Hi teh.
If I understand correctly from previous threads, then Intouch (Wonderware) uses the socalled SAPI-S7 interface to communicate with S7.
This means that it can communicate with any communication hardware and protocol supported by Simatic Net.
So the answer is "yes".
The alternative method is to use OPC in stead of SAPI-S7. That still means that Simatic Net / CP5611 / Profibus is OK.
But if I remember correctly (from other posts) Intouch does not work so good with OPC.