Variable Diagnosis: SE Crashes when external Timestamp minus Time Deviation to UTC is negative
Summary
Service Engine
terminates unexpectedly if in the variable diagnosis screen the external
timestamp minus time deviation from UTC is negative.
Description
Issue if in the variable diagnosis screen the
list shows the column with the external timestamp. Reproducible during the
first hour after the IED start if the IED is not time-synchronized and
communicates via a protocol that always provides time information (e.g. IEC
61850). The issue affects systems even if the IED time quality informs about
the missing clock synchronization. CEL and AML display external time
information correctly, but the variable diagnosis screen can cause the Service Engine
to terminate unexpectedly.
This issue has been fixed in the microsecond
evaluation function call with a small input value.
To benefit from this fix:
- Update your zenon Software Platform to the latest build of zenon 11 or
higher.
Item ID: 274301
Version: 12.00 Build: 206562
Version: 11.00 Build: 205374
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