Analytics & Calculations

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More functions to support operations on arrays

The arrays in Expression and Event Frame Generation analyses are useful, but use cases are emerging where more functions are needed to reduce/calculate the arrays in more streamlined fashion. For example, Concat function should support array of ch...

Guest over 1 year ago in AVEVA™ PI Server / Analytics & Calculations 17 No Status

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

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, th...

phsutter over 1 year ago in AVEVA™ PI Server / Analytics & Calculations 6 No Status

1 VOTE

Make "In" operator compatible with arrays within AF Analysis

We have many calculations following this basic pattern - take recorded values of one attribute, apply a filter (using FilterData), then retrieve values of a second attribute at the filtered timestamps of the first attribute. Currently, we cannot r...

Gregory Malek 13 days ago in AVEVA™ PI Server / Analytics & Calculations 0 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 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

1 VOTE

Overload the Convert function to allow a input UoM and output UoM for unitless values

For unitless values you can assign a unit of measure by using the Convert() function. To further convert this to another UoM in the same class you need to nest another Convert() function. For example, Convert(Convert(3600, "s"), "h")) It would sim...

Mike Horrocks 16 days ago in AVEVA™ PI Server / Analytics & Calculations 0 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

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