... Power Meter, 5A rated input metering volt, amp, kW, kvar, kWh, kvarh, Hz Harmonic, RS485, DI+DO, Modbus/ Profibus, The PMAC720 Multifunction Power ... and displaying electric parameters include voltage, current, active power, reactive power, power factor, frequency, active energy and reactive ... protectBasic Function:Provide one RS485 communication, measures and display real-time parameters:1. Voltage—Ua ...