{"id":18558,"date":"2025-09-12T22:48:57","date_gmt":"2025-09-12T14:48:57","guid":{"rendered":"https:\/\/lorentzzi.com\/?p=18558"},"modified":"2025-09-18T10:31:52","modified_gmt":"2025-09-18T02:31:52","slug":"optical-rotary-encoder-what-is-it-and-how-does-it-work","status":"publish","type":"post","link":"https:\/\/lorentzzi.com\/fr\/optical-rotary-encoder-what-is-it-and-how-does-it-work\/","title":{"rendered":"Codeur rotatif optique : Qu'est-ce que c'est et comment cela fonctionne-t-il ?"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"18558\" class=\"elementor elementor-18558\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5901a4b e-flex e-con-boxed e-con e-parent\" data-id=\"5901a4b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-24bbc64 elementor-widget elementor-widget-text-editor\" data-id=\"24bbc64\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Comment mesurer la vitesse ou le sens de rotation d'un moteur ?<\/span><\/p><p><span style=\"font-weight: 400;\">L'utilisation d'un capteur \u00e0 effet Hall et d'un tachym\u00e8tre est une bonne option, mais elle pr\u00e9sente un inconv\u00e9nient : elle ne mesure que la vitesse du moteur, et non son sens de rotation.<\/span><\/p><p><span style=\"font-weight: 400;\">Existe-t-il d'autres m\u00e9thodes pour mesurer \u00e0 la fois la vitesse et le sens de rotation ?<\/span><\/p><p><span style=\"font-weight: 400;\">En tant que fournisseur professionnel de codeurs rotatifs optiques en Chine, <\/span><span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"https:\/\/lorentzzi.com\/fr\/\"><span style=\"font-weight: 400;\">Lorentzzi Electric<\/span><\/a><\/span><span style=\"font-weight: 400;\"> recommande le codeur rotatif optique \u00e0 quadrature AB \u00e0 deux canaux.<\/span><\/p><p><span style=\"font-weight: 400;\">Qu'est-ce qu'un codeur rotatif optique ? Comment fonctionne-t-il ?<\/span><\/p><p><span style=\"font-weight: 400;\">Dans les sections suivantes, nous les expliquons en d\u00e9tail, de l'int\u00e9rieur \u00e0 l'ext\u00e9rieur.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e4e14d6 elementor-widget elementor-widget-heading\" data-id=\"e4e14d6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Qu'est-ce qu'un codeur rotatif optique ?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3f6ea67 eael-product-grid-column-4 elementor-widget elementor-widget-eicon-woocommerce\" data-id=\"3f6ea67\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"eicon-woocommerce.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\n        <div class=\"eael-product-grid eael-product-simple grid\" id=\"eael-product-grid\" data-widget-id=\"3f6ea67\" data-page-id=\"18558\" data-nonce=\"636274bb85\" >\n            <div class=\"woocommerce\">\n                <ul class=\"products eael-post-appender eael-post-appender-3f6ea67\" data-ssi-desktop=\"no\" data-ssi-tablet=\"no\" data-ssi-mobile=\"no\" data-layout-mode=\"grid\"> <li class=\"product\">\n<div class=\"eael-product-wrap\" data-src=\"\" data-src-hover=\"\">\n    <a href=\"https:\/\/lorentzzi.com\/fr\/products\/incremental-rotary-encoder\/hollow-shaft-incremental-rotary-encoder\/2048-ppr-encoder-programmable-incremental-rotary-encoder\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><img fetchpriority=\"high\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/09\/2048-ppr-encoder-programmable-inremental-rotary-encoder-3-300x300.jpg\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail wvs-archive-product-image\" alt=\"2048 ppr encoder, programmable inremental rotary encoder-3\" loading=\"eager\" srcset=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/09\/2048-ppr-encoder-programmable-inremental-rotary-encoder-3-300x300.jpg 300w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/09\/2048-ppr-encoder-programmable-inremental-rotary-encoder-3-150x150.jpg 150w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/09\/2048-ppr-encoder-programmable-inremental-rotary-encoder-3-600x600.jpg 600w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/09\/2048-ppr-encoder-programmable-inremental-rotary-encoder-3-100x100.jpg 100w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/09\/2048-ppr-encoder-programmable-inremental-rotary-encoder-3-64x64.jpg 64w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/09\/2048-ppr-encoder-programmable-inremental-rotary-encoder-3.jpg 640w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><div class=\"eael-product-title\">\n    <a href=\"https:\/\/lorentzzi.com\/fr\/products\/incremental-rotary-encoder\/hollow-shaft-incremental-rotary-encoder\/2048-ppr-encoder-programmable-incremental-rotary-encoder\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><h3 class=\"woocommerce-loop-product__title\">2048 PPR Encoder, codeur rotatif incr\u00e9mental programmable<\/h3><\/a>\n    <\/div>    <a href=\"https:\/\/lorentzzi.com\/fr\/products\/incremental-rotary-encoder\/hollow-shaft-incremental-rotary-encoder\/2048-ppr-encoder-programmable-incremental-rotary-encoder\/\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_12601\" data-quantity=\"1\" class=\"button product_type_simple\" data-product_id=\"12601\" data-product_sku=\"\" aria-label=\"En savoir plus sur \u201c2048 PPR Encoder, Programmable Incremental Rotary Encoder\u201d\" rel=\"nofollow\" data-success_message=\"\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\">Lire la suite<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_12601\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n    \n<\/div>\n\n<\/li> <li class=\"product\">\n<div class=\"eael-product-wrap\" data-src=\"\" data-src-hover=\"\">\n    <a href=\"https:\/\/lorentzzi.com\/fr\/products\/incremental-rotary-encoder\/solid-shaft-encoder-incremental-rotary-encoder\/100-ppr-encoder-incremental-solid-shaft-line-driver-encoder\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><img decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/09\/100-ppr-encoder-line-driver-encoder-1-300x300.jpg\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail wvs-archive-product-image\" alt=\"100 ppr codeur, pilote de ligne codeur-1\" loading=\"eager\" srcset=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/09\/100-ppr-encoder-line-driver-encoder-1-300x300.jpg 300w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/09\/100-ppr-encoder-line-driver-encoder-1-150x150.jpg 150w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/09\/100-ppr-encoder-line-driver-encoder-1-600x600.jpg 600w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/09\/100-ppr-encoder-line-driver-encoder-1-100x100.jpg 100w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/09\/100-ppr-encoder-line-driver-encoder-1-64x64.jpg 64w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/09\/100-ppr-encoder-line-driver-encoder-1.jpg 640w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><div class=\"eael-product-title\">\n    <a href=\"https:\/\/lorentzzi.com\/fr\/products\/incremental-rotary-encoder\/solid-shaft-encoder-incremental-rotary-encoder\/100-ppr-encoder-incremental-solid-shaft-line-driver-encoder\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><h3 class=\"woocommerce-loop-product__title\">100 PPR Encoder, Incremental Solid Shaft Line Driver Encoder<\/h3><\/a>\n    <\/div>    <a href=\"https:\/\/lorentzzi.com\/fr\/products\/incremental-rotary-encoder\/solid-shaft-encoder-incremental-rotary-encoder\/100-ppr-encoder-incremental-solid-shaft-line-driver-encoder\/\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_12593\" data-quantity=\"1\" class=\"button product_type_simple\" data-product_id=\"12593\" data-product_sku=\"\" aria-label=\"En savoir plus sur \u201c100 PPR Encoder, Incremental Solid Shaft Line Driver Encoder\u201d\" rel=\"nofollow\" data-success_message=\"\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\">Lire la suite<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_12593\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n    \n<\/div>\n\n<\/li> <li class=\"product\">\n<div class=\"eael-product-wrap\" data-src=\"\" data-src-hover=\"\">\n    <a href=\"https:\/\/lorentzzi.com\/fr\/products\/incremental-rotary-encoder\/hollow-shaft-incremental-rotary-encoder\/500-ppr-encoder-hollow-shaft-incremental-a-b-z-encoder\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><img decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/09\/500-PPR-Encoder-Hollow-Shaft-Incremental-A-B-Z-Encoder-4-1-300x300.jpg\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail wvs-archive-product-image\" alt=\"500 PPR Encoder, Hollow Shaft Incremental A B Z Encoder\" loading=\"eager\" srcset=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/09\/500-PPR-Encoder-Hollow-Shaft-Incremental-A-B-Z-Encoder-4-1-300x300.jpg 300w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/09\/500-PPR-Encoder-Hollow-Shaft-Incremental-A-B-Z-Encoder-4-1-150x150.jpg 150w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/09\/500-PPR-Encoder-Hollow-Shaft-Incremental-A-B-Z-Encoder-4-1-12x12.jpg 12w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/09\/500-PPR-Encoder-Hollow-Shaft-Incremental-A-B-Z-Encoder-4-1-600x600.jpg 600w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/09\/500-PPR-Encoder-Hollow-Shaft-Incremental-A-B-Z-Encoder-4-1-100x100.jpg 100w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/09\/500-PPR-Encoder-Hollow-Shaft-Incremental-A-B-Z-Encoder-4-1-64x64.jpg 64w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/09\/500-PPR-Encoder-Hollow-Shaft-Incremental-A-B-Z-Encoder-4-1.jpg 640w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><div class=\"eael-product-title\">\n    <a href=\"https:\/\/lorentzzi.com\/fr\/products\/incremental-rotary-encoder\/hollow-shaft-incremental-rotary-encoder\/500-ppr-encoder-hollow-shaft-incremental-a-b-z-encoder\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><h3 class=\"woocommerce-loop-product__title\">500 PPR Encoder, Hollow Shaft Incremental A B Z Encoder<\/h3><\/a>\n    <\/div>    <a href=\"https:\/\/lorentzzi.com\/fr\/products\/incremental-rotary-encoder\/hollow-shaft-incremental-rotary-encoder\/500-ppr-encoder-hollow-shaft-incremental-a-b-z-encoder\/\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_12395\" data-quantity=\"1\" class=\"button product_type_simple\" data-product_id=\"12395\" data-product_sku=\"\" aria-label=\"En savoir plus sur \u201c500 PPR Encoder, Hollow Shaft Incremental A B Z Encoder\u201d\" rel=\"nofollow\" data-success_message=\"\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\">Lire la suite<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_12395\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n    \n<\/div>\n\n<\/li> <li class=\"product\">\n<div class=\"eael-product-wrap\" data-src=\"\" data-src-hover=\"\">\n    <a href=\"https:\/\/lorentzzi.com\/fr\/products\/incremental-rotary-encoder\/solid-shaft-encoder-incremental-rotary-encoder\/5000-ppr-solid-shaft-incremental-optical-rotary-encoder\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><img decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/09\/5000-ppr-encoder-38mm-diameter-inremental-solid-shaft-encoder-shaft-size-8mm-1-300x300.jpg\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail wvs-archive-product-image\" alt=\"5000 PPR Solid Shaft Incremental Optical Rotary Encoder\" loading=\"eager\" srcset=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/09\/5000-ppr-encoder-38mm-diameter-inremental-solid-shaft-encoder-shaft-size-8mm-1-300x300.jpg 300w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/09\/5000-ppr-encoder-38mm-diameter-inremental-solid-shaft-encoder-shaft-size-8mm-1-150x150.jpg 150w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/09\/5000-ppr-encoder-38mm-diameter-inremental-solid-shaft-encoder-shaft-size-8mm-1-600x600.jpg 600w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/09\/5000-ppr-encoder-38mm-diameter-inremental-solid-shaft-encoder-shaft-size-8mm-1-100x100.jpg 100w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/09\/5000-ppr-encoder-38mm-diameter-inremental-solid-shaft-encoder-shaft-size-8mm-1-64x64.jpg 64w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/09\/5000-ppr-encoder-38mm-diameter-inremental-solid-shaft-encoder-shaft-size-8mm-1.jpg 640w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><div class=\"eael-product-title\">\n    <a href=\"https:\/\/lorentzzi.com\/fr\/products\/incremental-rotary-encoder\/solid-shaft-encoder-incremental-rotary-encoder\/5000-ppr-solid-shaft-incremental-optical-rotary-encoder\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><h3 class=\"woocommerce-loop-product__title\">5000 PPR Solid Shaft Incremental Optical Rotary Encoder<\/h3><\/a>\n    <\/div>    <a href=\"https:\/\/lorentzzi.com\/fr\/products\/incremental-rotary-encoder\/solid-shaft-encoder-incremental-rotary-encoder\/5000-ppr-solid-shaft-incremental-optical-rotary-encoder\/\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_12303\" data-quantity=\"1\" class=\"button product_type_simple\" data-product_id=\"12303\" data-product_sku=\"\" aria-label=\"En savoir plus sur \u201c5000 PPR Solid Shaft Incremental Optical Rotary Encoder\u201d\" rel=\"nofollow\" data-success_message=\"\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\">Lire la suite<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_12303\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n    \n<\/div>\n\n<\/li><\/ul>            <\/div>\n        <\/div>\n\n        <script type=\"text\/javascript\">\n            jQuery(document).ready(function($) {\n                var $scope = jQuery(\".elementor-element-3f6ea67\");\n                var $products = $('.products', $scope);\n                var $layout_mode = $products.data('layout-mode');\n                \n                if ( $layout_mode === 'masonry' ) {\n                    \/\/ init isotope\n                    var $isotope_products = $products.isotope({\n                        itemSelector: \"li.product\",\n                        layoutMode: $layout_mode,\n                        percentPosition: true\n                    });\n\n                    $isotope_products.imagesLoaded().progress( function() {\n                        $isotope_products.isotope('layout');\n                    })\n                    \n                }\n            });\n        <\/script>\n        \t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-92c9b10 elementor-widget elementor-widget-text-editor\" data-id=\"92c9b10\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">En termes simples, un codeur rotatif optique est un capteur de type photo\u00e9lectrique qui d\u00e9tecte le mouvement de rotation en captant les impulsions lumineuses g\u00e9n\u00e9r\u00e9es par un disque cod\u00e9 lorsqu'il tourne entre une source lumineuse et un d\u00e9tecteur.<\/span><\/p><p><span style=\"font-weight: 400;\">Il peut mesurer la vitesse, la direction et la position angulaire d'un moteur.<\/span><\/p><p><span style=\"font-weight: 400;\">Les codeurs rotatifs optiques sont souvent install\u00e9s dans les servomoteurs en tant que capteurs de retour pour l'unit\u00e9 de commande.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-466f6ba elementor-widget elementor-widget-image\" data-id=\"466f6ba\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1024\" height=\"512\" src=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/09\/Opitcal-rotary-encoder-inside-a-servo-motor.jpg\" class=\"attachment-large size-large wp-image-18561\" alt=\"Codeur rotatif optique \u00e0 l&#039;int\u00e9rieur d&#039;un servomoteur\" srcset=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/09\/Opitcal-rotary-encoder-inside-a-servo-motor.jpg 1024w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/09\/Opitcal-rotary-encoder-inside-a-servo-motor-300x150.jpg 300w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/09\/Opitcal-rotary-encoder-inside-a-servo-motor-768x384.jpg 768w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/09\/Opitcal-rotary-encoder-inside-a-servo-motor-600x300.jpg 600w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/09\/Opitcal-rotary-encoder-inside-a-servo-motor-64x32.jpg 64w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2945e2d elementor-widget elementor-widget-heading\" data-id=\"2945e2d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Comment fonctionne un codeur rotatif optique ?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0dec75b elementor-widget elementor-widget-text-editor\" data-id=\"0dec75b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Pour comprendre le fonctionnement d'un codeur rotatif optique, il faut d'abord conna\u00eetre ses composants et sa composition.<\/span><\/p><p><span style=\"font-weight: 400;\">La figure ci-dessous montre la structure d'un codeur rotatif optique.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9b58630 elementor-widget elementor-widget-image\" data-id=\"9b58630\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1024\" height=\"512\" src=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/09\/Optical-rotary-encoder-composition.jpg\" class=\"attachment-large size-large wp-image-18564\" alt=\"Composition du codeur rotatif optique\" srcset=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/09\/Optical-rotary-encoder-composition.jpg 1024w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/09\/Optical-rotary-encoder-composition-300x150.jpg 300w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/09\/Optical-rotary-encoder-composition-768x384.jpg 768w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/09\/Optical-rotary-encoder-composition-600x300.jpg 600w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/09\/Optical-rotary-encoder-composition-64x32.jpg 64w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c4fc64c elementor-widget elementor-widget-text-editor\" data-id=\"c4fc64c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Comme le montre l'image ci-dessus, un codeur rotatif optique se compose de sept \u00e9l\u00e9ments principaux : une diode \u00e9lectroluminescente, un prisme, un disque de codage, un photocapteur, une alimentation \u00e9lectrique, un arbre rotatif et des roulements.<\/span><\/p><p><span style=\"font-weight: 400;\">Le principe de fonctionnement d'un codeur rotatif optique est le suivant : Lorsque le codeur est aliment\u00e9, une diode \u00e9lectroluminescente (DEL) \u00e9claire une fente fixe sur un disque de codage \u00e0 travers un prisme. Lorsque le moteur fait tourner le codeur, ses parties transparentes et opaques transmettent et bloquent alternativement la lumi\u00e8re. Une photodiode (ou un phototransistor) situ\u00e9e derri\u00e8re le disque de codage convertit les impulsions lumineuses re\u00e7ues en impulsions de tension ; lorsque la bande opaque bloque la fente, aucune impulsion n'est g\u00e9n\u00e9r\u00e9e. En comptant le nombre d'impulsions par unit\u00e9 de temps, le syst\u00e8me peut calculer la vitesse du moteur.<\/span><\/p><p><span style=\"font-weight: 400;\">L'explication ci-dessus s'applique aux codeurs photo\u00e9lectriques \u00e0 un canal. Toutefois, le m\u00eame principe s'applique \u00e9galement aux codeurs \u00e0 deux canaux.<\/span><\/p><p><span style=\"font-weight: 400;\">Dans un codeur photo\u00e9lectrique \u00e0 deux canaux, deux pistes de code apparaissent sur le m\u00eame disque de code, \u00e0 90 degr\u00e9s l'une de l'autre.<\/span><\/p><p><span style=\"font-weight: 400;\">Ces deux pistes de code sont g\u00e9n\u00e9ralement appel\u00e9es canaux A et B.<\/span><\/p><p><span style=\"font-weight: 400;\">En mesurant si l'impulsion de la phase A pr\u00e9c\u00e8de ou retarde l'impulsion de la phase B, il est possible de d\u00e9terminer si le moteur tourne en avant ou en arri\u00e8re.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-24c19b7 elementor-widget elementor-widget-heading\" data-id=\"24c19b7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Types de codeurs rotatifs optiques<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-588224b elementor-widget elementor-widget-text-editor\" data-id=\"588224b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Voyons maintenant combien il existe de types de codeurs rotatifs optiques.<\/span><\/p><p><span style=\"font-weight: 400;\">Les codeurs rotatifs optiques peuvent \u00eatre divis\u00e9s en deux types : <\/span><span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"https:\/\/lorentzzi.com\/fr\/rotary-encoders\/\"><span style=\"font-weight: 400;\">codeur rotatif optique incr\u00e9mental<\/span><\/a><\/span><span style=\"font-weight: 400;\"> et <\/span><span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"https:\/\/lorentzzi.com\/fr\/beginners-guide-how-to-choose-an-absolute-rotary-encoder\/\"><span style=\"font-weight: 400;\">codeur rotatif optique absolu<\/span><\/a><\/span><span style=\"font-weight: 400;\">.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f28f61b elementor-widget elementor-widget-image\" data-id=\"f28f61b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1024\" height=\"512\" src=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/09\/Absolute-rotary-encoder-and-incremental-rotary-encoder-code-disc-photo.jpg\" class=\"attachment-large size-large wp-image-18562\" alt=\"\" srcset=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/09\/Absolute-rotary-encoder-and-incremental-rotary-encoder-code-disc-photo.jpg 1024w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/09\/Absolute-rotary-encoder-and-incremental-rotary-encoder-code-disc-photo-300x150.jpg 300w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/09\/Absolute-rotary-encoder-and-incremental-rotary-encoder-code-disc-photo-768x384.jpg 768w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/09\/Absolute-rotary-encoder-and-incremental-rotary-encoder-code-disc-photo-600x300.jpg 600w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/09\/Absolute-rotary-encoder-and-incremental-rotary-encoder-code-disc-photo-64x32.jpg 64w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8d473a2 elementor-widget elementor-widget-text-editor\" data-id=\"8d473a2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Les codeurs incr\u00e9mentaux sont les codeurs optiques les plus r\u00e9pandus sur le march\u00e9. S'ils pr\u00e9sentent l'avantage d'\u00eatre plus abordables que les codeurs absolus, ils ont aussi l'inconv\u00e9nient de perdre les signaux de position en cas de coupure d'alimentation, ce qui n\u00e9cessite une nouvelle position z\u00e9ro.<\/span><\/p><p><span style=\"font-weight: 400;\">Les codeurs rotatifs optiques incr\u00e9mentaux offrent deux formats de sortie : <\/span><span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"https:\/\/lorentzzi.com\/fr\/quadrature-encoder-6-things-you-need-to-know\/\"><span style=\"font-weight: 400;\">quadrature (onde carr\u00e9e num\u00e9rique)<\/span><\/a><\/span><span style=\"font-weight: 400;\"> et sinuso\u00efdale (analogique sin\/cosinus), cette derni\u00e8re ayant une r\u00e9solution et une pr\u00e9cision plus \u00e9lev\u00e9es.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-11e4298 elementor-widget elementor-widget-image\" data-id=\"11e4298\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"512\" src=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/09\/Quadrature-and-sinusoidal-optical-rotary-encoder-output-waveforms.jpg\" class=\"attachment-large size-large wp-image-18559\" alt=\"Forme d&#039;onde de sortie du codeur rotatif optique en quadrature et sinuso\u00efdale\" srcset=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/09\/Quadrature-and-sinusoidal-optical-rotary-encoder-output-waveforms.jpg 1024w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/09\/Quadrature-and-sinusoidal-optical-rotary-encoder-output-waveforms-300x150.jpg 300w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/09\/Quadrature-and-sinusoidal-optical-rotary-encoder-output-waveforms-768x384.jpg 768w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/09\/Quadrature-and-sinusoidal-optical-rotary-encoder-output-waveforms-600x300.jpg 600w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/09\/Quadrature-and-sinusoidal-optical-rotary-encoder-output-waveforms-64x32.jpg 64w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4a433cd elementor-widget elementor-widget-text-editor\" data-id=\"4a433cd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">D'un autre point de vue, les codeurs rotatifs optiques peuvent \u00eatre divis\u00e9s en <span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"https:\/\/lorentzzi.com\/fr\/hollow-shaft-vs-solid-shaft-rotary-encoders-key-differences-how-to-choose\/\">type d'arbre plein et type d'arbre creux<\/a><\/span>.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e33ced4 elementor-widget elementor-widget-heading\" data-id=\"e33ced4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Codeurs rotatifs optiques ou magn\u00e9tiques<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-91028ab elementor-widget elementor-widget-image\" data-id=\"91028ab\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"512\" src=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/09\/Optical-and-magnetic-type-rotary-encoder-product-photos.jpg\" class=\"attachment-large size-large wp-image-18560\" alt=\"Photos des produits codeurs rotatifs optiques et magn\u00e9tiques\" srcset=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/09\/Optical-and-magnetic-type-rotary-encoder-product-photos.jpg 1024w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/09\/Optical-and-magnetic-type-rotary-encoder-product-photos-300x150.jpg 300w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/09\/Optical-and-magnetic-type-rotary-encoder-product-photos-768x384.jpg 768w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/09\/Optical-and-magnetic-type-rotary-encoder-product-photos-600x300.jpg 600w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/09\/Optical-and-magnetic-type-rotary-encoder-product-photos-64x32.jpg 64w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9806651 elementor-widget elementor-widget-text-editor\" data-id=\"9806651\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Il existe un autre type de codeur rotatif, le codeur rotatif magn\u00e9tique.<\/span><\/p><p><span style=\"font-weight: 400;\">Contrairement aux codeurs optiques, les codeurs rotatifs magn\u00e9tiques fonctionnent selon le principe de la conversion magn\u00e9to\u00e9lectrique.\u00a0<\/span><\/p><p><span style=\"font-weight: 400;\">Ils sont constitu\u00e9s d'un disque avec un motif magn\u00e9tique mont\u00e9 sur un arbre rotatif.\u00a0<\/span><\/p><p><span style=\"font-weight: 400;\">Lorsque le disque tourne, la distribution du champ magn\u00e9tique environnant change. Un capteur magn\u00e9tique (tel qu'un \u00e9l\u00e9ment Hall) d\u00e9tecte ces variations de champ et les convertit en signaux \u00e9lectriques.\u00a0<\/span><\/p><p><span style=\"font-weight: 400;\">Le m\u00eame circuit de traitement g\u00e9n\u00e8re ensuite un signal de sortie repr\u00e9sentant les informations de rotation.<\/span><\/p><p><span style=\"font-weight: 400;\">Voyons maintenant les diff\u00e9rences entre les deux types de codeurs rotatifs :<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-520775b eael-dt-th-align-center eael-table-align-center elementor-widget elementor-widget-eael-data-table\" data-id=\"520775b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"eael-data-table.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"eael-data-table-wrap\" data-table_id=\"520775b\" id=\"eael-data-table-wrapper-520775b\" data-custom_responsive=\"false\">\n\t\t\t<table class=\"tablesorter eael-data-table center\" id=\"eael-data-table-520775b\">\n\t\t\t    <thead>\n\t\t\t        <tr class=\"table-header\">\n\t\t\t\t\t\t\t\t\t            <th class=\"\" id=\"\" colspan=\"\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"data-table-header-text\">Objet<\/span><\/th>\n\t\t\t        \t\t\t\t            <th class=\"\" id=\"\" colspan=\"\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"data-table-header-text\">Codeur rotatif optique<\/span><\/th>\n\t\t\t        \t\t\t\t            <th class=\"\" id=\"\" colspan=\"\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"data-table-header-text\">Codeur rotatif magn\u00e9tique<\/span><\/th>\n\t\t\t        \t\t\t\t        <\/tr>\n\t\t\t    <\/thead>\n\t\t\t  \t<tbody>\n\t\t\t\t\t\t\t\t\t\t\t<tr>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t   \t\t\t\t\t\t\t\t\t\t\t<td colspan=\"\" rowspan=\"\" class=\"\" id=\"\">\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"td-content-wrapper\"><div class=\"td-content\">\n\t\t\t\t\t\t\t\t\t\t\t\t\tPrincipe de fonctionnement\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t   \t\t\t\t\t\t\t\t\t\t\t<td colspan=\"\" rowspan=\"\" class=\"\" id=\"\">\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"td-content-wrapper\"><div class=\"td-content\">\n\t\t\t\t\t\t\t\t\t\t\t\t\tEn utilisant le principe de la conversion photo\u00e9lectrique\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t   \t\t\t\t\t\t\t\t\t\t\t<td colspan=\"\" rowspan=\"\" class=\"\" id=\"\">\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"td-content-wrapper\"><div class=\"td-content\">\n\t\t\t\t\t\t\t\t\t\t\t\t\tEn utilisant le principe de la conversion magn\u00e9to\u00e9lectrique\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t        \t\t\t\t\t\t<tr>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t   \t\t\t\t\t\t\t\t\t\t\t<td colspan=\"\" rowspan=\"\" class=\"\" id=\"\">\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"td-content-wrapper\"><div class=\"td-content\">\n\t\t\t\t\t\t\t\t\t\t\t\t\tPr\u00e9cision\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t   \t\t\t\t\t\t\t\t\t\t\t<td colspan=\"\" rowspan=\"\" class=\"\" id=\"\">\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"td-content-wrapper\"><div class=\"td-content\">\n\t\t\t\t\t\t\t\t\t\t\t\t\tHaut\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t   \t\t\t\t\t\t\t\t\t\t\t<td colspan=\"\" rowspan=\"\" class=\"\" id=\"\">\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"td-content-wrapper\"><div class=\"td-content\">\n\t\t\t\t\t\t\t\t\t\t\t\t\tRelativement faible\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t        \t\t\t\t\t\t<tr>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t   \t\t\t\t\t\t\t\t\t\t\t<td colspan=\"\" rowspan=\"\" class=\"\" id=\"\">\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"td-content-wrapper\"><div class=\"td-content\">\n\t\t\t\t\t\t\t\t\t\t\t\t\tCapacit\u00e9 anti-interf\u00e9rence\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t   \t\t\t\t\t\t\t\t\t\t\t<td colspan=\"\" rowspan=\"\" class=\"\" id=\"\">\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"td-content-wrapper\"><div class=\"td-content\">\n\t\t\t\t\t\t\t\t\t\t\t\t\tRelativement insensible aux interf\u00e9rences \u00e9lectromagn\u00e9tiques\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t   \t\t\t\t\t\t\t\t\t\t\t<td colspan=\"\" rowspan=\"\" class=\"\" id=\"\">\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"td-content-wrapper\"><div class=\"td-content\">\n\t\t\t\t\t\t\t\t\t\t\t\t\tR\u00e9sistance relativement faible aux interf\u00e9rences des champs magn\u00e9tiques intenses\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t        \t\t\t\t\t\t<tr>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t   \t\t\t\t\t\t\t\t\t\t\t<td colspan=\"\" rowspan=\"\" class=\"\" id=\"\">\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"td-content-wrapper\"><div class=\"td-content\">\n\t\t\t\t\t\t\t\t\t\t\t\t\tCode durabilit\u00e9 du disque\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t   \t\t\t\t\t\t\t\t\t\t\t<td colspan=\"\" rowspan=\"\" class=\"\" id=\"\">\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"td-content-wrapper\"><div class=\"td-content\">\n\t\t\t\t\t\t\t\t\t\t\t\t\tLe disque de codage est facilement endommag\u00e9 par les chocs, il ne faut donc pas frapper le produit pendant son utilisation.\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t   \t\t\t\t\t\t\t\t\t\t\t<td colspan=\"\" rowspan=\"\" class=\"\" id=\"\">\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"td-content-wrapper\"><div class=\"td-content\">\n\t\t\t\t\t\t\t\t\t\t\t\t\tLes chocs externes n'endommagent pas le disque de codage, mais il est sensible aux interf\u00e9rences du champ magn\u00e9tique.\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t        \t\t\t\t\t\t<tr>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t   \t\t\t\t\t\t\t\t\t\t\t<td colspan=\"\" rowspan=\"\" class=\"\" id=\"\">\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"td-content-wrapper\"><div class=\"td-content\">\n\t\t\t\t\t\t\t\t\t\t\t\t\tSc\u00e9nario d'application\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t   \t\t\t\t\t\t\t\t\t\t\t<td colspan=\"\" rowspan=\"\" class=\"\" id=\"\">\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"td-content-wrapper\"><div class=\"td-content\">\n\t\t\t\t\t\t\t\t\t\t\t\t\tD\u00e9tection de la position des machines-outils \u00e0 commande num\u00e9rique, des articulations de robots, etc.\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t   \t\t\t\t\t\t\t\t\t\t\t<td colspan=\"\" rowspan=\"\" class=\"\" id=\"\">\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"td-content-wrapper\"><div class=\"td-content\">\n\t\t\t\t\t\t\t\t\t\t\t\t\tD\u00e9tection de la vitesse du moteur automobile, d\u00e9tection de certaines pi\u00e8ces rotatives dans les lignes de production de l'automatisation industrielle.\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t        \t\t\t    <\/tbody>\n\t\t\t<\/table>\n\t\t<\/div>\n\t  \t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8a9d045 elementor-widget elementor-widget-heading\" data-id=\"8a9d045\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Conclusion<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-718ec30 elementor-widget elementor-widget-text-editor\" data-id=\"718ec30\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">En r\u00e9sum\u00e9, les codeurs rotatifs optiques sont des capteurs bas\u00e9s sur l'effet photo\u00e9lectrique et sont largement utilis\u00e9s dans les moteurs \u00e9lectriques comme capteurs de retour pour les unit\u00e9s de contr\u00f4le. Ils permettent un contr\u00f4le tr\u00e8s pr\u00e9cis de la vitesse, de l'angle de rotation et de la direction.<\/span><\/p><p><span style=\"font-weight: 400;\">Les codeurs rotatifs optiques sont de plus en plus utilis\u00e9s dans les syst\u00e8mes de contr\u00f4le automatis\u00e9s.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f9aa70c elementor-widget elementor-widget-image\" data-id=\"f9aa70c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"#elementor-action%3Aaction%3Dpopup%3Aopen%26settings%3DeyJpZCI6Ijg4MzMiLCJ0b2dnbGUiOmZhbHNlfQ%3D%3D\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"512\" src=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/08\/Lorentzzi-high-quality-incremental-rotary-encoder-CTA-1.jpg\" class=\"attachment-large size-large wp-image-18220\" alt=\"Codeur rotatif incr\u00e9mental Lorentzzi de haute qualit\u00e9 CTA\" srcset=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/08\/Lorentzzi-high-quality-incremental-rotary-encoder-CTA-1.jpg 1024w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/08\/Lorentzzi-high-quality-incremental-rotary-encoder-CTA-1-300x150.jpg 300w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/08\/Lorentzzi-high-quality-incremental-rotary-encoder-CTA-1-768x384.jpg 768w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/08\/Lorentzzi-high-quality-incremental-rotary-encoder-CTA-1-600x300.jpg 600w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/08\/Lorentzzi-high-quality-incremental-rotary-encoder-CTA-1-64x32.jpg 64w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-43af42c elementor-widget elementor-widget-text-editor\" data-id=\"43af42c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Si vous souhaitez obtenir de plus amples informations ou vous renseigner sur les prix des codeurs rotatifs optiques incr\u00e9mentaux, veuillez vous adresser \u00e0 <\/span><span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"https:\/\/lorentzzi.com\/fr\/contact-us\/\"><span style=\"font-weight: 400;\">nous contacter<\/span><\/a><\/span><span style=\"font-weight: 400;\"> ou envoyer une demande de renseignements \u00e0 <\/span><span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"mailto:shonxu@lorentzzi.com\"><span style=\"font-weight: 400;\">shonxu@lorentzzi.com<\/span><\/a><\/span><span style=\"font-weight: 400;\">. Notre personnel de vente vous r\u00e9pondra dans les 24 heures.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>How can we measure the speed or direction of rotation of a motor? Using a hall effect sensor and tachometer is a good option, but it has a drawback: it only measures the motor&#8217;s speed, not its direction of rotation. Are there other methods for measuring both speed and direction of rotation? As a professional [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":18563,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[168],"tags":[],"class_list":["post-18558","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-rotary-encoder","desktop-align-center","tablet-align-left","mobile-align-left"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.0 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Optical Rotary Encoder: What Is It And How Does It Work?<\/title>\n<meta name=\"description\" content=\"In this article, we will provide you with comprehensive knowledge about optical rotary encoder. 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