{"id":16623,"date":"2025-04-20T11:01:05","date_gmt":"2025-04-20T03:01:05","guid":{"rendered":"https:\/\/lorentzzi.com\/?p=16623"},"modified":"2025-07-07T10:19:33","modified_gmt":"2025-07-07T02:19:33","slug":"analog-signal-4-20ma-vs-1-5vdc-which-is-better","status":"publish","type":"post","link":"https:\/\/lorentzzi.com\/fr\/analog-signal-4-20ma-vs-1-5vdc-which-is-better\/","title":{"rendered":"Signal analogique : 4-20mA Vs. 1-5VDC, quel est le meilleur ?"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"16623\" class=\"elementor elementor-16623\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2ca8ab3 e-flex e-con-boxed e-con e-parent\" data-id=\"2ca8ab3\" 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-5905e09 elementor-widget elementor-widget-text-editor\" data-id=\"5905e09\" 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;\">Imaginez ceci : vous \u00eates responsable d'un atelier de production et vous souhaitez conna\u00eetre la taille du flux de liquide en temps r\u00e9el, que devez-vous faire ? En fait, vous pouvez envisager de convertir la taille du flux en un signal \u00e9lectrique analogique 4-20mA facilement mesurable. En d\u00e9tectant la taille du signal \u00e9lectrique et en le convertissant en valeur de d\u00e9bit correspondante, vous pouvez facilement contr\u00f4ler le d\u00e9bit d'eau en temps r\u00e9el.<\/span><\/p><p><span style=\"font-weight: 400;\">Non seulement dans l'exemple ci-dessus, mais aussi dans le domaine du contr\u00f4le de l'automatisation, les signaux analogiques jouent un r\u00f4le essentiel. C'est comme une r\u00e8gle. En mesurant sa valeur et en la convertissant en d'autres quantit\u00e9s physiques correspondantes, nous pouvons comprendre clairement la temp\u00e9rature, le son, le niveau de liquide, etc.\u00a0<\/span><\/p><p><span style=\"font-weight: 400;\">Puisqu'il est si important, qu'est-ce que c'est exactement ? Combien de types de signaux analogiques existe-t-il dans le monde ? Quels sont leurs avantages et leurs inconv\u00e9nients ? Dans cet article, nous vous fournissons des informations compl\u00e8tes bas\u00e9es sur les connaissances de l'\u00e9quipe d'ing\u00e9nieurs de Lorentzzi.<\/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-8ff178c elementor-widget elementor-widget-heading\" data-id=\"8ff178c\" 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 signal analogique ?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2676c80 elementor-widget elementor-widget-image\" data-id=\"2676c80\" 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 fetchpriority=\"high\" decoding=\"async\" width=\"768\" height=\"384\" src=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/04\/Analog-Signal-And-Its-Corresponding-Digital-Signal-768x384.jpg\" class=\"attachment-medium_large size-medium_large wp-image-16624\" alt=\"Signal analogique et son signal num\u00e9rique correspondant\" srcset=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/04\/Analog-Signal-And-Its-Corresponding-Digital-Signal-768x384.jpg 768w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/04\/Analog-Signal-And-Its-Corresponding-Digital-Signal-300x150.jpg 300w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/04\/Analog-Signal-And-Its-Corresponding-Digital-Signal-600x300.jpg 600w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/04\/Analog-Signal-And-Its-Corresponding-Digital-Signal-64x32.jpg 64w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/04\/Analog-Signal-And-Its-Corresponding-Digital-Signal.jpg 1024w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/>\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-75bf3b9 elementor-widget elementor-widget-text-editor\" data-id=\"75bf3b9\" 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>Contrairement aux quantit\u00e9s num\u00e9riques qui sont des valeurs num\u00e9riques discr\u00e8tes, les signaux analogiques sont des quantit\u00e9s physiques qui changent continuellement \u00e0 la fois dans le temps et en valeur.<\/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-414eb81 elementor-widget elementor-widget-video\" data-id=\"414eb81\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;youtube_url&quot;:&quot;https:\\\/\\\/youtu.be\\\/TaoQfzIvdPo&quot;,&quot;video_type&quot;:&quot;youtube&quot;,&quot;controls&quot;:&quot;yes&quot;}\" data-widget_type=\"video.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-wrapper elementor-open-inline\">\n\t\t\t<div class=\"elementor-video\"><\/div>\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-e258bbe elementor-widget elementor-widget-heading\" data-id=\"e258bbe\" 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\">Quels sont les dispositifs qui peuvent g\u00e9n\u00e9rer des signaux analogiques ?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-162574b elementor-widget elementor-widget-text-editor\" data-id=\"162574b\" 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;\">Dans notre <\/span><span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"https:\/\/lorentzzi.com\/fr\/\"><b>Lorentzzi\u00ae<\/b><\/a><\/span><span style=\"font-weight: 400;\"> les produits suivants peuvent g\u00e9n\u00e9rer des signaux analogiques : notre <\/span><span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"https:\/\/lorentzzi.com\/fr\/products\/proximity-sensor\/capacitive-proximity-sensor\/analog-capacitive-sensor\/\"><span style=\"font-weight: 400;\">capteurs de proximit\u00e9 capacitifs \u00e0 sortie analogique<\/span><\/a><\/span><span style=\"font-weight: 400;\">, notre <\/span><span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"https:\/\/lorentzzi.com\/fr\/temperature-controllers\/\"><span style=\"font-weight: 400;\">R\u00e9gulateurs de temp\u00e9rature PID<\/span><\/a><\/span><span style=\"font-weight: 400;\">et notre <span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"https:\/\/lorentzzi.com\/fr\/products\/proximity-sensor\/inductive-proximity-sensor\/analog-inductive-proximity-sensor-m8-m12-m18-m30-z40\/\">capteurs de proximit\u00e9 inductifs \u00e0 sortie analogique<\/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-3f992e0 eael-product-grid-column-4 elementor-widget elementor-widget-eicon-woocommerce\" data-id=\"3f992e0\" 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=\"3f992e0\" data-page-id=\"16623\" data-nonce=\"b828bd4a11\" >\n            <div class=\"woocommerce\">\n                <ul class=\"products eael-post-appender eael-post-appender-3f992e0\" 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\/proximity-sensor\/capacitive-proximity-sensor\/analog-capacitive-sensor\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><img decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/11\/Analog-capacitive-sensor-1-300x300.jpg\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail wvs-archive-product-image\" alt=\"Capteur capacitif analogique-1\" loading=\"eager\" srcset=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/11\/Analog-capacitive-sensor-1-300x300.jpg 300w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/11\/Analog-capacitive-sensor-1-150x150.jpg 150w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/11\/Analog-capacitive-sensor-1-600x600.jpg 600w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/11\/Analog-capacitive-sensor-1-100x100.jpg 100w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/11\/Analog-capacitive-sensor-1-64x64.jpg 64w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/11\/Analog-capacitive-sensor-1.jpg 640w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><div class=\"eael-product-title\">\n    <a href=\"https:\/\/lorentzzi.com\/fr\/products\/proximity-sensor\/capacitive-proximity-sensor\/analog-capacitive-sensor\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><h3 class=\"woocommerce-loop-product__title\">Capteur capacitif analogique<\/h3><\/a>\n    <\/div>    <a href=\"https:\/\/lorentzzi.com\/fr\/products\/proximity-sensor\/capacitive-proximity-sensor\/analog-capacitive-sensor\/\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_12977\" data-quantity=\"1\" class=\"button product_type_simple\" data-product_id=\"12977\" data-product_sku=\"\" aria-label=\"En savoir plus sur \u201cAnalog Capacitive Sensor\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_12977\" 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\/proximity-sensor\/inductive-proximity-sensor\/analog-inductive-proximity-sensor-m8-m12-m18-m30-z40\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><img decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/03\/LM14-inductive-sensor-1-300x300.jpg\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail wvs-archive-product-image\" alt=\"Capteur de proximit\u00e9 inductif LM14 \u00e0 sortie num\u00e9rique\" loading=\"eager\" srcset=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/03\/LM14-inductive-sensor-1-300x300.jpg 300w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/03\/LM14-inductive-sensor-1-150x150.jpg 150w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/03\/LM14-inductive-sensor-1-600x600.jpg 600w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/03\/LM14-inductive-sensor-1-100x100.jpg 100w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/03\/LM14-inductive-sensor-1-64x64.jpg 64w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/03\/LM14-inductive-sensor-1.jpg 640w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><div class=\"eael-product-title\">\n    <a href=\"https:\/\/lorentzzi.com\/fr\/products\/proximity-sensor\/inductive-proximity-sensor\/analog-inductive-proximity-sensor-m8-m12-m18-m30-z40\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><h3 class=\"woocommerce-loop-product__title\">D\u00e9tecteur de proximit\u00e9 inductif analogique, M8, M12, M18, M30, Z40<\/h3><\/a>\n    <\/div>    <a href=\"https:\/\/lorentzzi.com\/fr\/products\/proximity-sensor\/inductive-proximity-sensor\/analog-inductive-proximity-sensor-m8-m12-m18-m30-z40\/\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_8413\" data-quantity=\"1\" class=\"button product_type_simple\" data-product_id=\"8413\" data-product_sku=\"\" aria-label=\"En savoir plus sur \u201cAnalog Inductive Proximity Sensor, M8, M12, M18, M30, Z40\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_8413\" 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\/temperature-controller\/pid-temperature-controller\/ch102-temperature-controller\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><img decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2022\/11\/CH102-PID-temperature-controller-1-300x300.jpg\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail wvs-archive-product-image\" alt=\"CH102 R\u00e9gulateur de temp\u00e9rature PID\" loading=\"eager\" srcset=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2022\/11\/CH102-PID-temperature-controller-1-300x300.jpg 300w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2022\/11\/CH102-PID-temperature-controller-1-150x150.jpg 150w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2022\/11\/CH102-PID-temperature-controller-1-600x600.jpg 600w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2022\/11\/CH102-PID-temperature-controller-1-100x100.jpg 100w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2022\/11\/CH102-PID-temperature-controller-1-64x64.jpg 64w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2022\/11\/CH102-PID-temperature-controller-1.jpg 640w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><div class=\"eael-product-title\">\n    <a href=\"https:\/\/lorentzzi.com\/fr\/products\/temperature-controller\/pid-temperature-controller\/ch102-temperature-controller\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><h3 class=\"woocommerce-loop-product__title\">CH102 Contr\u00f4leur de temp\u00e9rature<\/h3><\/a>\n    <\/div>    <a href=\"https:\/\/lorentzzi.com\/fr\/products\/temperature-controller\/pid-temperature-controller\/ch102-temperature-controller\/\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_5385\" data-quantity=\"1\" class=\"button product_type_simple\" data-product_id=\"5385\" data-product_sku=\"\" aria-label=\"En savoir plus sur \u201cCH102 Temperature Controller\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_5385\" 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\/temperature-controller\/pid-temperature-controller\/rex-c400-temperature-controller\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><img decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2022\/10\/REX-C400-PID-temperature-controller-300x300.jpg\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail wvs-archive-product-image\" alt=\"R\u00e9gulateur de temp\u00e9rature REX C400 PID\" loading=\"eager\" srcset=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2022\/10\/REX-C400-PID-temperature-controller-300x300.jpg 300w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2022\/10\/REX-C400-PID-temperature-controller-150x150.jpg 150w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2022\/10\/REX-C400-PID-temperature-controller-600x600.jpg 600w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2022\/10\/REX-C400-PID-temperature-controller-100x100.jpg 100w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2022\/10\/REX-C400-PID-temperature-controller-64x64.jpg 64w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2022\/10\/REX-C400-PID-temperature-controller.jpg 640w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><div class=\"eael-product-title\">\n    <a href=\"https:\/\/lorentzzi.com\/fr\/products\/temperature-controller\/pid-temperature-controller\/rex-c400-temperature-controller\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><h3 class=\"woocommerce-loop-product__title\">R\u00e9gulateur de temp\u00e9rature REX C400<\/h3><\/a>\n    <\/div>    <a href=\"https:\/\/lorentzzi.com\/fr\/products\/temperature-controller\/pid-temperature-controller\/rex-c400-temperature-controller\/\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_5219\" data-quantity=\"1\" class=\"button product_type_simple\" data-product_id=\"5219\" data-product_sku=\"\" aria-label=\"En savoir plus sur \u201cREX C400 Temperature Controller\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_5219\" 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-3f992e0\");\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-44560ed elementor-widget elementor-widget-text-editor\" data-id=\"44560ed\" 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 outre, dans le domaine industriel, les produits suivants peuvent \u00e9galement g\u00e9n\u00e9rer des signaux analogiques, notamment <\/span><span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"https:\/\/lorentzzi.com\/fr\/thermocouple-types-everything-you-need-to-know\/\"><span style=\"font-weight: 400;\">capteurs de temp\u00e9rature<\/span><\/a><\/span><span style=\"font-weight: 400;\">Capteurs de pression, capteurs de d\u00e9bit, capteurs de niveau, <span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"https:\/\/lorentzzi.com\/fr\/proximity-sensors\/\">capteurs de position<\/a><\/span>des capteurs de vibrations, des capteurs de lumi\u00e8re, etc.<\/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-a1e773a elementor-widget elementor-widget-heading\" data-id=\"a1e773a\" 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 signaux analogiques<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-216b6da elementor-widget elementor-widget-text-editor\" data-id=\"216b6da\" 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>Les signaux analogiques standard peuvent \u00eatre divis\u00e9s en signaux de tension 0-10VDC, 1-5VDC et signaux de courant 4-20mA. Parmi eux, les signaux de courant 4-20mA sont les plus utilis\u00e9s dans le domaine de l'automatisation industrielle.<\/p><p>Dans la section suivante, nous expliquerons leurs avantages et leurs inconv\u00e9nients respectifs.<\/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-5e4d8e6 elementor-widget elementor-widget-heading\" data-id=\"5e4d8e6\" 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\">Avantages et inconv\u00e9nients des signaux analogiques 4-20 mA<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b7283b3 elementor-widget elementor-widget-image\" data-id=\"b7283b3\" 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=\"768\" height=\"384\" src=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/04\/Advantages-And-Disadvantages-Of-4-20mA-analog-signal-768x384.jpg\" class=\"attachment-medium_large size-medium_large wp-image-16627\" alt=\"Avantages et inconv\u00e9nients du signal analogique 4-20 mA\" srcset=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/04\/Advantages-And-Disadvantages-Of-4-20mA-analog-signal-768x384.jpg 768w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/04\/Advantages-And-Disadvantages-Of-4-20mA-analog-signal-300x150.jpg 300w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/04\/Advantages-And-Disadvantages-Of-4-20mA-analog-signal-600x300.jpg 600w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/04\/Advantages-And-Disadvantages-Of-4-20mA-analog-signal-64x32.jpg 64w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/04\/Advantages-And-Disadvantages-Of-4-20mA-analog-signal.jpg 1024w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/>\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-a364321 elementor-widget elementor-widget-heading\" data-id=\"a364321\" 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<h3 class=\"elementor-heading-title elementor-size-default\">Avantages<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-114a775 elementor-widget elementor-widget-text-editor\" data-id=\"114a775\" 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<ol><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Convient \u00e0 la transmission sur de longues distances : Le signal de courant n'\u00e9tant pas affect\u00e9 par la chute de tension de la ligne de transmission, le signal analogique 4-20 mA peut \u00eatre transmis sur plusieurs kilom\u00e8tres.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Le signal de courant 4-20 mA peut \u00eatre utilis\u00e9 pour contr\u00f4ler si le g\u00e9n\u00e9rateur de signaux ou la ligne de transmission est endommag\u00e9. Par exemple, lors de l'utilisation d'un g\u00e9n\u00e9rateur 4-20 mA, un <\/span><span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"https:\/\/lorentzzi.com\/fr\/what-is-a-temperature-transmitter-a-comprehensive-explanation\/\"><span style=\"font-weight: 400;\">transmetteur de temp\u00e9rature<\/span><\/a><\/span><span style=\"font-weight: 400;\">Pour mesurer la temp\u00e9rature de 0-100\u2103, r\u00e9gler 0\u2103 sur 4 mA et 100\u2103 sur 20 mA. Si la ligne est d\u00e9connect\u00e9e ou si le transmetteur de temp\u00e9rature est endommag\u00e9, le courant tombera \u00e0 0 mA.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Convient aux situations inflammables et explosives sans provoquer de choc \u00e9lectrique pour les op\u00e9rateurs : Par exemple, le signal de courant analogique est transmis \u00e0 24 VDC et aucune \u00e9tincelle n'est produite lorsque le g\u00e9n\u00e9rateur de signaux est \u00e9teint sur le site d'application. Selon les normes de l'Union europ\u00e9enne, le signal analogique est transmis \u00e0 une tension de 24 VDC. <\/span><span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"https:\/\/www.tuv.com\/content-media-files\/usa\/pdfs\/1020-field-evaluation-service-(fes)-for-u.s.-and-canada\/tuv_rheinland_02_effects_of_electrical_current_in_human_body.pdf\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Donn\u00e9es de TUV Rheinland<\/span><\/a><\/span><span style=\"font-weight: 400;\">il est prudent d'utiliser 20 mA \u00e0 24 VDC.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Les valeurs de courant peuvent \u00eatre facilement converties en valeurs de tension : Vous souhaitez convertir un signal de courant de 4-20 mA en un signal de tension de 1-5 VDC ? Il suffit d'ajouter une r\u00e9sistance de 250 ohms entre les deux fils de 4-20 mA. Si le courant est de 4 mA, la tension est de 1 VCC (0,004*250), et il en va de m\u00eame si la tension est de 5 VCC.<\/span><\/li><\/ol>\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-3d68ca8 elementor-widget elementor-widget-heading\" data-id=\"3d68ca8\" 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<h3 class=\"elementor-heading-title elementor-size-default\">Inconv\u00e9nients<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7907a19 elementor-widget elementor-widget-text-editor\" data-id=\"7907a19\" 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<ol><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ne convient pas pour envoyer un signal \u00e0 plusieurs r\u00e9cepteurs : Si de nombreux appareils doivent acqu\u00e9rir ce signal, les r\u00e9cepteurs doivent \u00eatre connect\u00e9s en parall\u00e8le, ce qui peut d\u00e9passer les capacit\u00e9s de pilotage du g\u00e9n\u00e9rateur de signaux.<\/span><\/li><\/ol>\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-199bc91 elementor-widget elementor-widget-heading\" data-id=\"199bc91\" 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\">Avantages et inconv\u00e9nients des signaux de tension analogiques<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7fecf0b elementor-widget elementor-widget-image\" data-id=\"7fecf0b\" 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=\"768\" height=\"384\" src=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/04\/Advantages-and-disadvantages-of-analog-voltage-signals-768x384.jpg\" class=\"attachment-medium_large size-medium_large wp-image-16626\" alt=\"Avantages et inconv\u00e9nients des signaux de tension analogiques\" srcset=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/04\/Advantages-and-disadvantages-of-analog-voltage-signals-768x384.jpg 768w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/04\/Advantages-and-disadvantages-of-analog-voltage-signals-300x150.jpg 300w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/04\/Advantages-and-disadvantages-of-analog-voltage-signals-600x300.jpg 600w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/04\/Advantages-and-disadvantages-of-analog-voltage-signals-64x32.jpg 64w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/04\/Advantages-and-disadvantages-of-analog-voltage-signals.jpg 1024w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/>\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-9ceba76 elementor-widget elementor-widget-heading\" data-id=\"9ceba76\" 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<h3 class=\"elementor-heading-title elementor-size-default\">Avantages<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0485217 elementor-widget elementor-widget-text-editor\" data-id=\"0485217\" 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<ol><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Les signaux de tension analogiques peuvent \u00eatre re\u00e7us par diff\u00e9rents r\u00e9cepteurs sans augmenter la puissance du g\u00e9n\u00e9rateur de signaux.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\">Les signaux de tension analogiques consomment moins d'\u00e9nergie : Dans les m\u00eames conditions, \u00e0 mesure que la distance de transmission augmente, la consommation d'\u00e9nergie des signaux de tension diminue progressivement (P=U<span style=\"font-weight: 400;\">2<\/span><span style=\"font-weight: 400;\">\/R et P=I<\/span><span style=\"font-weight: 400;\">2<\/span><span style=\"font-weight: 400;\">*R)<\/span><\/li><\/ol>\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-2c50673 elementor-widget elementor-widget-heading\" data-id=\"2c50673\" 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<h3 class=\"elementor-heading-title elementor-size-default\">Inconv\u00e9nients<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e16a1bc elementor-widget elementor-widget-text-editor\" data-id=\"e16a1bc\" 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<ol><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ne convient pas \u00e0 la transmission sur de longues distances : Comme indiqu\u00e9 pr\u00e9c\u00e9demment, la chute de tension dans le c\u00e2ble provoque une erreur entre la tension \u00e0 la r\u00e9ception et la tension \u00e0 l'\u00e9mission, ce qui entra\u00eene une erreur d'appr\u00e9ciation.<\/span><\/li><\/ol>\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-6bae14c elementor-widget elementor-widget-heading\" data-id=\"6bae14c\" 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-25583c1 elementor-widget elementor-widget-text-editor\" data-id=\"25583c1\" 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, en apprenant les connaissances ci-dessus sur les signaux analogiques de courant et de tension et en comprenant leurs avantages et inconv\u00e9nients, l'\u00e9quipe d'ing\u00e9nieurs de Lorentzzi recommande fortement d'utiliser les signaux analogiques 4-20mA au lieu des signaux analogiques de tension 1-5VDC.<\/span><\/p><p><span style=\"font-weight: 400;\">Si vous avez besoin de notre assistance technique ou de nos g\u00e9n\u00e9rateurs analogiques tels que notre <\/span><span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"https:\/\/lorentzzi.com\/fr\/products\/proximity-sensor\/capacitive-proximity-sensor\/analog-capacitive-sensor\/\"><span style=\"font-weight: 400;\">capteur de proximit\u00e9 capacitif \u00e0 sortie analogique<\/span><\/a><\/span><span style=\"font-weight: 400;\"> ou <\/span><span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"https:\/\/lorentzzi.com\/fr\/temperature-controllers\/\"><span style=\"font-weight: 400;\">R\u00e9gulateur de temp\u00e9rature PID<\/span><\/a><\/span><span style=\"font-weight: 400;\">Veuillez nous contacter ou envoyer un message \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;\">.<\/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>Imagine this: you are a manager in a production workshop and want to know the size of the liquid flow in real time, what should you do? In fact, you can consider converting the flow size into an easily measurable 4-20mA analog electrical signal. By detecting the size of the electrical signal and converting it [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":16625,"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":[110],"tags":[],"class_list":["post-16623","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sensor","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>Analog Signal: 4-20mA Vs. 1-5VDC, Which Is Better?<\/title>\n<meta name=\"description\" content=\"In this article, you will learn about analog signal types, advantages and disadvantages, click to get more details now!\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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