Analytics & Calculations

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PI AF - Child Event Frames using different template to parent

We currently have Event Frames generating for machine faults, with child event frames then tracking things such as maintenance team response time etc. Leveraging this data in excel reports is proving difficult however due to the Child Event Frame...

alan.mccarthy over 1 year ago in AVEVA™ PI Server / Analytics & Calculations 3 Declined

45 VOTE

Allow writing arrays as a time series to an output

I would like to be able to configure outputs in an analysis to write at multiple time points (which are defined by the result of an array function). My use case is to: 1. Configure an attribute as a Time Series Table Lookup 2. Create an an...

Guest over 1 year ago in AVEVA™ PI Server / Analytics & Calculations 2 Tell us more

44 VOTE

Which tags are being used by a PI Analysis

As a PI Administrator, I want to know which tags are being used at which PI Analysis so I can know exactly if there is already another Analysis writing to a tag and avoid duplicated or wrong data.

Guest over 1 year ago in AVEVA™ PI Server / Analytics & Calculations 9 No Status

43 VOTE

Support setting data quality related flags from analysis

As a user of Asset Analytics I would like to manipulate data quality related flags (such as quastionable, substituted, etc) from my analysis so that I can set the flag when there is a problem with input value statuses.

Guest over 1 year ago in AVEVA™ PI Server / Analytics & Calculations 2 No Status

40 VOTE

Improve Asset Analytics Data Cache performance to handle large scale changes

There is a considerable amount of downtime in our system (20+ minutes) when a template change is performed. The root cause is a limitation on how the analysis service handles the removal of AF Attributes from the Data Cache. Due to this limitation...

Guest over 1 year ago in AVEVA™ PI Server / Analytics & Calculations 2 Evaluating

38 VOTE

Allow output expressions when using implicit Event Frame generation modes

In AF/Analytics 2018, implicit modes of Event Frame generation were introduced (Pulse, Step, and Step Continuous), but they do not allow for an output expression like the explicit trigger. Adding this functionality would allow for EF attribute val...

Guest over 1 year ago in AVEVA™ PI Server / Analytics & Calculations 2 No Status

34 VOTE

Add IsDST() function to AF Analytics

Use Case: calculating which Shift is working within a rotating-shift cycle, which must the follow Daylight Savings Time offset. This function is available in the Performance Equation library, but not in AF. The function itself is simple once one ...

Guest over 1 year ago in AVEVA™ PI Server / Analytics & Calculations 1 No Status

34 VOTE

PI Analysis Service should pick up change in Cache Refresh Interval of AF Tables

It would be nice if the PI Analysis Service could pick up a change in the Cache Refresh Interval of any AF Table being referenced by input attributes with a table lookup data reference. Currently, a service restart is required.

Guest over 1 year ago in AVEVA™ PI Server / Analytics & Calculations 5 No Status

33 VOTE

Expose SQC calculations to the asset model

As a PI user, I want to be able to visualize and analyze the SQC violations that are generated by the SQC rules. The ability to save SQC outputs such as Mean, median, mode, stdev, Cpk, max, min, 1-5 sigma zones, ucl, lcl in the following ways ...

Guest over 1 year ago in AVEVA™ PI Server / Analytics & Calculations 0 No Status

33 VOTE

Order by name (alphanumerically) the Analysis in the Management tab in PI System Explorer

I would like to be able to order by name (alphanumerically) the Analysis in the Management tab in PI System Explorer after retrieving a list of analyses through a search/filtering. This could be done by clicking on the Name column.

Guest over 1 year ago in AVEVA™ PI Server / Analytics & Calculations 2 No Status

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