{"id":11514,"date":"2023-08-18T21:02:44","date_gmt":"2023-08-18T13:02:44","guid":{"rendered":"https:\/\/lorentzzi.com\/?p=11514"},"modified":"2025-07-07T10:27:21","modified_gmt":"2025-07-07T02:27:21","slug":"pnp-vs-npn-proximity-sensors-key-differences-wiring-diagram-and-how-to-choose","status":"publish","type":"post","link":"https:\/\/lorentzzi.com\/es\/pnp-vs-npn-proximity-sensors-key-differences-wiring-diagram-and-how-to-choose\/","title":{"rendered":"Sensores de proximidad PNP vs NPN: Diferencias clave, diagrama de cableado y c\u00f3mo elegir"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"11514\" class=\"elementor elementor-11514\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c6e3e4b e-flex e-con-boxed e-con e-parent\" data-id=\"c6e3e4b\" 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-9bfc618 elementor-widget elementor-widget-text-editor\" data-id=\"9bfc618\" 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;\">Tanto los sensores de proximidad PNP como los NPN se utilizan ampliamente en la automatizaci\u00f3n industrial, por ejemplo, para detectar la posici\u00f3n de objetos en movimiento, sustituir los finales de carrera de contacto, detectar la velocidad de objetos en rotaci\u00f3n, contar el n\u00famero de objetos, etc.\u00a0<\/span><\/p><p><span style=\"font-weight: 400;\">Pero, \u00bfconoce la diferencia entre ellos, sus diagramas de cableado y c\u00f3mo elegirlos? Este art\u00edculo se lo explicar\u00e1 con todo detalle, as\u00ed que empiece a aprender.<\/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-ad06f82 elementor-widget elementor-widget-image\" data-id=\"ad06f82\" 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\/2023\/08\/NPN-and-PNP-proximity-sensors-in-different-sizes-768x384.jpg\" class=\"attachment-medium_large size-medium_large wp-image-15500\" alt=\"Detectores de proximidad NPN y PNP de diferentes tama\u00f1os\" srcset=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/08\/NPN-and-PNP-proximity-sensors-in-different-sizes-768x384.jpg 768w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/08\/NPN-and-PNP-proximity-sensors-in-different-sizes-300x150.jpg 300w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/08\/NPN-and-PNP-proximity-sensors-in-different-sizes-600x300.jpg 600w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/08\/NPN-and-PNP-proximity-sensors-in-different-sizes-64x32.jpg 64w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/08\/NPN-and-PNP-proximity-sensors-in-different-sizes.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-54fc200 elementor-widget elementor-widget-heading\" data-id=\"54fc200\" 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\">\u00bfQu\u00e9 son los sensores de proximidad?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e610c3c elementor-widget elementor-widget-text-editor\" data-id=\"e610c3c\" 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;\">Para entender mejor los sensores PNP y NPN, primero tenemos que saber qu\u00e9 son los sensores de proximidad.<\/span><\/p><p style=\"text-align: left;\"><span style=\"font-weight: 400;\">Un sensor de proximidad es un interruptor sin contacto que emite una se\u00f1al espec\u00edfica de tensi\u00f3n o corriente cuando un objeto entra en su rango de detecci\u00f3n. Y seg\u00fan las diferencias de las tecnolog\u00edas de detecci\u00f3n, los sensores de proximidad pueden dividirse en <\/span><span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"https:\/\/lorentzzi.com\/es\/inductive-proximity-sensor\/\"><span style=\"font-weight: 400;\">detectores de proximidad inductivos<\/span><\/a><\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"https:\/\/lorentzzi.com\/es\/capacitive-proximity-sensor\/\"><span style=\"font-weight: 400;\">sensores de proximidad capacitivos<\/span><\/a><\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"https:\/\/lorentzzi.com\/es\/sensor-fotoelectrico\/\"><span style=\"font-weight: 400;\">sensores fotoelectr\u00f3nicos<\/span><\/a><\/span><span style=\"font-weight: 400;\">( <\/span><span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"https:\/\/lorentzzi.com\/es\/safety-light-curtain-sensor\/\"><span style=\"font-weight: 400;\">cortina de luz de seguridad<\/span><\/a><\/span><span style=\"font-weight: 400;\"> ), sensores Hall, sensores ultras\u00f3nicos.  El primer sensor de proximidad fue inventado en 1958 por ingenieros alemanes <\/span><span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"https:\/\/www.meile-der-innovationen.de\/en\/innovationen\/naeherungsschalter-1958\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Wilfried Gehl, Walter Pepperl y Ludwig Fuchs<\/span><\/a><\/span><span style=\"font-weight: 400;\">. Walter Pepperl y Ludwig Fuchs fueron tambi\u00e9n los fundadores de la empresa alemana <\/span><span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"https:\/\/www.pepperl-fuchs.com\/global\/en\/index.htm\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Pepperl+Fuchs<\/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-48ea413 eael-product-grid-column-4 elementor-widget elementor-widget-eicon-woocommerce\" data-id=\"48ea413\" 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=\"48ea413\" data-page-id=\"11514\" data-nonce=\"79719ded85\" >\n            <div class=\"woocommerce\">\n                <ul class=\"products 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href=\"https:\/\/lorentzzi.com\/es\/products\/proximity-sensor\/safety-light-curtain\/type-4-safety-light-curtain-ple-rating-for-finger-protection\/\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_15426\" data-quantity=\"1\" class=\"button product_type_simple\" data-product_id=\"15426\" data-product_sku=\"\" aria-label=\"Lee m\u00e1s sobre \u201cType 4 Safety Light Curtain, PLe Rating, For Finger Protection\u201d\" rel=\"nofollow\" data-success_message=\"\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\">Leer m\u00e1s<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_15426\" 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\/es\/products\/proximity-sensor\/photoelectric-sensor\/e3jk-r4m1-ac-dc-retroreflective-photoelectric-sensor\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><img decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/04\/E3JK-R4M1-Retroreflective-Photoelectric-Sensor-1-300x300.jpg\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail wvs-archive-product-image\" alt=\"E3JK-R4M1 Barrera fotoel\u00e9ctrica de reflexi\u00f3n-1\" loading=\"eager\" srcset=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/04\/E3JK-R4M1-Retroreflective-Photoelectric-Sensor-1-300x300.jpg 300w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/04\/E3JK-R4M1-Retroreflective-Photoelectric-Sensor-1-150x150.jpg 150w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/04\/E3JK-R4M1-Retroreflective-Photoelectric-Sensor-1-600x600.jpg 600w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/04\/E3JK-R4M1-Retroreflective-Photoelectric-Sensor-1-100x100.jpg 100w, 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class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><img decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/02\/CM18-1-300x300.jpg\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail wvs-archive-product-image\" alt=\"Detector de proximidad capacitivo M18\" loading=\"eager\" srcset=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/02\/CM18-1-300x300.jpg 300w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/02\/CM18-1-150x150.jpg 150w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/02\/CM18-1-600x600.jpg 600w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/02\/CM18-1-100x100.jpg 100w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/02\/CM18-1-64x64.jpg 64w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/02\/CM18-1.jpg 640w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><div class=\"eael-product-title\">\n    <a href=\"https:\/\/lorentzzi.com\/es\/products\/proximity-sensor\/capacitive-proximity-sensor\/m18-capacitive-sensor\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><h4 class=\"woocommerce-loop-product__title\">Sensor capacitivo M18<\/h4><\/a>\n    <\/div>    <a href=\"https:\/\/lorentzzi.com\/es\/products\/proximity-sensor\/capacitive-proximity-sensor\/m18-capacitive-sensor\/\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_7007\" data-quantity=\"1\" class=\"button product_type_simple\" data-product_id=\"7007\" data-product_sku=\"\" aria-label=\"Lee m\u00e1s sobre \u201cM18 Capacitive Sensor\u201d\" rel=\"nofollow\" data-success_message=\"\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\">Leer m\u00e1s<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_7007\" 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-48ea413\");\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-8639f65 elementor-widget elementor-widget-text-editor\" data-id=\"8639f65\" 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;\">Comprender la diferencia entre PNP y NPN es fundamental para una integraci\u00f3n perfecta con controladores como los PLC.<\/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-57a7ec7 elementor-widget elementor-widget-heading\" data-id=\"57a7ec7\" 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\">\u00bfQu\u00e9 son los detectores de proximidad PNP?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-75182ce elementor-widget elementor-widget-image\" data-id=\"75182ce\" 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\/2023\/08\/PNP-proximity-sensor-wiring-diagram-768x384.jpg\" class=\"attachment-medium_large size-medium_large wp-image-15499\" alt=\"Esquema el\u00e9ctrico del sensor de proximidad PNP\" srcset=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/08\/PNP-proximity-sensor-wiring-diagram-768x384.jpg 768w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/08\/PNP-proximity-sensor-wiring-diagram-300x150.jpg 300w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/08\/PNP-proximity-sensor-wiring-diagram-600x300.jpg 600w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/08\/PNP-proximity-sensor-wiring-diagram-64x32.jpg 64w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/08\/PNP-proximity-sensor-wiring-diagram.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-979421d elementor-widget elementor-widget-text-editor\" data-id=\"979421d\" 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;\">El sensor de proximidad PNP, tambi\u00e9n conocido como \"sensor de fuente\", funciona proporcionando una alta tensi\u00f3n a la carga cuando el objeto detectado se encuentra dentro de su rango de detecci\u00f3n. Esta acci\u00f3n suministra energ\u00eda a la carga, permitiendo que funcione seg\u00fan lo previsto.<\/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-814dd92 elementor-widget elementor-widget-heading\" data-id=\"814dd92\" 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\">\u00bfQu\u00e9 son los detectores de proximidad NPN?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d2587ae elementor-widget elementor-widget-image\" data-id=\"d2587ae\" 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\/2023\/08\/NPN-proximity-sensor-wiring-diagram-768x384.jpg\" class=\"attachment-medium_large size-medium_large wp-image-15498\" alt=\"Diagrama de cableado del sensor de proximidad NPN\" srcset=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/08\/NPN-proximity-sensor-wiring-diagram-768x384.jpg 768w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/08\/NPN-proximity-sensor-wiring-diagram-300x150.jpg 300w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/08\/NPN-proximity-sensor-wiring-diagram-600x300.jpg 600w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/08\/NPN-proximity-sensor-wiring-diagram-64x32.jpg 64w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/08\/NPN-proximity-sensor-wiring-diagram.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-f8bc1fe elementor-widget elementor-widget-text-editor\" data-id=\"f8bc1fe\" 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;\">Por el contrario, los sensores de proximidad NPN se denominan \"sensores de sumidero\". En lugar de suministrar alimentaci\u00f3n a la carga, crean un camino a tierra, permitiendo que la corriente fluya desde la carga a trav\u00e9s del sensor hasta la tierra. Esto significa que la carga debe estar conectada a una fuente de tensi\u00f3n positiva, con un extremo de la carga conectado al terminal positivo y el otro extremo al cable de se\u00f1al de salida del sensor de proximidad.<\/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-781436f elementor-widget elementor-widget-heading\" data-id=\"781436f\" 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\">Sensores de proximidad PNP vs NPN: Principales diferencias<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-378d1c2 elementor-widget elementor-widget-text-editor\" data-id=\"378d1c2\" 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;\">Las principales diferencias entre los sensores de proximidad PNP y NPN son la corriente, la salida de tensi\u00f3n, la compatibilidad con PLC y la preferencia regional.\u00a0<\/span><\/p><p><span style=\"font-weight: 400;\">En la tabla siguiente figura la comparaci\u00f3n detallada:<\/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-b412e5f eael-dt-th-align-center eael-table-align-center elementor-widget elementor-widget-eael-data-table\" data-id=\"b412e5f\" 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=\"b412e5f\" id=\"eael-data-table-wrapper-b412e5f\" data-custom_responsive=\"false\">\n\t\t\t<table class=\"tablesorter eael-data-table center\" id=\"eael-data-table-b412e5f\">\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\">Factor<\/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\">Sensores PNP<\/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\">Sensores NPN<\/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\tFlujo de corriente\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\t<p><strong><span style=\"color: #000000\">Salida del sensor-&gt;carga-&gt;tierra<\/span><\/strong><\/p>\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\t<p><span style=\"color: #000000\"><b>Polo positivo -&gt; carga -&gt; salida del sensor<\/b><\/span><\/p>\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\tSalida de tensi\u00f3n\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\tConmutaci\u00f3n en el lado alto (+24 V)\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\tConmutaci\u00f3n lado bajo (0V)\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\tCompatibilidad PLC\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\tCoincide con las entradas del PLC\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\tCoincide con las entradas del PLC\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\tPreferencia regional\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\tCom\u00fan en Europa\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\tCom\u00fan en Asia\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-164c911 elementor-widget elementor-widget-heading\" data-id=\"164c911\" 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\">Esquema el\u00e9ctrico de los sensores NPN y PNP<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fccefda elementor-widget elementor-widget-image\" data-id=\"fccefda\" 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=\"768\" height=\"384\" src=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/08\/PNP-and-NPN-sensor-wiring-diagram-768x384.jpg\" class=\"attachment-medium_large size-medium_large wp-image-15497\" alt=\"Esquema el\u00e9ctrico de los sensores PNP y NPN\" srcset=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/08\/PNP-and-NPN-sensor-wiring-diagram-768x384.jpg 768w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/08\/PNP-and-NPN-sensor-wiring-diagram-300x150.jpg 300w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/08\/PNP-and-NPN-sensor-wiring-diagram-600x300.jpg 600w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/08\/PNP-and-NPN-sensor-wiring-diagram-64x32.jpg 64w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/08\/PNP-and-NPN-sensor-wiring-diagram.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-b0a80d9 elementor-widget elementor-widget-text-editor\" data-id=\"b0a80d9\" 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;\">Tengo un truco para recordar los diagramas de cableado de los sensores NPN y PNP de una manera m\u00e1s f\u00e1cil. Puedes ver las letras \"NPN\". Las dos primeras letras \"NP\" pueden anularse entre s\u00ed, dejando s\u00f3lo una letra \"N\", por lo que la salida del sensor NPN es un <\/span><b>N<\/b><span style=\"font-weight: 400;\">egativa. As\u00ed que cuando se alimenta la carga, es necesario proporcionar un terminal positivo para formar un bucle con la salida del sensor NPN.<\/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-f7cc9e2 elementor-widget elementor-widget-video\" data-id=\"f7cc9e2\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;youtube_url&quot;:&quot;https:\\\/\\\/youtu.be\\\/HfSULLLUDWQ?si=U73HgjlJU-ltMnaT&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-a94c177 elementor-widget elementor-widget-text-editor\" data-id=\"a94c177\" 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;\">Por el contrario, las dos primeras letras del sensor PNP se anulan entre s\u00ed, dejando s\u00f3lo una letra \"P\", por lo que la salida del sensor PNP es <\/span><b>P<\/b><span style=\"font-weight: 400;\">ositivo y el otro extremo de la carga debe conectarse a 0V para formar un bucle que controle la carga.<\/span><\/p><p><span style=\"font-weight: 400;\">Puede que mi truco no sea muy cient\u00edfico, pero espero que te ayude a recordar los diagramas de cableado un poco m\u00e1s f\u00e1cilmente.<\/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-c29f196 elementor-widget elementor-widget-heading\" data-id=\"c29f196\" 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\">Gu\u00eda de selecci\u00f3n de sensores de proximidad PNP y NPN<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-32f4826 elementor-widget elementor-widget-text-editor\" data-id=\"32f4826\" 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;\">A la hora de elegir un sensor de proximidad PNP o NPN, hay que tener en cuenta varios factores:<\/span><\/p><ol><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Compruebe el tipo de PLC<\/b><span style=\"font-weight: 400;\">: <\/span><span style=\"font-weight: 400;\">La mayor\u00eda de los sensores de proximidad deben utilizarse con un controlador l\u00f3gico programable (PLC) para lograr fines de control espec\u00edficos. Si las tarjetas de entrada de su PLC s\u00f3lo admiten entradas de transistor NPN, debe utilizar un sensor de proximidad NPN. Por el contrario, si sus tarjetas de entrada de PLC s\u00f3lo admiten entradas de transistor PNP, debe optar por un sensor de proximidad PNP. El uso de un tipo incorrecto de sensor de proximidad puede hacer que el PLC no funcione correctamente.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Consideraci\u00f3n del cableado:<\/b><span style=\"font-weight: 400;\"> Los sistemas NPN suelen compartir una conexi\u00f3n a tierra com\u00fan. Los sistemas PNP suelen compartir una conexi\u00f3n positiva com\u00fan. En sistemas grandes, mantener un enfoque de cableado coherente (todo PNP o todo NPN) puede simplificar la instalaci\u00f3n. Por lo tanto, si su sistema est\u00e1 dise\u00f1ado con cableado PNP, intente utilizar un sensor PNP, y si es un sistema NPN, utilice un sensor NPN.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Inmunidad al ruido<\/b><span style=\"font-weight: 400;\">: Sensores NPN: Generalmente tienen mejor inmunidad al ruido en ambientes el\u00e9ctricamente ruidosos. Sensores PNP: Pueden ser m\u00e1s susceptibles a interferencias el\u00e9ctricas en ciertas aplicaciones.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b style=\"font-style: inherit;\">Consideraci\u00f3n de los costes<\/b><span style=\"font-weight: 400;\">: Consideraciones sobre los costes: Los precios de estos dos tipos de sensores de proximidad son b\u00e1sicamente los mismos, pero debido al inventario del proveedor, el precio de un tipo de sensor puede ser ligeramente m\u00e1s barato. Como uno de los proveedores chinos de sensores, <\/span><strong><span style=\"color: #ff0000;\"><a style=\"font-size: 16px; background-color: #ffffff; color: #ff0000;\" href=\"https:\/\/lorentzzi.com\/es\/\">Lorentzzi<\/a><\/span><\/strong><span style=\"font-weight: 400;\">Los precios de los sensores PNP y NPN no variar\u00e1n debido a las diferencias de existencias. <\/span><b style=\"font-style: inherit;\">Siempre nos hemos comprometido a ofrecer a los clientes productos de sensores rentables<\/b><span style=\"font-weight: 400;\">.<\/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-2d0676c elementor-widget elementor-widget-heading\" data-id=\"2d0676c\" 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\">Conclusi\u00f3n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-53f32b0 elementor-widget elementor-widget-text-editor\" data-id=\"53f32b0\" 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 general, un sensor de proximidad PNP emite una se\u00f1al de alto nivel cuando detecta un objetivo y proporciona alimentaci\u00f3n positiva a la carga, por lo que suele denominarse sensor fuente; mientras que un sensor de proximidad NPN emite una se\u00f1al de bajo nivel cuando detecta un objetivo y conecta la carga a tierra, por lo que es necesario conectar el otro extremo de la carga al polo positivo de la fuente de alimentaci\u00f3n.<\/span><\/p><p><span style=\"font-weight: 400;\">Si tiene m\u00e1s preguntas o necesita un presupuesto para sus necesidades de sensores NPN o PNP, env\u00edenos un correo electr\u00f3nico a <\/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;\"> \u00a1de apoyo!<\/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>Both PNP and NPN proximity sensors are widely used in industrial automation, for example, to detect the position of moving objects, replace contact limit switches, detect the speed of rotating objects, count the object\u2019s numbers, etc.\u00a0 But do you know the difference between them, their wiring diagrams, and how to choose? This article will provide [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":15496,"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":"disabled","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 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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-11514","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>PNP Vs NPN Proximity Sensors: Key Differences, Wiring Diagram And How To Choose<\/title>\n<meta name=\"description\" content=\"This blog will provide you with comprehensive knowledge on the differences for PNP Vs NPN Proximity Sensors, click to check it out now!\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link 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