Specification 1 DC 12V 12V Version DC 24V 24V Version 2 Standby current all relays closed 15MA 1 relay open 85MA 2 relays open 156MA 3relays open 227MA 4relays open 299MA 5relays open 369MA 6relays open 439MA 7relays open 510MA 8relays open 582MA Each relay requires 70MA drive current 3 Old command default open close Momentary Self locking Interlock Delay 6 Commands 4 MODBUS old command default supports 03 06 16 function code 5 MODBUS new command M0 welding supports 01 03 05 06 16 function code 6 MODBUS commands can be made serial HyperTerminal serial assistant OR Modbus Poll Enter 7 Under the MODBUS command mode it can support up to 64 devices in parallel 8 The default baud rate is 9600BPS The baud rate can be set by command 2400 4800 9600 19200 38400 57600 115200BPS 9 The checkmethods can be none parity check even parity check and oddparity check 10 The data sending and returning time can be set with a maximum value of 1000ms 11 Size 310 122 25mm Only PCB Board 320 132 46mm with Din Rail Box 12 Weight 1000g Only PCB Board 1100 with Din Rail Box 13 Maximum load 20A 250VAC 20A 125VAC 20A 30VDC 20A 28VDC 20A 12VDC Features 20A high Current Relay Network port RS485 port Network port reset to factory settings TVS anti surge protection MODBUS RTU Old Command 03 06 16 MODBUS RTU New Command 01 05 03 06 16 Support more baud rates can modify the parity bitApplication PLC IO expansion