 to A015, OI: A101 to A105).

  • Page 234: Acceleration/Deceleration Time Settings

    5 Basic Settings Acceleration/Deceleration Time Settings 5-6-1 Acceleration/Deceleration Time Settings • Set the motor acceleration/deceleration time. To accelerate/decelerate slowly, set a large value. To accelerate/decelerate quickly, set a small value. • The set time here indicates the acceleration/deceleration time from 0 Hz to the maximum frequency. The actual acceleration/deceleration time varies depending on the frequency reference value.

  • Page 235: Acceleration/Deceleration Pattern

    5 Basic Settings Parameter Default Function name Data Unit data F002 1st Acceleration Time 1 Acceleration time from 0 to maxi- 10.00 mum frequency (30.00) F202 2nd Acceleration Time 1 0.00 to 3600.00 F003 1st Deceleration Time 1 Deceleration time from maximum 10.00 frequency to 0 (30.00)
  • Page 236 5 Basic Settings Parameter Default Function name Data Unit data Line A097 Acceleration Pattern Selection S-shape curve − U-shape curve A098 Deceleration Pattern Selection Inverted U-shape curve EL-S-shape curve A131 Acceleration Curve Parameter − 1 (Small curve) to 10 (Large curve) A132 Deceleration Curve Parameter EL-S Shape Acceleration Curve...
  • Page 237 5 Basic Settings Pattern Curve Parameter (Curve Factor) Set the Acceleration Curve Parameter/Deceleration Curve Parameter (A131/A132) according to the fol- lowing table. S shape (A097/A098=01) U shape (A097/A098=02) Inverted U shape (A097/A098=03) Output frequency [Hz] Output frequency [Hz] Output frequency [Hz] Target frequency Target frequency Target frequency...

  • Page 238: 2-Step Acceleration/Deceleration Function

    5 Basic Settings 5-6-3 2-step Acceleration/Deceleration Function • Use the 2-step acceleration/deceleration function to switch between two acceleration/deceleration time settings or change the acceleration/deceleration time on the way during acceleration/decelera- tion. • The acceleration/deceleration time switching method can be selected from the following three. •...
  • Page 239 5 Basic Settings (Example 1) When 1st/2nd 2-step Accelera- (Example 2) When 1st/2nd 2-step Accelera- tion/Deceleration Selection (A094/A294) is set to tion/Deceleration Selection (A094/A294) is set to 00 Switch via 2CH terminal 01 Switch by setting (Example 3) When 1st/2nd 2-step Acceleration/Decel- eration Selection (A094/A294) is set to 02 Switch only during forward/reverse switching Multi-function Compact Inverter 3G3MX2-EV2 User’s Manual (I666-E1)

  • Page 240: Stop Method Settings

    5 Basic Settings Stop Method Settings 5-7-1 Stop Selection • Select whether you want the motor to make a deceleration stop according to the deceleration time setting or a free-run stop, when the STOP command is input via the Digital Operator or the control cir- cuit terminal block.
  • Page 241 5 Basic Settings 02: Frequency pull-in restart Frequency pull-in restart causes the inverter to restart by outputting the starting frequency set in the Starting Frequency Selection at Frequency Pull-in Restart (b030) to the motor in a free-run stop state. When the output current reaches the Frequency Pull-in Restart Level (b028), the inverter decelerates according to the Frequency Pull-in Restart Parameter (b029) to suppress the output current.
  • Page 242 5 Basic Settings • The examples below assume that the FRS terminal is used. When the motor is stopped in a free-run state by the STOP command, restarting of the inverter occurs in the same timing as when the FRS terminal turns OFF. (Example 1) 0-Hz restart (b088 = 00) Free-run Motor...

  • Page 243: Stop Key Selection

    5 Basic Settings 5-7-3 STOP Key Selection • Enable/disable the STOP/RESET key on the Digital Operator. • This setting is enabled when the 1st/2nd RUN Command Selection (A002/A202) is not set to 02 (Dig- ital Operator). However, when the 1st/2nd RUN Command Selection (A002/A202) is set to 02 (Digital Operator), the STOP/RESET key is enabled independent of this setting.

  • Page 244: Reset Method Settings

    5 Basic Settings Reset Method Settings 5-8-1 Reset • Use the reset function to reset the trip status of the inverter. This function is used also when the inverter is running normally to shut off the inverter output. To prevent the reset function from being activated when the Inverter is running normally, set the Reset Selection (C102) to 02 (Enabled only during trip) or 03 (Reset only during trip).
  • Page 245 5 Basic Settings Precautions for Correct Use • The reset function clears the data of calculated electronic thermal function and calculated usage rate of regenerative braking. Therefore, frequent use of the reset function causes the motor overload protection and brak- ing resistor overheat protection functions of the inverter to malfunction.

  • Page 246: Restart After Resetting

    5 Basic Settings 5-8-2 Restart after Resetting • In the Reset Restart Selection (C103), select the restart method after trip reset is executed. However, when the Reset Selection (C102) is set to 03 (Trip reset only), the inverter restarts from 0 Hz independently of the C103 setting.
  • Page 247 5 Basic Settings (Example 1) Frequency pull-in restart When the set Restart Standby Time (b003) elapses, the inverter starts output at the fre- quency set in the Starting Frequency Selection at Frequency Pull-in Restart (b030). Then, the inverter decelerates the motor according to the Frequency Pull-in Restart Parameter (b029) setting, while suppressing the output current to the value set in the Fre- quency Pull-in Restart Level (b028).

  • Page 248: Multi-Function Input Settings

    5 Basic Settings Multi-function Input Settings 5-9-1 Multi-function Input Selection • You can allocate the functions shown in the following table to the multi-function input terminals 1 to 7 to use them. • This section describes seven types of primary functions. For other functions, refer to 7-2 Multi-function Input/Output Functions on page 7-18.

  • Page 249: Multi-Function Input Operation Selection

    5 Basic Settings 5-9-2 Multi-function Input Operation Selection The multi-function input terminals can be set to either NO (NO contact) or NC (NC contact) individually. This manual describes each function with the Multi-function Input 1 to 7 Operation Selection (C011 to C017) set to 00 (NO: NO contact).

  • Page 250: Multi-Step Speed Operation Function

    5 Basic Settings 5-9-5 Multi-step Speed Operation Function • Use this function to switch the frequency reference set in the Multi-step Speed Reference 0 to 15 based on the combination of inputs to multi-function input terminals. • For multi-step speed operation, you can select either 4-terminal binary operation (in 16 steps maxi- mum) or 7-terminal bit operation (in 8 steps maximum).
  • Page 251 5 Basic Settings Binary Operation • Setting the Multi-function Input 1 to 7 Selection (C001 to C007) to 02 (CF1) to 05 (CF4) enables the selection of the multi-step speed 0 to 15. • Use the Multi-step Speed Reference 1 to 15 (A021 to A035) to set the frequency for the multi-step speed 1 to 15.
  • Page 252 5 Basic Settings Bit Operation • Setting the Multi-function Input 1 to 7 Selection (C001 to C007) to 32 (SF1) to 38 (SF7) enables the selection of the multi-step speed 0 to 7. • Use the Multi-step Speed Reference 1 to 7 (A021 to A027) to set the frequency for SF1 to SF7. •...

  • Page 253: Jogging (Jg)

    5 Basic Settings 5-9-6 Jogging (JG) • When the jogging function is enabled, jogging operation starts when the RUN command is input. • To enable the jogging function, set the Multi-function Input 1 to 7 Selection (C001 to C007) to 06 (JG: Jogging).

  • Page 254: 2-Step Acceleration/Deceleration (2Ch)

    5 Basic Settings ⚫ Enabled during operation When the Jogging Stop Selection (A039) is set to 03, 04, or 05, jogging operation is performed even if the FW signal turns ON first. However, if the JG signal turns OFF first, the motor falls in a free-run stop state. 5-9-7 2-step Acceleration/Deceleration (2CH) •...

  • Page 255: 3-Wire Input Function (Sta, Stp, F/R)

    5 Basic Settings 5-9-9 3-wire Input Function (STA, STP, F/R) • Use this function to start and stop the inverter via an automatic reset contact such as a pushbutton switch. • Allocate the Multi-function Input 1 to 7 Selection (C001 to C007) to 20 (STA), 21 (STP), and 22 (F/R).

  • Page 256: Multi-Function Output Settings

    5 Basic Settings 5-10 Multi-function Output Settings 5-10-1 Multi-function Output Selection • You can allocate the functions shown in the following table to the multi-function output 11 and 12 terminals, and the multi-function relay output (AL1, AL2) terminals. • This section describes seven types of primary functions. For other functions, refer to 7-2 Multi-function Input/Output Functions on page 7-18.

  • Page 257: Multi-Function Output On/Off Delay Time

    5 Basic Settings 5-10-3 Multi-function Output ON/OFF Delay Time • Each multi-function output terminal can be allocated with the ON/OFF delay time independently. • Because all output signals turn ON/OFF immediately when the set conditions are met, depending on the selected signal, chattering may occur. In such a case, use this function to hold or delay the signal. •...

  • Page 258: Constant Speed Arrival Signal (Fa1)

    5 Basic Settings 5-10-5 Constant Speed Arrival Signal (FA1) • This signal is output when the output frequency reaches the frequency set in the Output Frequency Setting/Monitor. In F001, the frequency reference selected at that time is displayed. • Allocate one of the Multi-function Output 11/12 Selection (C021/C022), or Multi-function Relay Out- put (AL1, AL2) Function Selection (C026), to 01 (FA1).

  • Page 259: 0-Hz Detection Signal (Zs)

    5 Basic Settings Precautions for Correct Use The Multi-function Relay Output (AL1, AL2) Function Selection (C026) is, by default, set to 05 (AL: Alarm output). The table below shows the relationship between the relay output status when the inverter input power supply is ON/OFF and the Multi-function Relay Output (AL1, AL2) Operation Selection (C036) setting.

  • Page 260: Operation Ready (Irdy)

    5 Basic Settings 5-10-8 Operation Ready (IRDY) • This signal is output when the inverter becomes ready to operate (ready to accept the RUN command). • When this command is not output, the inverter does not operate even if the RUN command is input. •...

  • Page 261: Torque Boost Function Settings

    5 Basic Settings 5-11 Torque Boost Function Settings 5-11-1 Torque Boost • Use the torque boost function to raise the output torque if it is not sufficient at low speeds. • This inverter provides two torque boost options: Manual torque boost for manual torque adjustment and Automatic torque boost for automatic torque adjustment.
  • Page 262 5 Basic Settings Automatic Torque Boost • With this setting, the inverter increases the output voltage automatically depending on the load condi- tion. In other words, the output voltage generated when the automatic torque boost is enabled is the sum of manual torque boost voltage and the automatic torque boost voltage. •...
  • Page 263 5 Basic Settings Manual Torque Boost • In the manual torque boost function, set the output voltage and output frequency characteristics of the inverter. • The automatic torque boost function automatically adds the output voltage and output frequency to the characteristics set in the manual torque boost function. •...

  • Page 264: Measures Against Overvoltage

    5 Basic Settings 5-12 Measures against Overvoltage 5-12-1 Overvoltage Suppression Function during Deceleration • Use this function to prevent overvoltage trip caused by the regenerative energy from the motor during deceleration. • Enable or disable the function in the Overvoltage Suppression Function Selection During Decelera- tion (b130).
  • Page 265 5 Basic Settings (Example 1) (Example 2) When DC voltage is kept constant (b130 = 01) When acceleration is enabled (b130 = 02) Main circuit DC voltage [V] Main circuit DC voltage [V] Overvoltage Overvoltage suppression control level level (b131) (b131) Time [s] Time [s]...

  • Page 266: Regenerative Braking Function

    5 Basic Settings 5-12-2 Regenerative Braking Function • When the motor decelerates, moves downward, or is rotated by an external load (that is, when the output torque direction and the rotation direction are opposite), it serves as a generator and the regenerated energy is fed back to the inverter.
  • Page 267 5 Basic Settings Parameter Default Function name Data Unit data 0.0: Regenerative braking not active 0.1 to 100.0 (Limited by b097) The usage rate must be set as a percentage (%) as follows: Allowable braking frequency [%] of the connected braking resistor or lower.
  • Page 268 5 Basic Settings Multi-function Compact Inverter 3G3MX2-EV2 User’s Manual (I666-E1) 5 - 66...

  • Page 269: Vector Control And Applied Functions

    Vector Control and Applied Functions This section describes the vector control and applied functions characteristic of this inverter. 6-1 Sensorless Vector Control ................6-3 6-1-1 Sensorless Vector Control Parameter Settings ........... 6-3 6-1-2 Offline Auto-tuning for Motor Parameters ............6-4 6-1-3 Motor Parameter Settings ...................
  • Page 270 6 Vector Control and Applied Functions 6-8 PM Motor Mode ....................6-54 6-8-1 PM Motor and PM Motor Control ..............6-54 6-8-2 Functional Limitations in PM Motor Mode ............6-56 6-8-3 Switching to PM Motor Mode ................6-58 6-8-4 Offline Auto-tuning for PM Motor Parameters ........... 6-59 6-8-5 PM Motor Parameter Settings ................

  • Page 271: Sensorless Vector Control

    6 Vector Control and Applied Functions Sensorless Vector Control The rotation speed of an induction motor, by its characteristic, decreases as the output torque increases. Selecting sensorless vector control improves this relationship between the output torque and the rota- tion speed of an induction motor, which results in a high output torque even at low speeds. With sensorless vector control enabled, this inverter can output a high starting torque, 200% of the motor rating, at 0.5Hz.

  • Page 272: Offline Auto-Tuning For Motor Parameters

    6 Vector Control and Applied Functions 6-1-2 Offline Auto-tuning for Motor Parameters • Use this function to measure and automatically set the motor parameters required for sensorless vector control. • To use the sensorless vector control method, perform auto-tuning to measure the motor parameter values.
  • Page 273 6 Vector Control and Applied Functions Offline Auto-Tuning Steps Offline auto-tuning consists of the following five steps: • Presetting of parameters • Selection of motor rotation during auto-tuning • Auto-tuning • Operations after auto-tuning • Operations in case of error Presetting of parameters (1) Set the 1st/2nd Motor Capacity (H003/H203) and the 1st/2nd Motor Pole Number (H004/H204) according to your motor.
  • Page 274 6 Vector Control and Applied Functions Selection of motor rotation during auto-tuning In the Auto-tuning Selection (H001), select whether or not to rotate the motor during auto-tuning. Parameter No. Function name Data Default data Unit Disabled − H001 Auto-tuning Selection Enabled (No motor rotation) Enabled (Motor rotation) Set value...
  • Page 275 6 Vector Control and Applied Functions Precautions for Correct Use • Even if you set H001 to 01 (Auto-tuning without motor rotation), for example, the 4-pole motor may rotate by approximately up to 1/8 of a rotation (half the inverse of poles). •...
  • Page 276 6 Vector Control and Applied Functions Parameter No. Function name Data Default data Unit 00: Standard motor parameter 1st/2nd Motor Parameter 02: Auto-tuning parameter (Applies − H002/H202 Selection H030/H230 to H034/H234 data to motor parameters.) 1st/2nd Motor Parameter H030/H230 R1 (Auto-tuning Data) ...

  • Page 277: Motor Parameter Settings

    6 Vector Control and Applied Functions 6-1-3 Motor Parameter Settings • Normally, you perform offline auto-tuning to set motor parameters. However, if the offline auto-tuning process is aborted, for example, when the inverter does not reach 50% of its rated current during auto-tuning, you need to set the motor parameters manually. •...

  • Page 278: Adjustments For Sensorless Vector Control

    6 Vector Control and Applied Functions 6-1-4 Adjustments for Sensorless Vector Control • To use sensorless vector control method, perform offline auto-tuning. If you cannot perform offline auto-tuning, set motor parameters appropriately according to 6-1-3 Motor Parameter Settings on page 6-9. •...
  • Page 279 6 Vector Control and Applied Functions Reverse Rotation Prevention Function This function is enabled only when the 1st/2nd Control Method (A044/A244) is set to 03 (Sensorless vector control). When sensorless vector control is enabled, the inverter may output a rotation signal opposite to the RUN command direction at low speeds, depending on the current accuracy.

  • Page 280: Torque Limit Function

    Use this mode to set the torque limit value from optional equipment. At present, OMRON provides no options that support this mode. • Setting one of the Multi-function Input 1 to 7 Selection (C001 to C007) to 40 (TL: Torque limit enabled) enables the torque limit function set in the Torque Limit Selection (b040) only when the ter- minal TL is input.
  • Page 281 6 Vector Control and Applied Functions Default Parameter No. Function name Data Unit data 0. to 200. Torque Limit 2 255: no (Torque limit disabled) b042 200. (Four-quadrant Mode Reverse Regeneration torque limit Reverse Regeneration) when b040 = 00 0. to 200. Torque Limit 3 255: no (Torque limit disabled) b043...

  • Page 282: Torque Ladstop Function Settings

    6 Vector Control and Applied Functions Precautions for Correct Use When the torque limit function is used in a low speed range, the inverter may fail to start the motor and detect an overload. In this case, use this function in conjunction with the overload limit selection (b021/b221/b024).

  • Page 283: Overtorque/Undertorque Function

    6 Vector Control and Applied Functions Overtorque/Undertorque Function 6-3-1 Overtorque/Undertorque Function Settings Use this function to detect that the estimated motor output torque value exceeded the set level and out- put the overtorque signal. • This function is enabled only when the 1st/2nd Control Method (A044/A244) is set to 03 (Sensorless vector control).

  • Page 284: Torque Control

    6 Vector Control and Applied Functions Torque Control The 3G3MX2-EV2 Series Inverter provides the torque control mode. This section describes the torque control settings and functions. 6-4-1 Torque Control Settings The inverter provides torque control that controls the output torque of the motor. •...

  • Page 285: Torque Bias Function Settings

    6 Vector Control and Applied Functions Torque limit (P037) Torque reference Torque reference (Reference value for input torque control) Speed Speed Speed limit monitor value P039/P040 tion value 6-4-2 Torque Bias Function Settings Use this function to apply bias to the torque reference in the torque control mode. •...

  • Page 286: V/F Control With Speed Feedback

    6 Vector Control and Applied Functions V/f Control with Speed Feedback The 3G3MX2-EV2 Series Inverter can perform V/f control with speed feedback with the pulse train input function included as standard. This control enables highly accurate and stable speed control based on the feedback of the pulse gen- erator (PG) signal or the phase-A/B signal from the encoder.

  • Page 287: Recommended Encoder And Its Wiring

    6 Vector Control and Applied Functions ⚫ Details of Pulse Train Input Type Selection (P004) The Pulse Train Input Type Selection (P004) setting causes the inverter to recognize the feedback rotation direction as shown below. Multi-function RUN command Pulse Train Input Type Recognized feedback rotation Input 7 Selection (P004) setting...
  • Page 288 6 Vector Control and Applied Functions ⚫ Recommended product E6C3-CWZ5GH (Manufacturer: OMRON) Additional Information Crosstalk : A phenomenon by which signals are erroneously transmitted between different phases. Specifically, the rising/falling edge signal from phase A is superimposed on the signal from phase B and the rising/falling edge signal from phase B is superim- posed on the signal from phase A, respectively.
  • Page 289 6 Vector Control and Applied Functions Connect the single-phase pulse signal or single-phase pulse + direction signal as shown in the diagram below. • Connect the single-phase pulse signal to the pulse train input EA terminal. • Input the direction signal to the multi-function Input 7 terminal and set the Multi-function Input 7 Selection (C007) to 85 (EB: Rotation direction detection).
  • Page 290 6 Vector Control and Applied Functions Multi-function Compact Inverter 3G3MX2-EV2 User’s Manual (I666-E1) 6 - 22...

  • Page 291: Protective Detection Under V/F Control With Speed Feedback

    6 Vector Control and Applied Functions 6-5-3 Protective Detection under V/f Control with Speed Feedback The V/f control with speed feedback performs the following protective detection based on the speed feedback data. Use these functions according to your application. ⚫ Overspeed error detection If the speed feedback value exceeds the value set in the Overspeed Error Detection Level (P026), the inverter detects the E81....

  • Page 292: Adjustments For V/F Control With Speed Feedback

    6 Vector Control and Applied Functions 6-5-4 Adjustments for V/f Control with Speed Feedback You can adjust the V/f control with speed feedback function with the gain settings shown below. However, the function cannot be adjusted when using a motor that causes an extremely large slip (10% of the rated rotation speed or higher) or in applications where such a large load that causes the motor to stall (or step out) is applied.

  • Page 293: Brake Control Function

    6 Vector Control and Applied Functions Brake Control Function The 3G3MX2-EV2 Series Inverter has a built-in brake control function for an elevating system etc. Use this function to control the external brake used in an elevating system etc. from the inverter. The brake control function can be used independently of the 1st/2nd Control Method (A044/A244) Selection.

  • Page 294: Brake Control Function Settings

    6 Vector Control and Applied Functions (4) After the brake confirmation signal turns ON (after releasing the brake), the inverter waits until the Acceleration Wait Time on Brake Control (b122) elapses and acceler- ates again to the set frequency. ⚫ During deceleration (5) After the RUN command turns OFF, the inverter decelerates to the Brake Force Fre- quency (b127) and turns OFF the brake release signal (C021, C022, C026 = 19: BRK).
  • Page 295 6 Vector Control and Applied Functions Parameter Default Function name Data Unit data 00: Disabled 01: Enabled (DC Injection Braking Brake Control Function − b120 enabled during stop) Selection 02: Enabled (DC Injection Braking dis- abled during stop) 0.00 to 5.00 The time from when the inverter reaches the Brake Release Frequency until it out- b121...

  • Page 296: Simple Position Control

    6 Vector Control and Applied Functions Simple Position Control The 3G3MX2-EV2 Series Inverter can perform simple position control with the pulse train input function included as standard. This control mode enables positioning to a maximum of eight target positions based on the feedback of the Phase A and B 90°phase difference pulse train from the encoder etc.

  • Page 297: Recommended Encoder For Simple Position Control And Its Wiring

    6 Vector Control and Applied Functions ⚫ Details of Pulse Train Input Type Selection (P004) The Pulse Train Input Type Selection (P004) setting causes the inverter to recognize the feedback rotation direction as shown below. RUN command Multi-function Pulse Train Input Type Recognition of feedback rotation Input 7 Selection (P004) setting...
  • Page 298 6 Vector Control and Applied Functions ⚫ Recommended product E6C3-CWZ5GH (Manufacturer: OMRON) Additional Information Crosstalk : A phenomenon by which signals are erroneously transmitted between different phases. Specifically, the rising/falling edge signal from phase A is superimposed on the signal from phase B and the rising/falling edge signal from phase B is superim- posed on the signal from phase A, respectively.
  • Page 299 6 Vector Control and Applied Functions Multi-function Compact Inverter 3G3MX2-EV2 User’s Manual (I666-E1) 6 - 31...
  • Page 300 6 Vector Control and Applied Functions Connect the single-phase pulse signal or single-phase pulse + direction signal as shown in the diagram below. • Connect the single-phase pulse signal to the pulse train input EA terminal. • Input the direction signal to the multi-function Input 7 terminal and set the Multi-function Input 7 Selection (C007) to 85 (EB: Rotation direction detection).
  • Page 301 6 Vector Control and Applied Functions Encoder Wiring Check When you finish wiring the encoder, follow the steps below to check the encoder wiring. (1) Turn ON the power supplies for both the inverter and the encoder. (2) Set the parameter data according to 6-7-1 Feedback Settings for Simple Position Control on page 6-28.

  • Page 302: Simple Position Control Operation And Settings

    6 Vector Control and Applied Functions ⚫ If problem occurs during wiring check If any problem occurs during the wiring check, refer to the following table to take corrective action. Problem Cause Check/Remedy The motor/encoder rotates in The motor/encoder wiring for for- Reverse the wiring for the phase-A and opposite directions during for- ward or reverse rotation is con-...
  • Page 303 6 Vector Control and Applied Functions (4) The inverter starts decelerating when the motor reaches the position short of the tar- get position by the sum of the amount of decelerating movement for the accelera- tion/deceleration set time and the Creep Speed Moving Amount (P014). (5) When the frequency set in the Creep Speed Setting (P015) is reached during deceler- ation, the motor moves at the creep speed.
  • Page 304 6 Vector Control and Applied Functions Frequency/ Speed Actual motor speed Output Time frequency Output frequency/ Actual speed Forward Rotation direction judge based on single-phase Reverse pulse (P004 = 00) Position error Forward Actual rotation direction Reverse Precautions for Correct Use •...
  • Page 305 6 Vector Control and Applied Functions Simple Position Control Settings The simple position control is a function only available for the 1st control. It does not work if you switch to the 2nd control. In addition, when the simple position control is set, the torque control is disabled. The terminal ATR (Torque reference input permission) is disabled.
  • Page 306 6 Vector Control and Applied Functions Parameter Function name Data Default data Unit Position range setting (reverse side) (P073) to position range setting (for- Multi-step Position Com- P060 pulse ward side) (P072) mand 0 (Displays upper 5 digits excluding “-”) (1 multiplication) 0 to 268435455 Position Limit Setting...
  • Page 307 6 Vector Control and Applied Functions ⚫ Encoder disconnection detection When the inverter outputs the frequency set in the Creep Speed Setting (P015) or higher, if the speed feedback value does not reach the Starting Frequency (b082) within the Encoder Disconnec- tion Detection Time (P077), the inverter detects the E80....

  • Page 308: Origin Search Function, Current Position Preset, Position Data Storage At Power Shutoff

    6 Vector Control and Applied Functions 6-7-4 Origin Search Function, Current Position Preset, Position Data Storage at Power Shutoff When the power supply is turned on, the inverter clears the current position data to zero before startup. Therefore, you need to establish the origin for position control before performing simple position con- trol.
  • Page 309 6 Vector Control and Applied Functions Operation of Origin Search Function The origin search function starts when the origin search start signal turns ON, and establishes the origin at the point when the origin search limit signal turns ON. The origin search function has two origin search modes as shown below.
  • Page 310 6 Vector Control and Applied Functions ⚫ Origin search mode 2 This mode provides a method to improve the processing time and accuracy of origin search by switching between two frequency settings in the origin search mode. In the Origin Search Mode 2 Frequency (P071), set a high frequency to move to the proximity of the origin in a short time.
  • Page 311 6 Vector Control and Applied Functions Origin Search Function Settings Configure the origin search function settings as shown below based on the required operation. • In the Origin Search Mode (P068), set the origin search mode to use. • In the Origin Search Direction Selection (P069), set the direction in which to start the origin search function according to your application.
  • Page 312 6 Vector Control and Applied Functions Parameter Default Function name Data Unit data Position Control Mode − P075 Limit Selection Pulse Train Input EA Feedback pulse (Enabled only when − P003 Selection 1st control is selected) Position Limit Setting (Reverse Side) (P073) to Position Limit Setting (Forward Side) P083 Preset Position Data...

  • Page 313: Restarting Positioning

    6 Vector Control and Applied Functions 6-7-5 Restarting Positioning If the motor moves out of the restarting positioning range after position control is executed by the simple position control function, the inverter automatically starts repositioning it again. To enable the restarting positioning function, set parameters as follows: •...
  • Page 314 6 Vector Control and Applied Functions • To provide an interval between each input to the Position command selection 1 to 3 terminals to pre- vent false recognition, set the wait time until the inverter recognizes input to these terminals in the Multi-step Speed/Position Determination Time (C169).

  • Page 315: Turntable Control

    6 Vector Control and Applied Functions ⚫ Operation Diagram for Multi-step Speed/Position Determination Time (C169) The inverter recognizes the input data when the time set in C169 elapsed since it detected the sta- tus transition of the last input signal. With determination time With zero determination (C169)
  • Page 316 6 Vector Control and Applied Functions Parameter Default Function name Data Unit data Single-phase pulse input Pulse Train Input − P004 Phase A and B 90°phase difference Type Selection pulse train *1. The digit shift display mode can be used. 4000 P075=00 If position command...

  • Page 317: Speed/Position Switching

    6 Vector Control and Applied Functions 6-7-8 Speed/Position Switching You can switch between simple position control and speed control (frequency operation). • Set the Multi-function Input 1 to 7 Selection (C001 to C007) to 73 (SPD (Speed/Position switching)). • When the SPD (Speed/Position switching) terminal is turned ON, control switches from simple posi- tion control to speed control (frequency operation).

  • Page 318: Interlock Function With Simple Position Control And Brake Control

    6 Vector Control and Applied Functions 6-7-9 Interlock Function with Simple Position Control and Brake Control The interlock function with simple position control and brake control is useful in applications where brake control is required, such as an elevator or equipment that must be kept in the stop position. Operation Sequence of Brake Control Function Set the Simple Position Control Selection (P012) to 02 (Simple position control enabled), and the Brake Control Function Selection (b120) to 01 (Enabled: DC Injection Braking enabled during stop) to auto-...
  • Page 319 6 Vector Control and Applied Functions (3) After outputting the brake release signal, the inverter waits for the brake confirma- tion signal (C001 to C007 = 44: BOK) to turn ON during the time set in the Brake Error Detection Time (b124). If the brake confirmation signal does not turn ON within the time set in b124, the inverter outputs the brake error signal (C021, C022, C026 = 20: BER) and detects the E36....
  • Page 320 6 Vector Control and Applied Functions Settings of Interlock Function with Simple Position Control and Brake Control This section describes the settings related to the interlock function with simple position control and brake control. For the simple position control settings, refer to 6-7-3 Simple Position Control Operation and Settings on page 6-34.
  • Page 321 6 Vector Control and Applied Functions Parameter Default Function name Data Unit data 0.00 to 5.00 Set the mechanical delay time from when the Acceleration Wait Time b122 brake confirmation signal (or brake release 0.00 on Brake Control signal) turns ON until the brake is activated actually.

  • Page 322: Pm Motor Mode

    6 Vector Control and Applied Functions PM Motor Mode The 3GM3MX2-EV2 Series Inverter uses the PM motor mode to enable the inverter to control of a syn- chronous motor (PM motor), which is more efficient than an induction motor (IM motor). This section describes the PM motor mode.
  • Page 323 6 Vector Control and Applied Functions Precautions for Correct Use • Check the maximum allowable current (limiting current beyond which demagnetization occurs) for your PM motor. The inverter could output approximately 300% of the rated output current of the inverter. Select a PM motor as follows to prevent demagnetization.

  • Page 324: Functional Limitations In Pm Motor Mode

    6 Vector Control and Applied Functions 6-8-2 Functional Limitations in PM Motor Mode In the PM motor mode, induction motor-related functions and some other functions cannot be used. Parameters for these unavailable functions are not displayed in the PM mode. In addition, for some parameters, the default data are changed for use with the PM motor.
  • Page 325 6 Vector Control and Applied Functions Unavailable Selection Functions The following parameter selection functions are not available and therefore not displayed on the Digital Operator. Parameter No. Function name Unavailable selection functions Power Interruption/Undervoltage Frequency pull-in restart b001 Restart Selection Overvoltage/Overcurrent Restart Frequency pull-in restart b008...

  • Page 326: Switching To Pm Motor Mode

    6 Vector Control and Applied Functions Parameters with Changed Default Data Switching from the induction motor heavy load mode (default) to the PM motor mode changes the default data for the following parameter. Default data Parameter No. Function name Initial setting PM motor mode 01: Enabled (Dependent 00: Disabled...

  • Page 327: Offline Auto-Tuning For Pm Motor Parameters

    6 Vector Control and Applied Functions 6-8-4 Offline Auto-tuning for PM Motor Parameters Offline auto-tuning for PM motor parameters consists of the following four steps: • Presetting of parameters • Auto-tuning • Operations after auto-tuning • Operations in case of error Presetting of parameters (1) Set the PM Motor Capacity (H103) and the PM Motor Pole Number (H104) according to your PM motor.
  • Page 328 6 Vector Control and Applied Functions Parameter Function name Data Default data Unit Maximum 0.1/0.2/0.4/0.55/0.75/1.1/1.5/2.2/3.0/3.7/4.0/ applicable H103 PM Motor Capacity 5.5/7.5/11.0/15.0/18.5 motor capacity PM Motor Pole 2/4/6/8 Dependent H104 pole Number 10 to 48: Do not set. on capacity A003 1st Base Frequency 30.0 to 1st Maximum Frequency (A004) 60.0...
  • Page 329 6 Vector Control and Applied Functions Auto-tuning result is displayed. The auto-tuning result will be displayed as follows. Error Normal If auto-tuning is aborted due to an error, retry it. To clear the display, press the STOP/RESET key. Precautions for Correct Use •...

  • Page 330: Pm Motor Parameter Settings

    6 Vector Control and Applied Functions Operations in case of error If auto-tuning is aborted due to an error, review the preset parameters according to “1. Presetting of parameters” and check that the rated torque of the motor is at least 50% of the rated output cur- rent of the inverter.
  • Page 331 6 Vector Control and Applied Functions ⚫ PM Motor Parameter R (H106)  Set the wiring resistance (in ) on the primary side of the motor for one phase in Y-connection. Alternatively, set 50% of the measured phase-to-phase resistance of the motor. ⚫...

  • Page 332: Adjustment Of Pm Motor Mode Settings

    6 Vector Control and Applied Functions Parameter Default Function name Data Unit data Dependent  H106 PM Motor Parameter R 0.001 to 65.535 on capacity Dependent H107 PM Motor Parameter Ld 0.01 to 655.35 on capacity Dependent H108 PM Motor Parameter Lq 0.01 to 655.35 on capacity Dependent...
  • Page 333 6 Vector Control and Applied Functions Parameter Default Function name Data Unit data Disabled − H123 PM Motor Starting Method Selection Initial pole position estima- tion enabled PM Motor Initial Pole Position Esti- H131 0 to 255 time mation 0V Waiting Times PM Motor Initial Pole Position Esti- H132 0 to 255...
  • Page 334 6 Vector Control and Applied Functions Adjust- Operation status Phenomenon Adjustment method ment item If the motor rotation is unstable during startup, increase the motor starting time. Rotation is unsta- H117 However, setting this parameter to an excessively large ble. value may cause an overload.
  • Page 335 6 Vector Control and Applied Functions • If the accuracy of the estimated position remains low and the motor still rotates during startup even after you increase the PM Motor Initial Pole Position Estimation 0V Waiting Times (H131)/PM Motor Initial Pole Position Estimation Detection Waiting Times (H132), increase the PM Initial Pole Position Estimation Voltage Gain (H134) value to raise the voltage level of the detection signal.

  • Page 337: Other Functions

    Other Functions This section describes the details of functions not described in Section 5 or Section 6. 7-1 Monitor Mode ..................... 7-4 7-1-1 Output Frequency Monitor [d001] ................ 7-4 7-1-2 Output Current Monitor [d002] ................7-4 7-1-3 RUN Direction Monitor [d003] ................7-5 7-1-4 PID Feedback Value Monitor [d004] ..............
  • Page 338 7 Other Functions 7-1-33 Electronic Thermal Load Rate Monitor [d104] ........... 7-16 7-1-34 Analog Voltage Input O Monitor [d130] ..............7-16 7-1-35 Analog Current Input OI Monitor [d131] ............7-16 7-1-36 Pulse Train Input EA Monitor [d133] ..............7-17 7-1-37 PID Deviation [d153]..................7-17 7-1-38 PID Output Monitor [d155] .................7-17 7-2 Multi-function Input/Output Functions ............
  • Page 339 7 Other Functions 7-7-1 Frequency Pull-in Restart .................. 7-62 7-7-2 Restart during Power Interruption, Undervoltage/Overvoltage, Overcurrent . 7-64 7-7-3 Power Recovery Restart Prevention Function (USP) ........7-68 7-7-4 Deceleration Stop on Power Interruption Function ..........7-69 7-8 Functions Related to Protection, Warning, and Various Output Signals 7-73 7-8-1 Free-electronic Thermal Function ..............

  • Page 340: Monitor Mode

    7 Other Functions Monitor Mode This section describes the output frequency, fault monitor during trip, and other monitor functions of the inverter. 7-1-1 Output Frequency Monitor [d001] Use this function to display the output frequency of the inverter. The value is 0.00 when the inverter is stopped.

  • Page 341: Run Direction Monitor [D003]

    7 Other Functions 7-1-3 RUN Direction Monitor [d003] Use this function to display the RUN direction of the inverter. The RUN LED is lit during inverter operation (forward/reverse RUN). Parameter Default Function name Data Unit data F : Forward − −...

  • Page 342: Multi-Function Output Monitor [D006]

    7 Other Functions • When the EDM function selector switch is ON, 3 and 4 display the input status of GS1 and GS2, respectively. Although the functions set for Multi-function Input 3 Selection (C003) and Multi-function Input 4 Selection (C004) will work, the terminals 3 and 4 cannot be monitored. 7-1-6 Multi-function Output Monitor [d006] Use this function to display the output status of each multi-function output terminal, based on whether...

  • Page 343: Real Frequency Monitor [D008]

    7 Other Functions Additional Information • When the 1st/2nd Frequency Reference Selection (A001/A201) is set to 02 (Digital Operator: F001), if the d001/d007 Data Setting Selection (b163) is set to 01 (Enabled), you can change the Output Frequency Monitor (After Conversion) (d007) by the Jog dial only during operation.

  • Page 344: Torque Bias Monitor [D010]

    7 Other Functions 7-1-10 Torque Bias Monitor [d010] Use this function to display the current torque bias value under sensorless vector control. The torque bias monitor function estimates the torque value equivalent to the rated current of the inverter as 100%. To convert it to the rated motor torque ratio, use the following formula: Rated motor torque ratio = Monitor value ...

  • Page 345: Input Power Monitor [D014]

    7 Other Functions 7-1-13 Input Power Monitor [d014] Use this function to display the input power (instantaneous value) of the inverter. Parameter Default Function name Data Unit data − d014 Input Power Monitor 0.0 to 100.0 7-1-14 Integrated Power Monitor [d015] Use this function to display the integrated power of the inverter.

  • Page 346: Total Run Time Monitor [D016]

    7 Other Functions 7-1-15 Total RUN Time Monitor [d016] Use this function to display the total RUN time of the inverter. This parameter value will be stored to the inverter’s EEPROM when the power supply is shut off. Parameter Default Function name Data Unit...

  • Page 347: Life Assessment Monitor [D022]

    7 Other Functions 7-1-18 Life Assessment Monitor [d022] Use this function to display the life assessment status based on whether the corresponding 7-segment LED is lit or not lit. This function is intended for the following two items. For details on the life assessment, refer to 7-8-14 Cooling Fan Life Warning Signal (WAF) on page 7-87 or 7-8-12 Capacitor Life Warning Signal (WAC) on page 7-86.

  • Page 348: User Monitor 0 To 2 (Driveprogramming) [D025 To D027]

    7 Other Functions 7-1-21 User Monitor 0 to 2 (DriveProgramming) [d025 to d027] These monitor functions correspond to the DriveProgramming function variables UMon(0) to UMon(2). Use them to display any data in your program. For details on the DriveProgramming functions, refer to the “MX2/RX-series Drive Programming User’s Manual (Cat.

  • Page 349: Dual User Monitor [D050]

    7 Other Functions 7-1-24 Dual User Monitor [d050] Use this function to display two set monitor items by switching between them with the Jog dial. In b160 and b161, set the parameter numbers whose data you want to monitor. (Example) To monitor the d001 data, set b160 or b161 to 001. Parameter Default Function name...

  • Page 350: Frequency Reference Source Monitor [D062]

    7 Other Functions 7-1-26 Frequency Reference Source Monitor [d062] Set the frequency reference in the 1st/2nd Frequency Reference Selection (A001/A201). Alternatively, you can switch the frequency reference via multi-function input or from a communications unit. The Frequency Reference Source Monitor displays the frequency reference source enabled for the inverter.

  • Page 351: Fault Monitor 1 To 6 [D081 To 086]

    7 Other Functions 7-1-29 Fault Monitor 1 to 6 [d081 to 086] Use these functions to display the fault history of the last six faults. This count value will be stored to the inverter’s EEPROM when the power supply is turned OFF. The latest fault history is displayed in the Fault Monitor 1 (d081).

  • Page 352: Regenerative Braking Load Rate Monitor [D103]

    7 Other Functions 7-1-32 Regenerative Braking Load Rate Monitor [d103] Use this function to display the regenerative braking load rate. If this monitor value exceeds the value set in the Usage Rate of Regenerative Braking (b090), the inverter will trip with the alarm code E06 (Braking resistor overload protection).

  • Page 353: Pulse Train Input Ea Monitor [D133]

    7 Other Functions 7-1-36 Pulse Train Input EA Monitor [d133] Use this function to display the pulse train command or feedback value that is input to the pulse train input terminal EA in units of percentage as 100% of the 1st/2nd Maximum Frequency (A004/A204). This function is enabled independently of the Pulse Train Input EA Selection (P003) setting.

  • Page 354: Multi-Function Input Selection

    7 Other Functions Multi-function Input/Output Functions This section describes the I/O signal settings for this inverter. 7-2-1 Multi-function Input Selection You can use the function set by allocating the Multi-function Input 1 to 7 Selection (C001 to C007) to the functions listed below.
  • Page 355 7 Other Functions Parameter Reference Data Description Reference item page PID: PID disabled PID Function P. 7-44 PIDC: PID integral reset Remote operation accelerated DWN: Remote operation decelerated Remote Operation Function P. 7-40 UDC: Remote operation data clear OPE: Forced operator function Forced Operator Function P.

  • Page 356: Multi-Function Output Selection

    7 Other Functions 7-2-2 Multi-function Output Selection Use this function to allocate the functions listed below by setting the Multi-function Output 11/12 Selec- tion (C021/C022), or Multi-function Relay Output (AL1, AL2) Function Selection (C026). The multi-func- tion output 11 and 12 terminals are for open-collector output and the multi-function relay output (AL1, AL2) terminals are for relay output.
  • Page 357 7 Other Functions Reference Data Description Reference item page MO1: General-purpose output 1 − MO2: General-purpose output 2 DriveProgramming Function MO3: General-purpose output 3 IRDY: Operation ready Operation Ready P. 5-58 FWR: Forward run signal Forward run signal P. 5-58 RVR: Reverse run signal Reverse run signal...

  • Page 358: Analog I/O Settings

    7 Other Functions Analog I/O Settings This section describes the analog I/O signal settings for this inverter. 7-3-1 Analog Input (O, OI) This inverter has two types of external analog input terminals. Frequency reference (Analog voltage input) between terminals O and L : 0 to 10 V This terminal also treats input via the variable resistor (volume) as voltage input to the inverter.
  • Page 359 7 Other Functions Parameter Default Setting item Function name Data Unit data Terminal O 10 V = 200% Torque Reference − P033 Input Selection Terminal OI Torque control 20 mA = 200% Multi-function Input 1 C001 to − − (Torque reference input C007 to 7 Selection permission)

  • Page 360: Analog Input Filter

    7 Other Functions 7-3-2 Analog Input Filter This function is effective for removing noise in the analog input circuit. Use it to set an input filter for voltage or current input when using an external analog signal to input the frequency reference.

  • Page 361: Analog Input Adjustment

    7 Other Functions 7-3-4 Analog Input Adjustment You can change the analog input gain. Use this function to fine-tune the analog input signal. For how to set the scale conversion, for example, from 0-to-10 V to 0-to-5 V, refer to 7-3-5 Analog Input Start/End Function Settings on page 7-25.
  • Page 362 7 Other Functions Parameter Default Function name Data Unit data 0.00 to 590.00 A011/A101/ O/OI/VR Start Frequency Set the frequency at which to start ana- 0.00 A161 log input. 0.00 to 590.00 A012/A102/ O/OI/VR End Frequency Set the frequency at which to end ana- 0.00 A162 log input.

  • Page 363: Terminal Eo (Pulse/Pwm Output)

    7 Other Functions (Example 2) A015/A165 = 01 (0 Hz) 7-3-6 Terminal EO (Pulse/PWM Output) The terminal EO provides 10-VDC pulse output or PWM output. The terminal EO on the control circuit terminal block enables the monitoring of the output frequency and the output current.
  • Page 364 7 Other Functions *1. 07 (LAD frequency) represents the frequency commanded by the inverter and is equivalent of the Output Fre- quency Monitor (d001) value. 00 (Output frequency) represents a frequency value that takes into account the aspects of vector control compensation (such as sensorless vector control) and even stabilization control. When set to 00 (Output frequency), the parameter may produce an output that appears to be unstable at low speeds, for example, when decelerating due to the overload limit function.

  • Page 365: Terminal Am (Analog Output)

    7 Other Functions 7-3-7 Terminal AM (Analog Output) The terminal AM provides an analog output of 0 to 10 VDC. The digital terminal AM on the control circuit terminal block enables the monitoring of the output fre- quency and the output current. The analog output may not stabilize immediately after the power is turned on or off.
  • Page 366 7 Other Functions AM Gain/Bias Setting Adjust the gain and bias settings of the inverter’s AM output based on the meter connected to the termi- nal AM. The bias setting is once disabled while the reset input is input, and 0 V is output. Parameter Default Function name...

  • Page 367: Inverter Control Settings

    7 Other Functions Inverter Control Settings This section describes the carrier frequency function and the 1st/2nd control switching function, which are related to the inverter control. 7-4-1 Carrier Frequency Use this function to change the carrier frequency output from the inverter in a PWM waveform. Set a higher carrier frequency value to reduce the metallic noise generated by the motor.

  • Page 368: Automatic Carrier Reduction

    7 Other Functions 7-4-2 Automatic Carrier Reduction Use this function to reduce the carrier frequency automatically as the output current and the cooling fin temperature increase. To enable this function, set the Automatic Carrier Reduction (b089) to 01 or 02. Parameter Default Function name...

  • Page 369: 2Nd Control Function (Set)

    7 Other Functions 7-4-3 2nd Control Function (SET) Use this function to control two induction motors with different motor parameters by switching. Even with a single motor, you can use the 2nd control to configure the control and settings that best fit your application.
  • Page 370 7 Other Functions 1st control motor 2nd control motor Setting item H022 H222 Motor Parameter L H023 H223 Motor Parameter Io H024 H224 Motor Parameter J H030 H230 Motor Parameter R1 (Auto-tuning Data) H031 H231 Motor Parameter R2 (Auto-tuning Data) H032 H232 Motor Parameter L (Auto-tuning Data)

  • Page 371: Other Operation Functions

    7 Other Functions Other Operation Functions This section describes the parameters associated with other operation functions. 7-5-1 Starting Frequency Set the frequency at which the inverter starts its output when the RUN signal turns ON. Mainly, use this function to adjust the starting torque. If you set a high frequency in Starting Frequency (b082), the inverter starts with the full voltage and also the starting current increases.

  • Page 372: Reduced Voltage Startup Selection

    7 Other Functions 7-5-2 Reduced Voltage Startup Selection Use this function to increase the voltage slowly during motor startup. To prevent the surge current or overcurrent trip during startup, increase the value set in the Reduced Voltage Startup Selection (b036). Although setting a small value causes the high starting torque, the inverter operates as with the full voltage starting.

  • Page 373: Acceleration/Deceleration Stop Function

    7 Other Functions 7-5-4 Acceleration/Deceleration Stop Function This function causes the inverter stop accelerating/decelerating temporarily and start running at a con- stant speed at the frequency output at that time. If the moment of inertia of a load machine is large, you can use it, for example, to have the motor wait until the amount of motor slip during acceleration/deceleration becomes small.

  • Page 374: Run Direction Limit Selection

    7 Other Functions 7-5-5 RUN Direction Limit Selection Use this function to limit the RUN direction of the motor. It can be activated either via the control circuit terminal block or the Digital Operator. When the inverter receives a RUN command input with the RUN direction limit function enabled from the control circuit terminal block, is displayed on the Digital Operator.

  • Page 375: Frequency Calculation Function

    7 Other Functions 7-5-7 Frequency Calculation Function The frequency calculation function enables the use of calculation results from two frequency reference channels as a frequency reference or PID feedback value. To use the calculation result as a frequency reference, set the 1st/2nd Frequency Reference Selection (A001/A201) to 10 (Operation function output).

  • Page 376: Remote Operation Function (Up/Dwn)

    7 Other Functions 7-5-9 Remote Operation Function (UP/DWN) Use this function to change the inverter output frequency via the multi-function input terminals UP and DWN. Set the Multi-function Input 1 to 7 Selection (C001 to C007) to 27 (UP) and 28 (DWN). When the UP/DOWN terminal is ON, the inverter operates according to the acceleration/deceleration time settings (F002/F202, F003/F203, etc.) In addition, setting C101 to 01 (Store frequency data) enables the inverter to store the frequency refer-...

  • Page 377: Output Voltage Gain

    7 Other Functions 7-5-10 Output Voltage Gain Use this function to decrease the inverter output voltage as a percentage of the voltage set in the 1st/2nd Motor Rated Voltage Selection (A082/A282). You can avoid motor hunting by decreasing the output voltage gain. Be sure to change the gain value moderately during operation (as a guide, 10% max.) Otherwise, an overcurrent trip may occur due to sudden output voltage changes.

  • Page 378: Avr (Automatic Voltage Regulator) Function

    7 Other Functions 7-5-11 AVR (Automatic Voltage Regulator) Function Use this function to have the inverter automatically compensate for the output voltage to the motor even if the incoming voltage fluctuates. It is useful as a preventive measure against low output torque to the motor or overexcitation. Note, however, that the inverter cannot output voltage exceeding the incoming voltage to the inverter.
  • Page 379 7 Other Functions ⚫ Adjusting overexcitation control during deceleration (1) First, set A083 to 0.3 and A084 to 130 to shorten the deceleration time. (2) If you need to set a higher target value for the deceleration time, or to detect an over- voltage with the above settings, first set A083 to 0 and increase the value set in A084 gradually from 130 while checking the deceleration time at each gain level.

  • Page 380: Pid Function

    7 Other Functions 7-5-12 PID Function Use this function to control the flow rate, air volume, pressure, and other processes. To use this func- tion, set A071 to 01 (Enabled) or 02 (Enabled: Reverse output enabled). The PID function can be disabled during PID operation via external signal input. To use this function, set one of the Multi-function Input 1 to 7 Selection (C001 to C007) to 23 (PID: PID disabled).
  • Page 381 7 Other Functions Parameter Default Function name Data Unit data 0.0 to 25.5 PID Sleep Operation A157 Set the delay time until the sleep operation Delay Time starts. 0.0 to 100.0 PID Deviation Excessive C044 Level OD signal output judgment level 0.0 to 100.0 Feedback Comparison C052...
  • Page 382 7 Other Functions PID Operation (1) P Operation In this operation, the control volume is proportional to the deviation (difference between the target value and the current value). (2) I Operation In this operation, the control volume is proportional to the time integral value of the deviation. The P operation is less effective as the current value approaches the target value due to smaller devia- tion, taking a long time to reach the target value.
  • Page 383 7 Other Functions F001: 0.01% A011, A012, A020/A220, A021 to A035, A101, A102, A145: 0.1% Multi-function Compact Inverter 3G3MX2-EV2 User’s Manual (I666-E1) 7 - 47...
  • Page 384 7 Other Functions Feedback Selection Select the terminals used to input the feedback signal in PID Feedback Selection (A076). When the 1st Frequency Reference Selection (A001) is set to 01 (Control circuit terminal block), the analog input setting other than that selected in A076 is used as the target frequency reference. In this case, the setting in A005 and the function allocated to the terminal AT (Analog input switching) are dis- abled.
  • Page 385 7 Other Functions PID Variable Range This function limits the PID output to within the variable range defined based on the target value. To use this function, set the PID Variable Range Limit (A078) as a percentage of the maximum fre- quency.
  • Page 386 7 Other Functions Feedback Comparison Signal This inverter can be configured to output a control signal from the multi-function output terminal if the PID feedback value falls out of the setting range. Allocate the Multi-function Output 11/12 Selection (C021/C022) or the Multi-function Relay Output (AL1, AL2) Function Selection (C026) to 31 (FBV).

  • Page 387: Automatic Energy-Saving Operation Function

    7 Other Functions 7-5-13 Automatic Energy-saving Operation Function This function automatically adjusts the inverter output power during constant speed operation to the minimum level. It is suitable for fan, pump, or other load that reduced torque characteristics. To perform energy-saving operation using this function, set the Operation Mode Selection (A085) to 01 (Energy-saving operation).
  • Page 388 7 Other Functions ⚫ Connection diagram for commercial switching operation THRY MCCB ⚫ Timing diagram for commercial switching Interlock time for MC2 and Interlock time for MC2 and MC3 MC3 (0.5 to 1 s) (0.5 to 1 s) Inverter power supply OFF Inverter power supply ON Inverter power supply ON Switching between commercial power...

  • Page 389: Stabilization Parameter

    7 Other Functions 7-5-15 Stabilization Parameter Use this function to stabilize the motor in hunting. If the motor is hunting, check first whether the 1st/2nd Motor Capacity (H003/H203) and 1st/2nd Motor Pole Number (H004/H204) settings match your motor and, if they do not, match them. If the motor’s pri- mary resistance is smaller than that of the standard motor, increase the value set in H006/H206 gradu- ally.

  • Page 390: Lad Cancel Function

    7 Other Functions Parameter Default Function name Data Unit data Pulse Train Frequency 0.01 to 20.00 P059 1.00 Lower Limit 1st Frequency Reference Pulse train frequency − A001 Selection − A076 PID Feedback Selection Pulse train frequency Calculation Frequency Pulse train frequency −...

  • Page 391: Digital Operator And Operation Functions

    7 Other Functions Digital Operator and Operation Functions This section describes the Digital Operator and other operation functions. 7-6-1 Soft Lock Function (SFT) Use this function to protect various parameter settings against changes. This helps prevent data rewrit- ing due to erroneous operation. Use the table below to select which type of soft lock you want to apply.

  • Page 392: Forced Operator Function (Ope)

    7 Other Functions 7-6-2 Forced Operator Function (OPE) When the 1st/2nd Frequency Reference Selection (A001/A201) or 1st/2nd RUN Command Selection (A002/A202) is not set to Digital Operator, use this function to frocibly enable the operation via the Dig- ital Operator based on the ON/OFF status of the multi-function input terminal to which this function is allocated.

  • Page 393: Operation Selection At External Operator Disconnection

    7 Other Functions 7-6-4 Operation Selection at External Operator Disconnection If the Inverter detects a disconnection (interruption of communications for 5 seconds or longer) with the optional Digital Operator (Model: 3G3AX-OP01), the operation of the Inverter depends on the Opera- tion Selection at External Operator Disconnection (b165) setting.

  • Page 394: Inverter Display On Operator Connection

    Precautions for Correct Use Be sure not to forget the set password. Note that there is no way to reset the password lock once you forget the set password and even OMRON factories and service stations have no means to check your password.
  • Page 395 7 Other Functions Overview of Password Function (Example) Password A Password not set (Default) b190 = 0000 (Input enabled) b191 = 0000 (Input disabled) Change to b037 allowed Set b190 to “0000”. Set b190 to “1234”. (Password clear) (Password set) Set b191 to “1234”.
  • Page 396 7 Other Functions ⚫ Password authentication (Performed by user who knows password to change b037/b031 data) (1) In the Password A/B for Authentication (b191/b193), set any password. (2) The inverter displays “Good” if the password is correct, allowing you to change the b037 value.

  • Page 397: User Parameter Setting Function

    7 Other Functions 7-6-10 User Parameter Setting Function The parameter group U consists of user parameters. Up to 32 user parameters can be registered as desired. When registration is done, set the Display Selection (b037) to 02 (User setting). After that, you will see only the functions registered with U001 to U032 in addition to d001, F001, b037, b190 and b191.

  • Page 398: Jog Dial Sensitivity

    7 Other Functions 7-6-12 Jog Dial Sensitivity Change the Jog Sensitivity Setting (C117) and Jog Carry Sensitivity Setting (C118) parameter values to adjust how much the value changes when the Jog dial is rotated. Parameter Default Function name Data Unit data 1 to 24 Set the Jog dial count required...

  • Page 399: Restart Functions

    7 Other Functions Restart Functions This section describes the restart-related functions and their operations. 7-7-1 Frequency Pull-in Restart The 3G3MX2-EV2 Series Inverter supports two restart methods, which can be selected using the follow- ing functions. Related functions of frequency pull-in Description restart Power Interruption/Undervolt-...
  • Page 400 7 Other Functions The main parameters related to frequency pull-in restart are as follows. For details on free-run stop, refer to 5-7-2 Free-run Stop Selection on page 5-38. Parameter Default Function name Data Unit data 0.3 to 100.0 b003 Restart Standby Time Set the wait time until the inverter restarts.

  • Page 401: Restart During Power Interruption, Undervoltage/Overvoltage, Overcurrent

    7 Other Functions 7-7-2 Restart during Power Interruption, Undervoltage/Overvoltage, Overcurrent Select whether to have the inverter trip or restart if restart during power interruption, undervoltage/over- voltage, overcurrent occurs. Restart during Power Interruption, Undervoltage/Overvoltage, Overcurrent Power interruption/Undervoltage restart: When the Power Interruption/Undervoltage Restart Selection (b001) is set to one of the restart options, the inverter repeats restart operation for the number of times set in the Power Interruption Restart Count (b005) in the event of a momentary power interruption and then trips.
  • Page 402 7 Other Functions Parameter Default Function name Data Description Unit data Executing the function causes the Inverter to restart from 0 Hz if the Frequency Pull-in Lower 0.00 to frequency at shutoff is the set value b007 0.00 590.00 Limit Frequency of b007 or less.
  • Page 403 7 Other Functions Below are the timing charts for the restart. t0: Momentary power interruption time t1: Allowable Power Interruption Time (b002) t2: Restart Standby Time (b003) (Example 1) t0 < t1 (b001=02 or 04) Power supply Inverter output Free-run Motor rotation Frequency pull-in restart speed...
  • Page 404 7 Other Functions Alarm Signal Output in Case of Power Interruption/Undervoltage during Stop In the Power Interruption/Undervoltage Trip Selection During Stop (b004), select whether or not to have the inverter output an alarm signal if a power interruption or undervoltage occurs. The inverter will output an alarm signal as long as its control power supply remains ON.

  • Page 405: Power Recovery Restart Prevention Function (Usp)

    7 Other Functions 7-7-3 Power Recovery Restart Prevention Function (USP) Use this function to have the inverter trip with the alarm code E13 displayed, if the power supply is turned on with the RUN command ON in the inverter. To reset a trip, perform the reset operation, or turn OFF the RUN command. (Example 1) If a trip is reset with the RUN command input ON, the inverter starts running immediately after the trip is reset.

  • Page 406: Deceleration Stop On Power Interruption Function

    7 Other Functions 7-7-4 Deceleration Stop on Power Interruption Function Use this function to have the inverter decelerate and stop after the power supply is shut off during oper- ation, while preventing it from exceeding the overvoltage level. You can select one of the three deceleration stop methods provided in the Deceleration Stop Selection on Power Interruption (b050).
  • Page 407 7 Other Functions *3. When the Deceleration Stop Selection on Power Interruption (b050) is set to 01 (Enabled: Deceleration stop), be sure to set the Deceleration Hold Level on Power Interruption (b052) to a value higher than the incoming voltage multiplied by the square root of 2. Set b052 to 380 VDC or higher for 240-VAC incoming voltage and to 750 VDC or higher for 480 VAC-incoming voltage, respectively.
  • Page 408 7 Other Functions undervoltage trip. If an undervoltage trip occurs, increase the b054 value or decrease the b053 value. Main circuit P-N voltage b052 b051 Undervoltage level Time [s] Output frequency [Hz] b054 b053 Time [s] Deceleration Stop on Power Interruption Function: DC Voltage Kept Constant (b050 = 02: Without Recovery/b050 = 03: With Recovery) If a momentary power interruption occur during operation, or if the main circuit DC voltage drops, these settings will cause the inverter to decelerate with the DC voltage in the main circuit kept at the level set...
  • Page 409 7 Other Functions (Example 1) Main circuit P-N voltage Vpn [V] b052 Main circuit DC voltage at b051 DC voltage kept constant Time Output frequency [Hz] b050 = 02, 03 (Deceleration stop) Time Incoming voltage recovery Depending on the proportional gain/integral time setting, the function may cause the main circuit DC voltage level to be lower than the b052 value.

  • Page 410: Functions Related To Protection, Warning, And Various Output Signals

    7 Other Functions Functions Related to Protection, Warning, and Various Output Signals This section describes the protective functions such as warning signals. 7-8-1 Free-electronic Thermal Function To enable the free-electronic thermal function, set the 1st/2nd Electronic Thermal Characteristics Selection (b013/b213) to 02 (Free setting). The free-electronic thermal function allows you to set the reduction factor for electronic thermal characteristic according to your application.

  • Page 411: Motor Electronic Thermal Function

    7 Other Functions ⚫ Free-electronic thermal reduction factor Example. 3-phase 200-V, 1.5 kW (Heavy load rating 8 A) • When b012 = 8 [A], b015 = 1.5 [Hz], b016 = 4 [A] The basic reduction factor is:  0.9 at 1.5 Hz. The free-electronic thermal reduction factor is: b016/b012 = ...
  • Page 412 7 Other Functions • If 150% of overload capacity of your motor is large: Set a small value for 1 minute relative to the time during which 150% of the overload capacity of your motor is applied. • If 150% of overload capacity of your motor is small: Set a large value for 1 minute relative to the time during which 150% of the overload capacity of your motor is applied.
  • Page 413 7 Other Functions ⚫ b910=01: Enabled (Fixed subtraction rate) The electronic thermal function is separated for the motor and for the inverter. For the motor, the heat radiation is calculated with a fixed subtraction ratio. This subtraction ratio is fixed and applied to electronic thermal values from 100% to 0% for 10 min- utes.

  • Page 414: Electronic Thermal Warning

    7 Other Functions 7-8-3 Electronic Thermal Warning Use this function to output a warning signal before the motor electronic thermal function executes an overload protection. In C061, set the warning level. Set the Multi-function Output 11/12 Selection (C021/C022) or Multi-function Relay Output (AL1, AL2) Function Selection (C026) to 13 (THM).

  • Page 415: Overload Limit/Overload Warning

    7 Other Functions 7-8-4 Overload Limit/Overload Warning Overload Limit The inverter monitors the motor current during acceleration or constant speed operation and, if the set overload limit level is reached, decreases the output frequency automatically according to the overload limit parameter. This function is useful to prevent the occurrence of an overcurrent trip due to an excessive torque during acceleration or rapid load fluctuations during constant speed operation.
  • Page 416 7 Other Functions Parameter Function name Data Default data Unit 0.1 to 3000.0 1st Overload Limit Parame- Set the deceleration rate for the output ter/1st Overload Limit frequency when the overload limit func- b023/b026 Parameter 2 b223 tion is enabled. 2nd Overload Limit Parame- Set the deceleration time from the max- imum frequency to 0 Hz.
  • Page 417 7 Other Functions Overload Warning The overload warning function causes the inverter to output an overload warning if the load is too large, before it detects an overload trip. This is useful to prevent mechanical damage to transfer machines etc. due to overweighed loading, or stoppage of transfer lines due to an overload, through the use of the overload protection function of the inverter.

  • Page 418: Overcurrent Suppression Function

    7 Other Functions 7-8-5 Overcurrent Suppression Function This function suppresses the overcurrent caused by a steep current increase due to an impact load etc. It causes the inverter to stop accelerating when the output current reaches approximately 180% of the rated current. Default Parameter No.

  • Page 419: Thermistor Trip Function

    7 Other Functions 7-8-7 Thermistor Trip Function You can provide thermal protection for external equipment such as a motor by connecting a thermistor installed on it to the inverter and enabling this function. Connect a PTC thermistor to the inverter. If the resistance of the PTC thermistor becomes approxi- mately 3 k...

  • Page 420: Frequency Arrival Signal (Fa2 To Fa5)

    7 Other Functions Output frequency FW input (Forward) RUN output RUN LED 7-8-9 Frequency Arrival Signal (FA2 to FA5) The inverter outputs the frequency arrival signal when the output frequency reaches the set level. Allocate the Multi-function Output 11/12 Selection (C021/C022) or Multi-function Relay Output (AL1, AL2) Function Selection (C026) to 02 (FA2: Set frequency exceeded signal), 06 (FA3: Set frequency only signal), 24 (FA4: Set frequency exceeded signal 2) or 25 (FA5: Set frequency only signal 2).

  • Page 421: Run Time/Power On Time Over (Rnt/Ont)

    7 Other Functions Set Frequency Exceeded Signal (C021, C022, C026 = 02: FA2, 24: FA4) The inverter outputs the frequency arrival signal when the inverter reaches the frequency set in the Arrival Frequency During Acceleration 1/2 (C042/C045) or Arrival Frequency During Deceleration 1/2 (C043/C046) or higher.

  • Page 422: Logic Operation Output Signal (Log1 To Log3)

    7 Other Functions Power ON Time Over (C021, C022, C026 = 12: ONT) Allocate the Multi-function Output 11/12 Selection (C021/C022) or Multi-function Relay Output (AL1, AL2) Function Selection (C026) to 12 (ONT: Power ON time over). Set the RUN Time/Power ON Time Detection Level (b034). 7-8-11 Logic Operation Output Signal (LOG1 to LOG3) Use these signals to have the inverter internally perform logical operations with output signals.

  • Page 423: Capacitor Life Warning Signal (Wac)

    7 Other Functions Parameter Default Function name Data Unit data C142 Logic Output Signal 1 to 3 − C145 00 to 63: Same as options for C021 Selection 1 C148 (Except 33 (LOG1) to 35 (LOG3), 63 C143 Logic Output Signal 1 to 3 (OPO), and 255 (no)) −...

  • Page 424: Cooling Fan Life Warning Signal (Waf)

    7 Other Functions 3. When b092 is 01, the cooling fan operates during inverter operation. If the cooling fin temperature exceeds 60°C, the cooling fan starts operating even when inverter operation is stopped. If the cooling fin temperature falls below 50°C when inverter operation is stopped, the cooling fan stops after 3 minutes. 4.

  • Page 425: Starting Contact Signal (Fr)

    7 Other Functions 7-8-16 Starting Contact Signal (FR) The starting contact signal will be output while the inverter is ready to accept the RUN command. The output is enabled independently of the 1st/2nd RUN Command Selection (A002/A202) setting. The inverter will stop if the FW and RV signals are input simultaneously. Parameter Default Function name...

  • Page 426: Low Current Signal (Loc)

    7 Other Functions 7-8-18 Low Current Signal (LOC) This signal will be output when the output current falls to or below the Low Current Detection Level (C039). In the Low Current Signal Output Selection (C038), select whether to have the inverter output this sig- nal constantly during run or only during constant speed operation.

  • Page 427: Window Comparator (Wco/Wcoi) (Disconnection Detection Odc/Oidc)

    7 Other Functions 7-8-20 Window Comparator (WCO/WCFI) (Disconnection Detection ODc/FIDc) The window comparator signal will be output when the analog input O/OI value is between the upper and lower limit settings. It is useful for monitoring the analog input at a level to detect disconnection or other faults.

  • Page 428: Frequency Reference Selection Status Signal (Fref)

    7 Other Functions Additional Information To use this function for disconnection detection, set the disconnection detection level in the Window Comparator O/OI Upper Limit Level (b060/b063). (In this case, the inverter uses the bandwidth over the upper limit value in normal operation and, if the input falls below the upper limit value, the inverter detects a disconnection error.) 7-8-21 Frequency Reference Selection Status Signal (FREF) This signal will be output when the RUN command is input via the Digital Operator (A001=02), or when...

  • Page 429: 2Nd Control Selection Signal (Setm)

    7 Other Functions 7-8-23 2nd Control Selection Signal (SETM) This signal will be output when the SETM (Motor 2 selection) function is allocated to one of the multi-function output terminals and the terminal SET is ON. Parameter Default Function name Data Unit data...

  • Page 430: Dc Injection Braking Function

    7 Other Functions DC Injection Braking Function This section describes the DC injection braking function. 7-9-1 DC Injection Braking (DB) Use this function to have the motor apply DC injection braking according to the load. For an induction motor, this function allows braking with no feedback of regenerated energy to the inverter.
  • Page 431 7 Other Functions Parameter Default Function name Data Unit data 0.0 to 60.0 Set the time during which DC injection Startup DC Injection Braking A058 braking is applied when the RUN com- Time mand is ON, when the DC injection braking function is enabled.
  • Page 432 7 Other Functions • DC injection braking works according to the ON/OFF status of the terminal DB, regardless of whether the DC Injection Braking Selection (A051) is set to 00 (Disabled) or 01 (Enabled). Note that the DC injection braking via the terminal DB has priority over the DC injection braking via the parameter set- ting 01 (Enabled).
  • Page 433 7 Other Functions (a) Edge operation (A056 = 00) (b) Level operation (A056 = 01) (Example 3-a) (Example 3-b) Note During free running and during DB operation, the output frequency is 0. Controlling DC Injection Braking via Parameter Settings (A051 = 01) Use this method to control DC injection braking according to the ON/OFF status of the RUN command.
  • Page 434 7 Other Functions (a) Edge operation (A056 = 00) (b) Level operation (A056 = 01) Example 4-a. During startup Example 4-b. During startup Example 5-a. During stop (with A053 setting) Example 5-b. During stop (with A053 setting) Example 6-a. During stop (A053 = 0.0) Example 6-b.
  • Page 435 7 Other Functions Example 1-a Example 1-b The timing in which the inverter releases DC injection braking depends on the value set in the DC Injec- tion Braking Edge/Level Selection (A056). (a) Edge operation (A056 = 00) (b) Level operation (A056 = 01) FW input FW input A052...

  • Page 436: Safety Function

    7 Other Functions 7-10 Safety Function 7-10-1 Overview of Safety Function To ensure safety, the 3G3MX2-EV2 Series Inverter has the STO (Safe Torque Off) function. The STO function shuts off the power to the motor and stops the motor through the input signals from a safety controller.
  • Page 437 7 Other Functions Others • Do not modify the Inverter by any means. Any modification will void not only the compliance with the standard, but also the product warranty. Response Time The response time is defined as the time from the input of a request to activate the safety function until the activation of the safety function.
  • Page 438 7 Other Functions Response Time Function Value Remarks STO response time 20 ms Time from transition of the GS1 and GS2 signals to the STO status until shutoff of the power to the motor EDM response time 30 ms Time from transition of the GS1 and GS2 signals to the STO status until EDM signal Parameters Related to Safety Parameter...

  • Page 439: Safety Function Settings

    7 Other Functions 7-10-2 Safety Function Settings Two dedicated input terminals GS1 and GS2 are used for safety input. To enable the EDM output (safety monitor output), turn ON the EDM function selector switch. This auto- matically allocates the Multi-function Output 11 Selection (C021) to 62 (EDM). EDM Function Selector Switch ON (EDM) OFF(Normal)

  • Page 440: Wiring And Usage Of The Safety Function

    7 Other Functions 7-10-3 Wiring and Usage of the Safety Function STO Signal Inputs The Inverter has two inputs GS1 and GS2 for redundant input of the STO signals. When power is applied to both input terminals and current flows, the safety paths permit the Inverter to operate.

  • Page 441: Periodic Inspection

    7 Other Functions Wiring to Disable the STO Function To disable the STO function, connect a short-circuit wire as shown in the figure below. This is the fac- tory default wiring. External Devices All power supplies connected to the control terminals of the 3G3MX2-EV2 Series Inverter must be SELV or PELV compliant.

  • Page 442: Option/Applied Functions (Group P)

    7 Other Functions 7-11 Option/Applied Functions (Group P) This section describes the functions associated with the option unit connected to the connector for option unit, as well as the applied functions of the Inverter. 7-11-1 Operation Selection on Option Error Select whether to have the Inverter trip or continue operation with the error from the option unit ignored, if an error occurs due to the option unit connected to the connector for option unit.
  • Page 443 7 Other Functions Multi-function Compact Inverter 3G3MX2-EV2 User’s Manual (I666-E1) 7 - 107...

  • Page 445: Communications Functions

    Communications Functions This section describes the general-purpose serial communications functions (Modbus communication). 8-1 Communications Specifications ............... 8-3 8-2 RS485 Terminal Arrangement and Connection ..........8-4 8-3 Modbus Communication Parameters............... 8-5 8-4 Modbus Communication Protocol..............8-7 8-4-1 Message Configuration ..................8-7 8-4-2 Required Communications Time .................
  • Page 446 8 Communications Functions 8-9 Modbus Communication Data Lists ............... 8-37 8-9-1 Coil Number List ....................8-37 8-9-2 Monitor Function/Enter Command Register List ..........8-41 8-9-3 Group F Register List ..................8-50 8-9-4 Group A/b/C/H/P Register List ................8-51 8-9-5 2nd Control Register Number List ..............8-96 Multi-function Compact Inverter 3G3MX2-EV2 User’s Manual (I666-E1) 8 - 2...

  • Page 447: Communications Specifications

    8 Communications Functions Communications Specifications The 3G3MX2-EV2 Series Inverter has the RS485-compliant Modbus communication function as stan- dard, which enables communications with external network controllers. The basic specifications of this communications function are provided in the table below. Note that the built-in Modbus communication function is disabled when a communications option unit is mounted on the inverter.

  • Page 448: Rs485 Terminal Arrangement And Connection

    8 Communications Functions RS485 Terminal Arrangement and Connection The communications terminals are arranged as follows. USB port is for computer use only. RS422 (RJ45 modular connector) port is for Digital Operator use only. Terminating resistor selector switch PLC P24 P24S EO AM CM2 12 (Factory default) RS485 terminal...

  • Page 449: Modbus Communication Parameters

    8 Communications Functions Modbus Communication Parameters Set the following parameters according to the communications specifications. Note that changes to the C071, C074, and C075 data are applied when the power supply is cycled. • To control the frequency reference or RUN command via Modbus communication, set the 1st/2nd Frequency Reference Selection (A001/A201) or 1st/2nd RUN Command Selection (A002/A202) to 03 (Modbus communication).
  • Page 450 8 Communications Functions Parameter Default Function name Data Unit data 0.00: Timeout disabled Communication Error Tim- C077 0.00 eout Time 0.01 to 99.99 C078 Communication Wait Time 0. to 1000. Multi-function Compact Inverter 3G3MX2-EV2 User’s Manual (I666-E1) 8 - 6...

  • Page 451: Modbus Communication Protocol

    8 Communications Functions Modbus Communication Protocol The inverter communicates with external controllers as follows. (1) Query (1) Query External controller Time Inverter Response (4) Communication Error (2) Wait time Timeout Time (C077) (Silent Interval + C078) (1) Frame (Query) that is sent from the external control device to the inverter (2) After receiving a query frame, the inverter waits the total time of the silent Interval and the Communication Wait Time (C078), before returning a response.
  • Page 452 8 Communications Functions Slave Address A slave address is a serial number from 1 to 247 set in advance for each inverter (slave). (Only the inverter that matches the slave address specified in the query will capture that query.) ⚫ Simultaneous broadcast to up to five groups Set the slave address to 0 to perform broadcasting (simultaneous broadcast).

  • Page 453: Required Communications Time

    8 Communications Functions Error Check In Modbus communication, CRC (Cyclic Redundancy Check) is used for error checking. The CRC code is 16-bit data generated for any data block with a data length in 8-bit unit. + + 1). For CRC code generation, the following generator polynomial is used: CRC-16 (X 8-4-2 Required Communications Time The time that the inverter takes to send a response after receiving a query is the sum of the silent inter-...

  • Page 454: No Response

    8 Communications Functions ⚫ Exception code Code Description 01 hex An unsupported function is specified. 02 hex The specified address does not exist. 03 hex The specified data is in an unacceptable format. 21 hex Writing to a holding register is specified, but the data is out of the range allowed for the inverter. The inverter does not allow this function because: •...

  • Page 455: Explanation Of Each Function Code

    8 Communications Functions Explanation of Each Function Code 8-5-1 Read Coil Status [01 hex] Reads the coil status (ON/OFF). Example. Reading Data from Multi-function Input Terminals 1 to 7 of Inverter with Slave Address 1 The status of each multi-function input terminal is as follows. Item Data Coil No.

  • Page 456: Read From Holding Register [03 Hex]

    8 Communications Functions The data received in a response shows the status for coils 0007 to 000D hex. Therefore, the received data “45 hex = 0100 0101b” can be read, with the status for coil 0007 hex as the LSB, as described in “Response”...

  • Page 457: Write To Coil [05 Hex]

    8 Communications Functions ⚫ Response Example Field name [hex] Slave address Function code Number of data bytes Register data 1 (MSB) 0003 hex → 03 dec → E03 (Factor: Overcurrent) Register data 1 (LSB) Register data 2 (MSB) 0004 hex → 4 dec (Inverter status: During accelera- Register data 2 (LSB) tion) Register data 3 (MSB)

  • Page 458: Write To Holding Register [06 Hex]

    8 Communications Functions ⚫ Response Example Field name [hex] Slave address Function code Coil address (MSB) Coil address (LSB) Written data (MSB) Written data (LSB) CRC-16 (MSB) CRC-16 (LSB) *1. For a broadcast, no response will be sent back. *2. Note that the coil address is 0000, which is 1 less than the coil number 0001: Coil address = Coil number - 1. If the Write to Coil function is not executed normally, refer to 8-5-9 Exception Response on page 8-20.

  • Page 459: Loop-Back Test [08 Hex]

    8 Communications Functions ⚫ Response Example Field name [hex] Slave address Function code Register address (MSB) Register address (LSB) Written data (MSB) Written data (LSB) CRC-16 (MSB) CRC-16 (LSB) *1. For a broadcast, no response will be sent back. *2. Note that the holding register start address for F001(LOW) is 0001 hex, which is 1 less than the register num- ber 0002 hex: Register address = Register number - 1.

  • Page 460: Write To Multiple Coils [0F Hex]

    8 Communications Functions ⚫ Response Example Field name [hex] Slave address Function code Test sub code (MSB) Test sub code (LSB) Data (MSB) Data (LSB) CRC-16 (MSB) CRC-16 (LSB) *1. Broadcasting cannot be performed. The test sub code supports the Echo Query Data command (00 hex, 00 hex) only. Other commands are not supported.
  • Page 461 8 Communications Functions ⚫ Response Example Field name [hex] Slave address Function code Coil start address (MSB) Coil start address (LSB) Number of coils (MSB) Number of coils (LSB) CRC-16 (MSB) CRC-16 (LSB) *1. During a broadcast, no response will be sent back. *2.

  • Page 462: Write To Multiple Holding Registers [10 Hex]

    8 Communications Functions 8-5-7 Write to Multiple Holding Registers [10 hex] Writes data to consecutive multiple holding registers. Example. Writing 10 Seconds to Inverter with Slave Address 1 as 1st Acceleration Time 1 (F002) Value Because the holding registers 1103 to 1104 hex for the 1st Acceleration Time 1 (F002) has a data reso- lution of 0.01 s, to set 10 seconds, set the written data to 1000 (0000 03E8 hex).

  • Page 463: Read/Write From/To Multiple Holding Registers [17H]

    8 Communications Functions 8-5-8 Read/Write from/to Multiple Holding Registers [17h] Reads data from and writes data to consecutive multiple holding registers in a continuous manner. Example. Writing 50.00 Hz to Output Frequency Setting/Monitor (F001) and Reading from Output Frequency Monitor (d001) Value from Inverter with Slave Address 1 Because the holding registers 0001 to 0002 hex for the Output Frequency Setting/Monitor (F001) have a data resolution of 0.01 s, to set 50.00 Hz, set the written data to 5000 (0000 1388 hex).

  • Page 464: Exception Response

    8 Communications Functions 8-5-9 Exception Response In a query, the master requests a response, except for broadcast or simultaneous broadcast by group. Although the inverter normally returns a response to the query, it returns an exception response if the query has an error. An exception response has the field configuration shown in the table below.

  • Page 465: Saving A Change To Holding Register (Enter Command)

    8 Communications Functions Saving a Change to Holding Register (Enter Command) The Write to Holding Register (06 hex) or Write to Consecutive Holding Registers (10 hex or 17 hex) function is used to enable new register data. However, the new data is not stored in the EEPROM of the inverter and is restored to the previous value when the inverter power supply is shut off.
  • Page 466 8 Communications Functions Example. Issuing Enter Command (Storing Set Value) for Inverter with Slave Address 8 ⚫ Query Example Field name [hex] Slave address Function code Register address (MSB) (Register address) = (Register number) − 1 Register address (LSB) Written data (MSB) Written data (LSB) CRC-16 (MSB) CRC-16 (LSB)

  • Page 467: Eeprom Write Mode

    8 Communications Functions 8-6-2 EEPROM Write Mode • To set the EEPROM write mode, use the Write to Holding Register (06 hex) command etc. to write 1 to the holding register for the EEPROM write mode (0902 hex). • In the EEPROM write mode, the data changed by the Write to Holding Register (06 hex) command is written to both the RAM (volatile memory for operation) and the EEPROM (non-volatile memory for storage).

  • Page 468: Modbus Mapping Function

    8 Communications Functions Modbus Mapping Function This Modbus mapping function can change up to 10 register addresses. For example, when designing replacement, you can match the inverter-side register addresses without changing the communications program. It is also possible to set the data type, scale, and endian (byte order) of communication data according to your application.

  • Page 469: Modbus Mapping Function Settings

    8 Communications Functions 8-7-2 Modbus Mapping Function Settings To use the Modbus mapping function, set the Modbus Mapping Function Selection (P200) to 01 (Mod- bus mapping enabled) and set each Modbus mapping parameter. • Each number of 1 to 10 in Modbus Mapping External Register, Modbus Mapping External Register Type, Modbus Mapping Scaling, and Modbus Mapping Internal Register corresponds to one set of Modbus mapping function settings, respectively.

  • Page 470: Compressed Single-Word Registers

    8 Communications Functions Precautions for Correct Use • The Modbus mapping function settings are reflected on not only Modbus communication, but also USB communications and communications units. Set and use the USB communications and communications units as follows. When using CX-Drive: When the CX-Drive is used to read/write parameters, be sure to set in advance the Modbus Mapping Function Selection (P200) to 00 (Standard Modbus address).
  • Page 471 8 Communications Functions Modbus Data Register Parameter register Function name Monitor or setting data resolu- spec. No tion 1st Multi-step Speed 0/Starting Frequency to 1st 0.01 1F34 hex 1F33 hex A020 [Hz] Reference 0 Maximum Frequency Multi-step Speed 0/Starting frequency to 0.01 1F35 hex 1F34 hex...

  • Page 472: Troubleshooting For Modbus Mapping Function

    8 Communications Functions ⚫ Inverter status monitor register No. 1E01 hex − − Name IRDY Rotation direction (0: Forward/1: Reverse) Alarm IRDY Inverter ready Set-frequency only During RUN Overtorque/Undertorque Constant speed reached Undervoltage Set frequency exceeded Torque limit Overload warning RUN time over Excessive PID deviation Power ON time over...

  • Page 473: Endian Function

    8 Communications Functions 8-7-5 Endian Function In communications, endian refers to the byte order in single-word communications data to be sent/received. Generally, big endian (where the MSB-side byte is stored first) and little endian (where the LSB-side byte is stored first) are used. Special endian is a kind of big endian where the word order of double-word data is reversed.
  • Page 474 8 Communications Functions ⚫ Executable function codes This function is enabled only for the function codes listed below. Other function codes will be processed in big endian. Function code 03 hex Read from multiple holding registers 06 hex Write to a holding register 10 hex Write to multiple holding registers 17 hex...

  • Page 475: Co-Inverter Communication

    8 Communications Functions Co-inverter Communication In addition to the standard Modbus communication (slave), the 3G3MX2-EV2 Series Inverter provides the co-inverter communication function, which enables more than one 3G3MX2-EV2 Series Inverter to communicate mutually without master equipment such as a computer or PLC. In co-inverter communication, the inverters are assigned as “management inverter,”...

  • Page 476: Co-Inverter Communication Parameters

    8 Communications Functions *2. The management inverter sends the master switching command from Inverter No. 01 to 02 after data is sent from Inverter 01 (master) to a slave (or slaves), with a wait time of “silent interval + Communication Wait Time (C078).
  • Page 477 8 Communications Functions Setting Default Parameter No. Function name Data Unit data target Sender Register of All − P143 Stations in Co-inverter 0000 to FFFF 0000 Communication 1 Recipient Station Number of All Stations − P144 1 to 247 in Co-inverter Commu- nication 2 Recipient Register of All Stations in...
  • Page 478 8 Communications Functions *2. After changing any of the C072 and C096 to C100 data on the management inverter, be sure to cycle the power supply to apply the changes. For inverters other than the management inverter, these changes will be applied immediately.

  • Page 479: Co-Inverter Communication Settings

    8 Communications Functions 8-8-2 Co-inverter Communication Settings • On each inverter, set the station number in the Communication Station No. Selection (C072) so that they do not overlap among the inverters. Do not forget to set the station No. 1, which serves as the management inverter.
  • Page 480 8 Communications Functions Example of Co-inverter Communication Sequence The sequence diagram below shows co-inverter communication among four inverters with station num- bers from 1 to 4, where Stations No. 1 to 3 are set as the master inverter. Station No. register data xxxx xxxx Data sent from master xxxx xxxx...

  • Page 481: Modbus Communication Data Lists

    8 Communications Functions Modbus Communication Data Lists R/W in the list shows whether data can be read from, or written to, the coil or holding register. (R: Read only, R/W: Read and write enabled) Precautions for Correct Use • The “Coil No.” in the table header shows the coil number used inside the inverter. Use this coil number when setting EtherCAT communications.
  • Page 482 8 Communications Functions Modbus coil Coil No. Item Description spec. No. 1: Reverse 0010 hex 000F hex RUN direction 0: Forward (Interlocked with d003) 1: Ready 0011 hex 0010 hex Inverter ready 0: Not ready − − − 0012 hex Reserved 1: ON 0013 hex...
  • Page 483 8 Communications Functions Modbus coil Coil No. Item Description spec. No. 1: ON ODc (Analog O 002E hex 002D hex disconnection detection) 0: OFF 1: ON OIDc (Analog OI 002F hex 002E hex disconnection detection) 0: OFF 0030 hex − −...
  • Page 484 8 Communications Functions Modbus coil Coil No. Item Description spec. No. − − − 004F hex Reserved WCO (Window comparator 1: ON 0050 hex 004F hex 0: OFF 1: ON WCOI (Window comparator 0051 hex 0050 hex 0: OFF 0052 hex −...

  • Page 485: Monitor Function/Enter Command Register List

    8 Communications Functions 8-9-2 Monitor Function/Enter Command Register List Precautions for Correct Use • The “Register No.” in the table header shows the register number used inside the inverter. Use this register number when setting EtherCAT communications. • The “Modbus register spec. No.” in the table header shows the register number used to actu- ally specify the register in the Modbus communication process.
  • Page 486 8 Communications Functions Register Modbus register Monitor or setting Data Function name Parameter No. spec. No data resolution − 0006 hex 0005 hex 0 to 10000 0.01 [%] PID Feedback 0007 to − − − − − Reserved 0010 hex 0011 hex 0010 hex Fault Counter...
  • Page 487 8 Communications Functions Register Modbus register Monitor or setting Data Function name Parameter No. spec. No data resolution Refer to Inverter trip Fault Monitor 3 Fault − 0026 hex 0025 hex fault factor list on Factor page 8-46. Refer to Inverter trip Fault Monitor 3 Inverter −...
  • Page 488 8 Communications Functions Register Modbus register Monitor or setting Data Function name Parameter No. spec. No data resolution Refer to Inverter trip Fault Monitor 5 Fault − 003A hex 0039 hex fault factor list on Factor page 8-46. Refer to Inverter trip Fault Monitor 5 Inverter −...
  • Page 489 8 Communications Functions Register Modbus register Monitor or setting Data Function name Parameter No. spec. No data resolution Motor parame- ter initial- ization Set value storage in EEPROM − − 0900 hex 08FF hex EEPROM Write Others: Motor parame- ter initial- ization and set value stor-...
  • Page 490 8 Communications Functions ⚫ Inverter trip fault factor list Trip factor in MSB (Fault factor) Trip factor in LSB (Inverter Status) Transmission Transmission Name Code Name Code data data No trip factor 0 hex During reset 0 hex Overcurrent protection during 01 hex During stop 01 hex...
  • Page 491 8 Communications Functions Modbus Register Parameter Data Function name Monitor or setting data Page register resolution spec. No d001 1001 hex 1000 hex (HIGH) Output Frequency 0.01 0 to 59000 P. 7-4 [Hz] Monitor d001 1002 hex 1001 hex (LOW) Output Current 1003 hex 1002 hex...
  • Page 492 8 Communications Functions Modbus Register Parame- Data Function name Monitor or setting data Page register ter No. resolution spec. No Program Counter 101E hex 101D hex d023 1 to 1024 P. 7-11 (DriveProgramming) Program Number Monitor 1101F hex 1101E hex d024 0 to 9999 P.
  • Page 493 8 Communications Functions Modbus Register Parameter Data Function name Monitor or setting data Page register resolution spec. No 00 : Digital Operator (F001) 01 to 15: Multi-step speed refer- ence 1 to 15 16 : Jogging frequency 18 : Modbus communication 19 : Option Frequency −...

  • Page 494: Group F Register List

    8 Communications Functions 8-9-3 Group F Register List Precautions for Correct Use • The “Register No.” in the table header shows the register number used inside the inverter. Use this register number when setting EtherCAT communications. • The “Modbus register spec. No.” in the table header shows the register number used to actu- ally specify the register in the Modbus communication process.

  • Page 495: Group A/B/C/H/P Register List

    8 Communications Functions 8-9-4 Group A/b/C/H/P Register List Precautions for Correct Use • The “Register No.” in the table header shows the register number used inside the inverter. Use this register number when setting EtherCAT communications. • The “Modbus register spec. No.” in the table header shows the register number used to actu- ally specify the register in the Modbus communication process.
  • Page 496 8 Communications Functions Modbus Register Parameter Data register Function name Monitor or setting data Page resolution spec. No 300 to 1st Maximum Fre- 1203 hex 1202 hex 1st Base Frequency A003 0.1 [Hz] P. 5-20 quency 1st Maximum 1st Base Frequency to 0.1 [Hz] P.
  • Page 497 8 Communications Functions Modbus Register Parameter Data register Function name Monitor or setting data Page resolution spec. No A023 R/W 0 121C hex 121B hex (HIGH) Multi-step Speed 0.01 Starting frequency to [Hz] Reference 3 A023 121D hex 121C hex Maximum frequency (LOW) A024...
  • Page 498 8 Communications Functions Modbus Register Parameter Data register Function name Monitor or setting data Page resolution spec. No 1236 hex − − − − − − Reserved 1237 hex Starting Frequency to 0.01 1238 hex 1237 hex Jogging Frequency A038 [Hz] 1000 (10000) Free-running on...
  • Page 499 8 Communications Functions Modbus Register Parameter Data register Function name Monitor or setting data Page resolution spec. No 1st Automatic Torque Boost Volt- 1240 hex 123F hex A046 0 to 255 1 [%] age Compensation Gain P. 5-59 1st Automatic 1241 hex 1240 hex Torque Boost Slip...
  • Page 500 8 Communications Functions Modbus Register Parameter Data Function name Monitor or setting data Page register resolution spec. No Startup DC Injection 124B hex 124A hex A057 0 to 100 (70) 1 [%] Braking Power Startup DC Injection P. 7-93 124C hex 124B hex A058 0 to 600...
  • Page 501 8 Communications Functions Modbus Register Parameter Data Function name Monitor or setting data Page register resolution spec. No Disabled Enabled − 125F hex 125E hex PID Selection A071 Enabled (Reverse output enabled) 1260 hex 125F hex PID P Gain A072 0 to 2500 0.01 1261 hex...
  • Page 502 8 Communications Functions Modbus Register Parameter Data Function name Monitor or setting data Page register resolution spec. No A092 1274 hex 1273 hex (HIGH) 1st Acceleration 0 to 360000 0.01 [s] Time 2 A092 1275 hex 1274 hex (LOW) A093 1276 hex 1275 hex (HIGH)
  • Page 503 8 Communications Functions Modbus Register Parameter Data Function name Monitor or setting data Page register resolution spec. No 1288 to − − − − − − Reserved 12A4 hex Acceleration Curve 1 (Small curve) to 10 − 12A5 hex 12A4 hex A131 Parameter (Large curve)
  • Page 504 8 Communications Functions Modbus Register Parameter Data Function name Monitor or setting data Page register resolution spec. No A154 0 to Starting Frequency: 12BD hex 12BC hex (HIGH) Deceleration Stop Disabled 0.01 [Hz] Frequency A154 Frequency above Starting 12BE hex 12BD hex P.
  • Page 505 8 Communications Functions Modbus Register Parameter Data register Function name Monitor or setting data Page resolution spec. No b007 Frequency Pull-in 1307 hex 1306 hex (HIGH) 0.01 Lower Limit 0 to 59000 P. 7-62 [Hz] b007 1308 hex 1307 hex Frequency (LOW) Trip...
  • Page 506 8 Communications Functions Modbus Register Parameter Data register Function name Monitor or setting data Page resolution spec. No Disabled Enabled during acceleration and constant speed Enabled during 1st Overload Limit constant speed − 1316 hex 1315 hex b021 Selection Enabled during acceleration and constant speed (Accelerated...
  • Page 507 8 Communications Functions Modbus Register Parameter Data Function name Monitor or setting data Page register resolution spec. No Data other than b031 cannot be changed when ter- minal SFT is ON. Data other than b031 and the set frequency cannot be changed when −...
  • Page 508 8 Communications Functions Modbus Register Param- Data Function name Monitor or setting data Page register eter No. resolution spec. No Screen on which the Enter key was last pressed Initial Screen − 1328 hex 1327 hex b038 P. 7-56 001 to 060: (d001 to d060) Selection 201: F001...
  • Page 509 8 Communications Functions Modbus Register Param- Data Function name Monitor or setting data Page register eter No. resolution spec. No Disabled Enabled (Deceleration stop) Deceleration Stop − 1334 hex 1333 hex Selection on b050 Enabled (Constant volt- Power Interruption age, without recovery) Enabled (Constant volt- age, with recovery) Starting Voltage...
  • Page 510 8 Communications Functions Modbus Register Parameter Data Function name Monitor or setting data Page register resolution spec. No 1345 to − − − − − − Reserved 1348 hex Analog Operation 0 to 100 1349 hex 1348 hex Level at O b070 1 [%] 255: no (Disabled)
  • Page 511 8 Communications Functions Modbus Register Parameter Data Function name Monitor or setting data Page register resolution spec. No Disabled Enabled (depen- Automatic Carrier dent on current) − 135C hex 135B hex b089 P. 7-32 Reduction Enabled (depen- dent on cooling fin temperature) Regenerative brak- Usage Rate of...
  • Page 512 8 Communications Functions Modbus Register Parameter Data Function name Monitor or setting data Page register resolution spec. No Braking Resistor Minimum connection resis- 1364 hex 1363 hex b097 0.1 [] P. 5-64 Value tance to 6000 Disabled Ground Fault Detec- −...
  • Page 513 8 Communications Functions Modbus Register Parameter Data Function name Monitor or setting data Page register resolution spec. No Brake Release 0.01 1380 hex 137F hex b125 0 to 59000 [Hz] Frequency Brake Release 1381 hex 1380 hex b126 0 to 2000 0.1 [%] P.
  • Page 514 8 Communications Functions Modbus Register Parameter Data Function name Monitor or setting data Page register resolution spec. No Do not change the − − − − 13A9 hex (Reserved) b166 default 00. 13AA to − − − − − − Reserved 13AD hex Selection disabled...
  • Page 515 8 Communications Functions Modbus Register Function Parameter Data Monitor or setting data Page register name resolution spec. No 00: FW (Forward) 01: RV (Reverse) 02: CF1 (Multi-step speed setting binary 1) Multi-function 03: CF2 (Multi-step speed setting binary 2) 1401 −...
  • Page 516 8 Communications Functions Modbus Register Function Parameter Data Monitor or setting data Page register name resolution spec. No 1408 to − − − − − − Reserved 140A hex Multi-function Input 1 − 140B hex 140A hex C011 Operation Selection Multi-function Input 2 −...
  • Page 517 8 Communications Functions Modbus Register Function Parameter Data Monitor or setting data Page register name resolution spec. No 00: RUN (During RUN) 01: FA1 (Constant speed arrival signal) 02: FA2 (Set frequency exceeded signal) 03: OL (Overload warning) 04: OD (Excessive PID deviation) 05: AL (Alarm signal) 06: FA3 (Set-frequency only signal) 07: OTQ (Overtorque/Undertorque signal)
  • Page 518 8 Communications Functions Modbus Register Function Parameter Data Monitor or setting data Page register name resolution spec. No 00: RUN (During RUN) 01: FA1 (Constant speed arrival signal) 02: FA2 (Set frequency exceeded signal) 03: OL (Overload warning) 04: OD (Excessive PID deviation) 05: AL (Alarm signal) 06: FA3 (Set-frequency only signal) 07: OTQ (Overtorque/Undertorque signal)
  • Page 519 8 Communications Functions Modbus Register Parameter Data Function name Monitor or setting data Page register resolution spec. No Output frequency Output current Output torque Digital output fre- quency Output voltage Input power Electronic thermal load rate LAD frequency − 141B hex 141A hex EO Selection C027...
  • Page 520 8 Communications Functions Modbus Register Parameter Data Function name Monitor or setting data Page register resolution spec. No Multi-function Relay NO (NO contact) − 1424 hex 1423 hex C036 P. 5-54 Output (AL1, AL2) NC (NC contact) Operation Selection − −...
  • Page 521 8 Communications Functions Modbus Register Parameter Data Function name Monitor or setting data Page register resolution spec. No Overtorque Overtorque/ − 143A hex 1439 hex C054 Undertorque Undertorque Selection Overtorque/ Undertorque Level 143B hex 143A hex C055 0 to 200 1 [%] (Forward Power Running)
  • Page 522 8 Communications Functions Modbus Register Parameter Data Function name Monitor or setting data Page register resolution spec. No Communication − 144E hex 144D hex C074 Even Parity Selection Communication 1 bit − 144F hex 144E hex C075 Stop Bit Selection 2 bits Trip Trip after decelera-...
  • Page 523 8 Communications Functions Modbus Register Parameter Data Function name Monitor or setting data Page register resolution spec. No Trip reset at power-on Trip reset at power-off − 146A hex 1469 hex Reset Selection C102 Enabled only during trip (Reset at power-on) P.
  • Page 524 8 Communications Functions Modbus Register Parameter Data Function name Monitor or setting data Page register resolution spec. No Same as C021 (Except Logic Output Signal − 1492 hex 1491 hex C142 33 (LOG1) to 35 (LOG3), 1 Selection 1 63 (OPO), and 255 (no)) Same as C021 (Except Logic Output Signal −...
  • Page 525 8 Communications Functions Modbus Register Parameter Data Function name Monitor or setting data Page register resolution spec. No Disabled Enabled (No motor Auto-tuning − 1501 hex 1500 hex H001 rotation) P. 6-4 Selection Enabled (Motor rotation) Standard motor parameter 1st Motor Parameter −...
  • Page 526 8 Communications Functions Modbus Register Parameter Data Function name Monitor or setting data Page register resolution spec. No 1st Motor Parameter 0.001 1525 hex 1524 hex H030 1 to 65535 P. 6-4 R1 (Auto-tuning [] Data) − − − − −...
  • Page 527 8 Communications Functions Modbus Register Parameter Data Function name Monitor or setting data Page register resolution spec. No PM Motor Pole − 1573 hex 1572 hex H104 Number 04 to 23: Do not set 10 to 48P. PM Motor Rated 1574 hex 1573 hex H105...
  • Page 528 8 Communications Functions Modbus Register Parameter Data Function name Monitor or setting data Page register resolution spec. No PM Motor Initial Pole 158A hex 1589 hex H131 0 to 255 1 [time] Position Estimation 0V Waiting Times PM Motor Initial Pole Position Estimation 158B hex 158A hex...
  • Page 529 8 Communications Functions Modbus Register Parameter Data Function name Monitor or setting data Page register resolution spec. No − − − − − − 1610 hex Reserved Positioning 1611 hex 1610 hex Completion Range P017 0 to 10000 P. 6-34 [pulse] Setting 1612 to...
  • Page 530 8 Communications Functions Modbus Register Parameter Data Function name Monitor or setting data Page register resolution spec. No 10 to 320 * Input fre- Pulse Train 1639 hex 1638 hex P055 quency at maximum fre- [kHz] Frequency Scale quency Pulse Train 163A hex 1639 hex Frequency Filter...
  • Page 531 8 Communications Functions Modbus Register Parameter Data Function name Monitor or setting data Page register resolution spec. No Origin Search Mode 1 − 164E hex 164D hex Origin Search Mode P068 Origin Search Mode 2 Forward Origin Search − 164F hex 164E hex P069 P.
  • Page 532 8 Communications Functions Modbus Register Parameter Data Function name Monitor or setting data Page register resolution spec. No Not store Position Store − 165D hex 165C hex P081 Selection at Power Store P. 6-44 P082 Position range setting 165E hex 165D hex (HIGH) Position Data at...
  • Page 533 8 Communications Functions Modbus Register Parameter Data Function name Monitor or setting data Page register resolution spec. No DriveProgramming 167A hex 1679 hex P120 0 to 65535 User Parameter U20 DriveProgramming 167B hex 167A hex P121 0 to 65535 User Parameter U21 DriveProgramming 167C hex 167B hex...
  • Page 534 8 Communications Functions Modbus Register Parameter Data Function name Monitor or setting data Page register resolution spec. No Sender Register of All Stations in − 1694 hex 1693 hex P146 0000 to FFFF hex Co-inverter Communication 2 Recipient Station Number of All −...
  • Page 535 8 Communications Functions Modbus Register Parameter Data Function name Monitor or setting data Page register resolution spec. No Option I/F Flexible 16A5 hex 16A4 hex P163 0000 to FFFF hex Format Output Register 4 Option I/F Flexible 16A6 hex 16A5 hex Format Output P164 0000 to FFFF hex...
  • Page 536 8 Communications Functions Modbus Register Parameter Data Function name Monitor or setting data Page register resolution spec. No Do not change the − − − 16B7 hex 16B6 hex (Reserved) P181 default 0. Do not change the − − − 16B8 hex 16B7 hex (Reserved)
  • Page 537 8 Communications Functions Modbus Register Parameter Data Function name Monitor or setting data Page register resolution spec. No Unsigned Modbus Mapping − 16D3 hex 16D2 hex P211 External Register Signed Type 1 Unsigned Modbus Mapping − 16D4 hex 16D3 hex P212 External Register Signed...
  • Page 538 8 Communications Functions Modbus Register Parameter Data Function name Monitor or setting data Page register resolution spec. No Modbus Mapping 16E7 hex 16E6 hex P301 0000 to FFFF hex Internal Register 1 Modbus Mapping 16E8 hex 16E7 hex P302 0000 to FFFF hex Internal Register 2 Modbus Mapping 16E9 hex...
  • Page 539 8 Communications Functions Modbus Register Parameter Data Function name Monitor or setting data Page register resolution spec. No Coil No. 0010 hex − − − 1E01 hex 1E00 hex Coil data 1 : Coil No. 001F hex Coil No. 0020 hex −...

  • Page 540: 2Nd Control Register Number List

    8 Communications Functions 8-9-5 2nd Control Register Number List Precautions for Correct Use • The “Register No.” in the table header shows the register number used inside the inverter. Use this register number when setting EtherCAT communications. • The “Modbus register spec. No.” in the table header shows the register number used to actu- ally specify the register in the Modbus communication process.
  • Page 541 8 Communications Functions Modbus Register Parameter Data register Function name Monitor or setting data Page resolution spec. No 300 to 2nd Maximum 2203 hex 2202 hex 2nd Base Frequency A203 0.1 [Hz] P. 5-20 Frequency 2nd Maximum Fre- 2nd Base Frequency to 0.1 [Hz] P.
  • Page 542 8 Communications Functions Modbus Register Parameter Data register Function name Monitor or setting data Page resolution spec. No 2253 to − − − − − − Reserved 2268 hex Always ON Always OFF − 2269 hex 2268 hex 2nd AVR Selection A281 P.
  • Page 543 8 Communications Functions Modbus Register Parameter Data Function name Monitor or setting data Page register resolution spec. No 2nd Electronic 230C hex 230B hex b212 200 to 1000 0.1 [%] Thermal Level Reduced torque 2nd Electronic characteristics P. 5-15 Thermal −...
  • Page 544 8 Communications Functions Modbus Register Parameter Data Function name Monitor or setting data Page register resolution spec. No 2nd Motor Pole − 2504 hex 2503 hex H204 P. 6-4 Number Selection 04 to 23: Do not set 10 to 48P. −...

  • Page 545: Overview Of Driveprogramming

    Overview of DriveProgramming This section provides the features of the DriveProgramming. 9-1 Overview of DriveProgramming ............... 9-2 Multi-function Compact Inverter 3G3MX2-EV2 User’s Manual (I666-E1) 9 - 1...
  • Page 546 9 Overview of DriveProgramming Overview of DriveProgramming The 3G3MX2-EV2 Series Inverter has the built-in simple sequence function (DriveProgramming), which enables a stand-alone inverter to perform simple sequence control. You can create programs easily by using the CX-Drive. The user programs you created can be down- loaded onto the inverter for programmed inverter operation.
  • Page 547 9 Overview of DriveProgramming The main functions of the DriveProgramming Editor available in CX-Drive are as shown below. Function Description Programming Supports the creation, editing, saving, reading, and printing of user programs. Compilation Compiles a user programs. Downloads a user program to the inverter, or Transfer uploads a user program from the inverter.
  • Page 548 9 Overview of DriveProgramming Multi-function Compact Inverter 3G3MX2-EV2 User’s Manual (I666-E1) 9 - 4...

  • Page 549: Troubleshooting

    Troubleshooting This section describes how to analyze the cause and take countermeasures if the inverter fails, and provides troubleshooting for possible troubles. 10-1 Alarm Display and Remedies ................10-2 10-1-1 Alarm Display ....................10-2 10-1-2 Alarm Code List ....................10-4 10-1-3 Option Unit Protective Function List ..............

  • Page 550: Alarm Display And Remedies

    10 Troubleshooting 10-1 Alarm Display and Remedies 10-1-1 Alarm Display If an error occurs, the inverter shuts off its output (“trip”), turns ON the ALARM LED, and displays an alarm code. With the alarm code displayed, you can rotate the Jog dial clockwise to view the detailed information such as the output frequency, current, and main circuit DC voltage when the alarm signal was output.
  • Page 551 10 Troubleshooting Precautions for Correct Use The status information displayed on the inverter in the event of an alarm may not match the apparent operation of the motor. For example, under PID control or in applications where the frequency is input via the analog signal, the inverter may accelerate and decelerate slightly in a repetitive manner due to fluctua- tion of the analog signal etc.

  • Page 552: Alarm Code List

    10 Troubleshooting 10-1-2 Alarm Code List Alarm Reference Name Description Check and remedy code page  Overcurrent If the brake is applied to During Is there any rapid load fluctua- E01. protection the motor, or if motor is constant tion? rapidly accelerated or speed •...
  • Page 553 10 Troubleshooting Alarm Reference Name Description Check and remedy code page  Overvoltage Extremely high DC voltage between Is there any rapid deceleration? E07. P/+2 and N/− may result in a fault. protection • Increase the deceleration time. Therefore, the inverter trips if the DC Is there any ground fault? voltage between P/+2 and N/−...
  • Page 554 10 Troubleshooting Alarm Reference Name Description Check and remedy code page  USP error The inverter trips if the power supply Is the power supply turned on E13. is turned on with the RUN signal ON. with the RUN signal ON? P.
  • Page 555 10 Troubleshooting Alarm Reference Name Description Check and remedy code page  Analog cur- The Inverter trips if excessive current Is there any short-circuit or incor- E26. rent input flows through the analog current input rect wiring in the OI wiring? P.
  • Page 556 10 Troubleshooting Alarm Reference Name Description Check and remedy code page  Overload The inverter trips if its built-in elec- Is the load too heavy? E38. protection in a tronic thermal function detects an • Reduce the load rate. low speed overload in an extremely low speed range range of 0.2 Hz or lower.
  • Page 557 10 Troubleshooting Alarm Reference Name Description Check and remedy code page  Encoder The inverter trips, when the output fre- The encoder wiring is discon- E80. disconnection quency is at the Creep Speed Setting nected or connected improperly. (P015) or higher, if the motor rotation •...

  • Page 558: Option Unit Protective Function List

    10 Troubleshooting 10-1-3 Option Unit Protective Function List When an option unit is mounted on the 3G3MX2 Series, the alarm code “E6* ” is displayed if the pro- tective function is performed on the option unit. Protective Function Display when EtherCAT Communications Unit (Model: 3G3AX-MX2-ECT) is Mounted Alarm code on Description...

  • Page 559: Warning Display

    10 Troubleshooting 10-1-4 Warning Display If the set parameter contradicts other set value, the inverter will display a warning with the program LED blinking. The table below lists the warning displays and their display conditions. If the warning display appears, change the parameter setting according to this table.

  • Page 560: Other Indications On Digital Operator

    10 Troubleshooting 10-1-5 Other Indications on Digital Operator Alarm code on Name Description Digital Operator During reset Rotating This indication appears when the input terminal allo- cated to the reset (RS) is ON, or when a trip state is reset via the STOP/RESET key. Undervoltage standby This indication appears when the inverter is in an undervoltage standby state, or when the power sup-...

  • Page 561: Troubleshooting

    10 Troubleshooting 10-2 Troubleshooting If you feel that the inverter operation is strange or that the inverter does not operate as intended, use the following information as a reference, even if the inverter displays no alarm indication. If the inverter trips with an alarm indication, refer to 10-1 Alarm Display and Remedies on page 10-2. Reference Symptom Possible cause...
  • Page 562 10 Troubleshooting Reference Symptom Possible cause Remedy page The RUN command The RUN Direction Limit Selec- Set the RUN Direction Limit Selection (b035) is input, but the tion (b035) is set to limit the for- correctly. P. 7-38 motor does not ward or reverse rotation.
  • Page 563 10 Troubleshooting Reference Symptom Possible cause Remedy page Check the input wiring. The motor rotation There is a contact failure for the speed does not analog voltage/current or vari- • For the analog voltage or variable resistor increase. able resistor input wiring. input wiring, measure the voltage between the terminals FC and L with a tester etc.
  • Page 564 10 Troubleshooting Reference Symptom Possible cause Remedy page The inverter is in operation. The parameter set- Stop the inverter. Then, set the parameters tings cannot be again after the motor stops with deceleration. − changed. Setting b031 to 10 (Data can be changed during RUN) enables parameter settings to be changed even when the inverter operates.
  • Page 565 10 Troubleshooting Reference Symptom Possible cause Remedy page The motor or The carrier frequency is too Increase the Carrier Frequency (b083) value. machine causes a low. However, this may increase noise or leakage loud noise. current from the inverter. In addition, the out- P.
  • Page 566 10 Troubleshooting Reference Symptom Possible cause Remedy page Change the output frequency value slightly The output fre- The parameter settings are P. 5-23 quency is unstable. inappropriate. away from the power supply frequency. Change the 1st/2nd Stabilization Parameter P. 7-52 (H006/H206) value.
  • Page 567 10 Troubleshooting Reference Symptom Possible cause Remedy page • Check that the coil or register address set- The operation/set- Some address setting is incor- ting via Modbus rect. ting is correct, which is 1 less than the coil communication is or register No.
  • Page 568 10 Troubleshooting Reference Symptom Possible cause Remedy page The CX-Drive version is not To connect the CX-Drive to the 3G3MX2-EV2 The CX-Drive can- P. 3-16 not be connected supported. Series, use Ver. 2.8 or higher. with the inverter. The inverter software number Set the software number of the connected P.

  • Page 569: Maintenance And Inspection

    Maintenance and Inspection This section describes the maintenance and periodical inspection items. 11-1 Maintenance and Inspection ................11-2 11-1-1 Daily Inspection ....................11-6 11-1-2 Cleaning ......................11-6 11-1-3 Periodic Inspection .................... 11-6 11-1-4 Daily/Periodic Inspection Items ................. 11-7 11-1-5 Megger Test ....................11-10 11-1-6 Withstand Voltage Test ...................
  • Page 570 11 Maintenance and Inspection 11-1 Maintenance and Inspection Turn off the power supply and implement wiring correctly. Not doing so may result in a serious injury due to an electric shock. Wiring work must be carried out only by qualified personnel. Not doing so may result in a serious injury due to an electric shock.
  • Page 571 11 Maintenance and Inspection CAUTION Be sure to confirm safety before conducting maintenance, inspection or parts replacement. Not doing so might result in a minor injury. Do not connect resistors to the terminals [+1, P/+] and the terminal [N/-] directly. Doing so might result in a small-scale fire, heat generation or damage to the unit.
  • Page 572 11 Maintenance and Inspection Precautions for Safe Use Maintenance and Inspection • The capacitor service life is influenced by the ambient temperature.Refer to "Product Life Curve" described in the User’s manual. When a capacitor reaches the end of its service life and does not work as the product, you need to replace the capacitor.
  • Page 573 11 Maintenance and Inspection Precautions for Correct Use Operation Stop Command • Provide a separate emergency stop switch because the STOP Key on the Operator is valid only when function settings are performed. • The motor may start suddenly if voltage is accidentally applied to a control input terminal in a signal check when the power supply is ON.

  • Page 574: Daily Inspection

    11 Maintenance and Inspection 11-1-1 Daily Inspection Check the following during operation. • The motor operates according to the settings. • There are no faults in the installation environment. • There are no faults in the cooling system. • There are no abnormal vibration and sound. •...

  • Page 575: Periodic Inspection

    11 Maintenance and Inspection 11-1-4 Daily/Periodic Inspection Items Inspection frequency Inspection Inspection Inspection Periodic Inspection method Criteria Meter category item point General Ambient Check ambient Refer to 2-1 Installation Ambient tempera- Thermometer ture: −10 to 50°C, no environment temperature, on page 2-5. Hygrometer humidity, and freezing...
  • Page 576 11 Maintenance and Inspection Inspection frequency Inspection Inspection Inspection Periodic Inspection method Criteria Meter category item point Main Inverter Check resis- Disconnect wires from Refer to 11-1-7 Analog circuit unit tance between the inverter main circuit Inverter/Converter tester terminals. terminal block and mea- Unit Test on page Converter sure the resistance...
  • Page 577 11 Maintenance and Inspection Inspection frequency Inspection Inspection Inspection Periodic Inspection method Criteria Meter category item point Display Indicator Check that the Perform visual inspec- The LED indicators  LED indicators tion. are lit. are lit properly. Perform clean- Clean it with a waste ...

  • Page 578: Megger Test

    11 Maintenance and Inspection 11-1-5 Megger Test Before performing a megger test on external circuits, be sure to disconnect all the terminals of the inverter and not to apply the test voltage to the inverter. Use a 500 VDC megger for a megger test. For a megger test on the inverter main circuit, short-circuit the terminals R/L1, S/L2, T/L3, U/T1, V/T2, W/T3, RB, +1, P/+2, and N/−...
  • Page 579 11 Maintenance and Inspection Test Method Measure the resistance at the inverter main circuit terminals block R/L1, S/L2, T/L3, U/T1, V/T2, W/T3, RB, P/+2, and N/− by alternating the polarity of the tester to judge the conduction state. • Before starting the test, measure the voltage between P/+2 and N/− in the DC voltage range to check that the smoothing capacitor is sufficiently discharged.

  • Page 580: I/O Voltage/Current/Electric Power Measurement Method

    11 Maintenance and Inspection 11-1-8 I/O Voltage/Current/Electric Power Measurement Method Measuring instruments commonly used for input/output voltage, current, or electric power measure- ment are shown below. Inverter Power Motor supply Measurement Measurement Measurement point Measuring instrument Remarks item value reference Between R/L1 and S/L2 (E 200-V class: 200 to 240 V,...
  • Page 581 11 Maintenance and Inspection Inverter Motor 2 W 220 kW Diode 600 V 0.1 A min. (200-V class) 1000 V 0.1 A min. (400-V class) Moving coil type − 300 V (200-V class) VAC = 1.1  VDC 600 V (400-V class) Multi-function Compact Inverter 3G3MX2-EV2 User’s Manual (I666-E1) 12 - 13...
  • Page 582 11 Maintenance and Inspection Multi-function Compact Inverter 3G3MX2-EV2 User’s Manual (I666-E1) 11 - 14...
  • Page 583 12 Options Options This section describes the specifications and external dimension of optional equipment. 12-1 Overview of Optional Equipment ..............12-1 12-1-1 Part Names and Descriptions ................12-1 Digital Operator (Model: 3G3AX-OP01) ..............12-4 12-10 12-10-1 Specifications ....................12-4 12-10-2 External Dimensions ..................12-5 Digital Operator Cable (Model: 3G3AX-CAJOP300-EE)........

  • Page 584: Overview Of Optional Equipment

    12 Options 12-1 Overview of Optional Equipment This section provides an overview of the optional equipment available with the 3G3MX2-EV2 Series Inverter. For details and selection, refer to the inverter datasheet 12-1-1 Part Names and Descriptions DC Reactor (Model: 3G3AX-RC)/AC Reactor (Model: 3G3AX-RAI) Use these reactors to suppress harmonics generated from the inverter.
  • Page 585 Use this filter to reduce the conductive noise generated in the inverter and transmitted to power supply lines for compliance with European EU Directives. For information on EMC noise filters that support the 3G3MX2-EV2 Series Inverter, contact your OMRON sales representative. Digital Operator (Model: 3G3AX-OP01)/ Digital Operator Cable (Model: 3G3AX-CAJOP300-EE) In addition to the Digital Operator as standard equipment, the following Digital Operator products are also available.

  • Page 586: Digital Operator (Model: 3G3Ax-Op01)

    12 Options 12-2 Digital Operator (Model: 3G3AX-OP01) 12-11-1 Specifications 3G3AX-OP01 Item Specifications Display LED digital display 55 (H)  70 (W)  10 (D) mm External Dimensions Weight 100 g max. −10 to 50°C Operating ambient temperature Operating ambient humidity 20% to 90% (with no condensation) −20 to 65°C Storage ambient temperature...

  • Page 587: External Dimensions

    12 Options 12-11-2 External Dimensions 3G3AX-OP01 Multi-function Compact Inverter 3G3MX2-EV2 User’s Manual (I666-E1) 12 - 5...

  • Page 588: Digital Operator Cable (Model: 3G3Ax-Cajop300-Ee)

    12 Options 12-3 Digital Operator Cable (Model: 3G3AX-CAJOP300-EE) 12-12-1 Specifications Item Specifications Connector RJ45 connector Cable EIA568-compliant cable (UTP category 5) 12-12-2 External Dimensions Model Cable length [m] 3G3AX-CAJOP300-EE Multi-function Compact Inverter 3G3MX2-EV2 User’s Manual (I666-E1) 12 - 6...

  • Page 589: Ethercat Communications Unit (Model: 3G3Ax-Mx2-Ect)

    12 Options 12-4 EtherCAT Communications Unit (Model: 3G3AX-MX2-ECT) 12-13-1 Specifications Item Specifications General Power supply Supplied from inverter specifications Enclosure rating IP20 −10 to 50°C Operating ambient temperature −20 to 65°C Storage ambient temperature Operating ambient 20% to 90% (with no condensation) humidity Vibration resistance 5.9 m/s...

  • Page 590: External Dimensions

    12 Options 12-13-2 External Dimensions Status indicator Rotary switch for node address setting 67.6 44.9 28.6 FG cable 53.1 Communications connector (IN) Communications 34mm *1 D *1 10.3 10.3 connector (OUT) FG cable *1. With the EtherCAT Communication Unit mounted, dimension D of the inverter increases by 34 mm. (Dimension D of the inverter varies depending on the capacity.

  • Page 591: Appendices

    Appendices This section provides information on derating, capacitor life curve, compliance with the UL/cUL Standards, and inverter selection. A-1 Derating ......................A-2 A-2 Smoothing Capacitor Life Curve ....... . . A-7 A-3 Life Alarm Output .

  • Page 592: Derating

    Appendices A-1 Derating If you intend to use the inverter models with “Yes” in the column “Derating” of the following table at an ambient temperature of 40°C or higher, or to use more than one inverter installed next to each other (side-by-side installation), you need to derate the output current as shown in the graphs below.
  • Page 593 Appendices Models for Which Derating is Not Necessary Models for Which Derating is Necessary Standard installation (Stand-alone installation) at 40°C Side-by-side installation at 40°C Standard installation (Stand-alone installation) at 50°C ⚫ 3G3MX2-A2002-EV2 Multi-function Compact Inverter 3G3MX2-EV2 User’s Manual (I666-E1) A - 3...
  • Page 594 Appendices ⚫ 3G3MX2-AB004-EV2 ⚫ 3G3MX2-AB007-EV2 ⚫ 3G3MX2-A4007-EV2 Multi-function Compact Inverter 3G3MX2-EV2 User’s Manual (I666-E1) A - 4...
  • Page 595 Appendices ⚫ 3G3MX2-A2037-EV2 ⚫ 3G3MX2-A4040-EV2 ⚫ 3G3MX2-A2110-EV2 Multi-function Compact Inverter 3G3MX2-EV2 User’s Manual (I666-E1) A - 5...
  • Page 596 Appendices ⚫ 3G3MX2-A2150-EV2 ⚫ 3G3MX2-A4150-EV2 Multi-function Compact Inverter 3G3MX2-EV2 User’s Manual (I666-E1) A - 6...

  • Page 597: Smoothing Capacitor Life Curve

    Appendices A-2 Smoothing Capacitor Life Curve Note 1. “Ambient temperature” refers to the temperature measured at a distance of approximately 5 cm from the bottom center of the inverter (atmospheric temperature). It refers to an interior temperature if the inverter is stored in a cabinet. 2.

  • Page 598: Life Alarm Output

    Appendices A-3 Life Alarm Output The inverter can output an alarm by the self-diagnostic function when the service life of each consum- able part incorporated in the inverter such as on-board smoothing capacitors and cooling fans (except for the main circuit smoothing capacitor) comes close to the end. Use this as a guide to know the time for the parts replacement.

  • Page 599: Ul/Cul Standards Cautions

    Appendices A-4 UL/cUL Standards Cautions This section describes the inverter installation procedures required to meet UL/cUL standards. Applicable Standards:UL61800-5-1, CSA C22.2 No.274 • Use 60°C Cu wire only. (For models: 3G3MX2-AB001-EV2, -AB002-EV2, -AB004-EV2, -AB007-EV2, -AB015-EV2, -A2001-EV2, -A2002-EV2, -A2004-EV2, -A2007-EV2, -A2015-EV2, -A4004-EV2, -A4007-EV2, -A4015-EV2, -A4022-EV2, -A4030-EV2 and -A4040-EV2) •...
  • Page 600 Appendices Terminal Symbols and Screw Size Required Model No. Screw size Wire range torque [N•m] 3G3MX2-AB001-EV2, 3G3MX2-AB002-EV2, M3.5 AWG16 (1.3 mm 3G3MX2-AB004-EV2 3G3MX2-AB007-EV2 AWG12 (3.3 mm 3G3MX2-AB015-EV2, 3G3MX2-AB022-EV2 AWG10 (5.3 mm 3G3MX2-A2001-EV2, 3G3MX2-A2002-EV2, M3.5 AWG16 (1.3 mm 3G3MX2-A2004-EV2, 3G3MX2-A2007-EV2 3G3MX2-A2015-EV2 AWG14 (2.1 mm 3G3MX2-A2022-EV2 AWG12 (3.3 mm...
  • Page 601 Appendices Fuse Size For conformance to UL standards, use the fuses shown in the table below on the power supply side. • Semiconductor Fuse (for SCCR ≤ 100kA) Rated MODE Fuse Type Fuse Model Model No. current Manufacturer: 3G3MX2-AB001-EV2 FWH-10A14F Eaton Series: 3G3MX2-AB002-EV2...
  • Page 602 Appendices • Non-Semiconductor Fuse (for SCCR ≤ 5kA) Rated Rated Model No. MODE Fuse Type voltage current 3G3MX2-AB001-EV2 Class J, CC, G, T 600VAC 3G3MX2-AB002-EV2 3G3MX2-AB004-EV2 3G3MX2-AB007-EV2 3G3MX2-AB015-EV2 3G3MX2-AB022-EV2 3G3MX2-A2001-EV2 3G3MX2-A2002-EV2 3G3MX2-A2004-EV2 3G3MX2-A2007-EV2 3G3MX2-A2015-EV2 3G3MX2-A2022-EV2 3G3MX2-A2037-EV2 3G3MX2-A2055-EV2 Class J, G, T 600VAC 3G3MX2-A2075-EV2 3G3MX2-A2110-EV2...

  • Page 603: Overview Of Inverter Selection

    Appendices A-5 Overview of Inverter Selection • Example in conveyor application Motor Capacity Selection Before selecting an inverter, first the motor should be chosen. In selecting the motor, calculate the load inertia appropriate to the application, and then calculate the required capacity and torque. ...
  • Page 604 Appendices  Calculation of motor-shaft conversion torque and effective torque Calculate the acceleration torque from the motor-shaft conver- sion load inertia, the motor-rotor inertia, and the acceleration. Then, calculate the load torque from the external force (gravity and tension) and friction force applied to the load. Finally, combine these calculation results to calculate the torque required for the motor.
  • Page 605 Appendices  Simplified Braking Resistor Selection Overview of Braking Resistor Selection This is a simple method to select an appropriate braking resistor  Requirement of Braking Resistor based on the percentage of the time in which regenerative energy is produced in a normal operation pattern. If the regenerative energy generated in deceleration or descent in an application is too large, the main circuit voltage [r/min]...
  • Page 606 Appendices  Braking Resistor Selection Detailed Braking Resistor Selection When the usage rate of the braking resistor selected on Select a braking resistor from the required braking resistance the previous page exceeds 10% ED, or when an and the average regenerative energy described on the left extremely large braking torque is required, use the section.

  • Page 607: Index

    Index Multi-function Compact Inverter 3G3MX2-EV2 User’s Manual (I666-E1) I - 1...
  • Page 608 Index Index Numerics 2nd Control ..............5-7 Data comparison display ..........5-4 2nd Control Function ............. 7-33 DB .................. 7-93 2nd control selection signal ..........7-92 DC Injection Braking ........... 7-93, 7-96 DC reactor ............2-18, 12-3 DC Reactor Connection Terminals ......12-24 DC Voltage Monitor ............7-15 Derating .................
  • Page 609 Index Lower limit ..............5-30 Frequency Addition Function ......... 7-39 Frequency arrival signal ..........7-83 Frequency Calculation Function ........7-39 Magnetic contactor ............2-25 Frequency Conversion Coefficient ........7-6 Main circuit terminal ............2-19 Frequency Jump Function ..........7-36 Main circuit terminal block ..........2-13 Frequency matching restart ...........
  • Page 610 Index P24S ................2-15 Start ratio ............... 7-26 Parameter initialization ........3-10, 3-27 Start selection ..............7-26 Password Function............7-57 Starting contact signal............ 7-88 Starting Frequency ............7-35 Permission of RUN Command ........7-38 Phase loss ..............2-26 Stopping motor .............. 3-29 PID Feedback Value Monitor ........... 7-5 Surge absorber ..............
  • Page 612 Hoffman Estates, IL 60169 U.S.A. Tel: (31) 2356-81-300 Fax: (31) 2356-81-388 Tel: (1) 847-843-7900 Fax: (1) 847-843-7787 ©OMRON Corporation 2023 All Rights Reserved. OMRON ASIA PACIFIC PTE. LTD. OMRON (CHINA) CO., LTD. In the interest of product improvement, 438B Alexandra Road, #08-01/02 Alexandra Room 2211, Bank of China Tower, specifications are subject to change without notice.

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