Analytics & Calculations

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Allow Asset Analytics to Evaluate functions for questionable flagged values

Data can be flagged as questionable, which should mean the value may or may not be valid. Asset Analytics seems to be rejecting the value as Bad. The function instead should evaluate the result, but flagging the result as questionable as well.

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

12 VOTE

Add an analysis function to find the Kth largest value in an array

Expression analyses allow you to find the largest value of an attribute over a specified time range using the TagMax function. A function which offers the ability the find the Kth largest value (i.e. 2nd, 3rd, etc.) would be useful. Something simi...

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

12 VOTE

Asset Analytics should have a performance counter to indicate data loss on the UpdateManager queue

Currently there is no way to know if Analytics missed important updates (e.g. start of a batch) without analyzing the message logs. However, the AFSDK does provide an indication on the DataPipe if the pipe is in an overflow state, allowing for a c...

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

12 VOTE

Insert New Variable in Analysis Template

I would like to be able to insert a new variable above or below a highlighted variable, instead of having the new variable always go to the bottom of the list. This is very problematic when needing to add a new variable to the top of the list when...

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

12 VOTE

Enable Compression for recalculated Analyses up to "Now"

Analysis Recalculation produces Out of Order Events, which means they are not compressed. The reason for this behavior is, that there is a more recent snapshot value existing. This also happens, when Recalculation is performed till "Now" (*), beca...

Guest over 2 years ago in AVEVA™ PI Server / Analytics & Calculations 6 No status

11 VOTE

Give analyses format function the ability to format timestamp

Give analyses format function the ability to format timestamp similar to the one in the formula data reference. e.g. Format (datetime, "dd-MMM-yyyy HH: mm: ss");

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

11 VOTE

Flexible Analysis Scheduling Options

Users should have flexible Analysis scheduling options, similar to the Outlook recurring meeting options. See attached image for date-based recurrence patterns. Similar patterns for time would be helpful as well. As is, many PI Analysis users ar...

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

11 VOTE

AF/Analysis Number Base Conversion Functions

There are no number base conversion functions available in AF Analysis. There are many situations where I need to convert numbers between different 'number bases'. I frequently work with MODBUS devices and there are many times number base conversi...

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

10 VOTE

Which attribute triggered analysis

I have an analysis that is event-triggered by multiple attributes. This analysis has the purpose of merging input attribute events with output tag, therefore I need to know which attribute triggered analysis to save only the newest event to outpu...

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

10 VOTE

Function to retrieve Instrument tag

I want to have a function to retrieve a PI Tags Instrument tag in AF analytics

Hobbe over 2 years ago in AVEVA™ PI Server / Analytics & Calculations 8 No status

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