Ethernet Communication Module IFD9506 1. Serial slave mode (Used when the communication protocol is Modbus TCP): The instruction sent from the master is received and transferred to the network. Please designate the station address and relay IP address. Device address: Slave PLC address (The Gateway address and PLC address cannot be the same) Relay IP address: Serial mater IP 9.8 User Define You can define your own format for data to be transmitted. The items to be defined include the fixed length, start item and stop item. „ Select RS-232 or RS-485 to connect the device DVP-PLC Application Manual 36