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ronald

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Posts posted by ronald

  1. Hello,

     

    we use DataXport for ~20 PLCs. The database (*.ulp - file) is growing constantly. By now it exeeds 100 Mb, which makes the program unresponsive and slow.

     

    I found that it is a renamed MS-Access database, which contains all data that have ever been transmitted. Is there any way to delete the old data? The "clear logs" option evidently doesn't.

     

    Thank you for any hint,

    Ronald

  2. Does UniOPC support historical data access (HDA)?

     

    If so, is it possible to access data tables in memory and on SD card? How?

    If not, what is the recommended way to do a fully automized download of logged data?

     

    I am using Vision OPLCs.

     

    Thank you for clarification,

    Ronald

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