All installed I/O, communications cards, must be configured and downloaded to your programmable controller.
Toyopuc Ethernet Card Configuration Requirements
The EN-IF Ethernet Card must be configured into the
programmable controller via Hellowin or GL1 programming
The EN-IF Ethernet card is setup by writing ladder logic to configure the card's IP address and Ethernet communication port. Non-specific Passive Communication setup with a non-zero non-reception timer is recommended.
About Toyopuc Ethernet Device Communication module.