can measure alll electric power parameters, consumption, demand, energy quality. remote control, limits alarm, min/max.statistic Large screen character LCD displythree-phase V.I.P.Q S.PF.F.kWhDemand. Max.MinInput/output: 5DI,2Do extendible to 16DI, 8DI,8DOCommunication: optional RS485, Modbus , Profi bus-bus Power meter