Analytics & Calculations

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Allow EventFrame("Duration") to be used as an EndTrigger

I want to stop my Event Frame after an amount of time that is stored in an AF Attribute. For my use case, the amount of time from the beginning of an Event Fame is an end triggering condition. One way to do this, would be to allow the EventFrame("...

Guest over 2 years ago in AVEVA™ PI Server / Analytics & Calculations 4 No status

24 VOTE

SecSinceValueChange

One of the items i need to build frequently, yet no support in analytics yet. I want to habe an AF Analysis function that returns the number of seconds a value of an attribute has changed. E.g. to calculate how long a pump is running, how long a b...

Guest over 2 years ago in AVEVA™ PI Server / Analytics & Calculations 1 No status

24 VOTE

Improve UI for Analysis Service Statistics

It can be difficult to locate an analysis group in the current (2.9.5) UI for the Analysis Statistics in a large system. Currently the groups are organized in decreasing order of lag which is great to troubleshoot latency issues. However, if one w...

Guest over 2 years ago in AVEVA™ PI Server / Analytics & Calculations 0 No status

23 VOTE

Allow default value for rollup analysis

Allow a default value to be specified for rollup analysis. This value would be used when the rollup cannot find any matching attributes, thereby eliminating a lot of rollup analysis errors and Calc Failed values from being written.

Guest over 2 years ago in AVEVA™ PI Server / Analytics & Calculations 7 No status

22 VOTE

Allow BadVal to check multiple inputs or IFERROR

Right now BadVal can only check one variable or Expression. So if I am evaluating an expression with say 10 inputs, and I want the expression to output NoOutput() if any one of the 10 inputs are BadVal, then I have 2 options right now. ...

taterhead247 over 2 years ago in AVEVA™ PI Server / Analytics & Calculations 5 No status

22 VOTE

Reason Code value to AF element attribute or PI Tag

As a PI system user, I need the ability to use reason codes to develop reports and dashboards. The current functionality of PI Vision symbols and analytics do not really enable the use of the current data type of EF attribute. The ability to map ...

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

20 VOTE

Enhance functionality of NumOfChanges

By now the NumOfChanges Function in AF Analytics does not take into account the value at the start of the timerange. NumOfChanges only counts the amount of changed values of the recorded values in the given timeframe. If I query the NumOfChanges ...

juergen.b.schmidt over 2 years ago in AVEVA™ PI Server / Analytics & Calculations 4 No status

20 VOTE

Replace function to be added in AF analysis

It would be interesting to add the Replace function (like the one in StringBuilder) directly in AF Analysis

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

19 VOTE

Add reset and hold triggers to SQC analytics

Add the triggers to SQC rules to reset or hold the SQC rule. When monitoring a periodic or batch based process, a user needs to be able to hold the SQC rule or put that rule in a hold state until the process resumes. Without this feature, virtuall...

Guest over 2 years ago in AVEVA™ PI Server / Analytics & Calculations 0 No status

18 VOTE

Delay Real-Time Calculations until backfill is finished.

For recursive Analyses such as below : PrevVal(tagA,'*') + 'TagB' → output : tagA When the PI Analysis Service is down (or the node needs to be restarted), the current calculation needs to be halted until the Backfilling reaches up to the start u...

Guest over 2 years ago in AVEVA™ PI Server / Analytics & Calculations 3 No status

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