Discussion about DP Coupler Siemens

Hello everybody,Last few days I have been trying to understand interconnection between two master profibus networks. I have one application in wihich on one side is Step7 project but unfortenatelly on the other is PC based system which I can not monitor. Can somebody please upload one Step7 project in which DP/DP coupler is used for exchange data between two mater profibus networks.Such example