TCP/IP communication is a software option that needs to be installed.
You can contact service.robotics@comau.com for a quote of:
CR17920415 Software "PDL2 Read/Write on TCP/IP"
If you purchase this option Comau will need to know your robot and controller serial number, so that this option can be added to a file called keyen.cod that will be sent you via email
Some basic programming examples are also available.
On a C5G instead the software option is:
CR17926300 Software "PDL2 Read/Write on TCP/IP"
You can always verify options installed opening on TP:
Service/System/Info