Analytics & Calculations

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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 about 2 years ago in AVEVA™ PI Server / Analytics & Calculations 2 Evaluating

52 VOTE

Enlarge area for editing analysis expressions

When editing an Analysis Expression, only 4.5 lines appear. It would helpful if more lines appeared (greater than 20 lines).

Guest about 2 years ago in AVEVA™ PI Server / Analytics & Calculations 5 No status

51 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 analysi...

Guest about 2 years ago in AVEVA™ PI Server / Analytics & Calculations 2 Tell us more

49 VOTE

Selectable Write Mode for Analyses

As an analysis user I would like to define what should happen if multiple triggers occur with the same timestamp. Currently AF analysis are using "Replace" mode when writing to the archive (meaning if multiple triggers have the same timestamp, the...

phsutter about 2 years ago in AVEVA™ PI Server / Analytics & Calculations 6 No status

48 VOTE

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 about 2 years ago in AVEVA™ PI Server / Analytics & Calculations 3 Declined

45 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 about 2 years ago in AVEVA™ PI Server / Analytics & Calculations 10 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 about 2 years ago in AVEVA™ PI Server / Analytics & Calculations 2 No status

9 VOTE

A way to specify within analyses whether input values should be retrieved from the Data Archive or the PIAF Cache

A way to specify within the analyses if input values should be retrieved from the Data Archive or the PIAF Cache. Thereby preventing different results during real-time calculation and for instance backfills and decreasing the execution time of ana...

David Scott 6 months ago in AVEVA™ PI Server / Analytics & Calculations 1 No status

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 about 2 years ago in AVEVA™ PI Server / Analytics & Calculations 2 No status

35 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 about 2 years ago in AVEVA™ PI Server / Analytics & Calculations 5 No status

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