Rail Box Relay 8 Input 8 Output Module DIN35 PLC Expansion Board with Shell RS485 12V Item Type: Rail Box RelayWorking Voltage: 12V Working Current: Standby 13MA 1 Relay Conducts: 41MA 2 Relay Conducts: 69MA 3 Relay Conducts: 95MA 4 Relay Conducts: 121MA 5 Relay Conducts: 149MA 6 Relay Conducts: 175MA 7 Relay Conducts: 199MA 8 Relay Conducts: 225MA 8 photoelectrically isolated input ports (NPN is active at low level), and the input/output relationship can be set to associated (default) and non-associated through commands. Working Mode: Open, close, jog, self-lock, interlock, delay (6 types) AT commands can be input by the serial port super terminal (serial port assistant) The Default Baud Rate: 9600BPS, you can select the baud rate 2400 4800 19200 BPS through the jumper.