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ANNEX A to ISO/TC184/SC5 N 637

NEW WORK ITEM PROPOSAL:
ISO 15745: Open Systems Application Frameworks - Part 3: Application integration framework reference description for EN 50170 and EN 50170:prA3 based control systems

Scope
This International Standard will define an Open Systems Application Integration Framework - a set of elements and rules for describing Application Interoperability Profile(s). The Application Integration Framework defines a common environment for integrating applications and sharing information (in all phases of a system life cycle) in a given application domain applying communication systems according to EN 50170 and EN 50170:prA3.

An Application Interoperability Profile may consist of several profiles, such as information exchange profiles, resource profiles, and process profiles, and other Application Interoperability Profiles.

This part of the standard defines the elements and rules specific to EN 50170 and EN 50170:prA3 based control system for developing:

  • Templates for Application Resource Profile
  • Conformance testing requirements for the Application Resource Profile

NOTE 1 - Generic-templates for Application Interoperability profile, Application Process profile, and Application Information exchange profile are specified in Part 1 of this standard.

NOTE 2 - The specification of Application Interoperability profiles for domain specific applications are not in the scope of this part of the standard.

This International Standard will be applicable within the scope of ISO TC 184/SC 5.
Purpose for using EN 50170 and EN 50170:prA3

The purpose of the project and the resulting International Standard is to provide:

  1. a framework to support the re-usability of simple and complex specifications (define once - use many times).
  2. a method to describe an application profile in term of its communication profiles, device profiles, and process profiles;
  3. an interface specification to allow access to the profiles within the a domain-specific application domain.
  4. an Integration Framework for those systems that apply the EN 50170 and EN 50170:prA3 .
    The primary users of this International Standard are foreseen to be the developers of domain specific application profiles.

Because of the ever increasing complexity of products and manufacturing processes, the production and process control capabilities provided by industrial automation systems are essential for the smooth planning, operation and management of manufacturing plants. Today?s industrial automation systems generally are missing a possibility to re-use specifications (i.e. profiles) that are proven, tested and in use for a long period of time. As a consequence of this situation, system integration is characterized by:

  • Low flexibility of solutions,
  • Difficulty to enhance or extent functionality,
  • Low level of integration, and
  • High integration, engineering and maintenance costs.

There are key benefits that arise from the ability to capture, organize, disseminate, and validate the application requirements. By organizing the application requirements in a systematic fashion, application profiles can then be utilized by end users, system integrators, equipment vendors, etc. The application framework, which is the focus of the International Standards, defines the rules to develop useful, tested and proven application profiles. Benefits to the enterprise are realized by conforming to the application profiles. Small and medium size enterprises, in particular, will benefit from the framework.

Justification of using EN 50170 and EN 50170:prA3 based control systems

EN 50170 and EN 50170:prA3 compliant communication systems are used widely in the automation domain. Many domain-specific profiles are defined and in use all over. They rely on a proven technology that is sold in high quantities in the global market. Many industrial automation systems support EN 50170 or EN 50170:prA3 compliant interfaces for several years. What is missing is a framework for the definition, publication and maintenance of these profiles.

By referencing well defined and internationally or regionally specified domain-specific profiles, end users can easily reference EN 50170 and EN 50170:prA3 based profiles in their specification and procurement.

By using tested and proven profiles as well as generic tools based on this application framework, system integration will be simplified through the re-use of profiles. With specific application profiles agreed upon in an application domain, the system integrator can state easily conformity to the procurement specification.

By defining and applying re-usable specifications based on the application framework, vendors are enabled to provide and develop new products without starting from the scratch.

Finally: The technical content of EN 50170 and EN 50170:prA3 has been balloted in IEC (IEC 61158-3, -4, -5, and -6).

More Details (visit the SC5 site as a guest)

23.07.2001


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