{"id":38646,"date":"2023-05-08T10:59:40","date_gmt":"2023-05-08T09:59:40","guid":{"rendered":"https:\/\/www.gt-engineering.it\/?post_type=normativa_tecnica&#038;p=38646"},"modified":"2023-07-12T10:17:47","modified_gmt":"2023-07-12T09:17:47","slug":"categorie-2","status":"publish","type":"normativa_tecnica","link":"https:\/\/www.gt-engineering.it\/fr\/reglements-techniques\/normes-en-iso\/en-iso-13849-1-securite-fonctionnelle-des-machines\/categorie-2\/","title":{"rendered":"Cat\u00e9gorie 2"},"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 flex-col\">\n\n    \n\n                    <div \n                class=\"order-2 relative w-full\"\n            >\n                <div\n                    class=\"pt-6 space-y-6 w-full md:pt-0 md:space-y-4 lg:space-y-8 xl:space-y-9\"\n                >\n                    \n<div class=\"a-text font-text text-base normal mt-8 first:mt-0 space-y-4\">\n    <p>Dans la cat\u00e9gorie 2, les principes de s\u00e9curit\u00e9 fondamentaux et \u00e9prouv\u00e9s doivent \u00eatre respect\u00e9s.<br \/>\nIl s&rsquo;agit d&rsquo;une<strong> architecture \u00e0 canal unique<\/strong>, la surveillance de chaque sous-syst\u00e8me \u00e9tant assur\u00e9e, dans sa forme la plus g\u00e9n\u00e9rale, par une unit\u00e9 externe appel\u00e9e <strong>\u00e9quipement d&rsquo;essai<\/strong>. En cas de d\u00e9tection d&rsquo;un d\u00e9faut, l&rsquo;\u00e9quipement d&rsquo;essai le signale au \u00ab\u00a0monde ext\u00e9rieur\u00a0\u00bb gr\u00e2ce \u00e0 une sortie : l&rsquo;OTE.<br \/>\nVoici comment se pr\u00e9sente le sch\u00e9ma fonctionnel relatif \u00e0 la s\u00e9curit\u00e9.<\/p>\n<\/div>                <\/div>\n            <\/div>\n        \n                    <div\n                class=\"h-auto order-2   mt-6 md:mt-4 lg:mt-8 xl:mt-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\/07\/tabl3_2.png-150x150.webp\"\r\n                                type=\"image\/webp\"\r\n                            \/>\r\n                                                                                <source\r\n                                media=\"(max-width: 300px)\"\r\n                                width=\"300\"\r\n                                height=\"162\"\r\n                                srcset=\"https:\/\/www.gt-engineering.it\/wp-content\/uploads\/2023\/07\/tabl3_2.png-300x162.webp\"\r\n                                type=\"image\/webp\"\r\n                            \/>\r\n                                                                                <source\r\n                                media=\"(max-width: 673px)\"\r\n                                width=\"673\"\r\n                                height=\"363\"\r\n                                srcset=\"https:\/\/www.gt-engineering.it\/wp-content\/uploads\/2023\/07\/tabl3_2.png.webp\"\r\n                                type=\"image\/webp\"\r\n                            \/>\r\n                                                                                <source\r\n                                media=\"(max-width: 673px)\"\r\n                                width=\"673\"\r\n                                height=\"363\"\r\n                                srcset=\"https:\/\/www.gt-engineering.it\/wp-content\/uploads\/2023\/07\/tabl3_2.png.webp\"\r\n                                type=\"image\/webp\"\r\n                            \/>\r\n                                                                            <img\r\n                            class=\"a-image transparent border-image h-auto  w-full mx-auto\"\r\n                                                        srcset=\"https:\/\/www.gt-engineering.it\/wp-content\/uploads\/2023\/07\/tabl3_2.png.webp\"\r\n                                                        title=\"tabl3_2.png\"\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>\n        <\/section>\n\n    \n\n\n\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        \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>Par rapport \u00e0 une architecture de cat\u00e9gorie 1, on remarque la pr\u00e9sence d&rsquo;un<strong> canal de test<\/strong>, compos\u00e9 d&rsquo;un \u00e9quipement de test ou TE et de sa sortie, l&rsquo;OTE ou sortie de l&rsquo;\u00e9quipement de test.<br \/>\nEn utilisant une architecture de cat\u00e9gorie 2, tous les niveaux de performance, \u00e0 l&rsquo;exception de PL e, peuvent \u00eatre atteints.<br \/>\nLe fait qu&rsquo;un PL d puisse \u00eatre atteint, un certain niveau de couverture de diagnostic (au moins faible) doit \u00eatre pr\u00e9sent : la voie fonctionnelle doit \u00eatre test\u00e9e \u00e0 des intervalles appropri\u00e9s par l&rsquo;\u00e9quipement de test. Le contr\u00f4le de la fonction de s\u00e9curit\u00e9 doit \u00eatre effectu\u00e9 avant le d\u00e9clenchement d&rsquo;une situation dangereuse, par exemple :<br \/>\n&#8211; avant le d\u00e9but d&rsquo;un nouveau cycle et\/ou,<br \/>\n&#8211; avant le d\u00e9but d&rsquo;autres mouvements et\/ou,<br \/>\n&#8211; imm\u00e9diatement apr\u00e8s une demande de la fonction de s\u00e9curit\u00e9 et\/ou,<br \/>\n&#8211; p\u00e9riodiquement pendant les op\u00e9rations, si l&rsquo;\u00e9valuation des risques et le type d&rsquo;op\u00e9ration montrent que c&rsquo;est n\u00e9cessaire.<br \/>\nTout contr\u00f4le de la fonction de s\u00e9curit\u00e9 permet son fonctionnement, si aucun d\u00e9faut n&rsquo;est d\u00e9tect\u00e9, ou g\u00e9n\u00e8re une sortie (OTE), si un d\u00e9faut est d\u00e9tect\u00e9.<\/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>Dans la cat\u00e9gorie 2, les principes de s\u00e9curit\u00e9 fondamentaux et \u00e9prouv\u00e9s doivent \u00eatre respect\u00e9s.<\/p>\n","protected":false},"author":182,"featured_media":38647,"parent":38606,"menu_order":4,"template":"","meta":{"_acf_changed":false,"footnotes":""},"normative-tecniche":[164],"class_list":["post-38646","normativa_tecnica","type-normativa_tecnica","status-publish","has-post-thumbnail","hentry","tipologia_normativa-normes-en-iso"],"acf":{"sottotitolo":"Mean Time To Failure (MTTF)","allegati":null},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - 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