... supply Dual windows, Four digit, 7 segment LED display, with bargraph display on PV value percentControl method: PID auto self ... site from a remote place via RS485, RS232 serial interface.MODBUS-RTU communication protocol are available for configuration ... 24VDC optionPower Consumption: ≤5WDisplay : Dual windows, four digit, 7 segment LED Range : -999 to 9999, selectableFilter : 0-99, selectable Offset ...