... phase sequence input, PMAC770 will display on LCD ØReal-time measurement True-RMS measuring parameters includes: U, I, ... tariff billing, historical data of 31 days and 12 months 2 kinds of setting modes: time zone mode and ... tariff rate, each list can setup 8 periods of time in 24 hours, 4 tariff rates. ØPower ... or under limit and persists over the specified time, PMAC770 will record the event, and trip ...