Language enhancements promise a revolution
A
Hart Communication Foundation product story
Edited by the Engineeringtalk editorial team
Sep 6, 2005
Implementation of recently completed enhancements to the Electronic Device Description Language by system and device suppliers is expected to revolutionise the process automation industry.
Implementation of recently completed enhancements to the Electronic Device Description Language (EDDL, IEC61804-2) by system and device suppliers is expected to revolutionise the process automation industry.
The enhancements make standardised device configuration a reality allowing users to easily visualise and configure millions of installed Hart-enabled intelligent devices.
"The standardisation of device configuration is as significant to the process industry as the creation of Windows was for PCs", says Ed Ladd, Director of Technology Programmes for the Hart Communication Foundation (HCF).
"One DD to work everywhere - that's our goal".
"And we expect this technology to be available to users by the first of the year".
The enhanced EDDL enables users to interact with their intelligent devices in new ways.
The enhancements include improved data visualisation and display capabilities - like waveforms and valve signatures, a standardised method to access historic measurement or device performance information and enhanced tools for high-level information (such as algorithmic relationships for complex device parameters) display and use in control systems.
During the EDDL Enhancements Interoperability Workshop 11 different HCF member companies used HCF standard EDDL tools - the Device Description Integrated Development Environment (DD-IDE) and the Smart Device Configurator (SDC-625) - to assess the interoperability of enhanced EDD files for their devices across different EDD-enabled host platforms.
"The enhanced EDDL benefits both users and developers by reducing the complexity and streamlining the process", Ladd says.
"The enhanced capabilities provide users with more information about the connected device while giving developers the tools they need to ensure a consistent look and feel across DDL-enabled host applications".
The EDDL enhancements are the result of an unprecedented collaborative project between the Hart Communication Foundation and other international fieldbus organisations and automation system and device suppliers.
Specifications for the enhanced EDDL have been submitted to the IEC for approval and manufacturers have begun implementation of the new EDDL.
HCF member companies participating in the Interoperability Workshop were: ABB, Emerson, Endress+Hauser, Exalon Delft, Foxboro-Eckardt, Honeywell, Krohne, Saab, Samson, Siemens and VEGA.
A key element of the Hart technology since 1990, EDDL is the Hart standard and the only technology endorsed by the HCF for configuration of Hart devices.
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