Yokogawa obtains OPC UA certification
Yokogawa Electric’s OpreX Open Automation SI Kit for Open Process Automation (OPA) systems has been certified for conformance with the OPC Unified Architecture (OPC UA) profile of the Open Process Automation Standard (O‑PAS), an open standard for process automation control systems developed by Open Process Automation Forum (OPAF).
OPA promotes the adoption of an open, secure and interoperable process control architecture that will enable the flexible combination of devices and software from different manufacturers. The ability to construct systems without being dependent on any one vendor will ensure both flexibility and scalability while promising to hold down costs over the entire system lifecycle.
Granted by the OPC Foundation, this OPC UA certification officially confirms that release 1.02.10 of Yokogawa’s Open Automation SI Kit conforms with the OPC UA client/server communication profile (OCF‑001: O‑PAS Connectivity Framework) defined in the O‑PAS standard as a connectivity framework layer for handling the flow of information between components through standardized interfaces—communication methods and models. OPC UA is adopted as the communication protocol for control, and an O‑PAS specific information model is defined.
Certification for conformance with the O‑PAS OPC UA profile confirms that systems with the Open Automation SI Kit installed can provide standard, reliable communication and data exchange, enabling seamless interoperability between O‑PAS components supplied by Yokogawa and other vendors.
As a member of OPAF, which consists of 95 companies and other organizations, Yokogawa has carried out multiple OPA-related demonstration projects in collaboration with oil companies. These efforts, spanning the planning, development, testing and continuous improvement of OPA technologies, have led to this.

