Important: You do not have the latest version of Historian! You are missing out on the newest capabilities and enhanced security. For information on all the latest features, see the Historian product page. For more information on upgrades, contact your GE Digital sales agent or e-mail GE Digital Sales Support. For the most up-to-date documentation, go here.

PreviousAlarm

The PreviousAlarm function returns the previous alarm for a tag or source on or before a given timestamp.

Syntax

set AlarmObj = PreviousAlarm (source, condition, timestamp)

Example Code

The following example will get the previous alarm based on the properties of the current alarm object.

Set AlarmObj = NextAlarm (AlarmObj.Source, AlarmObj.ConditionName, AlarmObj.Timestamp)