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EN 60079-27:2008 Standard

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  Keywords:

#iec #systems #requirements #standard #part

  This standard is no longer addressed in the last official Journal publication of the "2026-05-04 ". This standard is addressed for the last time in the official journal publication of the "2016-08-12"

  Directive

Equipment for explosive atmospheres (ATEX) Directive (2014/34/EU)

  Last Official Journal reference

Friday 12th of August 2016

  Description:

Explosive atmospheres - Part 27: Fieldbus intrinsically safe concept (FISCO)

  Purpose

This part of IEC 60079 contains the details of apparatus, systems and installation practice foruse with the Fieldbus Intrinsically Safe Concept (FISCO). It is based on the concepts ofManchester encoded, bus powered systems designed in accordance with IEC 61158-2 whichis the physical layer standard for Fieldbus installations.The constructional and installation requirements of FISCO apparatus and systems aredetermined by IEC 60079-11, IEC 60079-14, and IEC 60079-25, except as modified by thisstandard. Part of a Fieldbus device may be protected by any of the methods of explosionprotection listed in IEC 60079-0, appropriate to the zone of intended use. In thesecircumstances, the requirements of this standard apply only to that part of the apparatusdirectly connected to the intrinsically safe trunk or spurs.

  Publication

Wednesday 20th of April 2016

  Cessation

This standard has been withdrawn on 2016-08-12

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