Alarm index

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orla090978
Posts: 8
Joined: Thu Jan 03, 2019 1:05 pm

Alarm index

Post by orla090978 » Wed Apr 17, 2019 8:22 am

Hello everybody,
Are there any unique index in RAIMA database that identifier the alarm occurance?
Thanks a lot

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leoknipp
Posts: 1712
Joined: Tue Aug 24, 2010 5:28 pm

Re: Alarm index

Post by leoknipp » Thu Apr 18, 2019 7:46 am

An alarm in WinCC OA is unique by its DP element ID, the time for the alert and the count parameter.
Can you please describe in detail what you want to use the unique index for.

Best Regards
Leopold Knipp
Senior Support Specialist

orla090978
Posts: 8
Joined: Thu Jan 03, 2019 1:05 pm

Re: Alarm index

Post by orla090978 » Thu Apr 18, 2019 8:24 am

We are looking for a consecutive number of alert (malfunction number).
"Count parameter" satisfies the above?

Which WinCC OA alert_hdl properties idenfies "Count parameter"?

Thanks.

Regards.

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leoknipp
Posts: 1712
Joined: Tue Aug 24, 2010 5:28 pm

Re: Alarm index

Post by leoknipp » Thu Apr 18, 2019 2:08 pm

There is no number available which counts the alerts and is increased if a new alert occurs.
The count parameter only counts the alerts for the same dp element for a pair of alert instances. If a new came alert is raised the count parameter is again 0. So it is not a count for the number of alerts for a single dp element.

What shall the alert counter be used for?

Best Regards
Leopold Knipp
Senior Support Specialist

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