{"id":231500,"date":"2014-11-16T23:00:00","date_gmt":"2014-11-16T23:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/microcontroleurs-industriels-a-section-analogique-intelligente-integree\/"},"modified":"2014-11-16T23:00:00","modified_gmt":"2014-11-16T23:00:00","slug":"microcontroleurs-industriels-a-section-analogique-intelligente-integree","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/microcontroleurs-industriels-a-section-analogique-intelligente-integree\/","title":{"rendered":"Microcontr\u00f4leurs industriels \u00e0 section analogique intelligente int\u00e9gr\u00e9e"},"content":{"rendered":"<p>Ces microcontr&ocirc;leurs conviennent &agrave; un &eacute;ventail diversifi&eacute; de secteurs industriels o&ugrave; le co&ucirc;t constitue un param&egrave;tre majeur comme les d&eacute;tecteurs de pr&eacute;sence, les capteurs de temp&eacute;rature et de pression &agrave; distance, les syst&egrave;mes de gestion de l&rsquo;&eacute;nergie &eacute;lectrique, etc.<br \/>\nIls se distinguent par l&rsquo;ajout d&rsquo;une section analogique comportant jusqu&rsquo;&agrave; quatre convertisseurs analogique-num&eacute;rique (CAN) Delta-Sigma 24 bits int&eacute;gr&eacute;s qui assurent aux syst&egrave;mes de relev&eacute;s intelligents un haut niveau d&rsquo;exactitude et de pr&eacute;cision avec une marge de seulement 0,5 % dans une plage dynamique de 2000:1. L&rsquo;&eacute;chantillonnage simultan&eacute; des CAN Sigma-Delta &eacute;vite la compensation logicielle de l&rsquo;&eacute;chantillonnage s&eacute;quentiel, minimisant ainsi la taille du code logiciel. Cette section analogique suppl&eacute;mentaire facilite aussi la d&eacute;tection de tentatives de falsification de compteurs et autorise la conception de compteurs d&rsquo;&eacute;nergie intelligents capables de d&eacute;tecter les acc&egrave;s non autoris&eacute;s.<br \/>\nCes circuits comprennent &eacute;galement un oscillateur &agrave; commande num&eacute;rique (DCO), ce qui &eacute;limine l&rsquo;utilisation d&rsquo;un quartz externe. De plus, la compacit&eacute; du conditionnement, en bo&icirc;tier TSSOP-28 ou QFP-32, permet aux concepteurs de r&eacute;duire l&rsquo;espace occup&eacute; sur la carte &eacute;lectronique et le co&ucirc;t d&rsquo;ensemble du syst&egrave;me, tout en augmentant le niveau de pr&eacute;cision. Ils peuvent aussi optimiser leurs projets gr&acirc;ce aux 16 ko ou 32 ko de m&eacute;moire flash embarqu&eacute;s respectivement dans les mod&egrave;les MSP430i2040 et MSP430i2041.\n<\/p>\n<hr \/>\n<p>Trois topologies de r&eacute;f&eacute;rences compl&egrave;tes s&eacute;rie TI Designs sont propos&eacute;es avec sch&eacute;mas, synoptiques, nomenclatures (BOM), fichiers de conception et rapports de test pour faciliter la conception de compteurs intelligents monophas&eacute;s, sous-compteurs et autres prises intelligentes (Smart Plug). Ces topologies de r&eacute;f&eacute;rences comprennent le convertisseur-abaisseur Buck TPS54060 et le microcontr&ocirc;leur sans fil Wi-Fi SimpleLink CC3200 propri&eacute;taires, ce dernier &eacute;tablissant une communication entre des designs industriels et d&rsquo;autres appareils connect&eacute;s. De plus, les d&eacute;veloppeurs peuvent faire appel &agrave; la famille de convertisseurs num&eacute;rique\/analogique DAC8760 pour r&eacute;aliser des applications de d&eacute;tection industrielle utilisant la boucle de courant 4-20 mA avec, &agrave; la cl&eacute;, une r&eacute;duction de l&rsquo;espace occup&eacute; sur la carte et des co&ucirc;ts syst&egrave;me, tout en pr&eacute;servant un haut niveau de pr&eacute;cision.<br \/>\nLe logiciel libre Energy Library offre aux concepteurs un bon point de d&eacute;part pour le calcul des niveaux d&rsquo;&eacute;nergie et de consommation requis par les compteurs qualifi&eacute;s ANSI\/CEI. <\/p>\n<\/p>\n<p><a href=\"http:\/\/www.ti.com\/product\/msp430i2040?DCMP=i2x&amp;HQS=ep-mcu-msp-i2x-pr-pf1-en\" title=\"www.ti.com\/product\/msp430i2040\" target=\"_blank\" rel=\"noopener\">www.ti.com\/product\/msp430i2040<\/a><a href=\"http:\/\/www.ti.com\/product\/msp430i2041?DCMP=i2x&amp;HQS=ep-mcu-msp-i2x-pr-pf2-en\" target=\"_blank\" title=\"www.ti.com\/product\/msp430i2041\" rel=\"noopener\"><br \/>\nwww.ti.com\/product\/msp430i2041<\/a> <\/p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Con\u00e7us pour assurer un haut niveau de pr\u00e9cision et d\u2019exactitude au meilleur co\u00fbt, les microcontr\u00f4leurs de la s\u00e9rie MSP430i204x d\u00e9velopp\u00e9s par Texas Instruments embarquent une section analogique intelligente et fonctionnent dans la large gamme de temp\u00e9rature de -40 \u00b0C \u00e0 +105 \u00b0C qu\u2019exigent les applications industrielles et les r\u00e9seaux \u00e9lectriques intelligents.<\/p>\n","protected":false},"author":22,"featured_media":231501,"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-231500","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Microcontr\u00f4leurs industriels \u00e0 section analogique intelligent...<\/title>\n<meta name=\"description\" content=\"Con\u00e7us pour assurer un haut niveau de pr\u00e9cision et d\u2019exactitude au meilleur co\u00fbt, les microcontr\u00f4leurs de la s\u00e9rie MSP430i204x d\u00e9velopp\u00e9s par Texas...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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