This Document
This document is the O-PAS™ Standard, Version 2.1, a Standard of The Open Group. It has been developed and approved by The Open Group.
The O-PAS Standard consists of the following 12 parts:
- O-PAS Part 1 – Technical Architecture Overview (Informative)
- O-PAS Part 2 – Security
- O-PAS Part 3 – Profiles (Informative)
- O-PAS Part 4 – O-PAS Connectivity Framework (OCF)
- O-PAS Part 5 – System Management
- O-PAS Part 6.1 – Information and Exchange Models: Overview and Interfaces
- O-PAS Part 6.2 – Information and Exchange Models: Basic Configuration
- O-PAS Part 6.3 – Information and Exchange Models: Alarm and Events Configuration
- O-PAS Part 6.4 – Information and Exchange Models: Function Blocks
- O-PAS Part 6.5 – Information and Exchange Models: IEC 61499
- O-PAS Part 6.6 – Information and Exchange Models: IEC 61131
- O-PAS Part 7 – Physical Platform
The parts listed are separate documents that can be updated and re-versioned as required as we move forward with the O-PAS Standard.
This document supersedes the O-PAS Preliminary Standard, Version 2.1 published in May 2021, the O-PAS Preliminary Standard, Version 2.0 published in February 2020, and the O-PAS Standard, Version 1.0 published in December 2019.