The Open Group, through The Open Group Open Process Automation Forum (OPAF), recently published the O-PAS Standard, Version 2.0.
The Standard provides a vendor-neutral Reference Architecture which enables the construction of scalable, reliable, interoperable, and secure process automation systems.
The O-PAS Standard has been updated to put further emphasis on standardized system configuration portability to significantly reduce capital cost and time investment for end-users. With these capabilities, end-users can easily exchange equipment without being tied to a single vendor or requiring individual configuration parameters to be written in different operating languages.
The standard also sees increased focus placed on Security and System Management which is key to any successful control strategy.
The latest version is an important milestone on the journey to vastly improving the level of interoperability among compliant DCS products.
The Standard is supported by The Open Process Automation Business Guide, which provides the motivation and vision for a standards-based, open, interoperable, and secure process automation architecture as a business imperative for both users and suppliers of industrial control systems.