{"id":20765,"date":"2026-06-06T15:31:29","date_gmt":"2026-06-06T07:31:29","guid":{"rendered":"https:\/\/lorentzzi.com\/?p=20765"},"modified":"2026-06-06T15:32:09","modified_gmt":"2026-06-06T07:32:09","slug":"how-to-wire-a-safety-light-curtain","status":"publish","type":"post","link":"https:\/\/lorentzzi.com\/fr\/how-to-wire-a-safety-light-curtain\/","title":{"rendered":"Comment c\u00e2bler une barri\u00e8re immat\u00e9rielle de s\u00e9curit\u00e9 (2026) ?"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"20765\" class=\"elementor elementor-20765\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-dadbd50 e-flex e-con-boxed e-con e-parent\" data-id=\"dadbd50\" 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-a413599 elementor-widget elementor-widget-text-editor\" data-id=\"a413599\" 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;\">Choisir un prestataire de confiance <\/span><span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"https:\/\/lorentzzi.com\/fr\/top-13-global-safety-light-curtain-manufacturers\/\"><span style=\"font-weight: 400;\">fournisseur de barri\u00e8res immat\u00e9rielles de s\u00e9curit\u00e9<\/span><\/a><\/span><span style=\"font-weight: 400;\"> C'est important, mais savoir comment c\u00e2bler une barri\u00e8re immat\u00e9rielle de s\u00e9curit\u00e9 est une tout autre affaire. C'est pourquoi cet article d\u00e9taillera les m\u00e9thodes de c\u00e2blage des barri\u00e8res immat\u00e9rielles de s\u00e9curit\u00e9.<\/span><\/p><p><span style=\"font-weight: 400;\">Ce tutoriel contient les instructions de c\u00e2blage pour trois types de barri\u00e8res immat\u00e9rielles de s\u00e9curit\u00e9 :<\/span><\/p><ol><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Barri\u00e8re immat\u00e9rielle de s\u00e9curit\u00e9 NPN,<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Barri\u00e8re immat\u00e9rielle de s\u00e9curit\u00e9 PNP,<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Barri\u00e8re immat\u00e9rielle de s\u00e9curit\u00e9 \u00e0 sortie relais.<\/span><\/li><\/ol><p><span style=\"font-weight: 400;\">Bon, commen\u00e7ons.<\/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-658deef elementor-widget elementor-widget-heading\" data-id=\"658deef\" 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\">Sch\u00e9ma de c\u00e2blage d'une barri\u00e8re immat\u00e9rielle de s\u00e9curit\u00e9 NPN<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1f0428e elementor-widget elementor-widget-text-editor\" data-id=\"1f0428e\" 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;\">Tout comme notre <\/span><span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"https:\/\/lorentzzi.com\/fr\/photoelectric-sensor\/\"><span style=\"font-weight: 400;\">capteurs photo\u00e9lectriques<\/span><\/a><\/span><span style=\"font-weight: 400;\"> ou d'autres types de <\/span><span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"https:\/\/lorentzzi.com\/fr\/proximity-sensors\/\"><span style=\"font-weight: 400;\">capteurs de proximit\u00e9<\/span><\/a><\/span><span style=\"font-weight: 400;\">, En outre, les barri\u00e8res immat\u00e9rielles de s\u00e9curit\u00e9 sont g\u00e9n\u00e9ralement \u00e9quip\u00e9es de sorties \u00e0 transistors NPN et PNP, ainsi que de sorties \u00e0 contacts de relais sans tension.<\/span><\/p><p><span style=\"font-weight: 400;\">Avant de vous pr\u00e9senter le sch\u00e9ma de c\u00e2blage d'une barri\u00e8re immat\u00e9rielle de s\u00e9curit\u00e9 \u00e0 sortie NPN, il convient tout d'abord d'en comprendre le principe de fonctionnement.<\/span><\/p><p><span style=\"font-weight: 400;\">Pour des raisons de s\u00e9curit\u00e9, le circuit de sortie d'une barri\u00e8re immat\u00e9rielle de s\u00e9curit\u00e9 est g\u00e9n\u00e9ralement con\u00e7u en mode normalement ferm\u00e9 (NC). Son principe de fonctionnement est donc le suivant :<\/span><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Lorsque le faisceau n'est pas obstru\u00e9 (\u00e9tat normal) : le transistor NPN interne est activ\u00e9 (reste normalement ferm\u00e9) et la borne de sortie (fil noir) est \u00e0 0 V par rapport \u00e0 la masse.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Lorsque le faisceau est bloqu\u00e9 (\u00e9tat d\u00e9clench\u00e9) : le transistor NPN interne est d\u00e9sactiv\u00e9 (le circuit passe de l'\u00e9tat normalement ferm\u00e9 \u00e0 l'\u00e9tat normalement ouvert) et la borne de sortie est d\u00e9connect\u00e9e de 0 V. \u00c0 ce moment-l\u00e0, la sortie est en \u00e9tat flottant. Si une r\u00e9sistance de rappel vers le haut est connect\u00e9e dans le circuit externe (par exemple, connect\u00e9e \u00e0 une entr\u00e9e d'automate programmable), la sortie passe \u00e0 24 V.<\/span><\/li><\/ul><p><span style=\"font-weight: 400;\">Vous trouverez ci-dessous le sch\u00e9ma de c\u00e2blage d'une barri\u00e8re immat\u00e9rielle de s\u00e9curit\u00e9 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-71dff9c elementor-widget elementor-widget-image\" data-id=\"71dff9c\" 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=\"1024\" height=\"512\" src=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/06\/Single-NPN-Output-Safety-Light-Curtain-Wiring-Diagram.jpg\" class=\"attachment-large size-large wp-image-20768\" alt=\"Sch\u00e9ma de c\u00e2blage d&#039;une barri\u00e8re immat\u00e9rielle de s\u00e9curit\u00e9 \u00e0 sortie NPN unique\" srcset=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/06\/Single-NPN-Output-Safety-Light-Curtain-Wiring-Diagram.jpg 1024w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/06\/Single-NPN-Output-Safety-Light-Curtain-Wiring-Diagram-300x150.jpg 300w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/06\/Single-NPN-Output-Safety-Light-Curtain-Wiring-Diagram-768x384.jpg 768w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/06\/Single-NPN-Output-Safety-Light-Curtain-Wiring-Diagram-18x9.jpg 18w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/06\/Single-NPN-Output-Safety-Light-Curtain-Wiring-Diagram-600x300.jpg 600w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/06\/Single-NPN-Output-Safety-Light-Curtain-Wiring-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-8aeac33 elementor-widget elementor-widget-image\" data-id=\"8aeac33\" 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\/06\/Dual-NPN-Outputs-Safety-Light-Curtain-Wiring-Diagram.jpg\" class=\"attachment-large size-large wp-image-20769\" alt=\"\" srcset=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/06\/Dual-NPN-Outputs-Safety-Light-Curtain-Wiring-Diagram.jpg 1024w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/06\/Dual-NPN-Outputs-Safety-Light-Curtain-Wiring-Diagram-300x150.jpg 300w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/06\/Dual-NPN-Outputs-Safety-Light-Curtain-Wiring-Diagram-768x384.jpg 768w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/06\/Dual-NPN-Outputs-Safety-Light-Curtain-Wiring-Diagram-18x9.jpg 18w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/06\/Dual-NPN-Outputs-Safety-Light-Curtain-Wiring-Diagram-600x300.jpg 600w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/06\/Dual-NPN-Outputs-Safety-Light-Curtain-Wiring-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-7601fd8 elementor-widget elementor-widget-heading\" data-id=\"7601fd8\" 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\">Sch\u00e9ma de c\u00e2blage du rideau lumineux de s\u00e9curit\u00e9 PNP<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e5bc37f elementor-widget elementor-widget-text-editor\" data-id=\"e5bc37f\" 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;\">\u00c0 l'inverse, le signal de sortie d'une barri\u00e8re immat\u00e9rielle de s\u00e9curit\u00e9 command\u00e9e par un transistor PNP est totalement diff\u00e9rent de celui d'une barri\u00e8re immat\u00e9rielle de s\u00e9curit\u00e9 command\u00e9e par un transistor NPN.<\/span><\/p><p><span style=\"font-weight: 400;\">Il convient de noter que les m\u00e9thodes de synchronisation des barri\u00e8res immat\u00e9rielles de s\u00e9curit\u00e9 se divisent en deux cat\u00e9gories : la synchronisation optique et la synchronisation par ligne. L'avantage de la synchronisation optique est qu'elle permet de r\u00e9duire le c\u00e2blage, mais son inconv\u00e9nient est qu'elle est facilement perturb\u00e9e par une forte luminosit\u00e9. L'avantage de la synchronisation par ligne est qu'elle est stable et n'est pas affect\u00e9e par une forte luminosit\u00e9, mais le c\u00e2blage est l\u00e9g\u00e8rement plus complexe et n\u00e9cessite des c\u00e2bles suppl\u00e9mentaires.<\/span><\/p><p><span style=\"font-weight: 400;\">Le principe de fonctionnement de la barri\u00e8re immat\u00e9rielle de s\u00e9curit\u00e9 PNP est le suivant :<\/span><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Lorsque le faisceau n'est pas obstru\u00e9 (\u00e9tat normal) : le transistor PNP interne est initialement activ\u00e9 (il reste normalement ferm\u00e9) et la sortie (fil noir) est \u00e0 +24 VCC (niveau haut) par rapport \u00e0 la masse.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Lorsque le faisceau est bloqu\u00e9 (\u00e9tat d\u00e9clench\u00e9) : le transistor PNP interne est initialement d\u00e9sactiv\u00e9 et la borne de sortie est d\u00e9connect\u00e9e de la tension +24 V. \u00c0 ce moment-l\u00e0, la sortie est en \u00e9tat flottant. Si une r\u00e9sistance de rappel vers le bas est connect\u00e9e dans le circuit externe (par exemple, connect\u00e9e \u00e0 une entr\u00e9e d'automate programmable), la sortie passe \u00e0 0 V.<\/span><\/li><\/ul><p><span style=\"font-weight: 400;\">Vous trouverez donc ci-dessous son sch\u00e9ma de c\u00e2blage :<\/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-0c2b0ee elementor-widget elementor-widget-image\" data-id=\"0c2b0ee\" 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\/06\/Single-PNP-Output-Safety-Light-Curtain-Wiring-Diagram.jpg\" class=\"attachment-large size-large wp-image-20770\" alt=\"\" srcset=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/06\/Single-PNP-Output-Safety-Light-Curtain-Wiring-Diagram.jpg 1024w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/06\/Single-PNP-Output-Safety-Light-Curtain-Wiring-Diagram-300x150.jpg 300w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/06\/Single-PNP-Output-Safety-Light-Curtain-Wiring-Diagram-768x384.jpg 768w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/06\/Single-PNP-Output-Safety-Light-Curtain-Wiring-Diagram-18x9.jpg 18w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/06\/Single-PNP-Output-Safety-Light-Curtain-Wiring-Diagram-600x300.jpg 600w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/06\/Single-PNP-Output-Safety-Light-Curtain-Wiring-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-a8f962d elementor-widget elementor-widget-image\" data-id=\"a8f962d\" 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\/06\/Dual-PNP-Outputs-Safety-Light-Curtain-Wiring-Diagram.jpg\" class=\"attachment-large size-large wp-image-20771\" alt=\"Sch\u00e9ma de c\u00e2blage d&#039;une barri\u00e8re immat\u00e9rielle de s\u00e9curit\u00e9 \u00e0 double sortie PNP\" srcset=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/06\/Dual-PNP-Outputs-Safety-Light-Curtain-Wiring-Diagram.jpg 1024w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/06\/Dual-PNP-Outputs-Safety-Light-Curtain-Wiring-Diagram-300x150.jpg 300w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/06\/Dual-PNP-Outputs-Safety-Light-Curtain-Wiring-Diagram-768x384.jpg 768w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/06\/Dual-PNP-Outputs-Safety-Light-Curtain-Wiring-Diagram-18x9.jpg 18w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/06\/Dual-PNP-Outputs-Safety-Light-Curtain-Wiring-Diagram-600x300.jpg 600w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/06\/Dual-PNP-Outputs-Safety-Light-Curtain-Wiring-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-5fa4d22 elementor-widget elementor-widget-heading\" data-id=\"5fa4d22\" 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\">Sch\u00e9ma de c\u00e2blage d'une barri\u00e8re immat\u00e9rielle de s\u00e9curit\u00e9 \u00e0 sortie relais<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-50ef100 elementor-widget elementor-widget-text-editor\" data-id=\"50ef100\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Si la sortie d'une barri\u00e8re immat\u00e9rielle de s\u00e9curit\u00e9 est de type relais, elle fonctionne comme un contact sec. Sans alimentation externe raccord\u00e9e \u00e0 ces sorties relais, elle ne peut qu'ouvrir ou fermer le circuit, mais ne peut pas fournir de tension ou de courant de commande \u00e0 l'unit\u00e9 contr\u00f4l\u00e9e.<\/span><\/p><p><span style=\"font-weight: 400;\">Par cons\u00e9quent, pour qu'une barri\u00e8re immat\u00e9rielle de s\u00e9curit\u00e9 dot\u00e9e d'une sortie relais fonctionne correctement, il est n\u00e9cessaire de connecter une alimentation externe \u00e0 ses bornes de sortie relais.<\/span><\/p><p><span style=\"font-weight: 400;\">Le principe de fonctionnement d'une barri\u00e8re immat\u00e9rielle de s\u00e9curit\u00e9 \u00e0 sortie relais est le suivant :<\/span><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Si le faisceau n'est pas interrompu, le circuit reste ferm\u00e9 et la machine peut fonctionner normalement.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Lorsque le faisceau est obstru\u00e9, ses contacts passent de la position normalement ferm\u00e9e \u00e0 la position normalement ouverte, coupant ainsi l'alimentation externe de la bobine du relais polyvalent ou du contacteur CA, ce qui entra\u00eene l'arr\u00eat du moteur ou des autres actionneurs.<\/span><\/li><\/ul><p><span style=\"font-weight: 400;\">Le sch\u00e9ma de c\u00e2blage de la barri\u00e8re immat\u00e9rielle de s\u00e9curit\u00e9 \u00e0 sortie relais est le suivant :<\/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-a8194c0 elementor-widget elementor-widget-image\" data-id=\"a8194c0\" 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\/06\/Single-Relay-Output-Safety-Light-Curtain-Wiring-Diagram.jpg\" class=\"attachment-large size-large wp-image-20772\" alt=\"\" srcset=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/06\/Single-Relay-Output-Safety-Light-Curtain-Wiring-Diagram.jpg 1024w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/06\/Single-Relay-Output-Safety-Light-Curtain-Wiring-Diagram-300x150.jpg 300w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/06\/Single-Relay-Output-Safety-Light-Curtain-Wiring-Diagram-768x384.jpg 768w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/06\/Single-Relay-Output-Safety-Light-Curtain-Wiring-Diagram-18x9.jpg 18w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/06\/Single-Relay-Output-Safety-Light-Curtain-Wiring-Diagram-600x300.jpg 600w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/06\/Single-Relay-Output-Safety-Light-Curtain-Wiring-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-72fda76 elementor-widget elementor-widget-image\" data-id=\"72fda76\" 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\/06\/Dual-Relay-Outputs-Safety-Light-Curtain-Wiring-Diagram.jpg\" class=\"attachment-large size-large wp-image-20773\" alt=\"Sch\u00e9ma de c\u00e2blage d&#039;une barri\u00e8re immat\u00e9rielle de s\u00e9curit\u00e9 \u00e0 double sortie relais\" srcset=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/06\/Dual-Relay-Outputs-Safety-Light-Curtain-Wiring-Diagram.jpg 1024w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/06\/Dual-Relay-Outputs-Safety-Light-Curtain-Wiring-Diagram-300x150.jpg 300w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/06\/Dual-Relay-Outputs-Safety-Light-Curtain-Wiring-Diagram-768x384.jpg 768w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/06\/Dual-Relay-Outputs-Safety-Light-Curtain-Wiring-Diagram-18x9.jpg 18w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/06\/Dual-Relay-Outputs-Safety-Light-Curtain-Wiring-Diagram-600x300.jpg 600w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/06\/Dual-Relay-Outputs-Safety-Light-Curtain-Wiring-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-15c6114 elementor-widget elementor-widget-heading\" data-id=\"15c6114\" 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\">Puis-je utiliser des relais \u00e0 usage g\u00e9n\u00e9ral (de niveau interm\u00e9diaire) avec la barri\u00e8re immat\u00e9rielle de s\u00e9curit\u00e9 ?\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-842259d elementor-widget elementor-widget-text-editor\" data-id=\"842259d\" 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 <\/span><span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"https:\/\/lorentzzi.com\/fr\/general-purpose-relay-what-is-it-and-how-does-it-work\/\"><span style=\"font-weight: 400;\">relais \u00e0 usage g\u00e9n\u00e9ral (de niveau interm\u00e9diaire)<\/span><\/a><\/span><span style=\"font-weight: 400;\"> Il s'agit d'un dispositif qui utilise un faible signal de commande pour contr\u00f4ler des tensions et des courants \u00e9lev\u00e9s. Ainsi, en reliant la sortie d'une barri\u00e8re immat\u00e9rielle de s\u00e9curit\u00e9 \u00e0 la borne de signal de commande d'un relais polyvalent et en connectant l'\u00e9l\u00e9ment command\u00e9 \u00e0 une petite charge ou \u00e0 la bobine d'un <\/span><span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"https:\/\/lorentzzi.com\/fr\/products\/accessories\/cjx2-contactor\/\"><span style=\"font-weight: 400;\">Contacteur CA<\/span><\/a><\/span><span style=\"font-weight: 400;\">, la machine peut \u00eatre mise en marche et arr\u00eat\u00e9e.<\/span><\/p><p><span style=\"font-weight: 400;\">Par cons\u00e9quent, pour les barri\u00e8res immat\u00e9rielles de s\u00e9curit\u00e9 \u00e0 une ou deux sorties, il est possible d'utiliser un ou deux relais \u00e0 usage g\u00e9n\u00e9ral, mais cette solution est moins s\u00fbre qu'un relais de s\u00e9curit\u00e9 sp\u00e9cifique aux barri\u00e8res immat\u00e9rielles et n'est pas conforme aux normes de s\u00e9curit\u00e9 fonctionnelle (par exemple, <\/span><span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"https:\/\/www.iso.org\/standard\/69883.html\" target=\"_blank\" rel=\"noopener nofollow\"><span style=\"font-weight: 400;\">ISO 13849<\/span><\/a><\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"https:\/\/webstore.iec.ch\/en\/publication\/59927\" target=\"_blank\" rel=\"noopener nofollow\"><span style=\"font-weight: 400;\">IEC 62061<\/span><\/a><\/span><span style=\"font-weight: 400;\">).<\/span><\/p><p><span style=\"font-weight: 400;\">En r\u00e9sum\u00e9, bien qu'un relais \u00e0 usage g\u00e9n\u00e9ral puisse \u00eatre utilis\u00e9 en association avec une barri\u00e8re immat\u00e9rielle de s\u00e9curit\u00e9 pour arr\u00eater la machine et prot\u00e9ger les op\u00e9rateurs, il est <\/span><b>Il est vivement recommand\u00e9 d'utiliser un <\/b><span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"https:\/\/lorentzzi.com\/fr\/products\/proximity-sensor\/safety-light-curtain\/light-curtain-safety-relay-for-dual-output-safety-light-curtain-sensor\/\"><b>relais de s\u00e9curit\u00e9 pour barri\u00e8re immat\u00e9rielle<\/b><\/a><\/span><span style=\"font-weight: 400;\"> afin d'\u00e9viter tout risque potentiel pour le personnel, car cela garantit une plus grande fiabilit\u00e9.<\/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-e1f3bb6 elementor-widget elementor-widget-heading\" data-id=\"e1f3bb6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Conclusion<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9a370ed elementor-widget elementor-widget-text-editor\" data-id=\"9a370ed\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">En r\u00e9sum\u00e9, avant de c\u00e2bler une barri\u00e8re immat\u00e9rielle de s\u00e9curit\u00e9, vous devez d\u00e9terminer son type de sortie : transistor NPN, transistor PNP ou sortie relais, et s'il s'agit d'une <\/span><span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"https:\/\/lorentzzi.com\/fr\/single-output-vs-dual-output-safety-light-curtains-which-is-better\/\"><span style=\"font-weight: 400;\">sortie simple ou double<\/span><\/a><\/span><span style=\"font-weight: 400;\">. Les doubles sorties offrent g\u00e9n\u00e9ralement une redondance et une protection de secours, mais le c\u00e2blage sera un peu plus complexe.<\/span><\/p><p><span style=\"font-weight: 400;\">Si vous avez encore des questions concernant le c\u00e2blage d'une barri\u00e8re immat\u00e9rielle de s\u00e9curit\u00e9, n'h\u00e9sitez pas \u00e0 nous contacter, <\/span><span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"https:\/\/lorentzzi.com\/fr\/\"><span style=\"font-weight: 400;\">Lorentzzi Electric<\/span><\/a><\/span><span style=\"font-weight: 400;\">, pour b\u00e9n\u00e9ficier d'une assistance technique gratuite.<\/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>Choosing a reputable safety light curtain supplier is important, but knowing how to wire the safety light curtain is another matter entirely. Therefore, this article will detail the wiring methods for safety light curtains. This tutorial includes wiring instructions for three types of safety light curtains: NPN safety light curtain, PNP safety light curtain, Relay [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":20766,"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-20765","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sensor"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.5 (Yoast SEO v27.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>How to Wire a Safety Light Curtain (2026)?<\/title>\n<meta name=\"description\" content=\"In this blog post, we will provide you with a detailed wiring diagram for different safety light curtains. Click to learn how to wire them!\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/lorentzzi.com\/fr\/how-to-wire-a-safety-light-curtain\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to Wire a Safety Light Curtain (2026)?\" \/>\n<meta property=\"og:description\" content=\"In this blog post, we will provide you with a detailed wiring diagram for different safety light curtains. Click to learn how to wire them!\" \/>\n<meta property=\"og:url\" content=\"https:\/\/lorentzzi.com\/fr\/how-to-wire-a-safety-light-curtain\/\" \/>\n<meta property=\"og:site_name\" content=\"Lorentzzi Industrial Supply-Chinese Manufacturer&amp;Exporter\" \/>\n<meta property=\"article:published_time\" content=\"2026-06-06T07:31:29+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-06-06T07:32:09+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/06\/Safety-light-curtain-wiring-diagram-blog-cover.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"640\" \/>\n\t<meta property=\"og:image:height\" content=\"640\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Shon\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Shon\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"6 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/lorentzzi.com\\\/how-to-wire-a-safety-light-curtain\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/lorentzzi.com\\\/how-to-wire-a-safety-light-curtain\\\/\"},\"author\":{\"name\":\"Shon\",\"@id\":\"https:\\\/\\\/lorentzzi.com\\\/#\\\/schema\\\/person\\\/f4d29474f9d489167c3db9a85835c8d1\"},\"headline\":\"How to Wire a Safety Light Curtain (2026)?\",\"datePublished\":\"2026-06-06T07:31:29+00:00\",\"dateModified\":\"2026-06-06T07:32:09+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/lorentzzi.com\\\/how-to-wire-a-safety-light-curtain\\\/\"},\"wordCount\":845,\"publisher\":{\"@id\":\"https:\\\/\\\/lorentzzi.com\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/lorentzzi.com\\\/how-to-wire-a-safety-light-curtain\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/lorentzzi.com\\\/wp-content\\\/uploads\\\/2026\\\/06\\\/Safety-light-curtain-wiring-diagram-blog-cover.jpg\",\"articleSection\":[\"Proximity Sensor\"],\"inLanguage\":\"fr-FR\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/lorentzzi.com\\\/how-to-wire-a-safety-light-curtain\\\/\",\"url\":\"https:\\\/\\\/lorentzzi.com\\\/how-to-wire-a-safety-light-curtain\\\/\",\"name\":\"How to Wire a Safety Light Curtain (2026)?\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/lorentzzi.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/lorentzzi.com\\\/how-to-wire-a-safety-light-curtain\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/lorentzzi.com\\\/how-to-wire-a-safety-light-curtain\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/lorentzzi.com\\\/wp-content\\\/uploads\\\/2026\\\/06\\\/Safety-light-curtain-wiring-diagram-blog-cover.jpg\",\"datePublished\":\"2026-06-06T07:31:29+00:00\",\"dateModified\":\"2026-06-06T07:32:09+00:00\",\"description\":\"In this blog post, we will provide you with a detailed wiring diagram for different safety light curtains. 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