... Energy Plus Harmonics 3.Multiple Communications Options,Ethernet,Profibus The Acuvim II is a high- ... Ports (Eg: Ethernet, RS485)Web Server and Email SendingSwitch Status MonitoringRemote Switch ControllingMeasure Individual Harmonics ... , Dmd_Q, Dmd_S CommunicationRS485, Industry standard ModbusRprotocolModule Option: Ethernet module, Profibus-DP moduleDual RS485 communication portsRS-485 ( ...