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Our PLC has communication with site via two paths, one is via "Fiberoptics Module Profibus"(OZD Profi 12M) and the other is via ET200 S(IM151: 6ES7 151
-1AA02-0ab0). The problem is the IM151 communication failure with PLC, on IM 151 the "SF" LED is lit and the "BF" LED is blinking, on CPU the "BUS2" is also blinking.
I reloaded the configuration file into PLC, replaced the IM151 with a healthy one, even changed the interconnection cable but the problem was not fixed.
I would greatly appreciate if someone can advise me on resolving the matter.
-1AA02-0ab0). The problem is the IM151 communication failure with PLC, on IM 151 the "SF" LED is lit and the "BF" LED is blinking, on CPU the "BUS2" is also blinking.
I reloaded the configuration file into PLC, replaced the IM151 with a healthy one, even changed the interconnection cable but the problem was not fixed.
I would greatly appreciate if someone can advise me on resolving the matter.