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Event detector with duration


  • I'm having trouble setting up a new event detector. If I set the duration to anything other than 0 seconds, it never detects an event despite being in the proper state. I have tried High limit alarms for a numeric Point and a State alarm for a Binary point. I must be missing something simple. Help?


  • Not sure - it works for me. Can you provide the configuration of the detector, and the point history for comparison? Also, what logging settings are you using?


  • Here is an example. I have two event detectors monitoring the same point. Both are low limit detectors with an information alarm level and a limit of 5. One is set with duration 0 seconds. The other with duration 1 second.

    When the following point history passed by:

    [list]Value Time Annotation
    8.2% 13:18:43
    1.2% 13:18:13
    0.5% 13:17:43
    0.6% 13:17:13
    0.9% 13:16:43
    2.5% 13:16:13
    6.7% 13:15:43
    7.0% 13:15:13
    7.1% 13:14:43
    7.0% 13:14:13
    7.1% 13:13:13
    7.0% 13:12:13
    6.8% 13:11:43
    7.0% 13:11:13
    7.1% 13:10:13
    7.0% 13:09:43
    7.1% 13:09:13
    7.0% 13:07:43
    7.1% 13:06:13
    6.9% 13:05:13
    7.1% 13:04:13
    6.9% 13:03:13
    7.1% 13:01:43
    6.8% 13:00:43
    7.1% 12:59:43[/list]

    Only the 0 second event tripped.

    Logging settings are when point value changes by 0.1, no discarding extreme values, and cache size 1.

    Had the same problem with version 1.10 and 1.11.


  • Thanks. We found the problem. A fix will be in the next release.


  • Great. I'm looking forward to it.