Tiny Ethernet module with PoE, 2-channel Digital Inputs (Dry Contact) and 1-channel Form A power relay.Providing various digital I/O functions, the tET/tPET series is an IP-based Ethernet I/O monitoring and control module. The module can be remotely controlled through a 10/100 M Ethernet network by using Modbus TCP protocol. Modbus has become a de facto standard communications protocol in industry, and is now the most commonly available means of ..