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Homepage>CSN Standards>35 ELECTRICAL ENGINEERING>3566 Instruments for nuclear technics>CSN EN 62808 - Nuclear power plants - Instrumentation and control systems important to safety - Design and qualification of isolation devices
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Released: 01.07.2017
CSN EN 62808 - Nuclear power plants - Instrumentation and control systems important to safety - Design and qualification of isolation devices

CSN EN 62808

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

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Number of Standard:CSN EN 62808
Category:356677
Pages:28
Released:01.07.2017
Catalog number:501392
DESCRIPTION

CSN EN 62808

CSN EN 62808 This International Standard establishes requirements for the design, analysis and qualification of isolation devices used to ensure electrical independence of redundant safety systém circuits, or between safety and lower class circuits, as specified in IEC 60709. 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. IEC TS 61000-6-5 or IEC 62003). This standard does not address safety or CCF issues due to functional inter-dependencies and possible interfe-rences 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 todigital 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.
Original English text of CSN EN Standard.
The price of the Standard included all amendments and correcturs.