MB300 primary network lost resulted in Node to Node communication failure and Data set signal loss
Did any one come across MB300 primary control network issue in the past which could result in data set lost between AC450 Nodes?
As a part of MB300 redundancy check we disconnect primary network connection from CS513 which in turn resulted in data set signal loss between nodes, but secondary CN network works fine. From functional stand point of MB300 network the secondary network should automatically take over in case of fault in the primary network and it should be bumbles. HMI data remains normal but node to node communication fails and Data set Not valid Alarms appears on the OS500.
We tried by replacing the Alled telisis switces with new hirschmann network switches , new AUI Transceiver ,new FO and Ethernet cables but no luck
I am just wondering whether this could be AC450 Firmware issue? we have AC450 with QC07-BAS41*1.0/1 and QC07-BAS41*4.0/1 two versions in our site
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