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News Release from: Fieldbus Foundation
Edited by the Engineeringtalk Editorial
Team on 19 August 2004
Guide aids intrinsically safe system
development
The Fieldbus Foundation has published a new "Foundation fieldbus application guide for 31.25kbit/s intrinsically safe systems" (AG-163, Revision 2.0).
The Fieldbus Foundation has published a new "Foundation fieldbus application guide for 31.25kbit/s intrinsically safe systems" (AG-163, Revision 2.0) This comprehensive, updated document is intended to improve the understanding of application considerations for today's fieldbus systems, and contains useful information for both device developers and end users
This article was originally published on Engineeringtalk on 14 Nov 2003 at 8.00am (UK)
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The new application guide includes an overview of 31.25kbit/s intrinsically safe fieldbus systems, followed by an outline of the specifications for field devices and other related equipment.
The updates follow the actual state-of-the-art intrinsically safe fieldbus technology.
The booklet also provides guidance on registering fieldbus equipment and offers advice on sound design and installation practices.
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The updated guide reflects recent changes and products available for use in applying fieldbus technology in intrinsically safe areas.
Included is a new section on the Fieldbus Intrinsically Safe Concept (FISCO), as well as a number of examples of the split architecture and fieldbus barrier concept for both North American Class Division and Zone classification methods.
According to Fieldbus Foundation Marketing Specialist Joe Conklin, the "Foundation fieldbus application guide for 31.25kbit/s intrinsically safe systems" is a valuable tool for those expanding the implementation of fieldbus in hazardous area applications.
"The new application guide explains the basic concepts of intrinsically safe systems, and at the same time, provides guidance on equipment use in those systems", said Conklin.
"This document is a must for users installing fieldbus systems in IS environments".
"It will also help device developers speed new products to market".
The application guide relates only to Foundation fieldbus equipment and systems operating at a 31.25kbit/s datarate and conforming to the specifications and recommended parameters in the IEC61158-2:2003 standard ("Fieldbus for use in industrial control systems - Part 2: Physical layer specification", Type 1).
Conklin added that the Fieldbus Foundation appreciates the active commitment of its member companies; without their dedication, the new application guide would not have been possible.
Contributors to the guide included: ABB, Endress+Hauser, Hawke, MTL, Pepperl+Fuchs, Stahl, Turck and Vega.
The foundation also acknowledged Dr Ulrich Johannsmeyer from the Physikalisch Technische Bundesanstalt PTB for his contribution to the project.
A no cost pdf copy of the "Foundation fieldbus application guide for 31.25kbit/s intrinsically safe systems" can be downloaded from the Fieldbus Foundation website.
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