INVT GD20-2R2G-4-EU User Manual

General safety guidelines for VFD operation, wiring, and maintenance.

Detailed technical specifications of the VFD, including power input and voltage.

Table listing rated specifications for various VFD models, including STO function.

Steps and requirements for physically installing the VFD.

Guidelines for standard wiring of the VFD, including main circuit diagrams.

Wiring diagrams for the main circuit of the VFD, showing connections for different configurations.

Detailed wiring diagram for the VFD's control circuit.

Explanation of the Safe Torque Off (STO) function and its reference standards.

Step-by-step guide to modifying VFD function codes through the menu structure.

Parameters related to basic VFD functions like speed control mode and run command channel.

Parameters for controlling VFD start-up and stop modes, including DC braking.

Parameters for configuring motor properties such as rated power, frequency, and speed.

Parameters for vector control mode, including speed loop gains and integral times.

Parameters for SVPWM control, including V/F curve settings.

Configuration of input terminals for HDI, digital inputs, and STO function.

Configuration of output terminals (Y1, Relay RO1, RO2) and polarity selection.

Parameters related to the keypad interface, including user password and parameter copy.

Monitoring parameters for VFD fault codes (present, last, etc.).

General steps for resolving VFD faults and alarms.

A table listing common fault codes, possible causes, and solutions.

Overview of the Modbus protocol, its modes, and network structure.

How the VFD applies Modbus protocol, focusing on RS485 communication.

Explanation of the RTU communication mode and frame format.

Explanation of the ASCII communication mode and data format.

Illustration of command codes and communication data for RTU mode.