Alarms Not Clearing Properly in Ignition 8.1.32

Ignition
1

Hello,

I am currently using Ignition version 8.1.32 and have encountered a small issue with some alarms. The alarms are triggering as expected when the conditions are met, but they remain in the alarm table even after the conditions are cleared.

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I have configured the alarms as shown in the next screenshot. With this configuration, the alarm does not behave as expected. However, if we change the tag type to "Memory," the alarm works correctly.

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Upon further investigation, I noticed that in the corresponding database table, the alarm activation is being logged, but there is no deactivation entry for the same eventid, as shown in the next screenshot. However, this behavior seems to be specific to certain alarms, as other alarms are logging both activation and deactivation entries correctly.

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I have tried restarting the Gateway, but the issue persists.

What could be causing this issue? How can I resolve it?

Thank you very much for your help!

2

Are the tags type boolean and you’re expecting the alarm to clear on a value if True?

3

Hi, robertm!

Yes, that’s correct.

4

Very odd….I'm on 8.1.38 with 10s of thousands of alarms and have not had any issue

Did you by chance rename any of these alarms at any point? That can cause orphaned entries to persist. To remove them try stopping the gateway, delete %Install Directory%/data/alarms_######, then restart the gateway.

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5

I did it, and no alarms have gone off since then. I’ll monitor it for a while and let you know if it worked or not.

Thank you!

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