RS485 Relay Module 8 Input 8 Output DIN35 Rail Box PLC Expansion Board Components N4D8B08-R 12V Item Type: RS485 Relay Module Working Current: Standby 13MA, 1 relay conduction 41MA, 2 relay conduction 69MA, 3 relay conduction 95MA, 4 relay conduction 121MA, 5 relay conduction 149MA, 6 relay conduction 175MA, 7 relay conduct 199MA, 8 relay conduct 225MA 8 photoelectrically isolated input ports (NPN is active at low level). The input/output relationship can be set to associated (default) and non-associated through commands Open, close, jog, self-lock, interlock, and delay six working modes Instruction support 03 06 16 function code The maximum delay under instruction is 255 seconds AT commands can be input by the serial port super terminal (serial assistant); Commands can also be input by other way in addition to the serial port super terminal input In command mode, up to 64 devices can be used in parallel The default baud rate is 9600BPS, you can select the baud rate 2400 4800 19200 BPS through the jumper