Enter the parameters below
Pr117 : “1” (Slave.1)
Pr118 : “9600” (Baud rate)
Pr119 : “0” (8bit/Stop bit.1)
Pr120 : “2” (Even bit)
Pr121 : “9999”
Pr122 : “9999”
Pr123 : “9999”
Pr124 : “1”
Pr340 : “1”
Pr549 : “1”
Pr79 : “6” ( External Mode > Last setting )

Physical Connection: Connect the RS-485 communication port of the FR-E720 VFD to the RS-485 port of your Modbus master device using an appropriate RS-485 cable. Ensure proper wiring, including connecting A (positive) and B (negative) signals correctly

Address Configuration: Each FR-E720 VFD connected to the Modbus network must have a unique Modbus address. Refer to the FR-E720 VFD user manual for instructions on setting the Modbus address.

Modbus Function Codes: Understand the Modbus function codes supported by the FR-E720 VFD. These function codes determine the type of operation (e.g., read holding register, write single register) that can be performed on the VFD.

PLC/HMI Configuration: Configure your Modbus master device (e.g., PLC, HMI) to communicate with the FR-E720 VFD using the appropriate Modbus RTU communication parameters and function codes. Set up the communication channels and define the addresses of the VFD parameters you want to read or write.