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• Solution Name:

• Alarm History Filter
• Software Version

• : v10
• Keywords: Alarms, Filters 

Summary

This solution example shows demonstrates how to filter AlarmHistory data using by applying start and end dates and , as well as SQL statements, as AlarmViewer filters.

Image Added

Technical Information

By default, AlarmViewers show online Alarms – that is, Alarms that have yet to be acknowledged and normalized. To view previously active Alarms, double-click an the AlarmViewer in Draw mode and change the List checkbox to AlarmHistory. By default, this will show all of the alarms in from the AlarmHistorian dataset, which you can find on accessible via the Datasets → DBs table.

For better visualization, you can filter the AlarmHistory by dates

or

SQL queries. To do so, double-click

the AlarmViewer and

specify values

for the History Interval and Filter fields. You can also

link tags to these fields

, to let the user decide which filters to apply, as

this solution example demonstrates.

Reference Information

→ See AlarmViewer Control to learn more about AlarmViewers and related settings.

→ For more information on the databases FrameworX uses to preserve a solution’s history, check out Datasets DBs.

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