Analytics & Calculations

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Write to output before analysis trigger initially

The customer has created some PI AF analyses these analyses trigger based on Event-Triggered. However, the customer his wondering if she can write a value to the output attribute before the analysis triggering for the first time. As of now, we onl...

Guest almost 2 years ago in AVEVA™ PI Server / Analytics & Calculations 6 Declined

6 VOTE

AF templates allow extensions for analyses

AF templates only allow extensions for attributes. I want to be able to do element level adjustment for analyses.

Guest almost 2 years ago in AVEVA™ PI Server / Analytics & Calculations 1 Declined

4 VOTE

Analytics functions Find with custom filter

I would like to have new analytics functions Find(attribute attname, time startTime, timeendTime, string filter) and TimeTrue(attribute attname, time startTime, timeendTime, string filter) similar to FindEq() and TimeEq() but with flexible filter ...

Guest almost 2 years ago in AVEVA™ PI Server / Analytics & Calculations 1 Declined

14 VOTE

Custom Delivery Channels in PI Notifications (newer versions)

Originally posted on PI Square at https://pisquare.osisoft.com/ideas/3778-custom-delivery-channels-in-pi-notifications-newer-versions Customer would like to have the Custom Delivery Channels in PI Notifications 2012 upgraded to the newer versions...

Guest almost 2 years ago in AVEVA™ PI Server / Analytics & Calculations 7 Declined

10 VOTE

High availability options with Big-IP F5 for Notifications and Analytics instead of only Windows Clustering?

We have redundant servers for AF components (Notifications & Analytics). In a virtual environment, our IT doesn't support Windows Clustering due to the way storage is implemented enterprise wide. What does it take to support F5? Our IT engin...

jagdish.konathala almost 2 years ago in AVEVA™ PI Server / Analytics & Calculations 2 Declined

9 VOTE

Performance equation to calculate tag median over time range

Currently we do not have functionality to calculate a median over a set of tag archive values. For example a function such as TagMed('sinusoid', '*-2h', '*-30m') to return the median of that set of archive values.

Guest almost 2 years ago in AVEVA™ PI Server / Analytics & Calculations 2 Declined

3 VOTE

AF function PrevEvent() should return timestamp of previous event even if data is "No Data"

Normally AF function PrevEvent() returns the timestamp of the previous event for a specified timestamp. But if the previous event is system digital state "No Data" it does not return the timestamp but again system digital state "No Data". That is...

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

4 VOTE

Analytics iteration

In case of only reading the attributes of the tag structure during an analysis/calculation, as tagname, tagnum, etc. could there be a way to put the attribute even though it's an output. Background: Customer is using analysis template where some o...

Guest almost 2 years ago in AVEVA™ PI Server / Analytics & Calculations 0 Declined

8 VOTE

Version dependent analysis

It should be possible to change the used analyses dependent on the version of an element. Currently the analyses are used across all element versions. For example I want to calculate the expected output of a machine. Starting on 01-Oct the machin...

Guest almost 2 years ago in AVEVA™ PI Server / Analytics & Calculations 6 Declined

5 VOTE

Auto-Regroup PI Analytics

Behind the scenes, Analytics groups calculations during startup of the PI Analysis service. However, after startup, sometimes an Analysis 'falls' out of a group and cannot be added back. This returns the error message, "Failed to insert calculat...

Guest almost 2 years ago in AVEVA™ PI Server / Analytics & Calculations 0 Declined

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