ARC Advisory Group

Industry Standards Groups to Converge Their Work

Blog Post created by ARC Advisory Group on Dec 8, 2017

At the NAMUR General Assembly (Bad Neuenahr, Germany) on 9 and 10 November 2017, in a combined presentation, NAMUR (represented by Michael Krauss of BASF), ZVEI (represented by Jörn Oprzynski  of Siemens), and The Open Group (represented by Don Bartusiak of ExxonMobil), announced that the three automation standards parties agreed to make sure that their three standardization initiatives; Namur Open Architecture (NOA), Module Type Package (MTP) and Open Process Automation (OPA) will be converging to a consistent overall architecture.

Krauss argued that progress and innovation in process automation is often limited by lacking platforms, interfaces and data models. These aspects are addressed by initiatives such as NOA, MTP and OPA. The NAMUR open architecture addresses the need for standardized and safe interaction of the deterministic and highly available process control and production systems with plant focused or enterprise-wide monitoring and optimization applications in the cloud, for example asset (fleet) performance monitoring. When equipment data is exposed to the cloud, it is extremely efficient to use a standardized information model (including parameters and their descriptors), and when changes in operations or process management are suggested, these messages must be verified for authenticity. The day before, the NOA working group had presented four use cases to show progress:

  1. Export instrument trends to the cloud
  2. Perform calculations based on multiple instrument values in the cloud
  3. Perform a verification of request and
  4. Compare as-designed engineering data with as-installed information from the plant.

Jörn Oprzynski gave a summary of MTP, a package describing the functions of a package unit (including process equipment, instrumentation, actuators and automation) to support enhanced flexibility, shorten time-to-market and reduce engineering and integration time of new equipment or package units in new or existing lines, in a context of ever faster changing product definitions and Industrie 4.0. An MTP is typically generated in engineering, and transmitted during plant construction or modification to facilitate integration in the overarching control system. MTP will contain at least five sub packages: HMI, diagnose/maintenance, alarm management, historical data and condition-based process control. The HMI package is functional and has been demonstrated for several combinations of engineering and control systems. Several VDI/VDE/NAMUR standards have been published, and goals for 2018 include additional new standards and internationalization in the form of IEC standards.

Industry Automation StandardsSummary of Main Targets and Needs (Source: NAMUR)

Don Bartusiak introduced the rationale for an open approach to automation, explained ExxonMobil’s reference architecture and gave a progress report and timeline for the prototype, an open automation standard, and commercial systems. Readers can refer to many publications by ARC’s Harry Forbes for more details.

NAMUR. MTP, OPA Convergence Summary

Michael Krauss summarized the three initiatives in a graphical concise manner and presented a common architecture for the future. The three initiatives have their own targets that partially overlap, while being complimentary. An overarching goal is to have as few standards as possible. The intent by the three groups is then to integrate MPT and NOA into the OPA reference architecture to integrate existing DCS, PLC and (we expect) existing instrumentation with the new, open real-time service bus, where the NOA monitoring and optimization functions would find their home in the computing platform.

ARC very much welcomes this intended alignment, and looks forward to the gain in efficiency in standard development and implementation this will bring to the end users and to the automation industry.

Composite Architecture and EvolutionNAMUR-MTP-OPA Composite Architecture and Evolution (Source: NAMUR)

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 About ARC Advisory Group (www.arcweb.com): Founded in 1986, ARC Advisory Group is a Boston based leading technology research and advisory firm for industry and infrastructure.

For further information or to provide feedback on this article, please contact akanagali@arcweb.com

 

 About The Author:

Valentijn de Leeuw

Vice President

 

Valentijn's responsibilities include research and consulting in the process industries, with a focus on clients in Europe, the Middle East, and Africa.

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