... meter display voltage data, offer RS485 COM, digital input/ relay output, support Modbus PMAC600B panel meter supports ... or RS485 port, wide range of standard and optional measurements, digital power transducer for PLC, DCS, EMS, and SCADA applicationsThis ... 4-20mA analog outputs), via RS485/MODBUS communication to manage meters. Users canrealize automatic control through programming the relay output ...