ISA100 WCI, NAMUR, ODVA, PI, VDMA, and ZVEI Plan to Partner with FieldComm Group and OPC Foundation to Collaboratively Develop the Process Automation Device Information Model Standard

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August 23, 2022

Major standards development and end user organizations serving the process automation industry recently announced ongoing collaboration work on the specification for a standardized Process Automation Device Information Model (PA-DIM). Participating organizations plan to share ownership of the specification and collaboratively participate in the PA-DIM working group, hosted at FieldComm Group, creating enhancements and extensions to the PA-DIM specification.

Expanding ownership to these organizations and their members will further solidify the adoption of the OPC UA-based standard model for core field device information in process automation plants today and new products going forward.

New co-owners of the PA-DIM specification include ISA100 WCI, ODVA, PROFIBUS/PROFINET International, NAMUR, VDMA, and ZVEI.

Statements of support follow:

Andre Ristaino, Managing Director of ISA100 WCI: “As a standards-driven organization, the ISA100 Wireless Compliance Institute has been supporting the ISA100 Wireless (IEC 62734) standard with its core mission of assuring device interoperability. The PA-DIM specification fits into our mission and we have adopted it as the foundation for standardized data exchange in our ISA100 Wireless ecosystem.”

Ted Masters, President & CEO FieldComm Group: “PA-DIM helps bridge the gap between IT and OT systems in a protocol agnostic way.  This coupled with the extensive use of semantic identifiers provides an ideal solution to allow end users to access instrumentation data from both the installed base and newly installed instruments.  We are delighted that the major standards bodies and end user organizations in the process automation industry have agreed to collaborate on this important standard.”

Michael Pelz, Vice President, Christine Oro Saveedra, General Manager, NAMUR (User Association of Automation Technology in Process Industries):

“NAMUR bundles end-user competencies for automation and digitalization within the process industry to enable more efficient, sustainable, and secure processes. NAMUR Open Architecture (NOA) aims to make stranded production data easily and securely accessible and more importantly usable for plant and asset monitoring as well as optimization. NOA enables this without compromising the availability or OT-Infrastructure of a production facility. In order to use NOA effectively, standardized information models are essential. For this reason, NAMUR, in cooperation with ZVEI, supported the PA-DIM activities at a very early stage in order to develop a common data model as an interoperable, non-proprietary interface. It is a great signal that the future development of PA-DIM is now supported and adapted by further organizations. A signal that with this broadly supported standard, investment-safe (NOA) projects can be realized in the long term.”

Dr. Al Beydoun, President & Executive Director of ODVA: “ODVA is pleased to support the PA-DIM profile to enable greater information standardization within process automation, which will allow for more seamless data analysis and prognostics. End users of EtherNet/IP networks will be able to leverage PA-DIM to move data from the field to the cloud and to realize improved data standardization across networks.”

Stefan Hoppe, OPCF President & Executive Director: “Digitization needs a secure transfer of globally accepted information models across industries, technologies, and applications. No single organization can achieve this alone! OPCF, as a co-owner from the beginning, welcomes to extend the ownership of PA-DIM to ensure this necessary global acceptance. OPC UA over MQTT is the only accepted field-to-multi-cloud solution – the combination with PA-DIM plus 70+ additional information models is unique.”

Karsten Schneider, Chairman PROFIBUS & PROFINET International: “For us at PI, standardized information models like PA-DIM are a key enabler for the digital transformation. Since PROFINET is based on standard Ethernet, it can be used as the infrastructure in plants for all data exchange needs. With OPC UA being a perfect match for vertical communication in addition to PROFINET’s powerful and rich feature set, your automation solution will be ready for Industry 4.0.”

Andreas Faath, VDMA Head of Machine Information Interoperability: “Interoperability is one of the major pillars for intelligent production. The VDMA’s vision is to achieve interoperability not only within the machine building industry but also across industries. VDMA will support the PA-DIM standard with its experience out of 60+ released or in development domain-specific and cross-domain harmonized OPC UA-based information models, including models for the area of process industry, for example, pumps and motors. We like to share this knowledge and are delighted to be part of PA-DIM and to support this new collaboration between mechanical engineering and process industry.”

Felix Seibl, ZVEI Managing Director: “Automation and Process Automation are the Key enablers to face the Major Challenges of the Future: Sustainable, efficient, and interoperable production. By creating and introducing smart digitalization concepts, for example NOA (NAMUR Open Architecture), together with the end users of NAMUR, ZVEI and its member companies help process and discrete industries to master these challenges. We are happy and feel privileged to become a co-owner of PA-DIM, which is a great basis for our digitalization efforts.”

Since 2017, FieldComm Group and OPC Foundation, as original co-owners and co-developers, have collaborated with standards organizations and users to create the PA-DIM specification to address end user use cases and requirements as outlined in NAMUR’s recommendations (NE 175, NE 176), also known as the NAMUR Open Architecture. The first version of the specification was published on 31 March 2020 and includes an information model and semantic identifiers for common process automation instrument types including pressure, differential pressure, temperature, level, flow, and valve positioners. Current activity within the working group is focused on extending the model to include process analyzers.

Benefits of PA-DIM

The Process Automation Device Information Model is a specification that allows for protocol agnostic communication of common process automation instrument parameters, including semantic IDs as defined by IEC 61987, using OPC UA information modeling techniques. Eliminating automation protocol dependencies simplifies the integration of IT and OT systems. Including semantic device information enables unambiguous machine-to-machine (M2M) communication. Fieldbus-specific implementations are converted into the address space of the PA-DIM Information Model.

Products using PA-DIM can easily support the NAMUR Open Architecture (NOA) use cases including automated as built, unique identification, device dimensioning, multivariable possibility check, read multivariable process values, device life cycle backup, health monitoring, and diagnosis.

For more information, visit Fieldcomm Group’s site HERE, and the OPC Foundation’s site HERE.

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