Fafeicy 8 Channel Relay Module, Relay Controller Ethernet Network Relay Module Remote Control Relay Device for Ethernet to RS485

Specification: Control the first relay Send: on1 Return: on1 Turn off the first relay Send: off1 Return: off1 The command format is on and off followed by the relay channel, and the 2-8 control is the same as above. Control all relays Send: all00000011 Return: relay00000011 All is to control all relay commands, the latter 8 channels control, 1 means pull-in, 0 means to loosen the above command ...