Device description uses enhanced language
A
Hart Communication Foundation product story
Edited by the Engineeringtalk editorial team
May 22, 2006
The first Device Description to use the advanced capabilities of enhanced Device Description Language has been registered in the HCF DD Library.
The Hart Communication Foundation (HCF) announces that the first Device Description (DD) using the advanced capabilities of enhanced Device Description Language has been registered in the HCF DD Library.
Registration of the first enhanced DD represents the realisation of a three-year goal to extend the capabilities of the IEC Standard Electronic Device Description Language (EDDL).
"One DD to work everywhere has been our objective since we began the process of upgrading the DD Language in 2003", says Ron Helson, HCF Executive Director.
"Specifications were written and tested".
"The enhancements have been incorporated into HCF tools for DD development and testing".
"Systems suppliers have implemented the enhanced DDL in host application systems and now, device suppliers are registering enhanced DDs for their devices".
"We are achieving our goal".
The enhancements allow manufacturers to easily incorporate graphical windows, menus, images, trends and other advanced data visualisation features into the DD for display on compliant host application platforms.
All information to define the window, the presentation of data within the window, and interaction with the device is described entirely within the enhanced DD.
The enhancements also support storage of historical data from field devices for troubleshooting and diagnostics.
"The DDL enhancements are backward compatible which ensures that existing DDs are protected and users have a continuous forward migration path with no investment loss", Helson says.
"Enhanced DDL and DDs provide users with a new expanded view of their intelligent device information and allows them to more easily take advantage of the full capabilities of their installed Hart-smart devices".
The enhancements to the EDDL are the result of a collaborative project between the HCF and other international fieldbus organisations and automation system and device suppliers.
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