MartinRiemer

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  1. 147 votes

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    9 comments  ·  PI Vision » Manual Data Entry  ·  Flag idea as inappropriate…  ·  Admin →

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    MartinRiemer commented  · 

    As PIPB is end of life PI Vision needs to provide this functionality. Annotating data is a well established tool!

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  2. 4 votes

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    1 comment  ·  PI Vision » Display Management / Displays Page  ·  Flag idea as inappropriate…  ·  Admin →

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    MartinRiemer commented  · 

    I would go one step further. Why not have the summary table as an option for trends part of an display? The data table you get when converting a Ad Hoc trend to a display does not have the same functionality like the one in the Ad Hoc Trend. E.g. the colors to link rows to lines.

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  3. 5 votes

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    1 comment  ·  PI Vision » User Experience  ·  Flag idea as inappropriate…  ·  Admin →

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    MartinRiemer commented  · 

    I'm having the same issue. We would like to print a trend in a layout close to the Ad Hoc / maximized trend layout. Trend with table below. Just like you could do using ProcessBook. => Double-click a trend and pressing print. => One trend in full-page with header and footer (date of print, pages, maybe printed by uid)

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  4. 11 votes

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    1 comment  ·  PI Vision » User Experience  ·  Flag idea as inappropriate…  ·  Admin →

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    MartinRiemer commented  · 

    Dear Mark, I stumbled across your post when looking for a solution for exactly the same thing. Did you find a solution in the meanwhile?

    I'm able to change the date/time format by changing the culture in web.config (C:\Program Files\PIPC\PIVision) to

    <system.web>
    <globalization culture="fr-CA" uiCulture="auto" />

    Default is:
    <system.web>
    <globalization culture="auto" uiCulture="auto" />

    but this actually changes more then I want.

    Regards,
    Martin

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  5. 351 votes

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    24 comments  ·  PI Vision » Reporting  ·  Flag idea as inappropriate…  ·  Admin →

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  6. 18 votes

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    4 comments  ·  PI Connectors » General  ·  Flag idea as inappropriate…  ·  Admin →

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  7. 25 votes

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    2 comments  ·  PI Connectors » General  ·  Flag idea as inappropriate…  ·  Admin →

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  8. 44 votes

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  9. 57 votes

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  10. 3 votes

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    1 comment  ·  PI Server » System Management  ·  Flag idea as inappropriate…  ·  Admin →

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  11. 3 votes

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    0 comments  ·  PI Server » Security  ·  Flag idea as inappropriate…  ·  Admin →

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  12. 80 votes

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    9 comments  ·  PI Connectors » OPC UA  ·  Flag idea as inappropriate…  ·  Admin →

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    MartinRiemer commented  · 

    This feature is very important to us as missing one event in case of a Setpoint which gets only changed infrequently, would lead to have wrong information in PI until the Setpoint is changed again (might be weeks or month). As we use the PI System for GMP BatchReporting where setpoints play an important role, wrong data would invalidate our documentation. So we would like to introduce a "Scan every x seconds" on a Tag basis. Maybe in the TagNamingWorkSheet used in TagsOnly Mode. By specifying the scan rate per Tag the additional load / traffic could be limited to where needed.

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  13. 216 votes

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    25 comments  ·  PI Connectors » OPC UA  ·  Flag idea as inappropriate…  ·  Admin →

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  14. 45 votes

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    3 comments  ·  PI Connectors » OPC UA  ·  Flag idea as inappropriate…  ·  Admin →

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  15. 47 votes

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    0 comments  ·  PI Adapters » OPC UA  ·  Flag idea as inappropriate…  ·  Admin →

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  16. 20 votes

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    5 comments  ·  PI Connectors » OPC UA  ·  Flag idea as inappropriate…  ·  Admin →

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    MartinRiemer supported this idea  · 
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    MartinRiemer commented  · 

    Just starting to roll out approx. 100 OPC UA Connectors over the next years, I'm faced with a data integrity issue.
    We are using UPC UA 2.0.1.33 and found the following behavior:
    As expected OPC UA Server only sends updates for values on change. That's how it works. But the Connector seems to just take those values and send them to the PI archive as is. Thinking about being able to reconstruct the evolution of a measurement, a more sophisticated data handling (like uniint exception handling) is a must to avoid wrong information ending up in the PI archive.
    The Pump example: Think of a pump nor running for a year. Now the pump gets activated and the flow increases. Most likely not in ul/s steps. So when the first value send by the OPC UA Server is 10l/s the PI trend would show a slowly increasing flow for the entire past year. Asking the PI archive for a interpolated value within the last year would give you anything between not zero and 10 but should ofcourse return zero up to the point in time the pump was started. Switching to step = 1 like you would do for discrete values (e.g. Setpoint) is not option as it would mess up interpolation when it comes to data compression.
    I understand this is a critical bug leading to data integrity issues and potential misinterpretation of data. The manual should highlight the behavior as it is far from how most of the other PI Interfaces work.
    Trend Advise would be similar to the appearance of setting Step=1 when it comes to visualization, but is very different when it comes how close it is to reality. Trend advise is the only option to be able to make use of the pi data archive compression. The OPC Server ensures that a value is send if it is different from the previous value.

    Right now you can use the UA connector to send numbers to the archive but not to collect valid information on your process. The issue is the same for high frequency data unless the value change faster that the scan rate. It only becomes less obvious. At the end it comes down to Nyquist sampling theorem.

  17. 33 votes

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    2 comments  ·  PI Adapters » OPC UA  ·  Flag idea as inappropriate…  ·  Admin →

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