AVEVA™ PI System™ Feedback Portal

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Status No status
Product AVEVA™ PI Vision™
Categories Analytics / Calculations
Created by Matt Voll
Created on Aug 19, 2022

RELATED IDEAS

Display's Start/End Time in Vision Calculation

be able to have a Vision calc utilize the current start and end time of the display
  • Attach files
  • VFrey
    Reply
    |     Apr 4, 2024

    I agree. I would find it helpful if the PI Vision local calculations included functionality which returned the start time, duration and end time of the PI Vision display. I think this would provide PI Vision displays similarly effective calculation potentials as the EventFrame([xxx]) function.

    DisplayTime("StartTime") => Start time of display

    DisplayTime("Duration") => Duration of display

    DisplayTime("EndTime") => End time of display

    (While I reference this using a format based upon the EventFrame([xxx]) function within EventFrame Analyses, I am happy for any format.)

    My Use Case:

    Within PI ProcessBook we had custom code which allowed the user to enter start and end times and the VBA Code would update every trend and data set to reflect those times. These VBA-created data sets were embedded with timestamps implementing similar functionality to what is now in the EventFrame([xxx]) function within analyses. We used this for event reviews to easily find the extrema values and times for a large set of tags for any random event. Since moving to PI Vision, we have made a proxy of this functionality forcing all reviews to be a static duration of one hour. This adds a lot of noise to our reviews.

    Another, more general use case would be to use PI Vision for EventFrame Analysis design and simulation.