#AF Analytics
Browse all articles tagged with #AF Analytics. Find expert insights and practical tutorials from our PI System community.

PI Vision Calculation Units: Why They Vanish & How to Restore Them
Struggling with missing units in PI Vision calculations? Learn why PI AF limits UOM propagation for summaries and discover expert strategies to display units effectively.
David Rodriguez

Scaling Rolling 24-Hour Analytics in PI AF: Strategies for Performance
Explore expert strategies for scaling PI AF Analytics to perform efficient rolling 24-hour average, max, and min calculations across thousands of assets, optimizing performance and reducing latency.
Pedro Almeida

Summing Boolean-like PI Tags: Resolving 'Error Evaluating Tag or Expression'
Encountered 'Error Evaluating Tag or Expression' when summing boolean-like PI tags? Learn how to correctly sum digital states and AF Boolean attributes for accurate calculations.
Emily Watson

PI Analysis Backfilling: Resolving 'Operation Was Cancelled' Errors
Resolve 'Operation Was Cancelled' errors during PI Analysis backfilling for long durations by adjusting PI Data Archive query limits (ArcMaxCollect) and AF SDK data access timeouts.
Ben Taylor

Calculating Motor Runtime: TimeEq and Beyond in PI System
Learn how to calculate motor runtime in PI System using TimeEq, exploring client-side VBA, server-side AF Analytics, PI DataLink, and custom AF Data References.
Daniel Fischer
Tracking Previous Good Values with PI AF Analytics
Learn how to use PI AF Analytics to reliably track the previous good value of a PI Point, even when dealing with 'Out of Service' data, ensuring robust analysis.
Elena Petrov

How to Latch the Last Good Value of a 'Bad' PI Tag with AF Analytics
Learn to latch the last good value of a 'Bad' PI Tag using PI AF Analytics. This step-by-step guide helps you maintain data continuity in PI Vision for clearer operational insights.
Sophie Bennett
Tracking Cumulative Sensor Events with PI AF Event Frame Outputs
Learn how to use PI AF Event Frame generation analyses with 'Outputs at Close' to track cumulative counts and durations for sensor reliability across many assets.
Rafael Costa

Counting Threshold Crossings: PI AF Event Frames for Tank Levels
Learn how PI AF Event Frames accurately count tank level threshold crossings, avoiding common pitfalls of duration counting with PI System analytics.
Jakub Novak

Troubleshooting PI AF Analytics 'Object Reference' Errors
Resolve the dreaded 'object reference not set' error in PI AF Analytics. Learn to diagnose and fix common causes through enhanced logging configuration for the PI Analysis Service.
Samuel Mensah

Mastering 6 AM to 6 AM Running Totals in PI AF Analytics
Learn to create daily running totals in PI AF Analytics that reset from 6 AM to 6 AM, mastering the crucial midnight crossover with conditional logic.
Amit Patel

AF Analytics & Time Zones: Mastering Local Time Calculations in PI System
Dive deep into managing time zones within PI AF Analytics. Learn strategies for local time-based calculations, from AF Tables to custom solutions, and tackle DST complexities.
Min-Jun Kim
About #AF Analytics
Explore our collection of articles tagged with #AF Analytics. Our expert contributors share their knowledge and experience to help you succeed with PI System implementations.
From configuration tips to advanced development techniques, these articles provide practical guidance for PI System professionals at all levels.