This specification provides a high-level introduction to the Unified Architecture technology covering:
- Introduction of each of the OPC UA Specifications
- Overview of the design, security, and scalability goals
- Client/Server methodology used by OPC - Systems concepts of OPC, such as address-space, subscriptions, and events
- Introduction of the concepts behind the Services (interfaces)
License: OPC Specifications Agreement of Use
OPC Foundation membership fees are used by the OPC Foundation for the continuous improvement of this specification, which includes bug-fixes and adding new features as required by the continuous advancement of the OPC Specifications.
Have a Suggestion / Request for enhancement / New Features? Please Join an OPC Foundation Member Working Group (details may be found here). You may also submit requests to the OPC Foundation email address of. All suggestions become the property of the OPC Foundation.
Activities including bug-fixes and feature requests as reported in our Mantis bug-tracking system:
|1.04||Release||Part 1: Overview and Concepts||2017-11-22||Icon|
|1.03.03||Release Candidate||ZIP/DOCX (30-day review)||2015-07-21||Icon|