... I_unbl, Dmd_P, Dmd_Q, Dmd_S CommunicationRS485, Industry standard ModbusRprotocolModule Option: Ethernet module, Profibus-DP moduleDual RS485 communication portsRS-485 (Standard): MODBUS ... historical logs where the majority of the metering parameters can be recorded. A real time clock allows for ... events to be accurately time stamped. Time of useUser can assign up to 4 different tariffs (sharp, peak, ...