W5100N-QG -4 Digital Inputs, Dry contract input; -4 Digital Outputs, Relay output; -6 Analog Inputs, allowed 0-5V DC or 0-20m OverviewW5100N series product is a concentrator as a data collector and a data transmitter. It allowed remote query, remote setting and remote control. It could provide stability and reliability. It could report via GPRS TCP/IP protocol, the content of report is including ...