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{{AFC submission|d|nn|u=Bwg21|ns=118|decliner=S0091|declinets=20240911144425|ts=20240520181210}} <!-- Do not remove this line! -->
{{Infobox technology standard
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The Open Process Automation Standard (O-PAS standard) is developed by the [[Open Process Automation Forum]] (OPAF) and published by [[The Open Group]]..<ref>{{Cite web |title=The Open Group Open Process Automation Forum Publishes the O-PAS Standard, Version 2.0 {{!}} www.opengroup.org |url=https://www.opengroup.org/open-group-open-process-automation-forum-publishes-o-pas-standard-version-20 |access-date=2024-02-21 |website=www.opengroup.org |language=en}}{{primary source inline}}</ref> It defines a standards-based, open, secure, and interoperable process control architecture.<ref>{{Cite web |title=The State of the Open Process Automation Standard (O-PAS) |url=https://www.automation.com/en-us/articles/december-2020/the-state-open-process-automation-standard-o-pas |access-date=2024-02-21 |website=automation.com |language=en}}</ref><ref>{{Cite web |last=Mintchell |first=Gary |date=2021-06-02 |title=The Open Group Open Process Automation Forum Publishes the O-PAS Version 2.1 Preliminary Standard |url=https://themanufacturingconnection.com/2021/06/the-open-group-open-process-automation-forum-publishes-the-o-pas-version-2-1-preliminary-standard/ |access-date=2024-02-26 |website=The Manufacturing Connection |language=en-US}}</ref> As an [[open standard]] it addresses the business problem of [[vendor lock-in|proprietary lock-in]] experienced by companies that use [[Industrial control system|industrial control systems]].<ref>{{Cite web |last=Neil |first=Stephanie |date=2021-07-21 |title=The First Open Industrial Control System Rolls Out |url=https://www.automationworld.com/control/article/21577184/industrial-control-system-for-open-process-automation |access-date=2024-04-22 |website=Automation World}}</ref> The standard enables [[Disruptive innovation|innovation]] in the process automation market.<ref>{{Cite web |last=Emerson |first=David |date=December 4, 2019 |year=2019 |orig-date=December 4, 2019 |title=What is Open Process Automation™ and the Value of O-PAS™ |url=https://www.youtube.com/watch?v=4GXWFLko4Yg&t=44s |access-date=May 17, 2024 |publication-date=December 4, 2019 |via=youtube.com}}</ref> The scope of the standard currently excludes [[Safety instrumented system|safety instrumented systems]] and field devices<ref>{{Cite web |last=Fort |first=David |date=August 24, 2021 |title=O-PAS™ Standard 2.1 Overview & Benefits - David Fort |url=https://www.youtube.com/watch?v=vYv0-i8cleY&t=23s |access-date=May 17, 2024 |website=youtube.com}}</ref> like [[instrumentation]] and [[Actuator|actuators]].
== O-PAS System Attributes ==
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The O-PAS standard Part 1 focuses on an additional four quality attributes that are critical to success: interchangeability, interoperability, portability, and modularity
{| class="wikitable"
|+23 Quality Attributes
|Foundational
| colspan="
|-▼
|Key
| colspan="3" |
|-
|General
▲|Safety
|Availability▼
|Compatibility▼
|Configurability▼
|Discoverability▼
|Evolvability▼
▲|Interchangeability
▲|-
|Reusability▼
|Flexibility▼
|Maintainability▼
|Manageability▼
▲|Reliability
|Standard Conformance▼
|Resilience▼
▲|Interoperability
▲|Securability
|Scalability▼
|Traceability▼
|Usability▼
|
|
|
▲|Portability
Testability<br>
▲|Modularity
|}
== History ==
{| class="wikitable"
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== Structure of the O-PAS Standard ==
The O-PAS standard is available to the public for download free of charge on the publisher's website.<ref>{{Cite web |title=Open Process Automation™ Standards |url=https://publications.opengroup.org/standards/opa |access-date=2024-05-14 |website=publications.opengroup.org}}</ref> The standard contains 14 different chapters where each part addresses a different topic and a glossary<ref>{{Cite web |title=The State of the Open Process Automation Standard (O-PAS) |url=https://www.automation.com/en-us/articles/december-2020/the-state-open-process-automation-standard-o-pas |access-date=2024-05-14 |website=automation.com |language=en}}</ref><ref>{{Cite web |last=Montague |first=Jim |date=2024-03-20 |title=Plug-and-play products, testbeds built on O-PAS foundation |url=https://www.controlglobal.com/control/distributed-control/article/33038934/plug-and-play-products-testbeds-built-on-o-pas-foundation |access-date=2024-05-14 |website=Control Global |language=en}}</ref><ref>{{Cite web |title=Open Process Automation Forum Modernizing Manufacturing |url=https://www.automation.com/en-us/articles/march-2022/open-process-automation-forum-modernizing-manufact |access-date=2024-05-14 |website=automation.com |language=en}}</ref><ref>{{Cite web |title=Secure and Interoperable Automation Systems: Exploring the O-PAS™ Standard's Security Approach |url=https://www.linkedin.com/pulse/secure-interoperable-automation-systems-exploring-o-pas-hiregange |access-date=2024-05-17 |website=www.linkedin.com |language=en}}</ref>
'''Part 1 Technical Architecture'''
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The Open Process Automation Forum seems to be aware of the [[technology life cycle]] and [[technology adoption life cycle]] in efforts to boost industry adoption<ref>{{Cite web |title=Open Process Automation Forum Modernizing Manufacturing |url=https://www.automation.com/en-us/articles/march-2022/open-process-automation-forum-modernizing-manufact |access-date=2024-05-06 |website=automation.com |language=en}}</ref>. A number of reference implementations, proofs of concept, field trials, and test beds have been developed in accordance with the O-PAS™ standard. Publicly announced implementations are listed alphabetically below:
* ExxonMobil Test Bed<ref>{{Cite web |last=Neil |first=Stephanie |date=2019-07-10 |title=ExxonMobil Readies Open Process Automation Test Bed |url=https://www.automationworld.com/products/control/blog/13319992/exxonmobil-readies-open-process-automation-test-bed |access-date=2024-02-26 |website=Automation World}}</ref> and Field Trial<ref>{{Cite web |last=Montague |first=Jim |date=2023-03-15 |title=ExxonMobil OPA field trial on the docket |url=https://www.controlglobal.com/control/distributed-control/article/33001657/exxonmobil-opa-field-trial-on-the-docket |access-date=2024-02-26 |website=Control Global}}</ref> and Commercial Deployment<ref>{{Cite web |last=Kasprzak |first=Sheri |date=2025-03-03 |title=New insights: 100-controller ExxonMobil Open Process Automation |url=https://www.controleng.com/new-insights-100-controller-exxonmobil-open-process-automation/ |access-date=2025-03-08 |website=Control Engineering |language=en-US}}</ref>
* Georgia Pacific Demonstration Board<ref>{{Cite web |last=Montague |first=Jim |date=2021-03-24 |title=OPAF/O-PAS world tour |url=https://www.controlglobal.com/manage/systems-integration/article/11292898/opaf-o-pas-world-tour |access-date=2024-02-26 |website=Control Global}}</ref>
* Petroleum Development Oman Field Pilot<ref>
* Petronas Test Bed and Field Trial<ref>{{Cite web |title=Petronas Advances In Autonomous Operations With O-PAS Automation Test Bed And Field Trial {{!}} Petronas Global |url=https://www.petronas.com/media/media-releases/petronas-advances-autonomous-operations-o-pas-automation-test-bed-and-field |access-date=2024-02-26 |website=www.petronas.com}}</ref><ref name=":0" />
* Reliance Industries Test Bed<ref name=":0" />
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