{"id":225766,"date":"2012-12-02T23:00:00","date_gmt":"2012-12-02T23:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/circuits-de-communications-ethernet-ultra-rapides\/"},"modified":"2012-12-02T23:00:00","modified_gmt":"2012-12-02T23:00:00","slug":"circuits-de-communications-ethernet-ultra-rapides","status":"publish","type":"post","link":"https:\/\/test.ecinews.fr\/fr\/circuits-de-communications-ethernet-ultra-rapides\/","title":{"rendered":"Circuits de communications Ethernet ultra rapides"},"content":{"rendered":"<p>Les syst&egrave;mes de communications Ethernet industriel requi&egrave;rent la prise en charge d&rsquo;un grand nombre de t&acirc;ches, d&rsquo;une synchronisation temps r&eacute;el &agrave; haute vitesse et d&rsquo;une faible consommation d&rsquo;&eacute;nergie. En impl&eacute;mentant en mat&eacute;riel, le traitement du syst&egrave;me d&rsquo;exploitation temps r&eacute;el qui, autrement, impose une charge tr&egrave;s importante au processeur, et les traitements li&eacute;s au protocole de communication Ethernet tels que le calcul de somme de contr&ocirc;le et le tri par en-t&ecirc;te, la vitesse de fonctionnement est accrue de 5 &agrave; 10 fois. La combinaison du processeur et du syst&egrave;me d&rsquo;exploitation temps r&eacute;el mat&eacute;riel HW-RTOS, bas&eacute; sur l&rsquo;architecture ARTESSO de Kernelon Silicon, se traduit par une r&eacute;activit&eacute; ultra rapide. De plus, le probl&egrave;me de fluctuation, induit par des d&eacute;calages fonctionnels lors d&rsquo;un traitement CPU classique, est d&rsquo;une occurrence beaucoup plus faible. Le pilote HW-RTOS est compatible &micro;ITRON et pr&eacute;vu de supporter d&rsquo;autres syst&egrave;mes d&rsquo;exploitation dans l&rsquo;avenir.<br \/>\nLe mod&egrave;le R-IN32M3-CL de la s&eacute;rie supporte le protocole CC-Link IE. Il int&egrave;gre un circuit contr&ocirc;leur esclave prenant en charge CC-Link IE Field, le standard de communication 1 Gbps Ethernet industriel ultrarapide. Il est promu par la CC-Link Partner Association, une organisation japonaise pour les r&eacute;seaux ouverts. Ce composant comprend un contr&ocirc;leur d&rsquo;acc&egrave;s au support MAC 1 Gbps Ethernet. Ainsi les communications 1 Gbps Ethernet peuvent &ecirc;tre r&eacute;alis&eacute;es en ajoutant un module externe 1 Gbps EtherPHY. De son c&ocirc;t&eacute;, la version R-IN32M3-EC dispose d&rsquo;un contr&ocirc;leur esclave qui prend en charge le standard de communication Ethernet industriel EtherCAT. Il int&egrave;gre int&egrave;gre 2 ports 10\/100 Mbps EtherPHY et, de ce fait, aucun composant PHY externe n&rsquo;est n&eacute;cessaire et la carte module est de plus petite taille.<br \/>\nCes deux composants sont dot&eacute;s d&rsquo;un processeur RISC 32 bits ARM Cortex-M3 100 MHz, du p&eacute;riph&eacute;rique de contr&ocirc;le d&rsquo;acc&egrave;s au support MAC avec commutateur &agrave; 2 ports de faible latence selon les sp&eacute;cifications des protocoles Ethernet industriel, et une m&eacute;moire embarqu&eacute;e de grande capacit&eacute;. Le support par logiciel d&rsquo;EtherNet\/IP, FL-net et autres est en voie de finalisation. En plus du support Ethernet industriel, des interfaces de communication telles que CC-Link, CAN, SPI en liaison s&eacute;rie et UART peuvent &ecirc;tre &eacute;galement impl&eacute;ment&eacute;es, permettant &agrave; ces produits d&rsquo;&ecirc;tre utilis&eacute;s comme portail d&rsquo;acc&egrave;s d&rsquo;un r&eacute;seau Ethernet industriel. La prise en charge du standard SSCNET III\/H de r&eacute;seau optique est &eacute;galement planifi&eacute;e. Ce standard bas&eacute; sur des communications totalement synchrones permet d&rsquo;atteindre des performances de tr&egrave;s haut niveau.<\/p>\n<\/p>\n<p><a href=\"http:\/\/www.renesas.eu\/press\/news\/2012\/news20121126_s.jsp\" target=\"_blank\" title=\"www.renesas.eu\/press\/news\/2012\/news20121126_s.jsp\" rel=\"noopener\">www.renesas.eu\/press\/news\/2012\/news20121126_s.jsp<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Afin de r\u00e9pondre \u00e0 l\u2019adoption croissante de la technologie Ethernet industriel, Renesas Electronics propose sa famille de circuits R-IN32M3 qui prend en charge de multiples protocoles de communication. Ces circuits affichent un fonctionnement ultra-rapide en faisant appel \u00e0 une machine mat\u00e9rielle pour les fonctions basiques de syst\u00e8me d\u2019exploitation temps r\u00e9el, ce qui permet d\u2019obtenir une r\u00e9ponse plus dynamique ainsi qu\u2019un contr\u00f4le de haute pr\u00e9cision des communications Ethernet industriel. Cette int\u00e9gration d\u00e9charge le processeur des t\u00e2ches les plus lourdes en traitement.<\/p>\n","protected":false},"author":22,"featured_media":225767,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[881],"tags":[],"domains":[47],"ppma_author":[1149],"class_list":["post-225766","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Circuits de communications Ethernet ultra rapides ...<\/title>\n<meta name=\"description\" content=\"Afin de r\u00e9pondre \u00e0 l\u2019adoption croissante de la technologie Ethernet industriel, Renesas Electronics propose sa famille de circuits R-IN32M3 qui prend en...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/test.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/225766\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Circuits de communications Ethernet ultra rapides\" \/>\n<meta property=\"og:description\" content=\"Afin de r\u00e9pondre \u00e0 l\u2019adoption croissante de la technologie Ethernet industriel, Renesas Electronics propose sa famille de circuits R-IN32M3 qui prend en charge de multiples protocoles de communication. Ces circuits affichent un fonctionnement ultra-rapide en faisant appel \u00e0 une machine mat\u00e9rielle pour les fonctions basiques de syst\u00e8me d\u2019exploitation temps r\u00e9el, ce qui permet d\u2019obtenir une r\u00e9ponse plus dynamique ainsi qu\u2019un contr\u00f4le de haute pr\u00e9cision des communications Ethernet industriel. 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