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Comment Automation & Control

EDDL standards continue to evolve

By Chemical Engineering |

The EDDL (electronic-device-description language) Cooperation Team (ECT; Karlsruhe, Germany; edlinks.chemengonline.com/5828-532) has released Phase 1 EDDL enhancement specifications. The enhancements on the existing EDDL include new capabilities, such as graphs, charts and images, the possibilities for archive data, and an EDD guideline for user interfaces. The results of Phase 1 will be supported by major system suppliers, such as Emerson Process Management (Austin, Tex.), Honeywell Process Solutions (Phoenix, Ariz.), Invensys Plc. (London) and Siemens AG (Erlangen, Germany), with others to follow, says ECT. The Phase 1 EDDL enhancements have been formatted and forwarded to the IEC for updating the existing standard. National committees unanimously voted in favor of the new IEC specification (IEC 61804-3).

The EDDL team is now working on Phase 2 enhancements, with goals to deliver EDDL-based OPC UA servers and protocol-independent device and diagnostic information for enterprise applications, and for establishing common requirements for harmonizing WDDL compliance test requirements. ECT is composed of four industry-standards organizations: OPC Foundation, Fieldbus Foundation, HART Communication Foundation, and Profibus Nutzer Organization.

 

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