We installed a KTX card with a Profibus card on a Wonderware system. I can't get communication between the combination of the three systems. The KTX card takes control over the profibus card. The KTX card communicates to the AB SLC500 but the profibus card stops communicating the moment the KTX card is insereted in the PC slot. Both cards have different addresses so that's not the problem. If I remove the KTX card everything runs fine again. It seems as if there is a gap between profibus and KTX communication with wonderware. Help me!!!!!