... amp,watt,var,va,Hz, cosf,kwh,kvarh, harmonics,demand 2. RS485/Modbus, Profibus, Bacnet function 3. 8MB PMAC770 Multifunction Power ... For high voltage system, PMAC770 need to connect with PTs, PT ratio programmable ØNew appearance and ... of time in 24 hours, 4 tariff rates. ØPower quality analysisHarmonic analysis, crest and K factor, unbalance ... rate1.0% PMAC770 panel mounted power meter data log