can you help me in communication problem between Siemens DP-DP coupler and ABB AC800 CI854??
Now i have a problem in communication between Siemens dp-dp coupler (6ES7 158-0AD01-0XA0) AND ABB AC800 CI854 and use 2 hirschmann modules to convert from Profibus to Optical Fiber and the result from the side of abb the channel of Profibus in hirschmann module is configured ana give solid yellow light and the fiber channel not configured with the channel of system give us red flash light ... from the side of dp-dp coupler the channels of Profibus and fiber don't give anything with red flash light in system channel of hirschmann ...... and now we don't know what is the problem???? we tested the Optical Fiber cable and its ok and we changed the hirschmann module and i doesn't do anything new.
we need your advice to solve this problem.