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INVT GD270-030-4 User Manual

INVT GD270-030-4
336 pages
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Table of Contents

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INVT GD270-030-4 Specifications

General IconGeneral
Power30kW
Rated Power30kW
Rated Current60A
Protection LevelIP20
Applicable Motor Power30kW
Cooling MethodAir cooling

Summary

Preface

Safety definition

Defines safety terms like Danger, Warning, and Note for proper equipment operation.

Warning

Highlights conditions that can cause severe injury or death and advises on prevention.

1 Safety precautions

1.2 Safety definition

Provides definitions for safety terms like Danger, Warning, and Note.

1.3 Warning

Lists warning symbols and their meanings to prevent dangers.

1.4 Safety guidelines

Provides essential guidelines for safe operation, installation, and maintenance.

2 Quick startup

2.6 Basic commissioning

Guides through the essential commissioning steps before VFD use.

3 Product overview

3.2 Basic principles

Explains the fundamental working principles of the VFD.

3.3 Product specifications

Details the technical specifications of the VFD.

3.6 Product ratings

Provides the electrical ratings for different VFD models.

4 Installation guidelines

4.2 Mechanical installation

Covers aspects of mechanical installation, including environment and mounting.

4.3 Standard wiring of the main circuit

Details the main circuit wiring diagrams and procedures.

4.4 Standard wiring of the control circuit

Explains the wiring diagrams and procedures for the control circuit.

4.5 Wiring protection

Describes protective measures for VFD wiring against short circuits and overloads.

5 Basic operation guidelines

5.2 Keypad introduction

Explains the VFD keypad components and their functions.

5.3 Keypad display

Explains how to display parameters and status on the keypad.

5.3.3 Displaying fault alarms

Describes how to view fault alarms and indicators.

5.3.4 Editing function codes

Guides on how to enter and edit function codes and parameters.

5.4 Operation procedure

Provides step-by-step procedures for operating the VFD.

5.4.1 Modifying function codes

Details how to modify function codes through the VFD menu.

5.4.2 Setting a password for the VFD

Explains how to set and manage the VFD user password.

5.5.2 Common commissioning procedure

Outlines the standard procedure for VFD commissioning.

5.5.3 Vector control

Explains the vector control technology for driving motors.

5.5.4 Space voltage vector control mode

Details the space voltage vector control mode and V/F curves.

5.5.5 Torque control

Explains the VFD's torque control capabilities and limitations.

5.5.6 Motor parameters

Guides on setting and autotuning motor parameters for optimal performance.

5.5.7 Start/stop control

Describes the different start/stop modes and logic diagrams.

5.5.8 Frequency setting

Explains various frequency reference modes and their settings.

5.5.9 Analog input

Details the configuration of analog input terminals AI1, AI2, and HDIA.

5.5.10 Analog output

Explains the configuration of analog output terminals AO0 and AO1.

5.5.11 Digital input

Describes the functions of programmable digital input terminals.

5.5.12 Digital output

Explains the configuration of relay and open collector output terminals.

5.5.13 Simple PLC

Details the VFD's built-in Simple PLC function for multi-step control.

5.5.14 Multi-step speed running

Explains how to set up and use multi-step speed running.

5.5.15 PID control

Provides an introduction to PID control principles and methods.

Proportional control (Kp)

Details the proportional gain (Kp) parameter for PID control.

Integral time (Ti)

Explains the integral time (Ti) parameter for PID control.

5.5.15.2 How to fine-tune PID

Provides methods for fine-tuning PID parameters to optimize performance.

5.5.20 Fault handling

Provides information on how to handle VFD faults.

6 Function parameter list

6.2 Function parameter list

Details the organization and content of the function parameter tables.

7 Troubleshooting

7.2 Indications of alarms and faults

Explains how VFD alarms and faults are indicated.

7.3 Fault reset

Describes methods for resetting VFD faults.

7.5 Faults and solutions

Provides a systematic approach to diagnosing and resolving VFD faults.

7.5.1 Faults and solutions

Lists common faults, their causes, and corresponding solutions.

7.6 Analysis on common faults

7.6.1 Motor fails to work

Troubleshooting steps for when the motor does not operate.

7.7 Countermeasures on common interference

8 Maintenance

9 Communication

9.4 RTU command code and communication data

Details the RTU command codes for VFD communication.

9.5 Common communication faults

Lists common communication faults and their possible causes.

Appendix A Expansion card

Appendix B Technical data

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