8 DO RS485 Modbus Module

8 DO Module 8 Relay 220V 10A RS485 Modbus Test Software Demo Source Code

Working voltage: DC 12V
Working current:  50MA when 1 relay is ON , 8 relay all ON conduction is 0.4A
MODBUS rtu control mode
MODBUS command also can be send by "Modbus Poll" or use the software customized.
Maximum load: 10A / 250VAC
Serial port parameters: 9600 N 8 1