PI Developer Technologies

Welcome to the PI Developer Technologies feature suggestion box. This forum covers the PI AF SDK, PI Web API, PI OPC DA and HDA Servers, and the PI SQL family. We created this forum to hear your ideas, suggestions and feedback.

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  1. Be able to access the UOM database as tables

    The current method of accessing UOM data is inconsistent with the rest of PI OLEDB Enterprise. Instead of tables, we have functions such as UOMAbbreviation and UOMClassName. Imagine if we had a function for each non-ID column of information that we wanted to access (e.g. ElementName, ElementTemplateDescription). It doesn't make sense. Please make the UOM database available as tables.

    This would also make it easier to manage and clean up the UOM database. For example, an administrator might want to make sure that compound units (e.g. m/s) are named consistently with their base units (e.g. Canadians might change "meter" to…

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    1 comment  ·  PI OLEDB Enterprise  ·  Flag idea as inappropriate…  ·  Admin →
  2. support server side aggregation in AFSDK

    I would like to aggregate multiple tag values in a server side operation using naturally scheduled or sampled intervals in some form similar or extending FilteredSummaries.

    Most common case is finding the maximum aggregate of two or more tags.

    It's not practical to rely on Analysis for adhoc use cases.

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    0 comments  ·  PI AF SDK  ·  Flag idea as inappropriate…  ·  Admin →
  3. Implement GetValue().ValueAs<Insert Type Here> for all possible AF Value Types.

    Currently, the AFSKD GetValue() method supports GetValue().ValueAsInt32, .ValueAsDouble, and .ValueAsSingle. However, there are other possible AF Value Types, such as "Boolean". The AFSDK should expand the GetValue().ValueAs functionality to include all possible AF Value Types.

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    2 comments  ·  PI AF SDK  ·  Flag idea as inappropriate…  ·  Admin →
  4. Add searchFullHierarchy property for GetAttributeTemplates

    It should be possible to get all nested attribute templates without having to make multiple calls to the Web API.

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    0 comments  ·  PI Web API  ·  Flag idea as inappropriate…  ·  Admin →
  5. Align time series when requesting PlotValues with streamset

    When requesting time series data for multiple attributes using a streamset request and the PlotValues endpoint, it would be helpful if the response had the timestamps all lined up. This makes it easier to render the data, particularly if the data is being visualized in a stacked area series.

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    0 comments  ·  PI Web API  ·  Flag idea as inappropriate…  ·  Admin →

    This is something we would like to do but the nature of PlotValues makes this difficult to do if not impossible. The PlotValues endpoint returns a time series with the most visually significant values for each pixel on a display. Even though the data values are actual recorded values, the values from different data streams have nothing to do with each other. The timestamps for different streams probably won’t line up.

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    0 comments  ·  PI OLEDB Enterprise  ·  Flag idea as inappropriate…  ·  Admin →
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