Analytics
Sample description for Analytics

PI DataLink: Calculate Duration a PI Tag Stays Within a Range
Learn how to precisely calculate the total duration a PI Tag's value remains within a specific range using the powerful PITimeFilterVal function in PI DataLink.
Pedro Almeida

Mastering MTD & YTD with PI AF Analytics: A Step-by-Step Guide
Learn to calculate dynamic Month-To-Date (MTD) and Year-To-Date (YTD) totals using PI AF Analytics, leveraging TagTot and PI time syntax for accurate, automated reporting.
Nadia Kowalczyk

Handling Excluded Attributes in PI AF Analyses: Resolving Input Errors
Facing 'Failed to resolve required input' errors in PI AF analyses due to excluded attributes? Learn how to leverage the BadVal() function in PI AF 2018 and later to gracefully handle missing inputs.
Nguyen Minh Duc

Optimizing Cumulative Duration with TimeEq in PI AF Analytics
Learn expert strategies to optimize TimeEq function performance in PI AF Analytics for cumulative duration calculations, avoiding costly historical data re-evaluations.
Wei Zhang

PI AF Calculations: Formula DR vs. Analysis Service Deep Dive
Compare PI AF Formula Data References and PI AF Analysis Service for calculations, covering best practices, performance, and conversion considerations for PI System professionals.
Viktor Lindqvist

PI AF Templates: Best Practices for Enterprise Design
Master PI AF template design for enterprise deployments. Learn best practices for asset hierarchies, element references, attribute structure, and avoiding common pitfalls.
Marco Rossi

Mastering Time Arithmetic: Adding Durations in PI AF Analytics & AF SDK
Unlock the secrets of precise time arithmetic in the PI System. Learn to add durations to timestamps in PI AF Analytics and AF SDK, handling time zones and dynamic inputs with expert techniques.
Siti Rahman

Capturing the Last Good PI Tag Value with AF Analytics
Learn how to use PI AF Analytics to capture the last good value of a PI tag, ensuring it falls within a specified min/max range and isn't a bad quality reading.
Wei Zhang

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
![Resolving '[-11414] Buffered point does not accept new events' on PI Analysis Tags](/_next/image?url=https%3A%2F%2Fijxp0ekv3cdavdmr.public.blob.vercel-storage.com%2Farticles%2Fresolving-11414-buffered-point-does-not-accept-new-events-pi-analysis-tags-hero-troubleshooting-Fg4VUuISmBdpywZ4zT8eDXjcgFau8B.png&w=3840&q=75)
Resolving '[-11414] Buffered point does not accept new events' on PI Analysis Tags
Encountering '[-11414] Buffered point does not accept new events' when editing PI Analysis output tags? Learn the root cause and multi-step solution.
Andres Vargas

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
About Analytics
Explore our collection of expert articles about Analytics. Our content is written by experienced PI System professionals and covers everything from basic concepts to advanced implementation techniques.
Whether you're new to PI System or an experienced engineer, you'll find valuable insights, tutorials, and best practices to help you get the most out of your industrial data infrastructure.