Browse FAQs

Does Control Expert (formerly Unity Pro) retain Diagnostic Buffers through a power outage?

Published date: 17 June 2020

Issue
Need the controller diagnostic info, but it had been powered down.

Product line
Control Expert, Unity Pro, Modicon M580, Modicon M340, Modicon Quantum, Modicon Premium

Resolution
Yes. The Diagnostic Message Buffer is maintained through a power outage.


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