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Last Updated: June 16, 2007
What is EDDL?
The EDDL technology enables a Host System manufacturer to create a single engineering environment that can support any device, from any supplier, using any communications protocol, without the need for custom software drivers for each device type.
Electronic Device Description Language EDDL is a text-based language for describing the digital communication characteristics of intelligent field instrumentation and equipment parameters - device status, diagnostic data, and configuration details - in an operating system (OS) and human machine interface (HMI) neutral environment.

Initially developed in 1992 for use as part of the HART Communication Protocol (HART www.hartcomm.org), EDDL based-technologies continue to evolve. EDDL is being enhanced to extend the concept of Interoperability to the HMI and diagnostic data.

Today EDDL technologies form the engineering and operating foundation on which all major digital fieldbus protocols - FOUNDATION™, HART®, and Profibus - construct parametric and device descriptions. And, because EDDL is an open technology with international standard status, it can be easily and effectively applied to any device and any fieldbus protocol.
EDDL Electronic Device Description Language
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