Wecon 20 I/O PLC : LX3V-1208MR Description ◇Power supply: AC85-265V power,D:DC24V power, 20W rated power output◇IO:12xDI/8xDO( Relay-type )◇Port:RS422, RS485,1 BD board supported.◇Protocol: LX3V-1208MR-A(D)1 :1S NO PROTOCOL , LX3V-1208MR-A(D)2 :2N NO PROTOCOL