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BS EN 62808:2016+A1:2019

BS EN 62808:2016+A1:2019

Current

Current

The latest, up-to-date edition.

Nuclear power plants. Instrumentation and control systems important to safety. Design and qualification of isolation devices

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

18-07-2019

Publisher

British Standards Institution

This International Standard establishes requirements for the design, analysis and qualification of isolation devices used to ensure electrical independence of redundant safety system circuits, or between safety and lower class circuits, as specified in IEC 60709.

This International Standard establishes requirements for the design, analysis and qualification of isolation devices used to ensure electrical independence of redundant safety system circuits, or between safety and lower class circuits, as specified in IEC60709. This standard includes guidance on the determination of the maximum credible fault that is applied to the isolation devices. The maximum credible fault can be used as a basis for the test levels used in testing based on other standards (e.g. IECTS61000‑6‑5 or IEC62003).

This standard does not address safety or CCF issues due to functional inter-dependencies and possible interferences or CCFs that may result from signal exchange or sharing between systems or sub-systems. It also does not address design or qualification issues related to digital or programmable logic in isolation devices. For isolation devices containing digital or programmable logic, additional design and qualification requirements must be considered; these requirements are outside the scope of this standard.

Committee
NCE/8
DocumentType
Standard
ISBN
9780580992049
Pages
24
ProductNote
THIS STANDARD REFERS: IAEA NS-G-1.3,IAEA GS-G-3.1, IAEA GS-G-3.5, IAEA GS-R-3:2006, IAEA Safety Glossary:2007 Implementation of IEC amendment 1:2018 with CENELEC endorsement A1:2019
PublisherName
British Standards Institution
Status
Current
Supersedes

Standards Relationship
EN 62808:2016/A1:2019 Identical
IEC 62808:2015/AMD1:2018 Identical

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Hardcopy - English
PDF - English
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