{"id":3673,"date":"2025-10-17T10:30:08","date_gmt":"2025-10-17T08:30:08","guid":{"rendered":"https:\/\/diagzone.org\/?p=3673"},"modified":"2025-10-17T10:30:09","modified_gmt":"2025-10-17T08:30:09","slug":"iso-11898-3-low-speed-can-single-wire-can-reliable-communication-for-non-critical-systems","status":"publish","type":"post","link":"https:\/\/diagzone.org\/pt\/iso-11898-3-low-speed-can-single-wire-can-reliable-communication-for-non-critical-systems\/","title":{"rendered":"ISO 11898-3 CAN de baixa velocidade (CAN de fio \u00fanico): Comunica\u00e7\u00e3o fi\u00e1vel para sistemas n\u00e3o cr\u00edticos"},"content":{"rendered":"<p class=\"wp-block-paragraph\">A ISO 11898-3, tamb\u00e9m conhecida como CAN de baixa velocidade ou CAN de fio \u00fanico, \u00e9 um protocolo de comunica\u00e7\u00e3o padronizado baseado na tecnologia Controller Area Network (CAN), concebido para sistemas veiculares em que n\u00e3o s\u00e3o necess\u00e1rias altas velocidades de transfer\u00eancia de dados. Este protocolo \u00e9 normalmente utilizado em sistemas n\u00e3o cr\u00edticos, como vidros el\u00e9tricos, ilumina\u00e7\u00e3o, sensores de conforto e controlo clim\u00e1tico.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Como funciona o CAN de baixa velocidade<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">O CAN de baixa velocidade utiliza uma linha de comunica\u00e7\u00e3o de fio \u00fanico entre os m\u00f3dulos ECU. O padr\u00e3o suporta taxas de transfer\u00eancia de dados at\u00e9 125 kb\/s, proporcionando uma comunica\u00e7\u00e3o fi\u00e1vel e resiliente mesmo em ambientes com interfer\u00eancias eletromagn\u00e9ticas.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">As principais caracter\u00edsticas incluem:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Camada f\u00edsica simples, reduzindo os custos de implementa\u00e7\u00e3o<\/li>\n\n\n\n<li>Dete\u00e7\u00e3o de erros e retransmiss\u00e3o de mensagens<\/li>\n\n\n\n<li>Transfer\u00eancia de dados eficiente para sistemas veiculares n\u00e3o cr\u00edticos<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Adaptadores OBD-II da Launch que suportam o protocolo:<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">DBScar I, DBScar II, DBScar III, DBScar IV, DBScar V, DBScar VII<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Dispositivos ThinkDiag que suportam o protocolo:<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">ThinkDiag, ThinkDiag 2<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Dispositivos Ediag que suportam o protocolo:<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ediag YA-101, Ediag YA-201, Ediag Plus, Ediag Elite<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"369\" height=\"369\" src=\"https:\/\/diagzone.org\/wp-content\/uploads\/2025\/10\/image-19.jpeg\" alt=\"\" class=\"wp-image-3677\" srcset=\"https:\/\/diagzone.org\/wp-content\/uploads\/2025\/10\/image-19.jpeg 369w, https:\/\/diagzone.org\/wp-content\/uploads\/2025\/10\/image-19-300x300.jpeg 300w, https:\/\/diagzone.org\/wp-content\/uploads\/2025\/10\/image-19-150x150.jpeg 150w, https:\/\/diagzone.org\/wp-content\/uploads\/2025\/10\/image-19-100x100.jpeg 100w\" sizes=\"auto, (max-width: 369px) 100vw, 369px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"403\" height=\"403\" src=\"https:\/\/diagzone.org\/wp-content\/uploads\/2025\/10\/image-20.jpeg\" alt=\"\" class=\"wp-image-3678\" srcset=\"https:\/\/diagzone.org\/wp-content\/uploads\/2025\/10\/image-20.jpeg 403w, https:\/\/diagzone.org\/wp-content\/uploads\/2025\/10\/image-20-300x300.jpeg 300w, https:\/\/diagzone.org\/wp-content\/uploads\/2025\/10\/image-20-150x150.jpeg 150w, https:\/\/diagzone.org\/wp-content\/uploads\/2025\/10\/image-20-100x100.jpeg 100w\" sizes=\"auto, (max-width: 403px) 100vw, 403px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"453\" height=\"453\" src=\"https:\/\/diagzone.org\/wp-content\/uploads\/2025\/10\/image-21.jpeg\" alt=\"\" class=\"wp-image-3679\" srcset=\"https:\/\/diagzone.org\/wp-content\/uploads\/2025\/10\/image-21.jpeg 453w, https:\/\/diagzone.org\/wp-content\/uploads\/2025\/10\/image-21-300x300.jpeg 300w, https:\/\/diagzone.org\/wp-content\/uploads\/2025\/10\/image-21-150x150.jpeg 150w, https:\/\/diagzone.org\/wp-content\/uploads\/2025\/10\/image-21-100x100.jpeg 100w\" sizes=\"auto, (max-width: 453px) 100vw, 453px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Tipos de ve\u00edculos e marcas suportados pelo protocolo:<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ve\u00edculos de passageiros e comerciais ligeiros de fabricantes europeus e americanos, incluindo Volkswagen, Audi, BMW, Mercedes-Benz, Ford, GM, bem como ve\u00edculos com sistemas de conforto e auxiliares (por ex., ABS, ESP, controlo clim\u00e1tico); tipicamente modelos a partir de 2003.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">O CAN de baixa velocidade utiliza um \u00fanico fio e uma velocidade inferior para sistemas veiculares menos cr\u00edticos.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Vantagens da ISO 11898-3 CAN de baixa velocidade<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Custos de implementa\u00e7\u00e3o mais baixos em compara\u00e7\u00e3o com o CAN de alta velocidade<\/li>\n\n\n\n<li>Comunica\u00e7\u00e3o fi\u00e1vel para sistemas n\u00e3o cr\u00edticos<\/li>\n\n\n\n<li>Padronizado e compat\u00edvel com diferentes tipos de ve\u00edculos<\/li>\n\n\n\n<li>Permite diagn\u00f3sticos simples e a monitoriza\u00e7\u00e3o da funcionalidade dos m\u00f3dulos<\/li>\n\n\n\n<li>Ideal para sistemas de conforto e auxiliares em ve\u00edculos<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Desvantagens e limita\u00e7\u00f5es<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Baixa velocidade de transfer\u00eancia de dados (at\u00e9 125 kb\/s) limita a capacidade de transmiss\u00e3o<\/li>\n\n\n\n<li>N\u00e3o \u00e9 adequado para sistemas cr\u00edticos como ABS ou controlo do motor<\/li>\n\n\n\n<li>Requer ferramentas de diagn\u00f3stico compat\u00edveis<\/li>\n\n\n\n<li>Limitado a ve\u00edculos equipados com redes CAN de fio \u00fanico<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Aplica\u00e7\u00f5es do CAN de baixa velocidade<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">O CAN de baixa velocidade \u00e9 utilizado para o controlo e diagn\u00f3stico de sistemas n\u00e3o cr\u00edticos, incluindo vidros el\u00e9tricos, fecho centralizado, ilumina\u00e7\u00e3o e controlo clim\u00e1tico. A sua simplicidade e fiabilidade tornam-no ideal para m\u00f3dulos de conforto e auxiliares nos ve\u00edculos.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Conclus\u00e3o<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A ISO 11898-3 (CAN de baixa velocidade \/ CAN de fio \u00fanico) fornece um padr\u00e3o fi\u00e1vel e econ\u00f3mico para a comunica\u00e7\u00e3o e o diagn\u00f3stico de sistemas veiculares n\u00e3o cr\u00edticos. A sua capacidade de reduzir os custos de implementa\u00e7\u00e3o mantendo a fiabilidade torna-a essencial para a gest\u00e3o de fun\u00e7\u00f5es auxiliares nos autom\u00f3veis modernos.<\/p>","protected":false},"excerpt":{"rendered":"<p>ISO 11898-3, also known as Low-speed CAN or Single Wire CAN, is a standardized communication protocol based on Controller Area Network (CAN) technology, designed for vehicle systems where high data transfer speeds are not required. This protocol is commonly used for non-critical systems such as windows, lighting, comfort sensors, and climate control. How Low-speed CAN&#8230;<\/p>","protected":false},"author":1,"featured_media":3675,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_robots_primary_cat":"none","_seopress_titles_title":"ISO 11898-3 Low-speed CAN (Single Wire CAN)","_seopress_titles_desc":"ISO 11898-3 (Low-speed \/ Single Wire CAN) a reliable and cost-effective standard for communication and diagnostics of non-critical vehicle systems","_seopress_robots_index":"","inline_featured_image":false,"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_themeisle_gutenberg_block_has_review":false,"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"iawp_total_views":92,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3673","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"acf":[],"taxonomy_info":{"category":[{"value":1,"label":"Uncategorized"}]},"featured_image_src_large":["https:\/\/diagzone.org\/wp-content\/uploads\/2025\/10\/ISO-11898-3-Low-speed-CAN-Single-Wire-CAN.jpg",600,600,false],"author_info":{"display_name":"diagzone","author_link":"https:\/\/diagzone.org\/pt\/author\/xpro5\/"},"comment_info":0,"category_info":[{"term_id":1,"name":"Uncategorized","slug":"uncategorized","term_group":0,"term_taxonomy_id":1,"taxonomy":"category","description":"","parent":0,"count":33,"filter":"raw","cat_ID":1,"category_count":33,"category_description":"","cat_name":"Uncategorized","category_nicename":"uncategorized","category_parent":0}],"tag_info":false,"_links":{"self":[{"href":"https:\/\/diagzone.org\/pt\/wp-json\/wp\/v2\/posts\/3673","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/diagzone.org\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/diagzone.org\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/diagzone.org\/pt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/diagzone.org\/pt\/wp-json\/wp\/v2\/comments?post=3673"}],"version-history":[{"count":1,"href":"https:\/\/diagzone.org\/pt\/wp-json\/wp\/v2\/posts\/3673\/revisions"}],"predecessor-version":[{"id":3680,"href":"https:\/\/diagzone.org\/pt\/wp-json\/wp\/v2\/posts\/3673\/revisions\/3680"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/diagzone.org\/pt\/wp-json\/wp\/v2\/media\/3675"}],"wp:attachment":[{"href":"https:\/\/diagzone.org\/pt\/wp-json\/wp\/v2\/media?parent=3673"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/diagzone.org\/pt\/wp-json\/wp\/v2\/categories?post=3673"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/diagzone.org\/pt\/wp-json\/wp\/v2\/tags?post=3673"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}