Plan adoption and lifecycle ownership
Business case, pilot strategy, requirements, procurement, acceptance, operations and technology refresh.
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Vendor-Neutral OPA / O-PAS Guidance
Open Process Automation Knowledge Hub Find the guide for the decision you are making
CSI's practical Open Process Automation and O-PAS™ library for owner-operators, EPC teams, controls engineers and automation leaders—from business case and procurement through architecture, integration, acceptance and lifecycle operations.
Execute an O-PAS project
Bid strategy, estimating, supplier selection, scheduling, integration, FAT, commissioning and handover.
Follow the EPC Execution Roadmap →Go directly to the authority library
Architecture, interfaces, IEC 61131 applications, cybersecurity, verification, recovery, resilience and lifecycle change.
Browse Technical Guides ↓Start here
Choose the decision path, not a random document
Why
Build the Business Case
Evaluate lifecycle economics, migration timing, obsolescence exposure and owner-controlled automation assets.
StartPlan the First Deployment
Select a real project that produces reusable architecture, integration and lifecycle evidence.
ExecuteUnderstand the Integration Role
See how architecture, suppliers, applications, integration, acceptance and lifecycle handover fit together.
Authority library
Browse O-PAS guidance by project function
Define the system
Control application assets
Define and price scope
Prepare execution
Prove the project
Sustain owner control
Reference tools
Check the market and product evidence
Landscape
O-PAS Vendors & Products
Explore supplier and product options by architecture role without treating a market list as a project recommendation.
EvidenceConformance Certification Tracker
Check exact product/version evidence and then verify current claims against authoritative certification records.
LearnCSI Academy
Use structured training when you need a learning path rather than a project-specific authority guide.
How to use this library
Authority pages answer different questions
Product evidence
What does the product prove?
Use certification and product records for the exact evaluated product and scope.
System evidence
Do the selected products work together?
Use project integration and interoperability evidence under the intended architecture and configuration.
Project evidence
Does the delivered system satisfy the contract?
Use requirements traceability, FAT, SAT, commissioning and lifecycle acceptance records.
Need a project path rather than another article?
Start with the roadmap for your role
O-PAS™ and Open Process Automation™ are trademarks of The Open Group. CSI is an independent commercial licensee of the O-PAS Standard. CSI's guidance is independent project and lifecycle material and does not imply endorsement by The Open Group. Applicable contracts, owner requirements, the current O-PAS Standard and authoritative certification records govern individual projects and product claims.