... on site from a remote place via RS485, RS232 serial interface. MODBUS-RTU communication protocol are available for configuration ... matrix,5.6'' TFT color LCD displayMaximum input channel:16 input channels, completly potoelectric isolated omnepotent inputInput signal ... interface/portDC5V,12V,24V Auxiliary power supplyUSB interfaceCurrent TransmissionUSB port: Plug and play.Support 1GB,2GB,4GB USB flash ...