How to connect a robot that only supports modbus tcp and ethernet protocol to VC？

General Questions
1

I have a robot ,it is just support modbus tcp and ethernet, how can i connect it to VC？

2

anybody?
thanks you.

3

Maybe you could use tcp or udp over ethernet?
Probably the easiest approach is to add some OPC gateway to your system to make the communication simpler.

4

I think this choice is the easiest.But I am not sure that my teacher will agree.