PI Developer Technologies

Welcome to the PI Developer Technologies feedback page!  

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, feature suggestions and feedback. Please suggest your most important features and design change ideas on this site, and vote for your favorite ideas.

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  1. af sdk PIPointQuery should allow multiple use of filter name per AND condition, so ranges can be searched

    Currently the PIPointQuery cannot contain a filter condition with same filter name twice per AND condition of the query string.

    PointId:>5 AND PointId:<10.

    This would cause an error.

    Therefore filtering for a certain range is annoying as both result lists then have to be compared for common elements, workaround for the AND in above condition.

    Enhancement:

    Introduce a "BETWEEN" operator for the filter condition.

    Allow multiple use of filter names in the same AND condition.

    4 votes
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    0 comments  ·  PI AF SDK  ·  Flag idea as inappropriate…  ·  Admin →
  2. Add support for AFFile type

    To support reading/writing files stored in AF. Read is more important though.
    Started from here: https://pisquare.osisoft.com/thread/37635-access-pdftextdoc-files-from-af-server

    I want to be able to use AF as a one-stop place to access my Asset Data. Therefore i want to be able to access Files stored in AF to provide this data alongside all other data through the PI Web API.

    2 votes
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    0 comments  ·  PI Web API  ·  Flag idea as inappropriate…  ·  Admin →
  3. Time Context Value Retrieval

    Example Scenario:

    We want to know the Specific Electricity Consumption (kWh/mt) over a time period (selected by users).

    Specific Electricity Consumption = (Electricity Consumption(kWh)) / (Raw Feed Consumed(mt))

    Where, Electricity Consumption (kWh) and Raw Feed Consumed (mt) are both attributes with PIPoint data reference, using value retrieval method: TimeMethod = Time Range; TimeRangeMethod = Total; EventWeighted

    Then, Specific Electricity Consumption is attribute with Formula data reference, simply: A=Electricity Consumption; B=Raw Feed Consumed;[A/B]

    So, on PI Vision, it can display the specific electricity consumption with the correct values. However, if we query through PI Web API for our own webpage, it…

    7 votes
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    0 comments  ·  PI Web API  ·  Flag idea as inappropriate…  ·  Admin →
  4. AF SDK Calls using the AFValues.GetValues should include an index of result events, this is to allow direct location of replacement events

    The PIPoint.ReplaceValues method requires a replacement of every event in the timerange, however it also may reorder or miss events with the same time stamp. The issue is that if the client wants to replace only a certain event, but must find that event - the replacement is for all the events at that timestamp and the method doesn't seem to allow for precise replacement of a value.
    The use case is programmatic correction of operator manual entry error, where multiple events have the same timestamp.

    2 votes
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    0 comments  ·  PI AF SDK  ·  Flag idea as inappropriate…  ·  Admin →
  5. Add point attributes such as "instrumenttag" to "fields" for search controller

    Currently, as shown in the link below,

    https://techsupport.osisoft.com/Documentation/PI-Web-API/help/controllers/search/actions/query.html

    The "instrumenttag" as well as other PI point attributes are not selectable in "fields".

    The selectable ones are shown below:

    afcategory; attributes; datatype; description; endtime; haschildren; itemtype; links; matchedfields; name; plottable; starttime; template; uniqueid; uom; webid

    2 votes
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    0 comments  ·  PI Web API  ·  Flag idea as inappropriate…  ·  Admin →
  6. Get Values by Count in the PI Web API

    As a PI Web API developer, I would like to retrieve values by specifying a count like you can do in PI SMT and other PI clients. This functionality is exposed by the RecordedValuesByCount in the AF SDK.

    3 votes
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    0 comments  ·  PI Web API  ·  Flag idea as inappropriate…  ·  Admin →
  7. Expose AF element modification timestamps to WebAPI

    Expose AF element modification timestamps to WebAPI so that caching mechanisms in middle ware or consumer apps have a programmatic way to determine if the structure needs to be crawled/refreshed.

    2 votes
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    0 comments  ·  PI Web API  ·  Flag idea as inappropriate…  ·  Admin →
  8. 1 vote
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    0 comments  ·  PI AF SDK  ·  Flag idea as inappropriate…  ·  Admin →
  9. Configurable message sizes for PI Channels

    See https://pisquare.osisoft.com/message/112944-is-there-a-way-to-limit-the-size-of-pi-channel-messages for the originating question.

    Clients connecting via PI Channels have limits on the size of messages they can receive, for security reasons.  It is possible for PI Channel message sizes to exceed these limits.  There should be a way to configure the max message size for PI Channels.

    1 vote
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    0 comments  ·  PI Web API  ·  Flag idea as inappropriate…  ·  Admin →
  10. Allow applying PI AF attribute categories via the PowerShell commandlets

    We need to be able to apply PI AF attribute categories via PowerShell! We can do this today via the AF SDK, by referencing it within PowerShell, but it's a pretty convoluted solution to move back and forth in between command-lets and direct AF SDK references!

    1 vote
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    0 comments  ·  Other  ·  Flag idea as inappropriate…  ·  Admin →
  11. Return Elements with Bad Values with AFSearch

    As a programmer, I would like to search for and return elements with attributes that contain bad values  using the AFElementSearch Class in the AF SDK.

    2 votes
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    1 comment  ·  PI AF SDK  ·  Flag idea as inappropriate…  ·  Admin →
  12. Use Escape Sequences with ODBC driver

    ODBC driver should support the use of Escape Sequences such as {ts}

    2 votes
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    0 comments  ·  PI ODBC Driver  ·  Flag idea as inappropriate…  ·  Admin →
  13. Automatically update Transpose Function in SQL Commander when referenced Element Template name is updated

    In PI SQL Commander, users can create Transpose Functions that are linked to Element Templates in AF. When the referenced Element Template is renamed in PI System Explorer, the Transpose Function in PI SQL Commander is no longer able to find the Element Template which breaks the Function and underlying Data Table.

    Users are not aware that the Transpose Function or the underlying Transpose Data Table are broken until they attempt to query the Table or Transpose Function. It would be ideal if the Transpose function could either update this reference automatically or if the function referenced the GUID of…

    1 vote
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    0 comments  ·  PI OLEDB Enterprise  ·  Flag idea as inappropriate…  ·  Admin →
  14. PI OPC Server 2017 - SDK Aliasing

    With PI OPC DA Server 2017, SDK aliasing is no longer supported. It would be nice to be able to not reconfigure the client's ItemIDs and use an alias after migrating a Data Archive.

    2 votes
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    0 comments  ·  PI OPC DA & HDA Servers  ·  Flag idea as inappropriate…  ·  Admin →
  15. 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.

    0 votes
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    2 comments  ·  PI AF SDK  ·  Flag idea as inappropriate…  ·  Admin →
  16. Move AF Elements with PI Web API

    Create an additional action under the elements controller that can move an element from one parent to another while removing the child element from the original parent element's hierarchy.

    2 votes
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    1 comment  ·  PI Web API  ·  Flag idea as inappropriate…  ·  Admin →
  17. Add Ability to Create Item Groups on the PI OPC DA Server

    As a PI OPC DA Server User, I would like to be able to create groups of tags (items) on the OPC Server, so that when I look for a specific tag in an OPC Client tool I don't have to search through the thousands of other tags that exist on my PI Server. This will make using the PI OPC DA Server more efficient and enjoyable.

    1 vote
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    0 comments  ·  PI OPC DA & HDA Servers  ·  Flag idea as inappropriate…  ·  Admin →
  18. Custom forms with PI Web API using Infopath

    How to use infopath with web API the same way it was documented how to use infopath with web services.

    1 vote
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    0 comments  ·  PI Web API  ·  Flag idea as inappropriate…  ·  Admin →
  19. AF Dependency Removal

    Can the PI Web API be configured to store its configuration information in a flat file or some other (non AF) mechanism?

    1 vote
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    0 comments  ·  PI Web API  ·  Flag idea as inappropriate…  ·  Admin →
  20. Add in the Element Hierarchy table information to determine the primary reference of a copied reference element

    When an element is copied as reference (parent-child) elsewhere in the tree it then has multiple parents. One of it is the primary parent. This information needs to be added to the hierarchy tables.

    4 votes
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    1 comment  ·  PI OLEDB Enterprise  ·  Flag idea as inappropriate…  ·  Admin →
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