Relay Module RS485 Isolated 12‑in 12‑out RTU protocol DIN35 PLC Components N4D8C12 12V Item Type: Relay Module Working Current: Standby 14MA, 1 relay conduction 44MA, 2 relay conduction 69MA, 3 relay conduction 95MA, 4 relay conduction 121MA, 5 relay conduction 149MA, 6 relay conduction 175MA, 7 relay conduction 199MA, 8 relay conduction 226MA, etc. 12 photoelectrically isolated input ports (NPN is active at low level), the input and output relationship can be set to associative (default) and non-associative through commands. Open, close, jog, self-lock, interlock, delay, interlock between the two channels, seven working modes RTU command support 03 06 16 function code Under the command, the maximum delay is 255 seconds AT command can be input by serial port super terminal (serial port assistant); Command can be input by "Poll" besides serial port super terminal input In command mode, can support up to 64 devices in parallel Default baud rate is 9600BPS, can be selected through the jumper 2400 4800 19200BPS Size: Approx. 180 x 72 x 20mm / 7.1 x 2.8 x 0.8in(circuit board); Approx. 184 x 88 x 42mm / 7.2 x 3.5 x 1.7in(with rail box) Weight: 190 g / 6.7 oz(approx.)(circuit board) Maximum Load: 10A/250VAC, 10A/125VAC, 10A/30VDC, 10A/28VDC, 10A/12VDC