PLC Communication: Module Type - Communication; Device Type - Serial Network Module; Communication Objective - Interface For Omron Serial Devices, HMIs, Modbus & Host Link; Operation - Exchanges Data by Using Protocol Macro for Automatic Handshaking with Omron CompoWay/F; Communication Port Protocol - Modbus and User-defined Protocol (1) RS-232C, (1) RS-422/RS-485 Port; Backplane Current Load - 380 mA @ 5VDC; Manufacturer Series - CJ1 Series