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Can USB-A2 connect PLC through PROFIBus? Can profibus connect sub-stations directly for diagnosis?   There is a 3152dp, which communicates with the sub-station through dp, and it is inserted into the dp head of cpu. It is not connected by automatic mode, but can be inserted into mpi port. Do you need any Settings?

thanks

EN2TR and substation modules are all dropped, EN2TR module indicator is normal, The module ok indicator in the rack flashes, From within 5000, the en2tr and the modules in the rack are all disconnected, Power off and restart normally, have you met any friends? Ring, redundancy, almost 10 year project.