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Alarm Object

Unlike other functions in the calculation collector, the alarm functions make use of an alarm object to store information about alarm and event data. This object makes use of an alarm class, which contains all the information Historian needs to work with alarm and event data.

All operations for alarm and event calculations are performed on an alarm object. In the examples in this topic and related topics, the name AlarmObj is used to signify the object. This name can be changed to suit your needs.