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IEC 62508-ed.2.0
Guidance on human aspects of dependability
Translate name
STANDARD published on 19.6.2025
The information about the standard:
Designation standards: IEC 62508-ed.2.0
Publication date standards: 19.6.2025
SKU: NS-1225209
Approximate weight : 300 g (0.66 lbs)
Country: International technical standard
Category: Technical standards IEC
The category - similar standards:
Annotation of standard text IEC 62508-ed.2.0 :
IEC 62508: 2025 provides guidance on current knowledge and practice concerning dependability in an operational environment, in terms of the humans, teams and organizations involved in conducting the work. It is part of a suite of IEC standards that are intended to address the dependability of both the technical and human elements of equipment and organizations. This document describes the human elements of a typical operational system, and the importance of those elements to overall dependability. It also describes the means of assessing how well these elements are functioning, and general concepts on how the reliability of humans can be improved. These elements typically include the individual workers, the groups or teams into which they are organized, the interfaces between humans and technical systems, and the overall organization. The following guidance is applicable to any industry that depends on human-systems interactions involving the technology, software, or systems of work required to support the production and safety objectives of an organization. This document primarily addresses complex technical systems, but some parts are also applicable to the manufacturing of industrial and consumer products. Principles for design of the human-machine interface (usability) are described, and further information can be found in the technical literature and in relevant product standards. Although this document does not specifically cover worker health or safety, the application of this document can raise related issues, particularly in process safety, which is closely associated with system reliability. This second edition cancels and replaces the first edition published in 2010. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) The emphasis on user-centred design in the previous edition was reduced in favour of a greater emphasis on human dependability in an existing operational environment. b) The emphasis on human error and error-rate determination methods was reduced in favour of a greater emphasis on means of providing organizational support for the workforce in their execution of required tasks. c) Where appropriate, discussions of human factors in an operational environment were aligned with current theory, terminology and practice. LIEC 62508: 2025 fournit des recommandations concernant les connaissances et pratiques actuelles en matiere de surete de fonctionnement dans un environnement operationnel, par rapport aux etres humains, aux equipes et aux organisations impliquees dans lexecution du travail. Il fait partie dune serie de normes IEC destinees a traiter de la surete de fonctionnement des elements techniques et humains des equipements et des organisations. Le present document decrit les elements humains dun systeme operationnel type et limportance de ces elements pour la surete de fonctionnement globale. Il decrit egalement les moyens devaluer le bon fonctionnement de ces elements, ainsi que des concepts generaux sur la maniere dont la fiabilite humaine peut etre amelioree. Ces elements comprennent generalement les differents travailleurs, les groupes et equipes au sein desquels ils sont repartis, les interfaces entre les etres humains et les systemes techniques, et lorganisation globale. Les recommandations suivantes sappliquent a toute industrie qui depend des interactions homme-systeme impliquant la technologie, les logiciels ou les systemes de travail necessaires pour soutenir les objectifs de production et de securite dune organisation. Le present document concerne principalement les systemes techniques complexes, mais certaines parties sappliquent egalement a la fabrication de produits industriels et de consommation. Les principes de conception de linterface homme-machine (utilisabilite) sont decrits, et des informations complementaires peuvent etre obtenues dans la documentation technique et dans les normes de produits pertinentes. La sante et la securite des travailleurs ne sont pas specifiquement couvertes par le present document, mais son application peut soulever des questions connexes, notamment en ce qui concerne la securite des processus, qui est etroitement liee a la fiabilite des systemes. Cette deuxieme edition annule et remplace la premiere edition parue en 2010. Cette edition constitue une revision technique. Cette edition inclut les modifications techniques majeures suivantes par rapport a ledition precedente: a) laccent mis sur la conception centree sur lutilisateur dans ledition precedente a ete reduit au profit dune plus grande importance accordee aux facteurs humains de la surete de fonctionnement dans un environnement operationnel existant; b) laccent mis sur lerreur humaine et les methodes de determination du taux derreur a ete reduit au profit dune plus grande importance accordee aux moyens de fournir un soutien organisationnel au personnel dans lexecution des taches exigees; c) le cas echeant, les discussions sur les facteurs humains dans un environnement operationnel ont ete alignees sur la theorie, la terminologie et la pratique actuelles.
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