FEN20 I/O in-cabinet, block I/O stations make digital I/O suitable for industrial Ethernet layers such as EtherNet/ IP, Profinet or Modbus TCP. The unit comes with 16 configurable I/O points, with power isolation between I/O zones. The device can be addressed via an external rotary switch or a web server. FEN20 supports DHCP and LLDP protocols, and has LEDs for status and basic troubleshooting.