Statistical Alarm

Statistical Alarm

This alarm is generated when an alarm is frequently generated and cleared in the observing time window of statistical alarm. Specifically, this alarm is generated when "Total Number of Fault Occurrences" of an alarm exceeds "Upper Threshold of Fault Occurrences" or "Total Fault Duration" exceeds "Upper Threshold of Fault Duration". 

This alarm is cleared when "Total Number of Fault Occurrences" of the alarm is lower than "Lower Threshold of Fault Occurrences" and "Total Fault Duration" is lower than "Lower Threshold of Fault Duration".

We can run the LST ALMBLKSW command to query the observing time window of statistical alarm, run the LST ALMBLKPARA command to query the thresholds, and check the "Intermittent Alarm" parameter to view the intermittent alarm.

We will get the particular alarm name after double click the Statistical Alarm in LMT or M2000.

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