Previous Alarm Function

The Previous Alarm function will return the previous alarm for a tag on, or before, a given timestamp. It will take the inputs shown in the following table.

InputDescription
Input TypeSpecifies whether to manually input properties, or draw them from an existing alarm object. If Use Alarm Object Data is selected, the Source/Tag Name, Condition, and Relative Time fields will be disabled.
Query BySpecifies whether to query by the alarm source or tag name.
Data SourceSpecifies the data source to query by. This is only used if you are querying by source.
Source/ Tag NameSpecifies the source or tag name to query by. This field will change depending on what is selected in the Query By list box.
Data SourceSpecifies the data source to query by. This field will appear if Data Source is selected in the Query By list box.
ConditionSpecifies a condition to query by.
Relative TimeSpecifies a relative time to query by.