{"id":24436,"date":"2022-03-29T08:00:00","date_gmt":"2022-03-29T08:00:00","guid":{"rendered":"https:\/\/knowhow.distrelec.com\/?p=24436"},"modified":"2022-03-29T08:32:07","modified_gmt":"2022-03-29T08:32:07","slug":"solutions-de-puces-lan-ethernet-a-paire-unique-spe","status":"publish","type":"post","link":"https:\/\/knowhow.distrelec.com\/fr\/industrie\/solutions-de-puces-lan-ethernet-a-paire-unique-spe\/","title":{"rendered":"Solutions de puces LAN Ethernet \u00e0 paire unique (SPE)"},"content":{"rendered":"\n<p>Le secteur de la production industrielle a consid\u00e9rablement \u00e9volu\u00e9 au cours des dix derni\u00e8res ann\u00e9es avec l&rsquo;introduction de l&rsquo;industrie 4.0 et de l&rsquo;IIoT. Les usines de fabrication sont de plus en plus d\u00e9pendantes de l&rsquo;automatisation, et l&rsquo;un des d\u00e9veloppements r\u00e9cents est l&rsquo;introduction de la technologie <a href=\"https:\/\/knowhow.distrelec.com\/fr\/telecommunication\/la-technologie-spe-apporte-une-connectivite-ethernet-directe-aux-capteurs-et-actionneurs-dautomatisation-industrielle\/\" target=\"_blank\" rel=\"noreferrer noopener\">Ethernet \u00e0 paire unique<\/a> (SPE). Dans cet article, nous examinons les solutions Ethernet \u00e0 paire unique de Bourns con\u00e7ues pour les applications d&rsquo;automatisation industrielle.<\/p>\n\n\n\n<h2 id=\"quest-ce-que-lethernet-a-paire-unique\" class=\"wp-block-heading\"><strong>Qu&rsquo;est-ce que l&rsquo;Ethernet \u00e0 paire unique ?<\/strong><\/h2>\n\n\n\n<p>L&rsquo;Ethernet \u00e0 paire unique (Single Pair Ethernet &#8211; SPE ) est une nouvelle m\u00e9thode de communication bas\u00e9e sur la technologie Ethernet d\u00e9j\u00e0 existante. Comme son nom l&rsquo;indique, cette technologie utilise une seule paire de fils de cuivre au lieu de la traditionnelle paire torsad\u00e9e \u00e0 quatre paires ou du c\u00e2ble multipaire (MPE). SPE prend \u00e9galement en charge l&rsquo;alimentation par ligne de donn\u00e9es (Power over Data Lines &#8211; PoDL) jusqu&rsquo;\u00e0 50 W, ce qui le rend parfaitement adapt\u00e9 \u00e0 l&rsquo;IIoT et \u00e0 l&rsquo;industrie 4.0.&nbsp;<\/p>\n\n\n\n<p>Cette technologie vise \u00e0 simplifier le processus de communication entre les appareils, \u00e0 obtenir des performances sup\u00e9rieures \u00e0 celles des protocoles Ethernet standard et \u00e0 r\u00e9duire les co\u00fbts. Cette technologie a \u00e9t\u00e9 principalement port\u00e9e par le secteur automobile. Si vous avez lu <a href=\"https:\/\/knowhow.distrelec.com\/fr\/telecommunication\/la-technologie-spe-apporte-une-connectivite-ethernet-directe-aux-capteurs-et-actionneurs-dautomatisation-industrielle\/\" target=\"_blank\" rel=\"noreferrer noopener\">notre article sur la technologie des capteurs dans l&rsquo;industrie automobile<\/a>, vous aurez une id\u00e9e du nombre de capteurs n\u00e9cessaires pour automatiser les voitures modernes et les rendre plus s\u00fbres. Ces capteurs n\u00e9cessitent une \u00e9norme quantit\u00e9 de c\u00e2bles, et les solutions pr\u00e9c\u00e9dentes pr\u00e9sentaient de nombreux probl\u00e8mes.<\/p>\n\n\n\n<h2 id=\"solutions-ethernet-a-paire-unique-de-bourns\" class=\"wp-block-heading\"><strong>Solutions Ethernet \u00e0 paire unique de Bourns&nbsp;<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img  loading=\"lazy\"  decoding=\"async\"  height=\"250\"  width=\"1024\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAABAAAAAD6AQMAAAAFlaesAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAADVJREFUeNrtwQEBAAAAgiD\/r25IQAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAC8G336AAEJ5NTIAAAAAElFTkSuQmCC\"  alt=\"\"  class=\"wp-image-16072 pk-lazyload\"  data-pk-sizes=\"auto\"  data-pk-src=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/02\/2022-02-21-20_10_35-Bourns-Automotive-Template-Adobe-Acrobat-Pro-DC-64-bit-1024x250.png\" ><figcaption>Figure 1 : Sch\u00e9ma de principe de l&rsquo;Ethernet industriel \u00e0 paire unique<\/figcaption><\/figure>\n\n\n\n<p>&nbsp;<\/p>\n\n\n\n<p>La figure 1 pr\u00e9sente le sch\u00e9ma fonctionnel d&rsquo;un r\u00e9seau Ethernet industriel \u00e0 paire unique. Ce sch\u00e9ma comporte certains composants essentiels au fonctionnement du syst\u00e8me SPE :<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Transformateur LAN \u00e0 puce&nbsp;<\/li><li>Bobine en mode commun cot\u00e9 puce&nbsp;<\/li><li>Inductance en mode commun CMS&nbsp;<\/li><li>Diode TVS de protection contre les surtensions&nbsp;<\/li><\/ul>\n\n\n\n<div class=\"wp-block-media-text alignwide is-stacked-on-mobile\" style=\"grid-template-columns:22% auto\"><figure class=\"wp-block-media-text__media\"><img  loading=\"lazy\"  decoding=\"async\"  width=\"114\"  height=\"188\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAHIAAAC8AQMAAACe8Wj6AAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAABpJREFUSMftwQENAAAAwqD3T20ON6AAAIAXAwvAAAFUVclcAAAAAElFTkSuQmCC\"  alt=\"\"  class=\"wp-image-16089 size-full pk-lazyload\"  data-pk-sizes=\"auto\"  data-pk-src=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/02\/2022-02-21-20_33_49-Bourns-Automotive-Template.png\" ><\/figure><div class=\"wp-block-media-text__content\">\n<p style=\"font-size:15px\"><strong>Transformateur LAN \u00e0 puce &#8211; <\/strong>Ce petit transformateur \u00e0 prise m\u00e9diane est enroul\u00e9 sur un noyau cylindrique et termin\u00e9 par une plaque de ferrite pour \u00e9muler le chemin magn\u00e9tique relatif d&rsquo;un noyau toro\u00efdal. La prise m\u00e9diane permet de supprimer le mode commun m\u00eame sans filtre de mode commun suppl\u00e9mentaire. L&rsquo;utilisation d&rsquo;un transformateur blind\u00e9 permet de r\u00e9duire les d\u00e9penses li\u00e9es aux probl\u00e8mes d&rsquo;interf\u00e9rences \u00e9lectromagn\u00e9tiques. Le processus de fabrication de Bourns est enti\u00e8rement automatis\u00e9, ce qui permet une plus grande uniformit\u00e9 des composants et garantit une qualit\u00e9 et une fiabilit\u00e9 constantes. L&rsquo;automatisation du processus de production permet d&rsquo;atteindre une productivit\u00e9 \u00e9lev\u00e9e et une production rentable avec des d\u00e9lais plus courts.<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-buttons is-horizontal is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-499968f5 wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-red-background-color has-background\" href=\"https:\/\/www.distrelec.ch\/en\/lan-smd-transformer-module-bourns\/pf\/1996197\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Parcourir la gamme de transformateurs LAN <\/strong><\/a><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-media-text alignwide has-media-on-the-right is-stacked-on-mobile\" style=\"grid-template-columns:auto 30%\"><figure class=\"wp-block-media-text__media\"><img  loading=\"lazy\"  decoding=\"async\"  width=\"172\"  height=\"169\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAKwAAACpAQMAAACMMkQoAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAABpJREFUSMftwTEBAAAAwqD1T+1vBqAAAACAMw8vAAEUQUhrAAAAAElFTkSuQmCC\"  alt=\"\"  class=\"wp-image-16106 size-full pk-lazyload\"  data-pk-sizes=\"auto\"  data-ls-sizes=\"auto, (max-width: 172px) 100vw, 172px\"  data-pk-src=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/02\/2022-02-21-21_00_03-Bourns-Automotive-Template.png\"  data-pk-srcset=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/02\/2022-02-21-21_00_03-Bourns-Automotive-Template.png 172w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/02\/2022-02-21-21_00_03-Bourns-Automotive-Template.png?resize=80,80 80w\" ><\/figure><div class=\"wp-block-media-text__content\">\n<p style=\"font-size:15px\"><strong>Bobine en mode commun cot\u00e9 puce<\/strong> &#8211; Cette bobine est une petite inductance avec un noyau de ferrite et un enroulement \u00e0 deux fils. Le signal \u00e0 haute vitesse ne provoque pratiquement aucune distorsion. Elle se caract\u00e9rise par une grande efficacit\u00e9 dans la suppression du bruit, une imp\u00e9dance de mode commun \u00e9lev\u00e9e dans la bande de bruit et une faible imp\u00e9dance de mode diff\u00e9rentiel dans la bande de signal, une faible imp\u00e9dance de mode diff\u00e9rentiel.<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-buttons is-horizontal is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-499968f5 wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-red-background-color has-background\" href=\"https:\/\/www.distrelec.ch\/en\/common-mode-chokes-smd-srf3216\/pf\/648758\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Parcourir la gamme de bobines en mode commun<\/strong><\/a><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-media-text alignwide is-stacked-on-mobile\" style=\"grid-template-columns:21% auto\"><figure class=\"wp-block-media-text__media\"><img  loading=\"lazy\"  decoding=\"async\"  width=\"134\"  height=\"145\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAIYAAACRAQMAAAA8ZFLxAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAABlJREFUSMftwYEAAAAAw6D5U9\/gBFUBAMAzCjIAAeSXQKAAAAAASUVORK5CYII=\"  alt=\"\"  class=\"wp-image-16123 size-full pk-lazyload\"  data-pk-sizes=\"auto\"  data-pk-src=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/02\/2022-02-21-20_59_46-Bourns-Automotive-Template.png\" ><\/figure><div class=\"wp-block-media-text__content\">\n<p style=\"font-size:15px\"><strong>Bobine en mode commun cot\u00e9 ligne<\/strong>\u202f- Dans une bobine en mode commun, le mat\u00e9riau du noyau maintient les enroulements ensemble. En revanche, une bobine simple ou une inductance \u00e0 enroulement unique ne comporte qu&rsquo;un seul enroulement sur un seul noyau. Le diagramme montre la diff\u00e9rence d&rsquo;imp\u00e9dance en mode commun. Une bobine de mode commun permet de filtrer le bruit de mode commun ind\u00e9sirable. Du point de vue des applications de communication ou de signal, il est souhaitable que la bobine de mode commun ne supprime pas le bruit diff\u00e9rentiel.<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-media-text alignwide has-media-on-the-right is-stacked-on-mobile\"><figure class=\"wp-block-media-text__media\"><img  loading=\"lazy\"  decoding=\"async\"  width=\"347\"  height=\"184\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAVsAAAC4AQMAAAB3pt02AAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAB9JREFUaN7twYEAAAAAw6D5U1\/gCFUBAAAAAAAAAHwDIFgAAdoKcKgAAAAASUVORK5CYII=\"  alt=\"\"  class=\"wp-image-16140 size-full pk-lazyload\"  data-pk-sizes=\"auto\"  data-ls-sizes=\"auto, (max-width: 347px) 100vw, 347px\"  data-pk-src=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/02\/2022-02-22-09_46_36-Bourns-Automotive-Template.png\"  data-pk-srcset=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/02\/2022-02-22-09_46_36-Bourns-Automotive-Template.png 347w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/02\/2022-02-22-09_46_36-Bourns-Automotive-Template.png?resize=300,159 300w\" ><\/figure><div class=\"wp-block-media-text__content\">\n<p style=\"font-size:15px\"><strong>Bobine double en mode diff\u00e9rentiel<\/strong> &#8211; La bobine en mode diff\u00e9rentiel est utilis\u00e9e pour filtrer le bruit \u00e9lectrique qui se produit sur chacune des deux lignes (haute et basse) d&rsquo;une boucle ferm\u00e9e dans laquelle le courant circule en sens inverse. Des bobines d&rsquo;induction fonctionnant en mode diff\u00e9rentiel, une sur chaque ligne haute et basse, sont parfois utilis\u00e9es.&nbsp;D\u00e9couvrez les <a href=\"https:\/\/www.distrelec.ch\/en\/common-mode-choke-100uh-78a-171mohm-bourns-srf1260-101m\/p\/30144086\" target=\"_blank\" rel=\"noreferrer noopener\">bobines en mode commun<\/a> de Bourns.<\/p>\n<\/div><\/div>\n\n\n\n<p><strong>Diodes TVS \u2013 <\/strong>Ces diodes prot\u00e8gent le circuit contre toute d\u00e9charge \u00e9lectrostatique soudaine (ESD). Ils sont un \u00e9l\u00e9ment essentiel pour tout syst\u00e8me \u00e9lectrique sensible \u00e0 ce type d&rsquo;interf\u00e9rence, notamment dans les syst\u00e8mes de communication tels que le SPE.&nbsp;D\u00e9couvrez les <a href=\"https:\/\/www.distrelec.ch\/en\/esd-protection-diode-5v-dfn-bourns-cddfn10-2574n\/p\/30194451\" target=\"_blank\" rel=\"noreferrer noopener\">diodes ESD de Bournes<\/a><\/p>\n\n\n\n<h2 id=\"bourns-est-un-leader-en-matiere-de-qualite\" class=\"wp-block-heading\"><strong>Bourns est un leader en mati\u00e8re de qualit\u00e9<\/strong><\/h2>\n\n\n\n<p>Bourns est l&rsquo;un des nombreux fabricants de composants pour les r\u00e9seaux Ethernet \u00e0 paire unique dans les applications industrielles telles que l&rsquo;automobile. Leurs composants sont conformes aux normes Ethernet IEEE802.3 et IEC 63171 et garantissent une qualit\u00e9 et une robustesse maximales des protocoles Ethernet \u00e0 paire unique. L&rsquo;utilisation d&rsquo;un seul protocole de r\u00e9seau simplifie consid\u00e9rablement les complexit\u00e9s de l&rsquo;infrastructure de r\u00e9seau tout en r\u00e9duisant les co\u00fbts globaux.&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"Le secteur de la production industrielle a consid\u00e9rablement \u00e9volu\u00e9 au cours des dix derni\u00e8res ann\u00e9es avec l&rsquo;introduction de&hellip;\n","protected":false},"author":4,"featured_media":16157,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"csco_singular_sidebar":"","csco_page_header_type":"","csco_appearance_grid":"","csco_page_load_nextpost":"","csco_post_video_location":[],"csco_post_video_location_hash":"","csco_post_video_url":"","csco_post_video_bg_start_time":0,"csco_post_video_bg_end_time":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[185,189],"tags":[],"coauthors":[],"class_list":{"0":"post-24436","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-industrie","8":"category-telecommunication","9":"cs-entry","10":"cs-video-wrap"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.4 - 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