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Delta HMI “Modbus RTU” INVT GD20 Inverter Tutorial

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GD20 inverter is a popular inverter series of INVT that controls light to medium loads with power from 0.4kW to 110kW. Products are widely used in textile machinery, food machinery, printing and packaging, environmental protection equipment, equipment, woodworking equipment, transportation equipment and other industries.

Today will guide you to use Delta HMI DOP-107EV to control INVT Goodrive-20 via Modbus RTU, INVT Goodrive-20 inverter has a built-in RS485 Port.

HMI Delta & INVT GD20 Inverter “Wiring Diagram”

Below is the connection diagram between HMI and VFD

INVT Goodrive 20 Modbus Parameters Setting

To be able to control the INVT GD20 inverter by Mobbus, we need to set the following communication parameters

  • P00.01: 2 (Frequency Reference via RS485)
  • P00.06: 8 (Motor Control via RS485)
  • P00.09: 0 (A Frequency Selection)
  • P14.00: 1 (Slave Address: 1)
  • P14.01: 3 (9600bps)
  • P14.02: 1 (Modbus RTU 8/E/1)
  • P14.03: 5
  • P14.04: 0.0
INVT Goodrive20 Modbus Registers Address

>>> Motor Control Address = 2000 (Hex)

+ Set Word 2000 = 1 >>> Forward Run
= 2 >>> Reverse Run
= 5 >>> Stop

>>> Set Frequency Address = 2001 (Hex)

+ Output Frequency Address = 3000 (Hex)

+ Setting Frequency Address = 3001 (Hex)

+ DC-BUS Voltage Address = 3002 (Hex)

+ Output Volatge Address = 3003 (Hex)

+ Output Current Address = 3004 (Hex)

Delta DOP-107EV Modbus Configuration

How have you set the communication parameters for INVT GD20 Inverter, the settings for DOP-107EV are the same.

HMI Programming

+ Main Panel Design

+ Set Frequency Command

+ Motor Control Command

+ Data Monitoring

Project Video Tutorial


Related Software and Documents

+ Delta HMI Programming Software Download
+ INVT Goodrive 20 Manual PDF Download

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