{"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\/pt\/analog-signal-4-20ma-vs-1-5vdc-which-is-better\/","title":{"rendered":"Sinal anal\u00f3gico: 4-20mA versus 1-5VDC, qual \u00e9 o melhor?"},"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;\">Imagine o seguinte: voc\u00ea \u00e9 gerente em uma oficina de produ\u00e7\u00e3o e quer saber o tamanho do fluxo de l\u00edquido em tempo real. Na verdade, voc\u00ea pode considerar a convers\u00e3o do tamanho do fluxo em um sinal el\u00e9trico anal\u00f3gico de 4-20 mA facilmente mensur\u00e1vel. Ao detectar o tamanho do sinal el\u00e9trico e convert\u00ea-lo no valor de fluxo correspondente, voc\u00ea pode monitorar facilmente o fluxo de \u00e1gua em tempo real.<\/span><\/p><p><span style=\"font-weight: 400;\">N\u00e3o apenas no exemplo acima, mas tamb\u00e9m no campo do controle de automa\u00e7\u00e3o, os sinais anal\u00f3gicos desempenham um papel fundamental. Ele \u00e9 como uma r\u00e9gua. Ao medir seu valor e convert\u00ea-lo em outras quantidades f\u00edsicas correspondentes, podemos entender claramente a temperatura, o som, o n\u00edvel do l\u00edquido etc.\u00a0<\/span><\/p><p><span style=\"font-weight: 400;\">J\u00e1 que ele \u00e9 t\u00e3o importante, o que \u00e9 exatamente? Quantos tipos de sinais anal\u00f3gicos existem no mundo? Quais s\u00e3o suas vantagens e desvantagens? Neste artigo, forneceremos insights abrangentes com base no conhecimento da equipe de engenharia da 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\">O que \u00e9 um sinal anal\u00f3gico?<\/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=\"Sinal anal\u00f3gico e seu sinal digital correspondente\" 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>Diferentemente das quantidades digitais, que s\u00e3o valores num\u00e9ricos discretos, os sinais anal\u00f3gicos s\u00e3o quantidades f\u00edsicas que mudam continuamente tanto no tempo quanto no valor.<\/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\">Quais dispositivos podem gerar sinais anal\u00f3gicos?<\/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;\">Em nosso <\/span><span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"https:\/\/lorentzzi.com\/pt\/\"><b>Lorentzzi<\/b><\/a><\/span><span style=\"font-weight: 400;\"> os seguintes produtos podem gerar sinais anal\u00f3gicos: nosso <\/span><span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"https:\/\/lorentzzi.com\/pt\/products\/proximity-sensor\/sensor-de-proximidade-capacitivo\/analog-capacitive-sensor\/\"><span style=\"font-weight: 400;\">sensores de proximidade capacitivos com sa\u00edda anal\u00f3gica<\/span><\/a><\/span><span style=\"font-weight: 400;\">, nosso <\/span><span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"https:\/\/lorentzzi.com\/pt\/controladores-de-temperatura\/\"><span style=\"font-weight: 400;\">Controladores de temperatura PID<\/span><\/a><\/span><span style=\"font-weight: 400;\">e nosso <span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"https:\/\/lorentzzi.com\/pt\/products\/proximity-sensor\/sensor-de-proximidade-indutivo\/analog-inductive-proximity-sensor-m8-m12-m18-m30-z40\/\">sensores de proximidade indutivos com sa\u00edda anal\u00f3gica<\/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\/pt\/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=\"Sensor capacitivo anal\u00f3gico-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\/pt\/products\/proximity-sensor\/capacitive-proximity-sensor\/analog-capacitive-sensor\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><h3 class=\"woocommerce-loop-product__title\">Sensor capacitivo anal\u00f3gico<\/h3><\/a>\n    <\/div>    <a href=\"https:\/\/lorentzzi.com\/pt\/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=\"Leia mais sobre \u201cAnalog Capacitive Sensor\u201d\" rel=\"nofollow\" data-success_message=\"\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\">Leia mais<\/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\/pt\/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=\"Sensor de proximidade indutivo de sa\u00edda digital LM14\" 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\/pt\/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\">Sensor de proximidade indutivo anal\u00f3gico, M8, M12, M18, M30, Z40<\/h3><\/a>\n    <\/div>    <a href=\"https:\/\/lorentzzi.com\/pt\/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=\"Leia mais sobre \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=\"\">Leia mais<\/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\/pt\/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=\"Controlador de temperatura PID CH102\" 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\/pt\/products\/temperature-controller\/pid-temperature-controller\/ch102-temperature-controller\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><h3 class=\"woocommerce-loop-product__title\">Controlador de temperatura CH102<\/h3><\/a>\n    <\/div>    <a href=\"https:\/\/lorentzzi.com\/pt\/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=\"Leia mais sobre \u201cCH102 Temperature Controller\u201d\" rel=\"nofollow\" data-success_message=\"\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\">Leia mais<\/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\/pt\/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=\"Controlador de temperatura 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\/pt\/products\/temperature-controller\/pid-temperature-controller\/rex-c400-temperature-controller\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><h3 class=\"woocommerce-loop-product__title\">Controlador de temperatura REX C400<\/h3><\/a>\n    <\/div>    <a href=\"https:\/\/lorentzzi.com\/pt\/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=\"Leia mais sobre \u201cREX C400 Temperature Controller\u201d\" rel=\"nofollow\" data-success_message=\"\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\">Leia mais<\/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;\">Al\u00e9m disso, no campo industrial, os seguintes produtos tamb\u00e9m podem gerar sinais anal\u00f3gicos, incluindo <\/span><span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"https:\/\/lorentzzi.com\/pt\/thermocouple-types-everything-you-need-to-know\/\"><span style=\"font-weight: 400;\">sensores de temperatura<\/span><\/a><\/span><span style=\"font-weight: 400;\">sensores de press\u00e3o, sensores de fluxo, sensores de n\u00edvel, <span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"https:\/\/lorentzzi.com\/pt\/sensores-de-proximidade\/\">sensores de posi\u00e7\u00e3o<\/a><\/span>sensores de vibra\u00e7\u00e3o, sensores de luz, 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\">Tipos de sinais anal\u00f3gicos<\/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>Os sinais anal\u00f3gicos padr\u00e3o podem ser divididos em sinais de tens\u00e3o de 0-10VDC, 1-5VDC e sinais de corrente de 4-20mA. Entre eles, os sinais de corrente de 4-20 mA s\u00e3o mais amplamente usados no campo da automa\u00e7\u00e3o industrial.<\/p><p>Na se\u00e7\u00e3o a seguir, explicaremos suas vantagens e desvantagens, respectivamente.<\/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\">Vantagens e desvantagens dos sinais anal\u00f3gicos de 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=\"Vantagens e desvantagens do sinal anal\u00f3gico de 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\">Vantagens<\/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;\">Adequado para transmiss\u00e3o a longa dist\u00e2ncia: Como o sinal de corrente n\u00e3o \u00e9 afetado pela queda de tens\u00e3o da linha de transmiss\u00e3o, o sinal anal\u00f3gico de 4-20 mA pode ser transmitido por at\u00e9 v\u00e1rios quil\u00f4metros.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">O sinal de corrente de 4-20 mA pode ser usado para monitorar se o gerador de sinal ou a linha de transmiss\u00e3o est\u00e1 danificada. Por exemplo, ao usar um gerador de 4-20 mA, um <\/span><span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"https:\/\/lorentzzi.com\/pt\/what-is-a-temperature-transmitter-a-comprehensive-explanation\/\"><span style=\"font-weight: 400;\">transmissor de temperatura<\/span><\/a><\/span><span style=\"font-weight: 400;\">Para medir a temperatura de 0 a 100 \u2103, ajuste 0 \u2103 para 4 mA e 100 \u2103 para 20 mA. Se a linha for desconectada ou o transmissor de temperatura for danificado, a corrente cair\u00e1 para 0 mA.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Adequado para ocasi\u00f5es inflam\u00e1veis e explosivas sem causar choque el\u00e9trico aos operadores: Por exemplo, o sinal anal\u00f3gico de corrente \u00e9 transmitido a 24 VCC, e nenhuma fa\u00edsca ser\u00e1 gerada quando o gerador de sinal for desligado no local da aplica\u00e7\u00e3o. De acordo com <\/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;\">Dados da TUV Rheinland<\/span><\/a><\/span><span style=\"font-weight: 400;\">Se o valor for muito alto, \u00e9 seguro usar 20 mA a 24 VCC.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Os valores de corrente podem ser facilmente convertidos em valores de tens\u00e3o: Deseja converter um sinal de corrente de 4-20 mA em um sinal de tens\u00e3o de 1-5 VCC? Voc\u00ea s\u00f3 precisa adicionar um resistor de 250 ohm entre os dois fios de 4-20 mA, de modo que, se a corrente for de 4 mA, a tens\u00e3o ser\u00e1 de 1 VCC (0,004*250), e o mesmo se a tens\u00e3o for 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\">Desvantagens<\/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;\">N\u00e3o \u00e9 adequado para enviar um sinal a v\u00e1rios receptores: Se houver muitos dispositivos que precisem adquirir esse sinal, os receptores precisar\u00e3o ser conectados em paralelo, o que pode exceder os recursos de acionamento do gerador de sinal.<\/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\">Vantagens e desvantagens dos sinais de tens\u00e3o anal\u00f3gicos<\/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=\"Vantagens e desvantagens dos sinais de tens\u00e3o anal\u00f3gicos\" 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\">Vantagens<\/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;\">Os sinais de tens\u00e3o anal\u00f3gicos podem ser recebidos por v\u00e1rios receptores sem aumentar a pot\u00eancia do gerador de sinais.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\">Os sinais de tens\u00e3o anal\u00f3gicos consomem menos energia: Sob as mesmas condi\u00e7\u00f5es, \u00e0 medida que a dist\u00e2ncia de transmiss\u00e3o aumenta, o consumo de energia dos sinais de tens\u00e3o diminui gradualmente.(P=U<span style=\"font-weight: 400;\">2<\/span><span style=\"font-weight: 400;\">\/R e 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\">Desvantagens<\/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;\">N\u00e3o \u00e9 adequado para transmiss\u00e3o de longa dist\u00e2ncia: Conforme mencionado anteriormente, a queda de tens\u00e3o no fio causar\u00e1 um erro entre a tens\u00e3o na extremidade receptora e a tens\u00e3o na extremidade emissora, resultando em um julgamento incorreto.<\/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\">Conclus\u00e3o<\/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;\">Em resumo, ao adquirir o conhecimento acima sobre sinais anal\u00f3gicos de corrente e tens\u00e3o e entender suas vantagens e desvantagens, a equipe de engenharia da Lorentzzi recomenda fortemente o uso de sinais anal\u00f3gicos de 4-20mA em vez de sinais anal\u00f3gicos de tens\u00e3o de 1-5VDC.<\/span><\/p><p><span style=\"font-weight: 400;\">Se voc\u00ea precisar de nosso suporte t\u00e9cnico ou de nossos dispositivos geradores anal\u00f3gicos, como o nosso <\/span><span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"https:\/\/lorentzzi.com\/pt\/products\/proximity-sensor\/sensor-de-proximidade-capacitivo\/analog-capacitive-sensor\/\"><span style=\"font-weight: 400;\">sensor de proximidade capacitivo com sa\u00edda anal\u00f3gica<\/span><\/a><\/span><span style=\"font-weight: 400;\"> ou <\/span><span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"https:\/\/lorentzzi.com\/pt\/controladores-de-temperatura\/\"><span style=\"font-weight: 400;\">Controlador de temperatura PID<\/span><\/a><\/span><span style=\"font-weight: 400;\">Entre em contato conosco ou envie uma mensagem para <\/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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