Maintenance Demanded?

Benton

Member
B
Join Date
Oct 2010
Location
Baton Rouge
Posts
34
We have a Bus fault on an IM module ET200. The status shows that maintenance is demanded and that there has been a loss of redundancy due to problem on DP slave and it gives the address.

How do we correct this issue?

We have changed the module and the only places we get the bus fault is between the CPU and the IM. And it is only when going into redundancy.

Please advise! Thanks!
 

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