Problem with AC800FR Controller "Profibus Module Fault Self Test error"
Thanks for your useful comments
As I mentioned in the previous massage. One controller is out of service now and the second one is in service with attached errors (Pictures attached)
I tried to assemble a new Controller but when I connect it to this controller to be Synch with it an error will apperas in new controller.
I dont have idea how to connect and synch a new controller with this one.
I think that due to present alarm in current controller it will defect new FI830 card in Now controller.
It is so appreciated if you can guide me to solve the problem.
Picturs I extract from Running Controller and Redundat controller is OFF.
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