{"id":37780,"date":"2023-02-22T11:40:56","date_gmt":"2023-02-22T10:40:56","guid":{"rendered":"https:\/\/www.gt-engineering.it\/?post_type=approfondimento&#038;p=37780"},"modified":"2023-07-04T14:46:00","modified_gmt":"2023-07-04T13:46:00","slug":"fonctions-stop","status":"publish","type":"approfondimento","link":"https:\/\/www.gt-engineering.it\/fr\/approfondissement\/la-securite-des-machines\/fonctions-stop\/","title":{"rendered":"Fonctions stop"},"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        \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>Selon la norme<\/p>\n<p><em>EN 60204-1 \u00ab\u00a0S\u00e9curit\u00e9 des machines &#8211; \u00c9quipement \u00e9lectrique des machines &#8211; Partie 1 : Exigences g\u00e9n\u00e9rales\u00a0\u00bb,<\/em><\/p>\n<p>il existe trois cat\u00e9gories de fonctions d&rsquo;arr\u00eat :<\/p>\n<ul>\n<li><strong>Cat\u00e9gorie d&rsquo;arr\u00eat 0<\/strong> : arr\u00eat par coupure imm\u00e9diate de l&rsquo;alimentation des actionneurs de la machine (c&rsquo;est-\u00e0-dire un arr\u00eat non contr\u00f4l\u00e9) ;<\/li>\n<li><strong>Cat\u00e9gorie d&rsquo;arr\u00eat 1<\/strong> : arr\u00eat contr\u00f4l\u00e9 avec alimentation des actionneurs de la machine pour obtenir l&rsquo;arr\u00eat, puis coupure de l&rsquo;alimentation lorsque l&rsquo;arr\u00eat est obtenu ;<\/li>\n<li><strong>Cat\u00e9gorie d&rsquo;arr\u00eat 2<\/strong> : arr\u00eat contr\u00f4l\u00e9 avec maintien de la puissance disponible pour les actionneurs de la machine.<\/li>\n<\/ul>\n<p>Ces trois cat\u00e9gories sont tir\u00e9es de normes sp\u00e9cifiques telles que l&rsquo;<strong>ISO 13850<\/strong> et la <strong>IEC 61800-5-2.<\/strong><\/p>\n<p>&nbsp;<\/p>\n<\/div>            <\/div>\n        \n        \n                <div class=\"clear-both\"><\/div>\n        \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                    <div class=\"mb-6 relative w-full md:mb-4 lg:mb-8 xl:mb-9\">\n                \n        <div                class=\"m-headings\"\n            >\n    \n    \n<h2 class=\"a-heading text-left text-primary font-heading text-2xl lg:text-3xl xl:text-4xl font-normal mt-2 first:mt-0\">\n                    EN ISO 13850 : Fonctions d&rsquo;arr\u00eat d&rsquo;urgence    <\/h2>\n        <\/div>\n                <\/div>\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\/07\/images3.jpg-150x150.webp\"\r\n                                type=\"image\/webp\"\r\n                            \/>\r\n                                                                                <source\r\n                                media=\"(max-width: 297px)\"\r\n                                width=\"297\"\r\n                                height=\"296\"\r\n                                srcset=\"https:\/\/www.gt-engineering.it\/wp-content\/uploads\/2023\/07\/images3.jpg.webp\"\r\n                                type=\"image\/webp\"\r\n                            \/>\r\n                                                                                <source\r\n                                media=\"(max-width: 297px)\"\r\n                                width=\"297\"\r\n                                height=\"296\"\r\n                                srcset=\"https:\/\/www.gt-engineering.it\/wp-content\/uploads\/2023\/07\/images3.jpg.webp\"\r\n                                type=\"image\/webp\"\r\n                            \/>\r\n                                                                                <source\r\n                                media=\"(max-width: 297px)\"\r\n                                width=\"297\"\r\n                                height=\"296\"\r\n                                srcset=\"https:\/\/www.gt-engineering.it\/wp-content\/uploads\/2023\/07\/images3.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\/07\/images3.jpg.webp\"\r\n                                                        title=\"images3.jpg\"\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 norme<strong> ISO 13850<\/strong> relative aux fonctions d&rsquo;arr\u00eat d&rsquo;urgence stipule que seules les cat\u00e9gories d&rsquo;arr\u00eat 0 et 1 peuvent \u00eatre utilis\u00e9es pour une fonction d&rsquo;arr\u00eat d&rsquo;urgence.<\/p>\n<ul>\n<li>Dispositifs d&rsquo;arr\u00eat d&rsquo;urgence de <strong>cat\u00e9gorie 0<\/strong> (non contr\u00f4l\u00e9) : l&rsquo;arr\u00eat de l&rsquo;organe dangereux se produit par la coupure imm\u00e9diate de l&rsquo;alimentation de l&rsquo;actionneur de la machine ; &#8211; l&rsquo;arr\u00eat de l&rsquo;organe dangereux se produit par la d\u00e9connexion m\u00e9canique entre les \u00e9l\u00e9ments dangereux et leur actionneur de machine et, si n\u00e9cessaire, par la rupture.<\/li>\n<li>Dispositifs d&rsquo;arr\u00eat d&rsquo;urgence de la <strong>cat\u00e9gorie 1<\/strong> (contr\u00f4l\u00e9s) : &#8211; l&rsquo;arr\u00eat de l&rsquo;organe dangereux s&rsquo;effectue en alimentant l&rsquo;actionneur de la machine susceptible de r\u00e9aliser l&rsquo;arr\u00eat, puis en supprimant l&rsquo;alimentation lorsque l&rsquo;arr\u00eat est r\u00e9alis\u00e9.<\/li>\n<\/ul>\n<p>Le choix de la cat\u00e9gorie de l&rsquo;arr\u00eat d&rsquo;urgence d\u00e9pend des r\u00e9sultats de l&rsquo;\u00e9valuation des risques de la machine.<\/p>\n<p>Les machines comportant des organes mobiles sans inertie et dont l&rsquo;arr\u00eat n&rsquo;entra\u00eene pas de risques suppl\u00e9mentaires n\u00e9cessitent un arr\u00eat de cat\u00e9gorie 0.<\/p>\n<p>Les machines comportant des organes dangereux avec inertie ou n\u00e9cessitant d&rsquo;autres syst\u00e8mes de s\u00e9curit\u00e9 n\u00e9cessitent un arr\u00eat de cat\u00e9gorie 1<\/p>\n<\/div>            <\/div>\n        \n        \n                <div class=\"clear-both\"><\/div>\n        \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                    <div class=\"mb-6 relative w-full md:mb-4 lg:mb-8 xl:mb-9\">\n                \n        <div                class=\"m-headings\"\n            >\n    \n    \n<h2 class=\"a-heading text-left text-primary font-heading text-2xl lg:text-3xl xl:text-4xl font-normal mt-2 first:mt-0\">\n                    EN IEC 61800-5-2 : Entra\u00eenements \u00e9lectriques de puissance \u00e0 vitesse variable &#8211; Exigences de s\u00e9curit\u00e9    <\/h2>\n        <\/div>\n                <\/div>\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\/07\/sto1.gif-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=\"228\"\r\n                                srcset=\"https:\/\/www.gt-engineering.it\/wp-content\/uploads\/2023\/07\/sto1.gif-300x228.webp\"\r\n                                type=\"image\/webp\"\r\n                            \/>\r\n                                                                                <source\r\n                                media=\"(max-width: 768px)\"\r\n                                width=\"768\"\r\n                                height=\"585\"\r\n                                srcset=\"https:\/\/www.gt-engineering.it\/wp-content\/uploads\/2023\/07\/sto1.gif-768x585.webp\"\r\n                                type=\"image\/webp\"\r\n                            \/>\r\n                                                                                <source\r\n                                media=\"(max-width: 771px)\"\r\n                                width=\"771\"\r\n                                height=\"587\"\r\n                                srcset=\"https:\/\/www.gt-engineering.it\/wp-content\/uploads\/2023\/07\/sto1.gif.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\/07\/sto1.gif.webp\"\r\n                                                        title=\"sto1.gif\"\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 norme<\/p>\n<p><em><strong>EN 61800-5-2<\/strong> \u00ab\u00a0Syst\u00e8mes d&rsquo;entra\u00eenement \u00e9lectrique \u00e0 vitesse variable &#8211; Partie 5-2 : Exigences de s\u00e9curit\u00e9 &#8211; Fonctionnelles\u00a0\u00bb<\/em><\/p>\n<p>d\u00e9finit quelques exemples de fonctions d&rsquo;arr\u00eat s\u00e9curis\u00e9, notamment<\/p>\n<ul>\n<li><strong>Safe Torque Off (STO)<\/strong> : Cette fonction de s\u00e9curit\u00e9<strong> correspond \u00e0 un arr\u00eat de<\/strong> <strong>cat\u00e9gorie 0<\/strong> (arr\u00eat non contr\u00f4l\u00e9) conform\u00e9ment \u00e0 la norme IEC 60204-1. L&rsquo;alimentation du moteur est coup\u00e9e en toute s\u00e9curit\u00e9, de sorte qu&rsquo;aucun mouvement n&rsquo;est possible. Dans les cas o\u00f9 des influences externes sont pr\u00e9sentes, des mesures suppl\u00e9mentaires peuvent \u00eatre n\u00e9cessaires pour \u00e9viter tout risque.<\/li>\n<\/ul>\n<\/div>            <\/div>\n        \n        \n                <div class=\"clear-both\"><\/div>\n        \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                    <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\/07\/ss1d1.gif-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=\"227\"\r\n                                srcset=\"https:\/\/www.gt-engineering.it\/wp-content\/uploads\/2023\/07\/ss1d1.gif-300x227.webp\"\r\n                                type=\"image\/webp\"\r\n                            \/>\r\n                                                                                <source\r\n                                media=\"(max-width: 538px)\"\r\n                                width=\"538\"\r\n                                height=\"407\"\r\n                                srcset=\"https:\/\/www.gt-engineering.it\/wp-content\/uploads\/2023\/07\/ss1d1.gif.webp\"\r\n                                type=\"image\/webp\"\r\n                            \/>\r\n                                                                                <source\r\n                                media=\"(max-width: 538px)\"\r\n                                width=\"538\"\r\n                                height=\"407\"\r\n                                srcset=\"https:\/\/www.gt-engineering.it\/wp-content\/uploads\/2023\/07\/ss1d1.gif.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\/07\/ss1d1.gif.webp\"\r\n                                                        title=\"ss1d1.gif\"\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><strong>L&rsquo;arr\u00eat de s\u00e9curit\u00e9 1 (SS1)<\/strong> est une fonction de s\u00e9curit\u00e9 qui correspond \u00e0<strong> un arr\u00eat de cat\u00e9gorie 1 <\/strong>(arr\u00eat contr\u00f4l\u00e9) conform\u00e9ment \u00e0 la norme IEC 60204-1. Il est possible de distinguer les arr\u00eats de s\u00e9curit\u00e9 suivants 1 :<\/p>\n<ul>\n<li><strong>SS1 &#8211; d (d\u00e9c\u00e9l\u00e9ration contr\u00f4l\u00e9e)<\/strong> : d\u00e9clenche et contr\u00f4le le taux de d\u00e9c\u00e9l\u00e9ration du moteur dans les limites fix\u00e9es pour arr\u00eater le moteur et d\u00e9clenche la fonction STO lorsque la vitesse du moteur est inf\u00e9rieure \u00e0 une limite sp\u00e9cifi\u00e9e ;<\/li>\n<li><strong>SS1 &#8211; r (rampe contr\u00f4l\u00e9e)<\/strong> : d\u00e9clenche et contr\u00f4le le taux de d\u00e9c\u00e9l\u00e9ration du moteur dans les limites fix\u00e9es pour arr\u00eater le moteur et d\u00e9clenche la fonction STO lorsque la vitesse du moteur est inf\u00e9rieure \u00e0 une limite sp\u00e9cifi\u00e9e.<\/li>\n<li><strong>SS1 &#8211; t (temps contr\u00f4l\u00e9)<\/strong> : d\u00e9clenche la d\u00e9c\u00e9l\u00e9ration du moteur et lance la fonction STO apr\u00e8s un d\u00e9lai sp\u00e9cifique \u00e0 l&rsquo;application.<\/li>\n<\/ul>\n<\/div>            <\/div>\n        \n        \n                <div class=\"clear-both\"><\/div>\n        \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                    <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\/2\"\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\/SS12.gif-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=\"114\"\r\n                                srcset=\"https:\/\/www.gt-engineering.it\/wp-content\/uploads\/2023\/07\/SS12.gif-300x114.webp\"\r\n                                type=\"image\/webp\"\r\n                            \/>\r\n                                                                                <source\r\n                                media=\"(max-width: 768px)\"\r\n                                width=\"768\"\r\n                                height=\"291\"\r\n                                srcset=\"https:\/\/www.gt-engineering.it\/wp-content\/uploads\/2023\/07\/SS12.gif-768x291.webp\"\r\n                                type=\"image\/webp\"\r\n                            \/>\r\n                                                                                <source\r\n                                media=\"(max-width: 909px)\"\r\n                                width=\"909\"\r\n                                height=\"344\"\r\n                                srcset=\"https:\/\/www.gt-engineering.it\/wp-content\/uploads\/2023\/07\/SS12.gif.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\/07\/SS12.gif.webp\"\r\n                                                        title=\"SS12.gif\"\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        \n        \n                <div class=\"clear-both\"><\/div>\n        \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                    <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\/07\/ss2d1.gif-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=\"224\"\r\n                                srcset=\"https:\/\/www.gt-engineering.it\/wp-content\/uploads\/2023\/07\/ss2d1.gif-300x224.webp\"\r\n                                type=\"image\/webp\"\r\n                            \/>\r\n                                                                                <source\r\n                                media=\"(max-width: 540px)\"\r\n                                width=\"540\"\r\n                                height=\"403\"\r\n                                srcset=\"https:\/\/www.gt-engineering.it\/wp-content\/uploads\/2023\/07\/ss2d1.gif.webp\"\r\n                                type=\"image\/webp\"\r\n                            \/>\r\n                                                                                <source\r\n                                media=\"(max-width: 540px)\"\r\n                                width=\"540\"\r\n                                height=\"403\"\r\n                                srcset=\"https:\/\/www.gt-engineering.it\/wp-content\/uploads\/2023\/07\/ss2d1.gif.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\/07\/ss2d1.gif.webp\"\r\n                                                        title=\"ss2d1.gif\"\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><strong>L&rsquo;arr\u00eat s\u00e9curis\u00e9 2 (SS2)<\/strong> est une fonction de s\u00e9curit\u00e9 qui correspond \u00e0 <strong>un arr\u00eat de cat\u00e9gorie 2<\/strong> (arr\u00eat contr\u00f4l\u00e9) conform\u00e9ment \u00e0 la norme IEC 60204-1. Il est possible de distinguer les arr\u00eats de s\u00e9curit\u00e9 2 suivants<\/p>\n<p><strong>SS2 &#8211; d (d\u00e9c\u00e9l\u00e9ration contr\u00f4l\u00e9e)<\/strong> : d\u00e9clenche et contr\u00f4le le taux de d\u00e9c\u00e9l\u00e9ration du moteur dans les limites fix\u00e9es pour arr\u00eater le moteur et d\u00e9clenche la fonction d&rsquo;arr\u00eat de s\u00e9curit\u00e9 lorsque la vitesse du moteur est inf\u00e9rieure \u00e0 une limite sp\u00e9cifi\u00e9e ;<\/p>\n<p><strong>SS2 &#8211; r (rampe contr\u00f4l\u00e9e)<\/strong> : d\u00e9clenche et contr\u00f4le le taux de d\u00e9c\u00e9l\u00e9ration du moteur dans les limites d\u00e9finies pour arr\u00eater le moteur et d\u00e9clenche la fonction d&rsquo;arr\u00eat de s\u00e9curit\u00e9 lorsque la vitesse du moteur est inf\u00e9rieure \u00e0 une limite sp\u00e9cifi\u00e9e ;<\/p>\n<p><strong>SS2 &#8211; t (temps contr\u00f4l\u00e9)<\/strong> : d\u00e9clenche la d\u00e9c\u00e9l\u00e9ration du moteur et la fonction d&rsquo;arr\u00eat de s\u00e9curit\u00e9 apr\u00e8s une temporisation sp\u00e9cifique \u00e0 l&rsquo;application.<\/p>\n<\/div>            <\/div>\n        \n        \n                <div class=\"clear-both\"><\/div>\n        \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                    <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\/2\"\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\/ss21.gif-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=\"108\"\r\n                                srcset=\"https:\/\/www.gt-engineering.it\/wp-content\/uploads\/2023\/07\/ss21.gif-300x108.webp\"\r\n                                type=\"image\/webp\"\r\n                            \/>\r\n                                                                                <source\r\n                                media=\"(max-width: 768px)\"\r\n                                width=\"768\"\r\n                                height=\"275\"\r\n                                srcset=\"https:\/\/www.gt-engineering.it\/wp-content\/uploads\/2023\/07\/ss21.gif-768x275.webp\"\r\n                                type=\"image\/webp\"\r\n                            \/>\r\n                                                                                <source\r\n                                media=\"(max-width: 918px)\"\r\n                                width=\"918\"\r\n                                height=\"329\"\r\n                                srcset=\"https:\/\/www.gt-engineering.it\/wp-content\/uploads\/2023\/07\/ss21.gif.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\/07\/ss21.gif.webp\"\r\n                                                        title=\"ss21.gif\"\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        \n        \n                <div class=\"clear-both\"><\/div>\n        \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>L&rsquo;arr\u00eat s\u00e9curis\u00e9 2 diff\u00e8re de l&rsquo;arr\u00eat s\u00e9curis\u00e9 1 en ce sens qu&rsquo;au lieu d&rsquo;entrer en STO lorsque le mouvement s&rsquo;arr\u00eate, le syst\u00e8me entre <strong>en arr\u00eat de fonctionnement s\u00e9curis\u00e9 (SOS)<\/strong>. Lors d&rsquo;un arr\u00eat de s\u00e9curit\u00e9, le moteur est amen\u00e9 \u00e0 une position sp\u00e9cifique et y est maintenu par le variateur. Le couple complet est disponible pour maintenir l&rsquo;outil en position. L&rsquo;arr\u00eat est surveill\u00e9 en toute s\u00e9curit\u00e9 par le variateur.<\/p>\n<p><strong>En conclusion :<\/strong><\/p>\n<ul>\n<li>Lorsqu&rsquo;un arr\u00eat d&rsquo;urgence de <strong>cat\u00e9gorie 0<\/strong> est ex\u00e9cut\u00e9, l&rsquo;alimentation du moteur est imm\u00e9diatement interrompue. Un arr\u00eat d&rsquo;urgence de cat\u00e9gorie 0 est \u00e9quivalent \u00e0 la fonction STO (Safe Torque Off), telle que d\u00e9finie dans la norme EN 61800-5-2.<\/li>\n<li>Lorsqu&rsquo;un arr\u00eat d&rsquo;urgence de <strong>cat\u00e9gorie 1<\/strong> est ex\u00e9cut\u00e9, la machine est arr\u00eat\u00e9e par une d\u00e9c\u00e9l\u00e9ration contr\u00f4l\u00e9e de la vitesse, puis l&rsquo;alimentation est interrompue. Un arr\u00eat d&rsquo;urgence de cat\u00e9gorie 1 est \u00e9quivalent \u00e0 la fonction SS1 (Safe Stop 1), telle que d\u00e9finie dans la norme EN 61800-5-2.<\/li>\n<li>Un arr\u00eat de <strong>cat\u00e9gorie 2<\/strong> arr\u00eate les mouvements sans toutefois couper l&rsquo;alimentation \u00e9lectrique : le moteur est arr\u00eat\u00e9 mais \u00ab\u00a0en couple\u00a0\u00bb.<\/li>\n<\/ul>\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>Selon la norme EN 60204-1 <\/p>\n<p>il existe trois cat\u00e9gories de fonctions d&rsquo;arr\u00eat :<\/p>\n","protected":false},"author":182,"featured_media":37782,"parent":0,"menu_order":95,"template":"","meta":{"_acf_changed":false,"footnotes":""},"tipologia_approfondimento":[152],"class_list":["post-37780","approfondimento","type-approfondimento","status-publish","has-post-thumbnail","hentry","tipologia_approfondimento-la-securite-des-machines"],"acf":{"sottotitolo":"","allegati":null},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - 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