What's changed in AVEVA PI System™ Topologies?

October 2023

First edition of AVEVA™ PI System Topologies published online.

Moved internal content to docs.aveva.com.

July 2024

Added new content.

Addition of Topology 4 and supporting diagrams.

January 2025

Various updates

• Topology 3: Overview & diagram: Replaced Topology 3 diagrams and data flows.

• Changed all references of AVEVA PI Server 2023 with AVEVA PI Server 2024.

• Learn about Topology 3: Removed paragraph about two-member Data Archive collective

• List of performance metrics and outcomes (Topology 3): Changed maximum value of PI Vision simultaneous connections from 200 to 500

April 2025

Topology 4 diagrams

• Replaced Topology 4 diagrams

June 2025

Various updates

• Learn about topology testing and metrics: Added "Latest released version of PI software" to "Performance envelope testing" section.

• List of performance metrics and outcomes (Topology 3): Removed reference to collectives in 2nd bullet of Inbound Data Rate row.

• Topology 3: Things to note: Removed items 1 and 2. Removed reference to "PI Integrator for BA" from last item.

• What's changed in AVEVA PI System™ Topologies? Changed topic title from "What's new...?" to "What's changed...?"

• Added date stamp to diagrams.

November 2025

Various updates to Topology 3 and FAQs for AVEVA PI Server 2024 R2 release

• Added three new diagrams for Topology 3:

  • Topology 3A diagram

  • Topology 3B diagram

  • Topology 3C diagram

• List of performance metrics and outcomes (Topology 3): Updated performance metrics' maximum values.

• List of Data Archive tuning parameters (Topology 3): Updates to parameter values.

• List of PI Analysis Service configuration settings (Topology 3): Updates to parameter values.

• Frequently Asked Questions (FAQs) about PI System topologies: Various edits, additions, and removals of questions.

March 2026

• Updated all topology diagrams.

• Updates to topology performance metrics and outcomes, and system configuration settings

• Topology 4 diagrams reduced from four to two (removed previously titled Topology 4A and Topology 4D).

• Updated topic titles, organization, and wording consistent with PI System Topologies 2024 R2 (hybrid) version.