... quality, high-definition LCD screen LCD displayCommunication: RS485 communication MODBUS-RTU protocolOutput; 2-way power ... energyDisplay: three rows of LED digital displayCommunication: RS485 communication MODBUS-RTU protocolOutput: 2-way power pulse ... voltage transformer signal, field programmable input parameters change thanOptional: RS485 communication interface, the transmitter output (DC4 ~ 20mA, ...