In order to use a Lookout driver object directly you will need one of the following Profibus interface cards: PC-1500PFB, PCI-1500PFB, and PCI-1500S7 - developed by Applicom
However, you could use the OPCclient object in Lookout and connect to a third-party OPC server which communicates w/ your CP5611 board. The following link describes one 3rd party OPC server that I found:
http://www.t-h.de/Products/PBServer-e.htm
I hope this helps out.