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Uniform Fieldbus-Wide Language Standard for Device Description
 
22.11.2005

Karlsruhe ? April 19, 2004:

The fieldbus organizations HART Communication Foundation, Fieldbus Foundation and PROFIBUS International agreed to a common language standard with respect to the Electronic Device Description Language (EDDL). EDDL represents the introduction of the first generic guideline for integrating field devices in the control system. The EDDL specification is available as international standard IEC 61804-2.

Device manufacturers author a product description (EDD) in a text file that is independent of the operating system and in accordance with IEC standard 61804-2. An EDD application interprets the information contained in this file and creates a user interface. The user utilizes the application for engineering, commissioning, operating and monitoring as well as for the diagnostics of the devices. The EDD application falls back on a catalog which currently contains the EDDs of more than 1,000 devices from more than 100 device manufacturers.

Parallel to the introduction of the EDDL standard, the three fieldbus organizations HART Communication Foundation, Fieldbus Foundation and PROFIBUS International established a cooperation project with the goal of jointly advancing the development of EDDL technology. This project features representatives from device manufacturers, control system manufacturers and fieldbus organizations. Unified graphic elements and archives were specified within the scope of this cooperation.

In the second phase, plans include the definition of an XML exchange format, additional graphic elements and semantic expansions. At the conclusion of the work, the results will be entered into IEC 61804-2, so that they can also become international standard.

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PROFIBUS International
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Barbara Weber
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Phone: ++ 49 7 21 / 96 58 - 5 49
Fax: ++ 49 7 21 / 96 58 - 5 89
E-Mail: press@profibus.com

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