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Thread: Alams/ Events Deletion

  1. #1

    Idee Alams/ Events Deletion

    Hi, Support.


    Is it possible to delete Alarm & event of a specific (absolute) time period ? or few specific alarm or event ?    If yes.. Please explain the same.

    Thanks in advance.

  2. #2
    Join Date
    01.07.2008
    Location
    Salzburg, AT
    Posts
    888

    Default Re: Alams/ Events Deletion

    Why you want to delete CEL/AML entries?
    zenon protects the system against manipulation of the history of the process. A user with respective authorization levels can add/change a comment to CEL/AML entry, e.g. to mark entries where PLC was delivering data with wrong external time stamps etc.

  3. #3
    Join Date
    26.11.2010
    Posts
    23

    Default Re: Alams/ Events Deletion

    Hi,

    sorry for digging up this thread. But I have a similar question.

    How can a particular entry in CEL be deleted?

    We use the CEL to log texts entered by the operator. Means the operator can type random text to a box and by hitting a button this text is logged to the the CEL. The button sets a binary variable which uses a dynamic limit text to write the content of a string variable (from the input box) to the CEL. Simple and working so far. But for limits with dynamic texts the comment function is not available - so we need the possibility to edit/delete a certain entry in case the operator made a mistake.

    Any hits/workarounds, are apreciated. Also using API is prefered so I could compare the current user with the one of the CEL entry (I'd say, manipulation protection is more a matter of permissions and user levels).

    BR
    Eric

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