{"id":36342,"date":"2023-01-04T17:56:55","date_gmt":"2023-01-04T16:56:55","guid":{"rendered":"https:\/\/www.gt-engineering.it\/?post_type=normativa_tecnica&#038;p=36342"},"modified":"2023-06-26T11:08:10","modified_gmt":"2023-06-26T10:08:10","slug":"la-deuxieme-edition-de-liec-61511","status":"publish","type":"normativa_tecnica","link":"https:\/\/www.gt-engineering.it\/fr\/reglements-techniques\/normes-iec\/iec-61511-systemes-instrumentes-de-securite-pour-lindustrie-de-transformation\/la-deuxieme-edition-de-liec-61511\/","title":{"rendered":"La deuxi\u00e8me \u00e9dition de l&rsquo;IEC 61511"},"content":{"rendered":"\n\n    \n        <section\n            data-name=\"Contenuto testuale con immagine\"\n            class=\"bow-gte-testo-media u-spacer-base\"\n            id=\"\"\n        >\n            \n<div class=\"o-text-media px-side-spacer sm:px-side-spacer-sm lg:px-side-spacer-tablet 2xl:px-side-spacer-desktop flex flex-wrap items-start md:block\">\n\n    \n        \n                    <div\n                class=\"h-auto mb-6 md:mb-4 lg:mb-8 xl:mb-9 float-left mr-6 md:mr-4 lg:mr-8 xl:mr-9  overflow-hidden shadow-content-image w-full md:w-1\/3\"\n            >\n                \r\n\r\n    \r\n        \r\n            \r\n                \r\n                    <picture\r\n                        class=\"\"\r\n                                            >\r\n                                                                                                        <source\r\n                                media=\"(max-width: 150px)\"\r\n                                width=\"150\"\r\n                                height=\"150\"\r\n                                srcset=\"https:\/\/www.gt-engineering.it\/wp-content\/uploads\/2023\/01\/second-edition-150x150.jpg.webp\"\r\n                                type=\"image\/webp\"\r\n                            \/>\r\n                                                                                <source\r\n                                media=\"(max-width: 300px)\"\r\n                                width=\"300\"\r\n                                height=\"200\"\r\n                                srcset=\"https:\/\/www.gt-engineering.it\/wp-content\/uploads\/2023\/01\/second-edition-300x200.jpg.webp\"\r\n                                type=\"image\/webp\"\r\n                            \/>\r\n                                                                                <source\r\n                                media=\"(max-width: 768px)\"\r\n                                width=\"768\"\r\n                                height=\"511\"\r\n                                srcset=\"https:\/\/www.gt-engineering.it\/wp-content\/uploads\/2023\/01\/second-edition-768x511.jpg.webp\"\r\n                                type=\"image\/webp\"\r\n                            \/>\r\n                                                                                <source\r\n                                media=\"(max-width: 850px)\"\r\n                                width=\"850\"\r\n                                height=\"566\"\r\n                                srcset=\"https:\/\/www.gt-engineering.it\/wp-content\/uploads\/2023\/01\/second-edition.jpg.webp\"\r\n                                type=\"image\/webp\"\r\n                            \/>\r\n                                                                            <img\r\n                            class=\"a-image transparent border-image h-auto  w-full\"\r\n                                                        srcset=\"https:\/\/www.gt-engineering.it\/wp-content\/uploads\/2023\/01\/second-edition.jpg.webp\"\r\n                                                        title=\"second edition\"\r\n                                                        type=\"image\/webp\"\r\n                        \/>\r\n                    <\/picture>\r\n\r\n                \r\n\r\n                    \r\n    \r\n            <\/div>\n        \n                    <div class=\"relative w-full\">\n                \n<div class=\"a-text font-text text-base normal mt-8 first:mt-0 space-y-4\">\n    <p>La deuxi\u00e8me \u00e9dition renforce la n\u00e9cessit\u00e9 de<strong> concevoir pour la gestion de la s\u00e9curit\u00e9 fonctionnelle plut\u00f4t que de se concentrer sur les calculs,<\/strong> et elle peut \u00eatre utilis\u00e9e pour g\u00e9rer la performance r\u00e9elle du SIS au fil du temps. La IEC\/TR 61511-4 a \u00e9t\u00e9 r\u00e9dig\u00e9e pour fournir une br\u00e8ve introduction aux questions ci-dessus, le contenu plus d\u00e9taill\u00e9 restant dans les parties principales de la norme. <strong>La gestion de la s\u00e9curit\u00e9 fonctionnelle concerne les d\u00e9faillances syst\u00e9matiques, principalement caus\u00e9es par l&rsquo;homme<\/strong>, qui ne sont pas quantifiables \u00e0 l&rsquo;aide de mod\u00e8les math\u00e9matiques. Ces activit\u00e9s, qui couvrent l&rsquo;ensemble du cycle de vie de la s\u00e9curit\u00e9, sont appliqu\u00e9es par le biais de processus et de proc\u00e9dures.<\/p>\n<p>Dans cette deuxi\u00e8me \u00e9dition, l&rsquo;id\u00e9e est que la s\u00e9curit\u00e9 n&rsquo;est pas seulement bas\u00e9e sur des composants fiables, mais qu&rsquo;elle provient d&rsquo;une approche holistique donn\u00e9e par le concept du<strong> cycle de vie de la s\u00e9curit\u00e9<\/strong>. Pour garantir la s\u00e9curit\u00e9 fonctionnelle, plusieurs activit\u00e9s (r\u00e9alis\u00e9es par diff\u00e9rentes parties prenantes, telles que les utilisateurs finaux, les soci\u00e9t\u00e9s d&rsquo;ing\u00e9nierie, les fournisseurs, etc. Elles sont toutes reli\u00e9es les unes aux autres comme une cha\u00eene et la force de cette cha\u00eene sera seulement aussi forte que le maillon le plus faible. <strong>Il est essentiel de consid\u00e9rer la s\u00e9curit\u00e9 fonctionnelle comme un cycle de vie, qui commence par l&rsquo;identification des dangers et se termine par la mise hors service du SIS<\/strong> : toutes les activit\u00e9s du cycle de vie de la s\u00e9curit\u00e9 sont influenc\u00e9es par les activit\u00e9s en amont et en aval.<\/p>\n<p><strong>Chaque projet SIS a des r\u00f4les et des responsabilit\u00e9s clairement d\u00e9finis.<\/strong> Toutes les parties concern\u00e9es sont conscientes de leurs responsabilit\u00e9s et sont comp\u00e9tentes pour mener \u00e0 bien les activit\u00e9s connexes n\u00e9cessaires \u00e0 la s\u00e9curit\u00e9 fonctionnelle. Les comp\u00e9tences sont tenues \u00e0 jour. Toutes les activit\u00e9s n\u00e9cessaires dans un projet sont d\u00e9crites dans <strong>un plan de s\u00e9curit\u00e9<\/strong> qui peut \u00eatre sp\u00e9cifique \u00e0 un projet ou un document g\u00e9n\u00e9ral propre \u00e0 l&rsquo;entreprise. Pour toutes les activit\u00e9s pertinentes, une \u00e9valuation de la s\u00e9curit\u00e9 fonctionnelle est effectu\u00e9e afin de d\u00e9montrer qu&rsquo;une ISP r\u00e9pond \u00e0 toutes les exigences et qu&rsquo;elle est conforme aux normes convenues. La gestion des performances en cours d&rsquo;exploitation s&rsquo;effectue par la collecte de donn\u00e9es sur le terrain pour les informations relatives \u00e0 la fiabilit\u00e9 du SIS et \u00e0 la demande de processus du SIS. <strong>Des audits de s\u00e9curit\u00e9 fonctionnelle<\/strong> sont r\u00e9alis\u00e9s \u00e0 intervalles r\u00e9guliers pour d\u00e9montrer que l&rsquo;organisation reste capable de satisfaire aux exigences de s\u00e9curit\u00e9 fonctionnelle d\u00e9finies. Les activit\u00e9s d&rsquo;\u00e9valuation et d&rsquo;audit sont men\u00e9es par des personnes ind\u00e9pendantes de l&rsquo;\u00e9quipe de projet. Les r\u00e9sultats de l&rsquo;\u00e9valuation et de l&rsquo;audit font l&rsquo;objet d&rsquo;une documentation significative et les recommandations sont suivies en vue d&rsquo;une cl\u00f4ture effective.<\/p>\n<\/div>            <\/div>\n        \n        \n                <div class=\"clear-both\"><\/div>\n        \n\n    <\/div>\n        <\/section>\n\n    \n","protected":false},"excerpt":{"rendered":"<p>La deuxi\u00e8me \u00e9dition renforce la n\u00e9cessit\u00e9 de concevoir pour la gestion de la s\u00e9curit\u00e9 fonctionnelle plut\u00f4t que de se concentrer sur les calculs, et elle peut \u00eatre utilis\u00e9e pour g\u00e9rer la performance r\u00e9elle du SIS au fil du temps.<\/p>\n","protected":false},"author":182,"featured_media":36337,"parent":36330,"menu_order":0,"template":"","meta":{"_acf_changed":false,"footnotes":""},"normative-tecniche":[165],"class_list":["post-36342","normativa_tecnica","type-normativa_tecnica","status-publish","has-post-thumbnail","hentry","tipologia_normativa-normes-iec"],"acf":{"sottotitolo":"","allegati":null},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - 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