{"id":19947,"date":"2026-03-08T18:08:19","date_gmt":"2026-03-08T10:08:19","guid":{"rendered":"https:\/\/lorentzzi.com\/?p=19947"},"modified":"2026-03-17T18:02:46","modified_gmt":"2026-03-17T10:02:46","slug":"3-methods-to-identify-and-check-pnp-and-npn-sensor","status":"publish","type":"post","link":"https:\/\/lorentzzi.com\/pl\/3-methods-to-identify-and-check-pnp-and-npn-sensor\/","title":{"rendered":"3 Metody identyfikacji i sprawdzania czujnik\u00f3w PNP i NPN"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"19947\" class=\"elementor elementor-19947\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-aebaa6c e-flex e-con-boxed e-con e-parent\" data-id=\"aebaa6c\" 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-308d7f6 elementor-widget elementor-widget-text-editor\" data-id=\"308d7f6\" 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;\">Czy kiedykolwiek spotka\u0142e\u015b si\u0119 z tym problemem?<\/span><\/p><p><span style=\"font-weight: 400;\">Tw\u00f3j <\/span><span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"https:\/\/lorentzzi.com\/pl\/proximity-sensors\/\"><span style=\"font-weight: 400;\">czujnik zbli\u017ceniowy<\/span><\/a><\/span><span style=\"font-weight: 400;\"> by\u0142 u\u017cywany przez d\u0142ugi czas, jego etykieta uleg\u0142a zu\u017cyciu i przesta\u0142 dzia\u0142a\u0107. Chcesz go wymieni\u0107, ale nie masz pewno\u015bci, czy wybra\u0107 typ wyj\u015bcia NPN czy PNP.<\/span><\/p><p><span style=\"font-weight: 400;\">Jak wi\u0119c zidentyfikowa\u0107, czy czujnik jest typu NPN czy PNP?<\/span><\/p><p><span style=\"font-weight: 400;\">Jest to proste dla do\u015bwiadczonych technik\u00f3w, ale mo\u017ce stanowi\u0107 wyzwanie dla pocz\u0105tkuj\u0105cych.<\/span><\/p><p><span style=\"font-weight: 400;\">Dlatego w tym po\u015bcie podzielimy si\u0119 3 praktycznymi metodami okre\u015blania typu wyj\u015bcia czujnika:<\/span><\/p><ol><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Identyfikacja na podstawie tabliczki znamionowej,<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Sprawd\u017a za pomoc\u0105 multimetru,<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Sprawd\u017a za pomoc\u0105 dedykowanego testera czujnik\u00f3w.<\/span><\/li><\/ol><p><span style=\"font-weight: 400;\">Przejd\u017amy przez szczeg\u00f3\u0142owe kroki!<\/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-6f906f4 elementor-widget elementor-widget-heading\" data-id=\"6f906f4\" 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\">Zrozumienie czujnika PNP NPN<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8967bc2 eael-product-grid-column-4 elementor-widget elementor-widget-eicon-woocommerce\" data-id=\"8967bc2\" 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=\"8967bc2\" data-page-id=\"19947\" data-nonce=\"024d9859c3\" >\n            <div class=\"woocommerce\">\n                <ul class=\"products eael-post-appender eael-post-appender-8967bc2\" 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\/pl\/products\/proximity-sensor\/inductive-proximity-sensor\/sn04-p-inductive-proximity-sensor\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><img fetchpriority=\"high\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/12\/SN04-P-Inductiv-Proximity-Sensor-2-300x300.jpg\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail wvs-archive-product-image\" alt=\"SN04-P Indukcyjny czujnik zbli\u017ceniowy\" loading=\"eager\" srcset=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/12\/SN04-P-Inductiv-Proximity-Sensor-2-300x300.jpg 300w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/12\/SN04-P-Inductiv-Proximity-Sensor-2-150x150.jpg 150w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/12\/SN04-P-Inductiv-Proximity-Sensor-2-12x12.jpg 12w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/12\/SN04-P-Inductiv-Proximity-Sensor-2-600x600.jpg 600w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/12\/SN04-P-Inductiv-Proximity-Sensor-2-100x100.jpg 100w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/12\/SN04-P-Inductiv-Proximity-Sensor-2-64x64.jpg 64w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/12\/SN04-P-Inductiv-Proximity-Sensor-2.jpg 640w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><div class=\"eael-product-title\">\n    <a href=\"https:\/\/lorentzzi.com\/pl\/products\/proximity-sensor\/inductive-proximity-sensor\/sn04-p-inductive-proximity-sensor\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><h3 class=\"woocommerce-loop-product__title\">SN04-P Indukcyjny czujnik zbli\u017ceniowy<\/h3><\/a>\n    <\/div>    <a href=\"https:\/\/lorentzzi.com\/pl\/products\/proximity-sensor\/inductive-proximity-sensor\/sn04-p-inductive-proximity-sensor\/\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_19569\" data-quantity=\"1\" class=\"button product_type_simple\" data-product_id=\"19569\" data-product_sku=\"\" aria-label=\"Przeczytaj wi\u0119cej o \u201cSN04-P Inductive Proximity Sensor\u201d\" rel=\"nofollow\" data-success_message=\"\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\">Czytaj wi\u0119cej<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_19569\" 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\/pl\/products\/proximity-sensor\/photoelectric-sensor\/g30-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\/G30-photoeletrical-sensor-1-300x300.jpg\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail wvs-archive-product-image\" alt=\"Czujnik fotoelektryczny Lorentzzi M30 o rozmiarze gwintu G30\" loading=\"eager\" srcset=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/04\/G30-photoeletrical-sensor-1-300x300.jpg 300w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/04\/G30-photoeletrical-sensor-1-150x150.jpg 150w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/04\/G30-photoeletrical-sensor-1-600x600.jpg 600w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/04\/G30-photoeletrical-sensor-1-100x100.jpg 100w, 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data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\">Czytaj wi\u0119cej<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_7707\" 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\/pl\/products\/proximity-sensor\/inductive-proximity-sensor\/sn04-n-inductive-proximity-sensor\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><img decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/03\/SN04-N-Inductive-Proximity-Sensor-1-300x300.jpg\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail wvs-archive-product-image\" alt=\"Indukcyjny czujnik zbli\u017ceniowy SN04-N\" loading=\"eager\" srcset=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/03\/SN04-N-Inductive-Proximity-Sensor-1-300x300.jpg 300w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/03\/SN04-N-Inductive-Proximity-Sensor-1-150x150.jpg 150w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/03\/SN04-N-Inductive-Proximity-Sensor-1-600x600.jpg 600w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/03\/SN04-N-Inductive-Proximity-Sensor-1-100x100.jpg 100w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/03\/SN04-N-Inductive-Proximity-Sensor-1-64x64.jpg 64w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/03\/SN04-N-Inductive-Proximity-Sensor-1.jpg 640w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><div class=\"eael-product-title\">\n    <a href=\"https:\/\/lorentzzi.com\/pl\/products\/proximity-sensor\/inductive-proximity-sensor\/sn04-n-inductive-proximity-sensor\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><h3 class=\"woocommerce-loop-product__title\">Indukcyjny czujnik zbli\u017ceniowy SN04-N<\/h3><\/a>\n    <\/div>    <a href=\"https:\/\/lorentzzi.com\/pl\/products\/proximity-sensor\/inductive-proximity-sensor\/sn04-n-inductive-proximity-sensor\/\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_7211\" data-quantity=\"1\" class=\"button product_type_simple\" data-product_id=\"7211\" data-product_sku=\"\" aria-label=\"Przeczytaj wi\u0119cej o \u201cSN04-N Inductive Proximity Sensor\u201d\" rel=\"nofollow\" data-success_message=\"\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\">Czytaj wi\u0119cej<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_7211\" 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\/pl\/products\/proximity-sensor\/inductive-proximity-sensor\/m30-proximity-sensor-30mm-diameter-inductive-proximity-sensor\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><img decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/02\/LM30-2-300x300.jpg\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail wvs-archive-product-image\" alt=\"Czujnik zbli\u017ceniowy M30 foto-1\" loading=\"eager\" srcset=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/02\/LM30-2-300x300.jpg 300w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/02\/LM30-2-150x150.jpg 150w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/02\/LM30-2-600x600.jpg 600w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/02\/LM30-2-100x100.jpg 100w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/02\/LM30-2-64x64.jpg 64w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/02\/LM30-2.jpg 640w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><div class=\"eael-product-title\">\n    <a href=\"https:\/\/lorentzzi.com\/pl\/products\/proximity-sensor\/inductive-proximity-sensor\/m30-proximity-sensor-30mm-diameter-inductive-proximity-sensor\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><h3 class=\"woocommerce-loop-product__title\">Czujnik zbli\u017ceniowy M30, indukcyjny czujnik zbli\u017ceniowy o \u015brednicy 30 mm<\/h3><\/a>\n    <\/div>    <a href=\"https:\/\/lorentzzi.com\/pl\/products\/proximity-sensor\/inductive-proximity-sensor\/m30-proximity-sensor-30mm-diameter-inductive-proximity-sensor\/\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_6968\" data-quantity=\"1\" class=\"button product_type_simple\" data-product_id=\"6968\" data-product_sku=\"\" aria-label=\"Przeczytaj wi\u0119cej o \u201cM30 Proximity Sensor, 30mm Diameter Inductive Proximity Sensor\u201d\" rel=\"nofollow\" data-success_message=\"\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\">Czytaj wi\u0119cej<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_6968\" 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-8967bc2\");\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                    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height=\"512\" src=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/03\/NPN-and-PNP-sensors-common-electrode-connection.jpg\" class=\"attachment-large size-large wp-image-19943\" alt=\"Pod\u0142\u0105czenie czujnik\u00f3w NPN i PNP do wsp\u00f3lnej elektrody\" srcset=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/03\/NPN-and-PNP-sensors-common-electrode-connection.jpg 1024w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/03\/NPN-and-PNP-sensors-common-electrode-connection-300x150.jpg 300w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/03\/NPN-and-PNP-sensors-common-electrode-connection-768x384.jpg 768w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/03\/NPN-and-PNP-sensors-common-electrode-connection-18x9.jpg 18w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/03\/NPN-and-PNP-sensors-common-electrode-connection-600x300.jpg 600w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/03\/NPN-and-PNP-sensors-common-electrode-connection-64x32.jpg 64w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1fe469c elementor-widget elementor-widget-text-editor\" data-id=\"1fe469c\" 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><b>Czujniki NPN<\/b><span style=\"font-weight: 400;\">: Czujniki NPN s\u0105 szeroko stosowane w krajach azjatyckich, takich jak Chiny i Japonia. Zazwyczaj kontroluj\u0105 one ujemny zacisk (0V) zasilania. Na przyk\u0142ad czujnik NPN normalnie otwarty (NO) wysy\u0142a sygna\u0142 niskiego poziomu, gdy wykryje obiekt.<\/span><\/p><p><b>Czujniki PNP<\/b><span style=\"font-weight: 400;\">: W przeciwie\u0144stwie do czujnik\u00f3w NPN, czujniki PNP maj\u0105 wi\u0119kszo\u015b\u0107 udzia\u0142u w rynku w Europie i Stanach Zjednoczonych. Zazwyczaj kontroluj\u0105 one dodatni zacisk (VCC) zasilacza. Podobnie, czujnik PNP normalnie otwarty (NO) wysy\u0142a sygna\u0142 wysokiego poziomu, gdy wykryje obiekt.<\/span><\/p><p><span style=\"font-weight: 400;\">Wskaz\u00f3wki: Aby dowiedzie\u0107 si\u0119 wi\u0119cej o r\u00f3\u017cnicach mi\u0119dzy czujnikami NPN i PNP, przeczytaj nasz artyku\u0142: <\/span><span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"https:\/\/lorentzzi.com\/pl\/pnp-vs-npn-proximity-sensors-key-differences-wiring-diagram-and-how-to-choose\/\"><span style=\"font-weight: 400;\">Czujniki zbli\u017ceniowe PNP i NPN: Kluczowe r\u00f3\u017cnice, schemat po\u0142\u0105cze\u0144 i spos\u00f3b wyboru<\/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-84b09c8 elementor-widget elementor-widget-heading\" data-id=\"84b09c8\" 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\">Metoda 1: Sprawd\u017a tabliczk\u0119 znamionow\u0105 i schemat obwodu<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-36239b0 elementor-widget elementor-widget-image\" data-id=\"36239b0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1024\" height=\"512\" src=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/03\/Distinguishing-between-PNP-and-NPN-sensors-by-their-nameplates.jpg\" class=\"attachment-large size-large wp-image-19944\" alt=\"Rozr\u00f3\u017cnianie czujnik\u00f3w PNP i NPN na podstawie ich tabliczek znamionowych\" srcset=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/03\/Distinguishing-between-PNP-and-NPN-sensors-by-their-nameplates.jpg 1024w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/03\/Distinguishing-between-PNP-and-NPN-sensors-by-their-nameplates-300x150.jpg 300w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/03\/Distinguishing-between-PNP-and-NPN-sensors-by-their-nameplates-768x384.jpg 768w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/03\/Distinguishing-between-PNP-and-NPN-sensors-by-their-nameplates-18x9.jpg 18w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/03\/Distinguishing-between-PNP-and-NPN-sensors-by-their-nameplates-600x300.jpg 600w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/03\/Distinguishing-between-PNP-and-NPN-sensors-by-their-nameplates-64x32.jpg 64w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3df7680 elementor-widget elementor-widget-text-editor\" data-id=\"3df7680\" 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;\">Najprostszym sposobem okre\u015blenia, czy czujnik jest typu NPN czy PNP, jest sprawdzenie jego tabliczki znamionowej. Br\u0105zowy przew\u00f3d (BN) musi by\u0107 pod\u0142\u0105czony do dodatniego zacisku zasilania, a niebieski przew\u00f3d (BU) musi by\u0107 pod\u0142\u0105czony do ujemnego zacisku. Pod tym wzgl\u0119dem nie ma r\u00f3\u017cnicy mi\u0119dzy czujnikami typu NPN i PNP.<\/span><\/p><p><span style=\"font-weight: 400;\">R\u00f3\u017cnica polega na ich przewodach sygna\u0142owych (BK, czarny przew\u00f3d).<\/span><\/p><p><span style=\"font-weight: 400;\">Jak pokazano po prawej stronie powy\u017cszego schematu, przew\u00f3d sygna\u0142owy czujnika typu PNP musi by\u0107 pod\u0142\u0105czony do zacisku ujemnego (BU, niebieski przew\u00f3d), aby utworzy\u0107 pe\u0142ny obw\u00f3d zamkni\u0119ty.<\/span><\/p><p><span style=\"font-weight: 400;\">I odwrotnie, przew\u00f3d sygna\u0142owy czujnika typu NPN musi by\u0107 pod\u0142\u0105czony do zacisku dodatniego, aby utworzy\u0107 pe\u0142ny obw\u00f3d zamkni\u0119ty.<\/span><\/p><p><span style=\"font-weight: 400;\">Dlatego w por\u00f3wnaniu do schemat\u00f3w okablowania czujnik\u00f3w typu PNP i NPN po prawej stronie, czujnik po lewej stronie schematu jest czujnikiem wyj\u015bciowym typu PNP.<\/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-f4514b7 elementor-widget elementor-widget-heading\" data-id=\"f4514b7\" 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\">Metoda 2: Pomiar napi\u0119cia multimetrem (najbardziej zalecana)<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a4a1a7e elementor-widget elementor-widget-text-editor\" data-id=\"a4a1a7e\" 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;\">Dla in\u017cynier\u00f3w elektryk\u00f3w multimetr jest najcz\u0119\u015bciej u\u017cywanym narz\u0119dziem testowym. Czy mo\u017cemy wi\u0119c u\u017cy\u0107 go do przetestowania typu czujnika? Odpowied\u017a brzmi: tak. Poni\u017cej znajduje si\u0119 przewodnik, jak u\u017cywa\u0107 multimetru do okre\u015blenia, czy czujnik jest typu NPN czy PNP.<\/span><\/p><p><span style=\"font-weight: 400;\">Najpierw przygotuj nast\u0119puj\u0105ce materia\u0142y: <span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"https:\/\/cntnmcb.com\/residual-current-circuit-breaker-with-overcurrent-protection\/\" target=\"_blank\" rel=\"noopener\">AC RCBO<\/a><\/span>, zasilacz impulsowy 24 V DC, testowany czujnik i multimetr.<\/span><\/p><p><span style=\"font-weight: 400;\">Kroki obs\u0142ugi s\u0105 nast\u0119puj\u0105ce:<\/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-0786356 elementor-widget elementor-widget-image\" data-id=\"0786356\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1024\" height=\"512\" src=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/03\/Use-multimeter-to-identify-the-sensor-is-PNP-or-NPN-wring-diagram.jpg\" class=\"attachment-large size-large wp-image-19945\" alt=\"U\u017cywanie multimetru do identyfikacji czujnika jako PNP lub NPN schemat po\u0142\u0105cze\u0144\" srcset=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/03\/Use-multimeter-to-identify-the-sensor-is-PNP-or-NPN-wring-diagram.jpg 1024w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/03\/Use-multimeter-to-identify-the-sensor-is-PNP-or-NPN-wring-diagram-300x150.jpg 300w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/03\/Use-multimeter-to-identify-the-sensor-is-PNP-or-NPN-wring-diagram-768x384.jpg 768w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/03\/Use-multimeter-to-identify-the-sensor-is-PNP-or-NPN-wring-diagram-18x9.jpg 18w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/03\/Use-multimeter-to-identify-the-sensor-is-PNP-or-NPN-wring-diagram-600x300.jpg 600w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/03\/Use-multimeter-to-identify-the-sensor-is-PNP-or-NPN-wring-diagram-64x32.jpg 64w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5edb142 elementor-widget elementor-widget-text-editor\" data-id=\"5edb142\" 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;\">Pod\u0142\u0105cz zasilanie AC do zacisku wej\u015bciowego zasilacza impulsowego przez z\u0142\u0105cze <span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"https:\/\/cntnmcb.com\/residual-current-circuit-breaker-with-overcurrent-protection\/\" target=\"_blank\" rel=\"noopener\">RCBO (wy\u0142\u0105cznik r\u00f3\u017cnicowopr\u0105dowy z zabezpieczeniem przed przeci\u0105\u017ceniem)<\/a><\/span> (Uwaga: RCBO powinien by\u0107 w tym momencie w stanie otwartym; nie pod\u0142\u0105czaj zasilania).<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Pod\u0142\u0105cz przew\u00f3d zasilaj\u0105cy czujnika do zasilacza impulsowego: pod\u0142\u0105cz br\u0105zowy przew\u00f3d do dodatniego zacisku (+24 V) zasilacza impulsowego, a niebieski przew\u00f3d do ujemnego zacisku (0 V).<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ustaw multimetr na zakres napi\u0119cia sta\u0142ego (DCV). Pod\u0142\u0105cz czerwon\u0105 sond\u0119 do dodatniego zacisku (+24 V) zasilacza impulsowego, a czarn\u0105 sond\u0119 do czarnego przewodu sygna\u0142owego (przewodu wyj\u015bciowego) czujnika.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Zamknij z\u0142\u0105cze RCBO, aby dostarczy\u0107 zasilanie do czujnika. Nast\u0119pnie zbli\u017c mierzony obiekt do powierzchni detekcji czujnika, aby aktywowa\u0107 czujnik i jednocze\u015bnie obserwuj warto\u015b\u0107 napi\u0119cia wy\u015bwietlan\u0105 na multimetrze.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Metoda oceny:<\/span><\/li><\/ol><p><span style=\"font-weight: 400;\">Je\u015bli multimetr wskazuje oko\u0142o 24 V (tj. napi\u0119cie zasilania), czujnik jest typu NPN (poniewa\u017c typ NPN generuje niski poziom, czarny przew\u00f3d przewodzi do masy, wi\u0119c napi\u0119cie mi\u0119dzy dodatnim zaciskiem a czarnym przewodem wynosi 24 V);<\/span><\/p><p><span style=\"font-weight: 400;\">Je\u015bli multimetr wskazuje warto\u015b\u0107 blisk\u0105 0V, czujnik jest typu PNP (poniewa\u017c typ PNP generuje wysoki poziom, czarny przew\u00f3d przewodzi do dodatniego zacisku, wi\u0119c napi\u0119cie mi\u0119dzy dodatnim zaciskiem a czarnym przewodem wynosi 0V).<\/span><\/p><p><span style=\"font-weight: 400;\">Uwaga: Podczas pracy nale\u017cy zapewni\u0107 prawid\u0142owe okablowanie, aby unikn\u0105\u0107 zwar\u0107. Czujnik musi by\u0107 w stanie roboczym podczas pomiaru i nale\u017cy podj\u0105\u0107 \u015brodki ostro\u017cno\u015bci.<\/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-9f6ed7b elementor-widget elementor-widget-heading\" data-id=\"9f6ed7b\" 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\">Metoda 3: Korzystanie z testera czujnik\u00f3w PNP\/NPN<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b70e30a elementor-widget elementor-widget-image\" data-id=\"b70e30a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"512\" src=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/03\/Using-sensor-tester-to-confirm-the-PNP-or-NPN-sensor.jpg\" class=\"attachment-large size-large wp-image-19942\" alt=\"U\u017cycie testera czujnik\u00f3w do potwierdzenia czujnika PNP lub NPN\" srcset=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/03\/Using-sensor-tester-to-confirm-the-PNP-or-NPN-sensor.jpg 1024w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/03\/Using-sensor-tester-to-confirm-the-PNP-or-NPN-sensor-300x150.jpg 300w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/03\/Using-sensor-tester-to-confirm-the-PNP-or-NPN-sensor-768x384.jpg 768w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/03\/Using-sensor-tester-to-confirm-the-PNP-or-NPN-sensor-18x9.jpg 18w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/03\/Using-sensor-tester-to-confirm-the-PNP-or-NPN-sensor-600x300.jpg 600w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/03\/Using-sensor-tester-to-confirm-the-PNP-or-NPN-sensor-64x32.jpg 64w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a597db5 elementor-widget elementor-widget-text-editor\" data-id=\"a597db5\" 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;\">Je\u015bli masz wystarczaj\u0105cy bud\u017cet i cz\u0119sto musisz rozr\u00f3\u017cnia\u0107 typy czujnik\u00f3w, tester czujnik\u00f3w pokazany na powy\u017cszym obrazku jest lepszym wyborem. Jest on szybszy i prostszy ni\u017c multimetr.<\/span><\/p><p><span style=\"font-weight: 400;\">Poni\u017cej wyja\u015bnimy, jak korzysta\u0107 z tego testera czujnik\u00f3w.<\/span><\/p><p><span style=\"font-weight: 400;\">Jest bardzo prosty w u\u017cyciu. Wystarczy pod\u0142\u0105czy\u0107 br\u0105zowy przew\u00f3d czujnika do dodatniego zacisku testera, niebieski przew\u00f3d do ujemnego zacisku, a przew\u00f3d sygna\u0142owy czujnika do zacisku wyj\u015bciowego. Po pod\u0142\u0105czeniu przewod\u00f3w w\u0142\u0105cz tester, a automatycznie zidentyfikuje on typ czujnika: je\u015bli jest to typ PNP, za\u015bwieci si\u0119 \u017c\u00f3\u0142ta kontrolka PNP; je\u015bli jest to typ NPN, za\u015bwieci si\u0119 kontrolka 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-a8fa3d1 elementor-widget elementor-widget-heading\" data-id=\"a8fa3d1\" 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\">Wnioski<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a93e961 elementor-widget elementor-widget-text-editor\" data-id=\"a93e961\" 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;\">Kr\u00f3tko m\u00f3wi\u0105c, mo\u017cna okre\u015bli\u0107, czy czujnik jest typu NPN czy PNP, czytaj\u0105c tabliczk\u0119 znamionow\u0105 czujnika i schemat okablowania oraz u\u017cywaj\u0105c multimetru lub testera czujnik\u00f3w PNP\/NPN.<\/span><\/p><p><span style=\"font-weight: 400;\">Je\u015bli nadal masz pytania dotycz\u0105ce r\u00f3\u017cnicowania czujnik\u00f3w lub potrzebujesz pomocy technicznej, <\/span><span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"https:\/\/lorentzzi.com\/pl\/\"><span style=\"font-weight: 400;\">Lorentzzi Electric<\/span><\/a><\/span><span style=\"font-weight: 400;\"> oferuje bezp\u0142atne konsultacje. Mo\u017cesz skontaktowa\u0107 si\u0119 z nami wysy\u0142aj\u0105c e-mail <\/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;\">, a nasz personel odpowie w ci\u0105gu 24 godzin.<\/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>Have you ever encountered this problem? Your proximity sensor has been in use for a long time, its label has worn off, and it has stopped working. You want to replace it, but you\u2019re not sure whether to choose an NPN or PNP output type. So how can you identify whether your sensor is NPN [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":19946,"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 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