The GD20 is a versatile, compact, easy-to-use open-loop inverter with outstanding responsiveness for almost all applications. It also supports Modbus-RTU for intuitive control and monitoring of the inverter.
Today plc247.com will guide you to control the INVT Goodrive 20 inverter with HMI Samkoon SK-070HS (other similar Samkoon HMI models).
Samkoon HMI & INVT GD20 “Connection Diagram”
+ This diagram connects RS485 communication between Samkoon HMI and INVT Goodrive 20 inverter.
INVT Goodrive 20 Modbus Parameters Setting
To be able to control the INVT GD20 inverter using the Modbus-RTU protocol, 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 8bit/Even/stop bit = 1)
- P14.03: 5
- P14.04: 0.0
INVT GD20 Modbus Registers Address
>>> VFD Control Address = 2000 (hex) = 8192 (dec)
+ Set Word “8192” = 1 >>> Forward Run
+ Set Word “8192” = 2 >>> Reverse Run
+ Set Word “8192” = 5 >>> Stop
>>> Frequency Setting Address = 2001 (hex) = 8193 (dec)
- Output Frequency Address = 3000 (hex) = 12288 (dec)
Output Voltage Address = 3003 (hex) = 12291 (dec)
Output Current Address = 3004 (hex) = 12292 (dec)
Samkoon HMI “Modbus-RTU” Configuration
We need to set the communication parameters of HMI and VFD exactly the same
HMI Programming
+ Control Panel
+ “Set Frequency” Command
+ “Forward Run” Command
+ “Reverse Run” Command
+ “Stop” Command
+ Frequency Monitoring
+ Current Monitoring
+ Voltage Monitoring
Project Video Tutorial
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Related Software and Documents
+ Download HMI Samkoon Programming Software
+ INVT Goodrive 20 Manual PDF Download
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