Omron EasySpeed 3G3JE User Manual
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Omron EasySpeed 3G3JE User Manual

Omron EasySpeed 3G3JE User Manual

Compact simplified inverters
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Cat. No. I547-E1-02
USER'S MANUAL
3G3JE
Compact Simplified Inverters

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Summary of Contents for Omron EasySpeed 3G3JE

  • Page 1 Cat. No. I547-E1-02 USER’S MANUAL 3G3JE Compact Simplified Inverters...
  • Page 2 Preface Thank you for choosing this 3G3JE-series Compact Simplified Inverter. This User's Manual describes Inverter installation and wiring, the parameter settings required for operation, and troubleshooting and inspection proce- dures. • This manual is to be delivered to the final end user of the product.
  • Page 3 USER’S MANUAL 3G3JE Compact Simplified Inverters...
  • Page 4 OMRON. No patent liability is assumed with respect to the use of the information contained herein. Moreover, because OMRON is con- stantly striving to improve its high-quality products, the information contained in this manual is subject to change without notice.
  • Page 5 WHETHER SUCH CLAIM IS BASED ON CONTRACT, WARRANTY, NEGLIGENCE, OR STRICT LIABILITY. In no event shall the responsibility of OMRON for any act exceed the individual price of the product on which liability is asserted. IN NO EVENT SHALL OMRON BE RESPONSIBLE FOR WARRANTY, REPAIR, OR OTHER CLAIMS...
  • Page 6 Application Considerations SUITABILITY FOR USE OMRON shall not be responsible for conformity with any standards, codes, or regulations that apply to the combination of products in the customer's application or use of the products. At the customer's request, OMRON will provide applicable third party certification documents identifying ratings and limitations of use that apply to the products.

  • Page 7: Dimensions And Weights

    Performance data given in this manual 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 users must correlate it to actual application requirements. Actual performance is subject to the OMRON Warranty and Limitations of Liability.

  • Page 8: Safety Precautions

    Indications and Meanings of Safety Information The following precautions and signal words are used to provide information to ensure the safe use of the 3G3JE Inverter. The information provided here is vital to safety. Always observe the precautions provided. Meanings of Signal Words The following signal words are used in this manual.
  • Page 9 Meanings of Alert Symbols The following alert symbols are used in this manual. Symbol Meaning General Caution Indicates non-specific general cautions, warnings, and dangers. Electrical Shock Caution Indicates possibility of electric shock under specific Caution conditions. High Temperature Caution Indicates possibility of burns due to high temperatures under specific conditions.
  • Page 10 Alert Statements in this Manual The following alert statements apply to the products in this manual. Each alert statement also appears at the locations needed in this manual to attract your attention. Caution Be sure to use the specified Braking Resistor or Braking Resistor Unit. Not doing so may occasionally result in moderate burns due to heating of the Braking Resistor or Braking Resistor Unit.

  • Page 11: Precautions For Safe Use

    Precautions for Safe Use Installation and Storage Environment ■ • Do not store, install, or operate the product in any of the following locations. • Locations subject to direct sunlight. • Locations subject to temperatures outside the range specified in the specifications. •...

  • Page 12: Precautions For Correct Use

    Precautions for Correct Use Installation ■ • Mount the product vertically on a wall or on a DIN Track. Leave the prescribed space between this product and the control panel surface and other devices. Main Circuit Power Supply ■ • Use a three-phase, 200 to 230 V, 50/60 Hz power supply. Operation after Power Interruptions ■...
  • Page 13 Warning Label Position ■ • A warning label is pasted on the product as shown in the following illustration. Be sure to follow the instructions given there. Front panel Warning label Contents of Warning ■...

  • Page 14: Checking Before Unpacking

    Checking Before Unpacking Checking the Product ■ On delivery, always check that the delivered product is the 3G3JE Inverter that you ordered. Should you find any problems with the product, immediately contact your nearest local sales rep- resentative. ● Checking the Nameplate...

  • Page 15: Checking The Accessories

    Checking the Accessories ■ An Instruction Manual is the only accessory provided with the 3G3JE. Set screws and other nec- essary parts must be provided by the user. XIII...
  • Page 16 About this Manual This manual is divided into the chapters described in the following table. Understanding how informa- tion is organized will enable you to use the manual more efficiently. Chapter Contents Chapter 1 Describes Inverter features and nomenclature. Overview Chapter 2 Provides dimensions, installation methods, peripheral device design Design...

  • Page 17: Table Of Contents

    Table of Contents Chapter 1. Overview ........1-1 Functions .
  • Page 18 Table of Contents...

  • Page 19: Chapter 1. Overview

    Chapter 1 Overview Functions Nomenclature...

  • Page 20: Functions

    • Easy torque adjustment according to load torque characteristics. • Replaceable cooling fan. • Standard models include an interface for connecting to time-shared proportional pulse output, enabling direct connection to digital controllers or temperature controllers. • Models with RS-485 communications support the CompoWay/F OMRON communications protocol.

  • Page 21: Nomenclature

    AC power supply resistor Terminal block R/L1 S/L2 T/L3 B1 B2 cover Hz set Data display 8.8.8 Hz out Simplified-LED indicators Easy Speed Digital Operator 3G3JE INVE RTE R Operation keys Motor Terminal block U/T1 V/T2 W/T3 cover Mounting hole...
  • Page 22 Overview Chapter 1 Digital Operator Part Names ■ Name Function Data display Displays relevant data, such as the frequency reference, output frequency, out- put current, parameter set values, and accumulated operating time. Hz set Frequency ref- Lit when the data display shows the frequency reference. erence Hz out Output fre-...

  • Page 23: Chapter 2. Design

    Chapter 2 Design Installation Wiring...
  • Page 24 Design Chapter 2 Caution Be sure to use the specified Braking Resistor or Braking Resistor Unit. Not doing so may occasionally result in moderate burns due to heating of the Braking Resistor or Braking Resistor Unit. When using a Braking Resistor or Braking Resistor Unit, be sure to install a thermal relay to monitor the resistor temperature.
  • Page 25 Chapter 2 Design Transporting, Installation, and Wiring ■ • Always use the original shipping box when transporting the Inverter. • Do not apply excessive shock to the Inverter or drop the Inverter. The Inverter may malfunction or may be damaged. •...

  • Page 26: Installation

    Design Chapter 2 Installation 2-1-1 Dimensions ● 3G3JE-A2001/-A2002/-A2004: Three-phase 200-V AC Input 123.3 Panel Mounting Dimensions (including 0.3 for height of raised characters) 4.5 dia. or M4 3-Phase Braking AC power supply resistor R/L1 S/L2 T/L3 B1 B2 Hz set...
  • Page 27 Inverter capacity Model 0.1 kW 3G3JE-A2001 3G3JE-A2001N 10 mm 3G3JE-A2001-FLK 3G3JE-A2001N-FLK 0.2 kW 3G3JE-A2002 3G3JE-A2002N 10 mm 3G3JE-A2002B 3G3JE-A2002BN 3G3JE-A2002B-FLK 3G3JE-A2002BN-FLK 0.4 kW 3G3JE-A2004 3G3JE-A2004N 10 mm 3G3JE-A2004B 3G3JE-A2004BN 3G3JE-A2004B-FLK 3G3JE-A2004BN-FLK 100 mm min. Inverter Inverter Inverter Side 100 mm min.

  • Page 28: Wiring

    Multi-step speed reference 0 ALM (+) Load Multi-step speed reference 1 ALM (−) Forward/stop STA (+) Reverse/stop Load STA (−) SC/24 VDC 3G3JE Inverter ■ Communications Models Braking Resistor (option) (See note 2.) Three-phase MCCB 200 to 230 V AC R/L1 U/T1 S/L2...

  • Page 29: Terminal Block

    Chapter 2 2-2-2 Terminal Block Terminal Arrangement ■ Main circuit input terminals Hz set Hz out OMRON EasySpeed 3G3JE INVERTER Control circuit terminals Main circuit output terminals Arrangement of Main Circuit Input Terminals ■ Braking Resistor Power supply input connection R/L1...

  • Page 30: Main Circuit Terminals

    V/T2 W/T3 Between B1 and B2: Braking Connect between B1 and B2 to connect a Braking Resistor or a Resistor connection terminals Braking Resistor Unit. (3G3JE-A2@@@B models with braking resistor control only) Control Circuit Terminals for Standard Models ■ Symbol...
  • Page 31 Chapter 2 Design Note If P11 (Frequency reference selection) is set to T.C (Temperature controller time-shared pro- portional pulses), multi-step speed reference 0 (SS0) will be the temperature controller time- proportional pulse input and multi-step speed reference 1 (SS1) will be ignored. Control Circuit Terminals for Communications Models ■...

  • Page 32: Main Circuit Connection Diagram

    Recom- MCCB screw tightening mended wire capacity torque (N·m) size (mm 3G3JE-A2001 R/L1, S/L2, T/L3, B1, B2, M3.5 0.8 to 1.0 0.75 to 2 3 to 5 U/T1, V/T2, W/T3 3G3JE-A2002 R/L1, S/L2, T/L3, B1, B2, M3.5 0.8 to 1.0 0.75 to 2...
  • Page 33 • For the MCCB's time characteristics, be sure to consider the Inverter's overcurrent protection (one minute at 150% of the rated output current). • A sequence that turns OFF the power supply using the alarm (ALM) output of the 3G3JE can be made as shown in the following diagram.
  • Page 34 Braking Resistor Unit overheats. Not doing so may result in fire. • Braking Resistor: Use thermal relay output for temperature monitoring. • Braking Resistor Unit: Use the Unit's fault contact output. 3G3JE Three-phase MCCB Inverter 200 to 230 V AC...
  • Page 35 For EMC compliance 3G3EV-PLNFD2103DY 3G3JV-PRS2010J Note Noise filters not designed for Inverters are less effective and may not reduce noise. MCCB Inverter input Three-phase side 3G3JE Noise Filter 200 to 230 V AC Inverter (See note.) MCCB Other control device Wiring the Output Side of the Main Circuit Terminals ■...
  • Page 36 Installing a Noise Filter on the Output Side Connect a noise filter to the output side of the Inverter to reduce radio noise and induction noise. Three-phase MCCB 200 to 230 V AC 3G3IV-PLF310KA 3G3JE Noise Filter Inverter Inductive noise Radio noise Signal line...
  • Page 37 • Install noise filters on both input and output sides, and also install the Inverter in a totally enclosed steel box. Metal box MCCB 3G3IV-PLF310KA Three-phase 3G3IV-PLF310KA 3G3JE Noise Filter 200 to 230 V AC Noise Filter Inverter ● Cable Length between Inverter and Motor We recommend always keeping the wiring distance between the Inverter and motor to 50 m or less.

  • Page 38: Wiring Control Circuit Terminals

    Chapter 2 Design 2-2-4 Wiring Control Circuit Terminals Control Circuit Terminal Connections ■ • Use insulated wiring with a temperature rating of 80 ° C min. for control circuit terminals. • A control signal line must be 50 m maximum and separated from power lines. •...
  • Page 39 Design Chapter 2 1. When connecting one solderless terminal to each terminal, use the following size Terminal Tightening Wire Solderless terminal Insulating Recommended screw size torque sleeve solderless terminal size (mm (N·m) model (Mfd. by Phoenix Contact) 0.5 to 0.6 Stranded 0.25 to 1.5 With/without...
  • Page 40 Chapter 2 Design Control Circuit Input Terminal Connection Examples Using Internal 24- ■ V Power Supply for Models with PNP Input Connecting to Relay Circuits ● Standard Models Communications Models 24 VDC RS-485 (+) RS-485 (+) RS-485 (−) RS-485 (−) 24 VDC ●...
  • Page 41 Chapter 2 Design Control Circuit Input Terminal Connection Examples Using External 24- ■ V Power Supply for Models with PNP Input ● Connecting to Relay Circuits Standard Models Communications Models 24 VDC RS-485 (+) RS-485 (+) RS-485 (−) RS-485 (−) 24 VDC 24 VDC 24 VDC...
  • Page 42 Chapter 2 Design ● Connecting to NPN Transistors Standard Models Communications Models 24 VDC RS-485 (+) RS-485 (+) 2 SS0 RS-485 (−) RS-485 (−) 24 VDC 24 VDC 24 VDC Control Circuit Input Terminal Connection Examples Using Internal 24- ■ V Power Supply for Models with NPN Input ●...
  • Page 43 Design Chapter 2 ● Connecting to NPN Transistors Standard Models Communications Models RS-485 (+) RS-485 (+) 2 SS0 RS-485 (−) RS-485 (−) 24 VDC Control Circuit Input Terminal Connection Examples Using External 24- ■ V Power Supply for Models with NPN Input ●...
  • Page 44 Design Chapter 2 Connecting to PNP Transistors ● Standard Models Communications Models RS-485 (+) RS-485 (+) RS-485 (−) RS-485 (−) 24 VDC 24 VDC 24 VDC ● Connecting to NPN Transistors Standard Models Communications Models RS-485 (+) RS-485 (+) 2 SS0 RS-485 (−) RS-485 (−) 24 VDC...
  • Page 45 Chapter 2 Design Control Circuit Output Terminal Connection Examples ■ ● Connecting Sinking Outputs Load (−) ● Connecting Sourcing Outputs Load (−) 2-23...
  • Page 46 2-2-5 Connecting to a Digital Controller or Temperature Controller The 3G3JE provides an interface for connecting to the time-shared proportional pulse output of a digital controller or temperature controller, so frequency references can be used when these devices are used.
  • Page 47 Note When connecting to a digital controller or temperature controller with a voltage output, use a 3G3JE model with a PNP input. If a model with an NPN input is used, the power supply may be short-circuited depending on the insulation method between the controller’s voltage output sec- tion and the power supply for other control input circuits.
  • Page 48 Chapter 2 Design Connecting to a Digital Controller or a Temperature Controller with a ■ Relay Output for Models with PNP Input Connect the controller to multi-step speed reference 0 (SS0) terminal. The multi-step speed refer- ence 1 (SS1) terminal input will be disabled. ●...
  • Page 49 Design Chapter 2 ● Control Circuit Input Terminal Connection Examples Using External 24-V Power Supply Example 1 24 VDC Digital Controller 2 SS0 24 VDC Example 2 24 VDC Digital Controller 2 SS0 24 VDC 2-27...
  • Page 50 Chapter 2 Design Example 3 24 VDC 2 SS0 Digital Controller 24 VDC Connecting to a Digital Controller or a Temperature Controller with a ■ Relay Output for Models with NPN Input Connect the controller to multi-step speed reference 0 (SS0) terminal. The multi-step speed refer- ence 1 (SS1) terminal input will be disabled.
  • Page 51 Chapter 2 Design Example 2 Digital Controller 2 SS0 ● Control Circuit Input Terminal Connection Examples Using External 24-V Power Supply Example 1 Digital Controller 2 SS0 24 VDC 2-29...
  • Page 52 Chapter 2 Design Example 2 Digital Controller 2 SS0 24 VDC Example 3 2 SS0 Digital Controller 24 VDC 2-30...
  • Page 53 Note When connecting to a digital controller or temperature controller with a voltage output, use a 3G3JE model with a PNP input. If a model with an NPN input is used, the power supply may be short-circuited depending on the insulation method between the controller’s voltage output sec- tion and the power supply for other control input circuits.
  • Page 54 Chapter 2 Design ● Control Circuit Input Terminal Connection Examples Using Internal 24-V Power Supply Example 1 24 VDC Digital Controller 2 SS0 12/24 V OUT Example 2 24 VDC Digital Controller 2 SS0 12/24 V OUT 2-32...
  • Page 55 Chapter 2 Design ● Control Circuit Input Terminal Connection Examples Using External 24-V Power Supply Example 1 24 VDC Digital Controller 2 SS0 12/24 V OUT 24 VDC Example 2 24 VDC Digital Controller 2 SS0 12/24 V OUT 24 VDC 2-33...
  • Page 56 2-2-6 Harmonics Suppression in General-purpose Inverters (Input Current of 20 A Maximum) When equipped with the AC Reactor specified in section 5-2-5, the 3G3JE meets the harmonic sup- pression guideline for general-purpose inverters (inverters with an input current of 20 A maximum) issued by the Japan Electronic Device Industrial Council (JEDIC).
  • Page 57 Chapter 2 Design ● Calculating the Equivalent Capacity per Inverter The equivalent capacity for an inverter is calculated as follows: Equivalent capacity = Inverter’s rated input capacity (Pi) x Coefficient Here, the Inverter’s rated input capacity (Pi) is calculated based on the rated capacity of the appli- cable motor, as shown in the following table.
  • Page 58 The maximum equipment operating rate is the ratio of the total capacity of the devices emitting harmonic current to the maximum capacity of the equipment when operating. The maximum ca- pacity of the equipment when operating is the average value over a 30-minute period. 3G3JE Harmonic Current Countermeasures ■ ●...

  • Page 59: Conforming To Ec Directives

    OMRON products are designed for compliance with related EMC standards so that they can be more easily built into other devices or the overall machine. The 3G3JE has been checked for conformity to EN 61800-3 when the following installation and wiring methods are used. EMC-related performance...
  • Page 60 SELV circuit SELV circuit Control circuit terminal ● Precaution on Models with NPN Input (3G3JE-A2@@@N) NPN circuits cannot be used for safety circuits. Therefore, models with an NPN input cannot be used for safety circuits specified in EN/IEC 60204-1. 2-38...
  • Page 61 Chapter 3 Operation Key Operation Flowchart Procedure for Test Run Performing a Test Run RUN Mode Adjustment Mode Initial Settings Mode...
  • Page 62 Chapter 3 Operation Precautions for Safe Use Operation ■ • This Inverter can be set to operate from low speed to high speed. Operate the Inverter only after sufficiently confirming the allowable range for the motor installation being used. Precautions for Correct Use Operation after Power Interruptions ■...
  • Page 63 Chapter 3 Operation Key Operation Flowchart Power ON All the indicators light when the power is turned ON. (Key operations are disabled.) Press the Enter Key for at least 1 s. Press the Mode Key for at least 1 s. Mode can be change during RUN Mode Mode can be change...
  • Page 64 Chapter 3 Operation Procedure for Test Run 1. Installation and Mounting Install the Inverter according to the installation conditions. Refer to page 2-4. • Make sure that the installation conditions are met. 2. Wiring and Connection Connect to the power supply and peripheral devices. Refer to page 2-6. •...
  • Page 65 • Check that the power supply is of the correct voltage and that the power input terminals (R/L1, S/ L2, and T/L3) are connected correctly. • 3G3JE-A2@: Three-phase 200 to 230 V AC • Make sure that the motor output terminals (U/T1, V/T2, and W/T3) are connected to the motor cor- rectly.

  • Page 66: Chapter 3. Operation

    Chapter 3 Operation • Parameter initialization is executed using P20 (parameter initialization) in the initial settings mode. Key sequence Indicator Display example Description None @ Hz set The entire display and simplified-LED indicators will light (except for the COM indicator) when the 10.0 power supply is turned ON.
  • Page 67 Chapter 3 Operation Key sequence Indicator Display example Explanation None Press the Mode Key for at least 1 s to move to Ini- tial Settings Mode. 1 s min. None Use the Increment or Decrement Key to display p01. None Press the Enter Key to display the value currently set in P01.

  • Page 68: Actual Load Operation

    Chapter 3 Operation Stopping the Motor ■ • When finished operating the motor in the no-load state, press the STOP/RESET Key. The motor will stop. Key sequence Indicator Display example Explanation @ RUN Press the STOP/RESET Key to stop the motor. STOP 20.0 The @ RUN indicator will go out and the motor...

  • Page 69: Run Mode

    Chapter 3 Operation RUN Mode 3-4-1 Run/Stop Command Set P01 in the initial settings mode to the rated current given on the motor’s nameplate before opera- tion. Setting the rated current correctly will protect the motor from burning due to an overload. For details on the procedure, refer to 3-6-1 Setting the Rated Motor Current.

  • Page 70: Setting The Frequency Reference

    Chapter 3 Operation 3-4-2 Selecting the Item to be Displayed Changing the Display Item ■ • The Mode Key can be pressed to change the display item in the order shown below. • The display item can be change during operation or when operation is stopped. Display Indicator Display...
  • Page 71 Chapter 3 Operation Key sequence Indicator Display example Explanation @ Hz set The entire display and simplified-LED indicators will light (except for the COM indicator) when the power supply is turned ON. The present fre- 60.0 quency reference will be displayed on the data display.

  • Page 72: Adjustment Mode

    Chapter 3 Operation Adjustment Mode • Switching from RUN mode to adjustment mode is possible at any time by pressing the Enter Key for 1 second or longer. • Switching from adjustment mode back to RUN mode is possible by pressing the Enter Key for 1 second or longer when any of the following adjustment items is being displayed: SP1 to SP4, ACC, DEC, or LOD.

  • Page 73: Setting Acceleration And Deceleration Times

    Chapter 3 Operation Setting Frequency References 1 to 4 ■ Key sequence Indicator Display example Explanation None @ Hz set The entire display and simplified-LED indicators will light (except for the COM indicator) when the power supply is turned ON. The present fre- quency reference will be displayed on the data display.
  • Page 74 Chapter 3 Operation (Hz) (Hz) 100% Maximum output frequency (P06) 100% Acceleration time Deceleration time Acceleration time Changes during operation Setting range 0.1 to 999 (s) Setting unit 0.1 s Default setting 10.0 Deceleration time Changes during operation Setting range 0.1 to 999 (s) Setting unit 0.1 s Default setting 10.0...
  • Page 75 3-5-3 Selecting the Application (Setting V/f Patterns) • Set the V/f pattern so that the motor output torque is adjusted to the required load torque. • With the 3G3JE, either of the two patterns below can be selected as the pattern for V/f characteris- tics.
  • Page 76 Chapter 3 Operation Setting the Application Selection ■ Key sequence Indicator Display example Explanation None @ Hz set The entire display and simplified-LED indicators will light (except for the COM indicator) when the power supply is turned ON. The present fre- quency reference will be displayed on the data display.

  • Page 77: Initial Settings Mode

    Chapter 3 Operation Initial Settings Mode • It is always possible to change from the RUN mode or adjustment mode to the initial settings mode by pressing the Mode Key for at least one second while the motor is stopped. •...

  • Page 78: Dc Injection Braking Function

    Chapter 3 Operation • Motor overload (E03) detection is disabled by setting the parameter to 0.0. Rated motor current Changes during operation Setting range 0.0 to 2.5 (A) Setting unit 0.1 A Default setting See note. Note The default setting for this parameter is the common rated current of the maximum applicable motor.
  • Page 79 Chapter 3 Operation DC Braking Operation Output frequency DC injection braking frequency (P03) Time (P04) (P05) Startup DC injection braking time DC injection braking-to- stop time 3-6-3 Maximum Output Frequency • This parameter functions as a frequency limiter. • Acceleration and deceleration times are defined as the times required to reach the maximum output frequency (P06) from 0 Hz and to reach 0 Hz from the maximum output frequency (P06).
  • Page 80 Chapter 3 Operation Frequency reference lower limit Changes during operation Setting range 0.1 to 120 (Hz) Setting unit 0.1 Hz (See note.) Default setting 3-6-5 Selecting the Processing after Recovery from a Momentary Interruption • Use this parameter to select the processing to be performed when a momentary power interruption occurs.

  • Page 81: Frequency Reference Selection

    • This parameter selects the method for inputting frequency references for the Inverter. • There are three methods for inputting frequency references. Select the method according to the application. Note 3G3JE Communications Models (RS-485) do not have external inputs to select the frequency, so this parameter is not displayed. Frequency reference selection...

  • Page 82: Setting The Carrier Frequency

    Prohibit reverse operation (reverse operation disabled) 3-6-10 Setting the Carrier Frequency • With the 3G3JE, it is possible to switch between two carrier frequencies. • Change the carrier frequency in the following cases. Reduce the carrier frequency to 4 kHz if there are fluctuations in the speed or torque at low speeds or if the wiring distance between the Inverter and motor is excessively long.
  • Page 83 Operation 3-6-12 Motor Accumulated Operating Time • The 3G3JE keeps track of the motor's accumulated operating time. An alarm is output when the motor's total operating time reaches the accumulated operating time standard. This function can be useful in managing the equipment's maintenance periods.
  • Page 84 Chapter 3 Operation ● Setting the Communications Unit Number Sets the Communications unit number Communications unit number Changes during operation Setting range 0 to 99 Default setting ● Setting the Communications Baud Rate Sets the communications baud rate. Communications baud rate Changes during operation Setting range 2.4/4.8/9.6/19.2 (kbps)
  • Page 85 Chapter 3 Operation ● Setting the Communications Parity Sets the communications parity. Communications parity Changes during operation Selected item None/even/odd Default setting Even Selected item Description non (non) None evn (evn) Even odd (odd) 3-25...
  • Page 86 Chapter 3 Operation 3-26...

  • Page 87: Chapter 4. Maintenance Operations

    Chapter 4 Maintenance Operations Protective and Diagnostic Functions Troubleshooting Maintenance and Inspection...
  • Page 88 Maintenance Operations Chapter 4 Caution Do not touch the Inverter terminals while the power is being supplied or for at least one minute after the power has been turned OFF. Doing so may occasionally result in minor injury from electrical shock. Do not remove the fan cover except when replacing the fan.

  • Page 89: Protective And Diagnostic Functions

    Chapter 4 Maintenance Operations Protective and Diagnostic Functions This section describes the fault information output for Inverter protection, motor burning protection, and Inverter internal circuit protection. If a fault occurs, refer to Fault Displays and Corrective Mea- sures on page 4-4 and take suitable corrective measures. Inverter Faults ■...
  • Page 90 Maintenance Operations Chapter 4 Fault Displays and Corrective Measures ■ Fault Fault name and Probable cause Correction display meaning Overcurrent A short-circuit or ground fault has Check and correct the motor occurred at the Inverter output. power cable. The momentary over- current (250% of rated A fault has occurred in the machine.
  • Page 91 Chapter 4 Maintenance Operations Fault Fault name and Probable cause Correction display meaning Main circuit under- Power supply to the Inverter has phase Check the wiring and check voltage loss or the power cable is discon- for loose screws and discon- nected.
  • Page 92 Chapter 4 Maintenance Operations Fault Fault name and Probable cause Correction display meaning Memory fault Internal circuit fault If the fault persists even after the power has been turned A fault was detected in OFF and back ON, then the Inverter's internal replace the Inverter.

  • Page 93: Troubleshooting

    The motor stops during The load may be too big. The 3G3JE has a stall prevention function and acceleration/decelera- automatic torque boost function, but the motor tion or when a load is responsiveness limit may be exceeded if connected.
  • Page 94 Chapter 4 Maintenance Operations The Inverter does not operate or the motor operates only briefly when ■ the Controller power supply is turned OFF. Faulty Sequence ● The motor will not operate if both the Forward/Stop Command (STF) and the Reverse/Stop Com- mand (STR) are input at the same time.
  • Page 95 Chapter 4 Maintenance Operations The motor only rotates in one direction. Problem Probable cause Correction Reverse rotation prohi- If P13 (reverse rotation prohibit To use both forward and reverse rotation, set bition is selected. selection) is set to FWD (prohibit P13 to “F.R.”...
  • Page 96 Chapter 4 Maintenance Operations Controller or AM radio receives noise when Inverter is started. Problem Probable cause Correction Noise derives from Take the measures to prevent Lower the carrier frequency of the Inverter in Inverter switching. noise. Noise can be reduced to P14 to 4 kHz.
  • Page 97 Maintenance Operations Chapter 4 The motor rotates even after Inverter output is stopped. Problem Probable cause Correction The motor rotates even If the motor continues operating at Increase the parameter in P05 for DC injection after Inverter output is low speed, without completely braking-to-stop time or increase the decelera- stopped.

  • Page 98: Maintenance And Inspection

    ON. The maintenance period of the Inverter is described below. Keep this as reference. Note For details regarding maintenance, consult your OMRON representative. • Cooling fan: 5 years Usage Conditions (When mounted as described in the User’s Manual) 40 °...
  • Page 99 Check that the wiring direction is as shown in Fig. 2, and mount the fan with the seal facing out- wards. 6.Replace the fan cover and tighten the mounting screws. The cooling fan replacement is now complete. Replacement Cooling Fan Model (for 3G3JE) ● For details on cooling fan models, refer to 5-2 Option Specifications. 4-13...
  • Page 100 Maintenance Operations Chapter 4 4-14...

  • Page 101: Chapter 5. Specifications

    Chapter 5 Specifications Inverter Specifications Option Specifications...

  • Page 102: Inverter Specifications

    200 V-class Inverters ■ Item Three-phase 200-V AC models A2001 A2002 A2004 (3G3JE) Power Rated supply voltage and frequency Three-phase 200 to 230 V AC at 50/60 Hz supply − 15 to 10% Allowable voltage fluctuation ± 5% Allowable frequency fluctuation Required capacity at facility (kVA) (See note 1.)

  • Page 103: Specifications

    Chapter 5 Specifications Item Three-phase 200-V AC models A2001 A2002 A2004 (3G3JE) Protective Motor protection Protection by electronic thermal functions Instantaneous overcurrent protec- Stops at approx. 250% of rated output current. tion Overcurrent protection Stops in 1 min at approximately 150% of rated output cur- rent.

  • Page 104: Option Specifications

    Product name Model number Description Fan Unit 3G3JE-PFAN2004 Replacement for the existing cooling fan in the Inverter. Replace the cooling fan if it has reached the end of its service life or if a warning of cooling fan failure (E07) is indicated.

  • Page 105: Fan Unit

    Chapter 5 Specifications 5-2-2 Fan Unit 3G3JE-PFAN2004 ■ This is the replacement fan for the cooling fan. Replace the cooling fan if it has reached the end of its service life or if a warning of cooling fan failure (e07) is indicated.

  • Page 106: External Dimensions

    Chapter 5 Specifications External Dimensions ■ (Unit: mm) 5-2-4 Braking Resistor Unit 3G3IV-PLKEB20P7 ■ The Braking Resistor Unit uses a resistor to absorb regenerative energy of the motor to reduce deceleration time. (Usage rate: 10% ED.) Note “Usage rate: 10% ED” indicates that 10% of the operating time of one cycle can be used for braking (deceleration time).
  • Page 107 Chapter 5 Specifications External Dimensions ■ (Unit: mm) Mounting screws: M5 × 3 30 min. Weight: 3.0 kg 5-2-5 AC Reactor 3G3IV-PUZBAB@ (Yaskawa Electric) ■ Connect an AC Reactor to the Inverter to suppress harmonic current gener- ated from the Inverter, or if the power supply capacity is much greater than the Inverter capacity.

  • Page 108: Connection Example

    Chapter 5 Specifications Connection Example ■ AC Reactor MCCB Motor 3G3JE Inverter External Dimensions ■ M: Terminal Nameplate Mounting hole 4-J: Mounting bolt dimensions 5-2-6 EMC-compliant Input Noise Filter 3G3JV-PRS2010J (Rasmi) ■ Be sure to select an optimum Noise Filter from the following so that the Inverter will satisfy EMC directive requirements of the EC Directives.

  • Page 109: Simple Input Noise Filter

    Noise Filter Three-phase MCCB 200 to 230 V AC R/L1 U/T1 S/L2 V/T2 T/L3 W/T3 3G3JE Inverter External Dimensions ■ (Unit: mm) Three, 5 dia. Two, M4 (for Inverter mounting use) 5-2-7 Simple Input Noise Filter ■ 3G3EV-PLNFD2103DY (Yaskawa Electric)

  • Page 110: Output Noise Filter

    Chapter 5 Specifications Applicable Models ■ Inverter Simple Input Noise Filter Voltage Model Model Rated current (A) Weight (kg) Three-phase 3G3JE-A2001/-A2001-FLK/ 3G3EV-PLNFD2103DY 200 V AC -A2002/-A2002B/-A2002B-FLK/ -A2004/-A2004B/-A2004B-FLK 3G3JE-A2001N/-A2001N-FLK/ -A2002N/-A2002BN/-A2002BN-FLK/ -A2004N/-A2004BN/-A2004BN-FLK Connection Example ■ Three-phase input Input Noise Filter MCCB 3-phase...
  • Page 111 Max. applicable motor Inverter capacity (kVA) Model Rated current (A) capacity (kW) 3G3IV-PLF310KA Connection Example ■ Output Noise Filter MCCB 3G3JE Inverter External Dimensions ■ (Unit: mm) Terminal board: TE-5.5M4 7 × 4.5 dia. 4.5 dia. Weight: 0.5 kg 5-11...
  • Page 112 Chapter 5 Specifications 5-12...

  • Page 113: Chapter 6. Parameter Tables

    Chapter 6 Parameter Tables...

  • Page 114: Parameter Tables

    Chapter 6 Parameter Tables Changing between Modes ■ Power ON All the indicators light when the power is turned ON. (Key operations are disabled.) Mode can be change during Mode can be change RUN Mode operation or when stopped. only when stopped. Mode can be change only when stopped.
  • Page 115 Chapter 6 Parameter Tables RUN Mode ■ Name Indicator Data display Setting Default Unit Refer- setting range ence @ Hz set Frequency refer- The frequency reference is dis- 0.0 to 120 10.0 3-10 ence played. Output fre- @ Hz out The output frequency is displayed.
  • Page 116 Chapter 6 Parameter Tables Note The time required to reach the frequency reference from 0 Hz, or to reach 0 Hz from the fre- quency reference, is as follows: Acceleration (deceleration) time = Acceleration (deceleration) time set value × Frequency reference value ÷ Maximum output frequency Initial Settings Mode ■...
  • Page 117 Chapter 6 Parameter Tables Display Name Description Setting Default Unit Refer- range (See setting ence note 1.) Multi-function output Used to select the function of the 0 (0) None 3-21 selection multi-function output terminal. 1 (1) 2 (2) 0: Not allocated. 3 (3) 1: Zero speed (Output turned ON when the output frequency is 0 Hz...
  • Page 118 Chapter 6 Parameter Tables...

  • Page 119: Chapter 7. Appendix

    Chapter 7 Appendix Selecting the Inverter Precautions on Using the Inverter for a Motor...

  • Page 120: Selecting The Inverter

    Appendix Chapter 7 Selecting the Inverter 7-1-1 Selecting the Motor Capacity Before selecting the Inverter, select the motor. To select the proper motor, calculate the load inertia according to the application, and calculate the motor's required capacity and torque. Simple Selection Method: Required Output Calculation ■...
  • Page 121 Chapter 7 Appendix ● Rotary Drive Application: Normal Power P0 (kW) 2π·Tl·Nl −3 × 10 (kW) = 60·η η Motor Tl: Load torque (load axis, N·m) Nl: Load axis speed (r/min) η : Efficiency of transmission mechanism ( η ≤ 1) ■...
  • Page 122 Appendix Chapter 7 Conveyor Example (kg·m M1·D M2·D ⋅ M3·D1 M4·D1 −6 × 10 Jw: Axial inertia (at cylinder, 1 axis, kg·m J1: Cylinder 1 inertia (at cylinder, 1 axis, kg·m J2: Cylinder 2 inertia (at cylinder, 1 axis, kg·m J3: Workpiece inertia (at cylinder, 1 axis, kg·m J4: Belt inertia (at cylinder, 1 axis, kg·m M1: Cylinder 1 weight (kg)
  • Page 123 Chapter 7 Appendix Motor Axis Inertia Conversion Example Load Jw (kg·m = J1 + G (J2 + Jw Load side gear J2 Motor Motor side gear J1 : Motor axis inertia (kg·m Jw: Load inertia (load side gear axis, kg·m J1: Motor side gear inertia (kg·m J2: Load side gear inertia (kg·m Z1: Number of motor-side gear teeth...
  • Page 124 Chapter 7 Appendix Calculating the Motor Axis Load Torque (TL) −3 × 10 (N·m) = F· : Load torque (load axis, N·m) F: External force (N) D: Cylinder diameter (mm) (Generally speaking, the force of friction is F = µ Mg (N). µ...
  • Page 125 Appendix Chapter 7 Calculating the Combined Torque and Effective Torque (r/min) Time 1 cycle (N·m) Time (N·m) Time (N·m) Time • Effective torque T (N·m) Σ (T ·t Σti ·t1 + T2 ·t2 + T3 ·t3 + T4 ·t4 t1 + t2 + t3 + t4 •...
  • Page 126 Chapter 7 Appendix Selecting the Inverter Capacity ■ After selecting the motor, select an Inverter that can start the selected motor. Basically, select an Inverter with a maximum applicable motor capacity equal to the capacity of the selected motor. After selecting the Inverter, verify that it meets the following requirements.

  • Page 127: Precautions On Using The Inverter For A Motor

    V/f pattern. ● Vibration The 3G3JE Series employs high carrier PWM control to reduce motor vibration. When the motor is operated with the Inverter, motor vibration is almost the same as when operated with a commercial power supply.
  • Page 128 Chapter 7 Appendix Using Inverter for Special Motors ■ ● Pole-changing Motor The rated input current of pole-changing motors differs from that of standard motors. Select, there- fore, an appropriate Inverter according to the maximum input current of the motor to be used. Before changing the number of poles, always make sure that the motor has stopped.
  • Page 129 Appendix Chapter 7 Motor Burnout Caused by Insufficient Dielectric Strength of Each ■ Phase of Motor When using the Inverter to control a motor, surge occurs among the phases of the motor when the Inverter's output voltage is switched (PWM). If the dielectric strength of each phase of the motor is insufficient, the motor may burn out.
  • Page 130 Appendix Chapter 7 7-12...

  • Page 131: Revision History

    Revision History A manual revision code appears as a suffix to the catalog number on the front cover of the manual. Cat. No. I547-E1-02 Revision code The following table outlines the changes made to the manual during each revision. Revision code Date Revised content June 2006...
  • Page 132 Revision History...
  • Page 133 Tel: (65) 6835-3011/Fax: (65) 6835-2711 Regional Headquarters OMRON (CHINA) CO., LTD. OMRON EUROPE B.V. © OMRON Corporation 2006 All Rights Reserved. Room 2211, Bank of China Tower, Wegalaan 67-69-2132 JD Hoofddorp In the interest of product improvement, 200 Yin Cheng Zhong Road, specifications are subject to change without notice.

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