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IEC 61508-2:2010

Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 2: Requirements for electrical/electronic/programmable electronic safety-related systems (see Functional Safety and IEC 61508)

Edition date: 2010-04-30
In Force
Available languages: Spanish, English, French
Summary: Looking for deeper insights? Check out IEC 61508:2010 CMV, which includes commented versions of Parts 1 to 7 of IEC 61508. These commented versions highlight the changes made from previous editions and provide explanations from a world-leading expert on the reasons behind the most significant changes.

IEC 61508-2:2010 applies to any safety-related system, as defined by IEC 61508-1, that contains at least:
- one electrical, electronic or programmable electronic element;
- applies to all elements within an E/E/PE safety-related system;
- specifies how to refine the E/E/PE system safety requirements specification, developed in accordance with IEC 61508-1, into the E/E/PE system design requirements specification;
- specifies the requirements for activities that are to be applied during the design and manufacture of the E/E/PE safety-related systems except software, which is dealt with in IEC 61508-3.
These requirements include the application of techniques and measures that:
- are graded against the safety integrity level, for the avoidance of, and control of, faults and failures;
- specifies the information necessary for carrying out the installation, commissioning and final safety validation of the E/E/PE safety-related system;
- provides requirements for the preparation of information and procedures needed by the user for the operation and maintenance of the E/E/PE safety-related systems;
- specifies requirements to be met by the organisation carrying out any modification of the E/E/PE safety-related systems.
This second edition cancels and replaces the first edition published in 1998. This edition constitutes a technical revision. It has been subject to a thorough review and incorporates many comments received at the various revision stages. It has the status of a basic safety publication according to IEC Guide 104.

This publication is of high relevance for Smart Grid.

La CEI 61508-2:2010 s'applique à tout système relatif à la sécurité tel que défini dans la CEI 61508-1, qui contient au moins:
- un composant à base électrique, électronique ou électronique programmable;
- s'applique à tous les éléments d'un système E/E/PE relatif à la sécurité;
- spécifie la manière d'affiner la spécification des exigences de sécurité des systèmes E/E/PE, développée conformément à la CEI 61508-1, dans le cadre de la spécification des exigences de conception des systèmes E/E/PE;
- spécifie les exigences pour des activités qui doivent être appliquées pendant la conception et la fabrication des systèmes E/E/PE relatifs à la sécurité, à l'exception du logiciel qui est traité dans la CEI 61508-3.
Ces exigences comprennent l'application de techniques et de mesures qui sont classées en fonction du:
- niveau d'intégrité de sécurité pour éviter et maîtriser les anomalies et défaillances;
- spécifie les informations nécessaires à l'installation, à la mise en service et à la validation finale de la sécurité des systèmes E/E/PE relatifs à la sécurité;
- fournit des exigences relatives à la préparation des informations et procédures nécessaires à l'utilisateur pour l'exploitation et la maintenance des systèmes E/E/PE relatifs à la sécurité;
- spécifie les exigences auxquelles doit satisfaire l'entité qui effectue une modification des systèmes E/E/PE relatifs à la sécurité.
Cette deuxième édition annule et remplace la première édition publiée en 1998 dont elle constitue une révision technique. Elle a fait l'objet d'une révision approfondie et intègre de nombreux commentaires reçus lors des différentes phases de révision. Elle a le statut d'une publication fondamentale de sécurité conformément au Guide CEI 104.
ICS: 25.040.40-Industrial process measurement and control
CTN: TC 65/SC 65A - 1369

Standards Cancellations

Anula a IEC 61508-2:2000

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