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Alarm Methods and Functions

Two methods are available for adding alarm and event functions and methods to the Historian calculation collector. In most cases, the calculation wizard will contain the function you need to build your alarm and event calculations. However, you may need to manually enter a function or method in the calculation pane.

You can add the following alarm and event functions to Historian calculation collector using the calculation wizard, or by entering them manually in the calculation pane:

New Alarm
Previous Alarm
Next Alarm
Get Alarm Property
Add Event
Set Alarm Property
Update Alarm
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