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A forum for topics related to the scope of Modicon PAC offers and ecosystem along the whole lifecycle: Modicon M580 and 340, EcoStruxure Control Expert, EcoStruxure Process Expert (Unity Pro) and more.
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Posted: 2022-02-09 07:46 AM
Hi Experts,
Does anyone know the technical reason why if the Ethernet Backplane-port is off on NOC, why it can't be installed in the 'Bus-X only' slots?
Could Control Expert be modified to allow this? And throw a build error if a user attempts to enable the backplane port in one of these slots?
When doing Premium migrations that have multiple ETY cards, this limitation becomes a hassle.
Thanks
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Posted: 2022-02-14 01:46 PM
My understanding is that the BMENOC0301 requires the Ethernet backplane. This is the ONLY mechanism it uses to communicate to the CPU on the rack.
So installing it in a Bus-X only slot simply would not work (for communication to CPU... which means it would not work fullstop).
I'm unsure what disabling the Ethernet Backplane Port means here, but I suspect it has a nuance that means the Ethernet Backplane port is actually still active, but perhaps it no longer has filtering applied or similar.
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