... ØSelf-testing phase sequence error In case of error phase sequence input, PMAC770 will display on ... -RMS measuring parameters includes: U, I, P, Q, S, PF, F, kWh, kvarh, demand, max./min. ... value, ØDemand calculation mode is programmable 2 kinds of demand modes: fixed block and rolling block Demand ... ØMulti-tariff billing, historical data of 31 days and 12 months 2 kinds of setting modes: time zone mode ...