Easy way to transport I/O data from the field to SCADA Systems. Several communication protocols are supported (IEC61850 client/server, IEC60870-5-104 server, ModbusTCP client, ModbusRTU master). Transmission over GSM/GPRS or Ethernet. Connecting serial devices over RS232/RS485/RS422 4 digital inputs & digital outputs. Easy web based configuration using any standard browser Optional CODESYS soft-PLC supporting IEC61131-3 software