Saftronics VG520P4 Technical Manual

Provides full-current vector control based on advanced control logic, vg5 series
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VG5
TECHNICAL MANUAL
REV2 (9/98)
P/N 027-2040
1998

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Summary of Contents for Saftronics VG520P4

  • Page 1 TECHNICAL MANUAL REV2 (9/98) P/N 027-2040 1998...
  • Page 2 Saftronics. No patent liability is assumed with respect to the use of the information contained herein. Moreover, because Saftronics 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.
  • Page 3: Safety Information

    The warning symbols for ISO and JIS standards are different, as shown below. The ISO symbol is used in this manual. Both of these symbols appear on warning labels on Saftronics products. Please abide by these warning labels regardless of which symbol is used.
  • Page 4 Do not connect AC power to output Terminal T1, T2, and T3 (U, V, and W). The interior parts of the Inverter will be damaged if voltage is applied to the output terminals. Firmware – S1043 Revision: 2 (9/98) © Saftronics, Inc.
  • Page 5 You must, however, you must set the power supply voltage jumper for 400 V class Inverters of 18.5 kW or higher (See Chapter 5, 5.2.4 Setting Input Voltage). Firmware – S1043 Revision: 2 (9/98) © Saftronics, Inc.
  • Page 6 Do not change the wiring, or remove connectors or the Digital Operator, during operation. Doing so can result in personal injury. § Other WARNING • Do not attempt to modify or alter the Inverter. Doing so can result in electrical shock or injury. Firmware – S1043 Revision: 2 (9/98) © Saftronics, Inc.
  • Page 7 How to Change the Digital Operator Display from Japanese to English If the Digital Operator displays messages in Japanese, change to the English mode using the following steps. (This manual provides descriptions for the English mode.) Firmware – S1043 Revision: 2 (9/98) © Saftronics, Inc.
  • Page 8: Table Of Contents

    Modes ......................56 4.2.1 Inverter Modes........................4.2.2 Switching Modes ......................... 4.2.3 User Constant Access Levels ..................... 4.2.4 Operation Mode........................4.2.5 Initialize Mode........................4.2.6 Programming Mode......................4.2.7 Auto-Tuning Mode....................... 4.2.8 Modified Constants Mode ....................Firmware – S1043 Revision: 2 (9/98) © Saftronics, Inc.
  • Page 9 7.3.6 Setting/Adjusting Motor Constants ..................162 V/f Control with PG Feedback................. 165 7.4.1 Energy Saving Control Function..................166 7.4.2 Hunting Prevention Function ....................167 7.4.3 Setting Motor Constants ..................... 168 Firmware – S1043 viii Revision: 2 (9/98) © Saftronics, Inc.
  • Page 10 11.2 Specifications of Options and Peripheral Devices........... 284 Appendix ....................287 12.1 Inverter Application Precautions..............288 12.1.1 Selection ..........................288 12.1.2 Installation..........................288 12.1.3 Settings ..........................288 12.1.4 Handling ..........................289 Firmware – S1043 Revision: 2 (9/98) © Saftronics, Inc.
  • Page 11 Using a JVOP-95-o, -96-o VS Operator ................299 12.4.5 Using an Open-collector Transistor for Operation Signals..........300 12.4.6 Using Open-collector, contact Outputs ................300 12.5 User Constants ..................... 301 INDEX ........................305 Firmware – S1043 Revision: 2 (9/98) © Saftronics, Inc.
  • Page 12: Introduction

    Introduction This chapter provides an overview of the VG5 Inverter and describes its functions and components. Outline and Functions ............ 1.1.1 VG5 Inverter Models................... 1.1.2 Outline of Control Methods................. 1.1.3 Functions ......................Nomenclature ..............1.2.1 VG5 Components ................... 1.2.2 Digital Operator Components................
  • Page 13: Outline And Functions

    VG54055 40550q† 40551q‡ VG54075 40750q† 40751q‡ VG54110 41100q† 41101q‡ VG54160 41600q† 41601q‡ VG54185 41850q‡ — VG54220 42200q‡ — VG54300 43000q‡ — Immediate delivery † Available from factory ‡ Manufactured upon order Firmware – S1043 Revision: 2 (9/98) © Saftronics, Inc.
  • Page 14: Outline Of Control Methods

    Voltage input within a range from 0 to ±10 V (With negative voltages, rotation is in the opposite direction from the run command.) • Current input within the range from 4 to 20 mA • Input from Output Card Firmware – S1043 Revision: 2 (9/98) © Saftronics, Inc.
  • Page 15: Pid Control

    DC Reactors (optional) can be connected to 0.4 to 15 kW models. • Models from 18.5 to 160 kW have a built-in DC reactor. • An optional AC reactor can be connected to Inverters from 185 to 300 kW. Firmware – S1043 Revision: 2 (9/98) © Saftronics, Inc.
  • Page 16 DATA/ENTER key jumps directly to the user constant level; whereas for the advanced access level, which has many user constants, pressing the DATA/ENTER key first leads to the Group level. Figure 1.1 Access Level Structure Firmware – S1043 Revision: 2 (9/98) © Saftronics, Inc.
  • Page 17: Nomenclature

    The appearance of Inverter and the names of its components are shown in Figure 1.2. Figure 1.2 Appearance of VG5, Model VG520P4 (200 V, 0.4 kW, 0.5HP) A 200 V Class Inverter with 0.4 kW Output is shown below with the front cover removed.
  • Page 18: Digital Operator Components

    Two-line LCD that displays data for monitoring, user constants and set values with 16 characters per line. Keys Execute operations such as setting user constants, monitoring, Jog, and Auto-Tuning. Figure 1.4 Digital Operator Component Names and Functions Firmware – S1043 Revision: 2 (9/98) © Saftronics, Inc.
  • Page 19 (o2-02) when operating from the control circuit terminal. Note: Except in diagrams, keys are referred to using the key names listed in the above table. Figure 1.5 RUN and STOP Indicators Firmware – S1043 Revision: 2 (9/98) © Saftronics, Inc.
  • Page 20: Handling Inverters

    Handling Inverters This chapter describes the checks required upon receiving a VG5 Inverter and describes installation methods. Confirmations upon Delivery ......... 10 2.1.1 Nameplate Information ..................Exterior and Mounting Dimensions....... 12 Checking and Controlling the Installation Site..... 14 2.3.1 Installation Site....................2.3.2 Controlling the Ambient Temperature ..............
  • Page 21: Confirmations Upon Delivery

    Are any screws or other components loose? Use a screwdriver or other tools to check for tightness. If you find any irregularities in the above items, contact the agency from which you purchased the Inverter or your Saftronics representative immediately.
  • Page 22: Inverter Specifications

    The Inverter is structured so that the Inverter is shielded from the exterior, and can thus be mounted to the interior wall of a standard building (not necessarily enclosed in a control panel). The protective structure conforms to the standards of NEMA 1 in the USA. Firmware – S1043 Revision: 2 (9/98) © Saftronics, Inc.
  • Page 23: Exterior And Mounting Dimensions

    The following diagram shows a 200 V class, 18.5 kW Inverter. § Mounting Dimensions for 400 V Class Inverters of 185 to 300 kW W5 W6 Max. Applicable Motor Capacity [kW] 185, 220 750 440 750 440 Firmware – S1043 Revision: 2 (9/98) © Saftronics, Inc.
  • Page 24 An attachment is required to mount the cooling fins (fin section) on the outside of the control panel for 200 V/400 V class Inverters of 15 kW or less. Please ask your Saftronics representative for details. Dimensional drawings for models with externally mounted cooling fins and other special requirements are also available from you Saftronics representative.
  • Page 25: Checking And Controlling The Installation Site

    Place a cover over the Inverter during installation to shield it from metal power produced by drilling. Always remove the cover from the Inverter after completing installation. Otherwise, ventilation will be reduced, causing the Inverter to overheat. Firmware – S1043 Revision: 2 (9/98) © Saftronics, Inc.
  • Page 26: Installation Orientation And Space

    Always provide enough space for suspension eyebolts and the main circuit lines when installing a 200 or 400 V class Inverter with an output of 30 kW or more in a panel. Firmware – S1043 Revision: 2 (9/98) © Saftronics, Inc.
  • Page 27: Removing/Attaching The Digital Operator And

    Insert the tab of the upper part of the front cover into the groove of the Inverter and press the lower part of the front cover onto the Inverter until the front cover snaps shut. Firmware – S1043 Revision: 2 (9/98) © Saftronics, Inc.
  • Page 28: Inverters Of 18.5 Kw Or Higher

    The front cover can be removed without removing the Digital Operator from the Inverter provided that the Inverter has an output of 18.5 kW or higher. Loosen the four screws of the front cover and move the front cover slightly upward to remove the front cover. Firmware – S1043 Revision: 2 (9/98) © Saftronics, Inc.
  • Page 29: Wiring

    Wiring This chapter describes wiring terminals, main circuit terminal connections, main circuit terminal wiring specifications, control circuit terminals, and control circuit-wiring specifications. Connections to Peripheral Devices ....... 21 Connection Diagram ............22 Terminal Block Configuration........23 Wiring Main Circuit Terminals ........24 3.4.1 Applicable Wire Sizes and Closed-Loop Connectors........
  • Page 30: Case. Never Short The Output Circuits. Otherwise, Electrical Shock Or Grounding Can Occur

    Do not connect electromagnetic switches or contactors to the output circuits. If a load is connected while the Inverter is operating, surge current will cause the overcurrent protection circuit inside the Inverter to operate. Firmware – S1043 Revision: 2 (9/98) © Saftronics, Inc.
  • Page 31: Connections To Peripheral Devices

    Examples of connections between the VG5 and typical peripheral devices are shown in Figure 3.1. Use this illustration to gain an understanding of the overall equipment configuration. Figure 3.1 Example Connections to Peripheral Devices Firmware – S1043 Revision: 2 (9/98) © Saftronics, Inc.
  • Page 32: Connection Diagram

    The connection diagram of the VG5 is shown in Figure 3.2. When using the Digital Operator, the motor can be operated by wiring only the main circuits. Figure 3.2 Connection Diagram (Model VG527P5 shown above) Firmware – S1043 Revision: 2 (9/98) © Saftronics, Inc.
  • Page 33: Terminal Block Configuration

    160 kW, and DC power cannot be input to these Inverters. Terminal Block Configuration The terminal block for a 200 V class Inverter with an output of 0.4 kW is shown in Figure 3.3. Figure 3.3 Terminal Arrangement Firmware – S1043 Revision: 2 (9/98) © Saftronics, Inc.
  • Page 34: Wiring Main Circuit Terminals

    VG52030 20-10 0.5-5.5 L1, L2, L3, √,  3, T1, T2, T3 1/0 x 2P 38- 100 VG52037 20-10 0.5-5.5 NOTE: The wire thickness is set for copper wires at 75°C. Firmware – S1043 Revision: 2 (9/98) © Saftronics, Inc.
  • Page 35 4/0 x 2P 100-200 VG52075 20-10 0.5-5.5 Control Shielded twisted-pair All models 1 to 33 M3.5 20-16 0.5-2 Circuits wires NOTE: The wire thickness is set for copper wires at 75°C. Firmware – S1043 Revision: 2 (9/98) © Saftronics, Inc.
  • Page 36 L1, L2, L3, √,  1,  2,  3, T1, T2, T3 VG54045 20-10 0.5-5.5 L1, L2, L3, √,  3, T1, T2, T3 38-100 VG54055 20-10 0.5-5.5 200, NOTE: The wire thickness is set for copper wires at 75°C. Firmware – S1043 Revision: 2 (9/98) © Saftronics, Inc.
  • Page 37 0.5- 5.5 200, 1 to 33 M3.5 20-16 0.5-2 Control Shielded twisted- All models Circuits M3.5 20-14 0.5-2 pair wires NOTE: The wire thickness is set for copper wires at 75°C. Firmware – S1043 Revision: 2 (9/98) © Saftronics, Inc.
  • Page 38 (if there is the possibility or excessive voltage drop, use a larger wire suitable to the required length. Line voltage drop (V) = /3 x wire resistance (Ω/km) x wire length (m) x current (A) x 10 Firmware – S1043 Revision: 2 (9/98) © Saftronics, Inc.
  • Page 39: Main Circuit Terminal Functions

    400: 380 to 460 VAC input Cooling fan power input (control 4055 to 4300 power input) Ground 40P4 to 4300 NOTE: Models VG54055 to 4160 do not support DC power input. Firmware – S1043 Revision: 2 (9/98) © Saftronics, Inc.
  • Page 40: Main Circuit Configurations

    The main circuit configurations are shown in Figure 3.4 and Figure 3.5. § 200 V Class VG520P4 to 21P5 (0.4kW to 1.5kW) VG522P2 TO 27P5 (0.75 kW to 5.5 kW) VG52011 to 2015 (11, 15 kW) VG52018 to 2022 (18.5, 22 kW)
  • Page 41: Wiring

    Prewired at the factory. When supplying power to the main circuits from the DC power supply, remove the wiring from R-r and Figure 3.5 400 V Class Inverter Main Circuit Configurations Firmware – S1043 Revision: 2 (9/98) © Saftronics, Inc.
  • Page 42: Standard Connection Diagrams

    Chapter 3: Wiring 3.4.4 Standard Connection Diagrams VG520P4 to 27P5, 40P4 to 4015 VG52011, 2015 Be sure to remove the short-circuit bar before Be sure to remove the short-circuit bar before connecting a DC Reactor. connecting a DC Reactor. VG52018, 2022, 4018 to 4045 VG52030 to 2075 The DC Reactor is built in.
  • Page 43: Wiring The Main Circuits

    Input power supply can be connected to other Terminals L1, L2, and L3 (R, S or T) on the terminal block; the phase sequence of input power supply is irrelevant to the phase sequence. Firmware – S1043 Revision: 2 (9/98) © Saftronics, Inc.
  • Page 44 Install a noise filter to eliminate noise transmitted between the power line and the Inverter. • Wiring Example 1 Figure 3.8 Correct Power Supply Noise Filter Installation • Wiring Example 2 Figure 3.9 Incorrect Power Supply Noise Filter Installation Firmware – S1043 Revision: 2 (9/98) © Saftronics, Inc.
  • Page 45 Alternatively, cables can be routed through a grounded metal pipe to prevent inductive noise. Keeping the metal pipe at least 30 cm away from the signal line considerably reduces inductive noise. Figure 3.11 Countermeasures Against Inductive Noise Firmware – S1043 Revision: 2 (9/98) © Saftronics, Inc.
  • Page 46: Ground Wiring

    Inverter will become unstable. • When using more than one Inverter, be careful not to loop the ground wire. Figure 3.13 Ground Wiring Firmware – S1043 Revision: 2 (9/98) © Saftronics, Inc.
  • Page 47 200 V Class Inverters with 11 kW or higher Output and 400 V Class Inverters with 18.5 kW or higher Output Figure 3.15 Connecting the Braking Resistor Unit and Braking Unit Firmware – S1043 Revision: 2 (9/98) © Saftronics, Inc.
  • Page 48 Connecting Braking Units in Parallel Power Supply Sequence Use a transformer with 200 and 400 V outputs for the power supply of the 400 V Inverter Figure 3.17 Power Supply Sequence Firmware – S1043 Revision: 2 (9/98) © Saftronics, Inc.
  • Page 49: Wiring Control Circuit Terminals

    Table 3.8 Closed-Loop Connectors for Ground Terminal Terminals Terminal Screws Crimp Size Tightening Torque (n - m) 1.25 to 3.5 0.75 1.25 to 3.5 M3.5 1.25 1.25 to 3. 2 to 3.5 Firmware – S1043 Revision: 2 (9/98) © Saftronics, Inc.
  • Page 50: Control Circuit Terminal Functions

    5 V/Inverter’s rated current monitor 2 (H4-04m H4-05) When driving an inductive load, such as a relay coil, always insert a flywheel diode as shown in Figure 3.18. Figure 3.18 Flywheel Diode Connection Firmware – S1043 Revision: 2 (9/98) © Saftronics, Inc.
  • Page 51: Control Circuit Terminal Connections (All Models)

    Factory presets are shown in parentheses. When driving an inductive load, such as a relay coil, always insert a flywheel diode as shown in Figure 3.18. Figure 3.20 Control Circuit Terminal Connections Firmware – S1043 Revision: 2 (9/98) © Saftronics, Inc.
  • Page 52: Control Circuit Wiring Precautions

    Check all of the wiring after wiring has been completed. Do not perform a megger check on control circuits. • Is all wiring correct? • Have any wire clippings, screws, or other foreign material been left? • Are all screws tight? • Are any wire ends contacting other terminals? Firmware – S1043 Revision: 2 (9/98) © Saftronics, Inc.
  • Page 53: Installing And Wiring Pg Speed Option Cards

    4CN position, and snap it into the proper position. Be sure to press it in firmly until you hear it snap into place. Figure 3.22 Installing a PG Speed Option Card Firmware – S1043 Revision: 2 (9/98) © Saftronics, Inc.
  • Page 54: Pg Speed Option Card Terminal Blocks

    Pulse monitor output + terminal Line driver output (RS-422 level output) Pulse monitor output − terminal Shield connection terminal — NOTE: 5 VDC and 12 VDC cannot be used at the same time. Firmware – S1043 Revision: 2 (9/98) © Saftronics, Inc.
  • Page 55: Wiring A Pg Speed Option Card

    Wiring examples are provided in the following illustrations for the PG Speed Option Cards. § PG-A2 (For V/f with PG Feedback Mode Only) 12 V Voltage Input Figure 3.23 Wiring a 12 V Voltage Input Firmware – S1043 Revision: 2 (9/98) © Saftronics, Inc.
  • Page 56 The length of the PG’s wiring must not be more than 100 meters (328 feet). Figure 3.24 Wiring an Open-Collector Input I/O Circuit Configuration Figure 3.25 I/O Circuit Configuration of the PG-A2 Firmware – S1043 Revision: 2 (9/98) © Saftronics, Inc.
  • Page 57: Modes

    When connecting to a voltage-output-type PG, select a PG that has an output impedance with a current of at least 12 mA to the input circuit photocoupler (diode). Figure 3.27 I/O Circuit Configuration of the PG-B2 Firmware – S1043 Revision: 2 (9/98) © Saftronics, Inc.
  • Page 58 The length of the PG’s wiring must not be more than 100 meters (328 feet). • The direction of rotation of the Inverter can be set in user constant F1-05. The factory preset if for forward rotation, A-Phase advancement. Figure 3.29 PG-X2 Wiring Firmware – S1043 Revision: 2 (9/98) © Saftronics, Inc.
  • Page 59: Wiring Pg Speed Option Card Terminal Blocks

    Do not solder wires with the control circuit terminal if wires are used instead of solderless terminals. Wires many not contact well with the control circuit terminals or the wires may be disconnected from the control circuit terminals due to oscillation if the wires are soldered. Firmware – S1043 Revision: 2 (9/98) © Saftronics, Inc.
  • Page 60: Procedure

    Do not solder the wires to the control circuit terminals. The wires may not contact well with the control circuit terminals if the wires are soldered. The end of each wire connected to the control circuit terminals must be stripped for approximately 5.5 mm (0.22 inches). Firmware – S1043 Revision: 2 (9/98) © Saftronics, Inc.
  • Page 61: Selecting The Number Of

    A separate power supply is required if the PG power supply capacity is greater than 200 mA. (If momentary power loss must be handled, use a backup capacitor or other method.) Firmware – S1043 Revision: 2 (9/98) © Saftronics, Inc.
  • Page 62 Chapter 3: Wiring Figure 3.34 PG-X2 Connection Example Firmware – S1043 Revision: 2 (9/98) © Saftronics, Inc.

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