... 5.RS485,Infrare ApplicationDDSF5168, Single phase two wire active electronic multi-tariff watt-hour meter, LCD display. The ... according to the client's requirement.)♦RTC: Real time clock, leap year shifting automatically. Broadcast time calibration.♦Energy Record ... times. Record meter resetting, time interval setting, and clock setting etc.♦Communication: It adopts isolated RS485 communication, which ...