Transient alarms

These alarms are triggered by voltage transient activity (i.e., ITI CBEMA Type 1 disturbances).

You must configure nominal voltage for these alarms to function.

The Threshold setup register in the Transient module defines what voltage disturbance magnitude should be considered as transient activity. Threshold is interpreted as a percentage of the nominal system voltage, plus 100. For example, if you want transients recorded when voltage deviates from nominal by 20%, enter 120 into the Threshold setup register.

See “Transient overview” for an overview about transients.

For more information on the Transient module, download the ION Reference at www.se.com.

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