... 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 ... display real-time parameters:1. Voltage—Ua, Ub, Uc, Uab, Ubc, Uca,2. Current—Ia, Ib, Ic, In3. Active power ... Modbus Power Meter