... I,U,F,P,Q,S,PF,kWh, kVarh CE Rhos Mark LED display Size:120*120MM With RS485 ... functions. They can be equipped RS-485 communication with Modbus-RTU protocol; or they can output analog ... relay signal.They are a kind of analyzer with excellent cost performance, since they regroup the functions ... Logic input (DI)2 or 4 dry contacts (with 5V power)Pulse2 pulse outputs (open-collector),Pulse constant ...