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ISO 13849-1:2023

Safety of machinery — Safety-related parts of control systems — Part 1: General principles for design

Edition date: 2023-04-26
In Force
Available languages: French, English
Summary:

This document specifies a methodology and provides related requirements, recommendations and guidance for the design and integration of safety‐related parts of control systems (SRP/CS) that perform safety functions, including the design of software.

This document applies to SRP/CS for high demand and continuous modes of operation including their subsystems, regardless of the type of technology and energy (e.g. electrical, hydraulic, pneumatic, and mechanical). This document does not apply to low demand mode of operation.

NOTE 1        See 3.1.44 and the IEC 61508 series for low demand mode of operation.

This document does not specify the safety functions or required performance levels (PLr) that are to be used in particular applications.

NOTE 2        This document specifies a methodology for SRP/CS design without considering if certain machinery (e.g. mobile machinery) has specific requirements. These specific requirements can be considered in a Type‑C standard.

This document does not give specific requirements for the design of products/components that are parts of SRP/CS. Specific requirements for the design of some components of SRP/CS are covered by applicable ISO and IEC standards.

This document does not provide specific measures for security aspects (e.g. physical, IT-security, cyber security).

NOTE 3        Security issues can have an effect on safety functions. See ISO/TR 22100-4 and IEC/TR 63074 for further information.



Le présent document spécifie une méthodologie et fournit des exigences, des recommandations et des conseils portant sur la conception et l'intégration des parties des systèmes de commande relatives à la sécurité (SRP/CS) qui réalisent des fonctions de sécurité, incluant la conception de logiciels.

Le présent document s'applique aux SRP/CS pour les modes de fonctionnement à forte sollicitation et continu, incluant leurs sous-systèmes, indépendamment du type de technologie et d'énergie utilisé (par exemple, électrique, hydraulique, pneumatique et mécanique). Le présent document ne s'applique pas au mode de fonctionnement à faible sollicitation.

NOTE 1        Voir 3.1.44 et la série IEC 61508 pour le mode de fonctionnement à faible sollicitation.

Le présent document ne spécifie pas les fonctions de sécurité et les niveaux de performance requis (PLr) qui doivent être utilisés dans un cas particulier.

NOTE 2        Le présent document spécifie une méthodologie pour la conception des SRP/CS sans tenir compte d'exigences spécifiques pour certaines machines (par exemple, machines mobiles). Ces exigences spécifiques peuvent être prises en compte dans une norme de type‑C.

Le présent document ne donne pas d'exigences spécifiques pour la conception de produits/composants intégrés dans les SRP/CS. Les exigences spécifiques pour la conception de certains composants de SRP/CS sont couvertes par les normes ISO et IEC applicables.

Le présent document ne fournit pas de mesures spécifiques pour les aspects de sécurité (par exemple, physique, sécurité informatique (IT-security), cybersécurité).

NOTE 3        Les problèmes de sécurité peuvent avoir un effet sur les fonctions de sécurité. Voir l'ISO/TR 22100-4 et l'IEC/TR 63074 pour d'autres informations.
ICS: 13.110-Safety of machinery
CTN: ISO/TC 199 - 54604

Standards Cancellations

Anula a ISO 13849-1:2015

International Equivalence

Identic UNE-EN ISO 13849-1:2024

Normas Conjuntas

Trabajo conjunto ISO/IEC 30137-1:2019

The book in the author's words

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