{"id":3622,"date":"2025-10-17T10:20:31","date_gmt":"2025-10-17T08:20:31","guid":{"rendered":"https:\/\/diagzone.org\/?p=3622"},"modified":"2025-10-17T10:20:32","modified_gmt":"2025-10-17T08:20:32","slug":"can-fd-flexible-data-rate-the-evolution-of-can-communication-in-modern-vehicles","status":"publish","type":"post","link":"https:\/\/diagzone.org\/cs\/can-fd-flexible-data-rate-the-evolution-of-can-communication-in-modern-vehicles\/","title":{"rendered":"CAN FD (Flexible Data Rate): Evoluce komunikace CAN v modern\u00edch vozidlech"},"content":{"rendered":"<p class=\"wp-block-paragraph\">CAN FD (Controller Area Network \u2013 Flexible Data Rate) je roz\u0161\u00ed\u0159en\u00e1 verze klasick\u00e9ho protokolu CAN, navr\u017een\u00e1 pro umo\u017en\u011bn\u00ed vy\u0161\u0161\u00edch rychlost\u00ed p\u0159enosu dat a v\u011bt\u0161\u00ed datov\u00e9 kapacity v automobilov\u00e9 diagnostice. Tento standard, vyvinut\u00fd spole\u010dnost\u00ed Bosch, se stal ned\u00edlnou sou\u010d\u00e1st\u00ed modern\u00ed architektury vozidel, zejm\u00e9na v syst\u00e9mech, kter\u00e9 vy\u017eaduj\u00ed rychlou v\u00fdm\u011bnu dat mezi elektronick\u00fdmi \u0159\u00eddic\u00edmi jednotkami (ECU).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Jak funguje CAN FD?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph translation-block\">CAN FD zachov\u00e1v\u00e1 z\u00e1kladn\u00ed strukturu klasick\u00e9ho protokolu CAN, ale zav\u00e1d\u00ed flexibiln\u00ed p\u0159enosov\u00e9 rychlosti a roz\u0161\u00ed\u0159en\u00fd datov\u00fd r\u00e1mec. Zat\u00edmco tradi\u010dn\u00ed CAN podporuje a\u017e 8 bajt\u016f na zpr\u00e1vu, CAN FD umo\u017e\u0148uje p\u0159enos dat a\u017e do 64 bajt\u016f.<br>P\u0159enosov\u00e1 rychlost m\u016f\u017ee dos\u00e1hnout a\u017e <strong>8 Mbit\/s<\/strong>, co\u017e v\u00fdrazn\u011b zlep\u0161uje diagnostiku, aktualizace softwaru a komunikaci mezi moduly.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>OBD-II adapt\u00e9ry Launch podporuj\u00edc\u00ed tento protokol:<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">DBScar V, DBScar VII<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Za\u0159\u00edzen\u00ed ThinkDiag podporuj\u00edc\u00ed tento protokol:<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">ThinkDiag 2<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Za\u0159\u00edzen\u00ed Ediag podporuj\u00edc\u00ed tento protokol:<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ediag Plus, Ediag Elite<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"428\" height=\"428\" src=\"https:\/\/diagzone.org\/wp-content\/uploads\/2025\/10\/image-3.jpeg\" alt=\"\" class=\"wp-image-3626\" srcset=\"https:\/\/diagzone.org\/wp-content\/uploads\/2025\/10\/image-3.jpeg 428w, https:\/\/diagzone.org\/wp-content\/uploads\/2025\/10\/image-3-300x300.jpeg 300w, https:\/\/diagzone.org\/wp-content\/uploads\/2025\/10\/image-3-150x150.jpeg 150w, https:\/\/diagzone.org\/wp-content\/uploads\/2025\/10\/image-3-100x100.jpeg 100w\" sizes=\"auto, (max-width: 428px) 100vw, 428px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"407\" height=\"407\" src=\"https:\/\/diagzone.org\/wp-content\/uploads\/2025\/10\/image-4.jpeg\" alt=\"\" class=\"wp-image-3627\" srcset=\"https:\/\/diagzone.org\/wp-content\/uploads\/2025\/10\/image-4.jpeg 407w, https:\/\/diagzone.org\/wp-content\/uploads\/2025\/10\/image-4-300x300.jpeg 300w, https:\/\/diagzone.org\/wp-content\/uploads\/2025\/10\/image-4-150x150.jpeg 150w, https:\/\/diagzone.org\/wp-content\/uploads\/2025\/10\/image-4-100x100.jpeg 100w\" sizes=\"auto, (max-width: 407px) 100vw, 407px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Typy vozidel a zna\u010dky podporovan\u00e9 protokolem:<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nejnov\u011bj\u0161\u00ed osobn\u00ed a elektrick\u00e1 vozidla vyr\u00e1b\u011bn\u00e1 od roku 2019, p\u0159edev\u0161\u00edm zna\u010dek Volkswagen (platforma MQB Evo), Audi, BMW, Mercedes-Benz, Toyota, Hyundai a Kia, stejn\u011b jako nov\u011bj\u0161\u00ed modely EV, nap\u0159\u00edklad Tesla, BYD, NIO a Lucid.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>V\u00fdhody protokolu CAN FD<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Vy\u0161\u0161\u00ed p\u0159enosov\u00e1 rychlost dat a v\u011bt\u0161\u00ed kapacita ve srovn\u00e1n\u00ed s klasick\u00fdm CAN.<\/li>\n\n\n\n<li>Zkr\u00e1cen\u00e1 doba diagnostiky a rychlej\u0161\u00ed programov\u00e1n\u00ed ECU.<\/li>\n\n\n\n<li>Pln\u011b kompatibiln\u00ed se st\u00e1vaj\u00edc\u00edmi syst\u00e9my CAN, co\u017e zjednodu\u0161uje p\u0159echod na nov\u00fd standard.<\/li>\n\n\n\n<li>Zlep\u0161en\u00e1 efektivita a sn\u00ed\u017een\u00e1 komunika\u010dn\u00ed latence.<\/li>\n\n\n\n<li>Ide\u00e1ln\u00ed \u0159e\u0161en\u00ed pro vozidla s pokro\u010dil\u00fdmi elektronick\u00fdmi syst\u00e9my, v\u010detn\u011b platforem ADAS a EV.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Nev\u00fdhody a omezen\u00ed<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Vy\u017eaduje kompatibiln\u00ed diagnostick\u00e9 n\u00e1stroje, kter\u00e9 podporuj\u00ed CAN FD.<\/li>\n\n\n\n<li>Slo\u017eit\u011bj\u0161\u00ed implementace a konfigurace syst\u00e9mu.<\/li>\n\n\n\n<li>Nepou\u017e\u00edv\u00e1 se ve star\u0161\u00edch vozidlech \u2013 je ur\u010den p\u0159edev\u0161\u00edm pro nov\u011bj\u0161\u00ed modely.<\/li>\n\n\n\n<li>Pro zpracov\u00e1n\u00ed zpr\u00e1v CAN FD je zapot\u0159eb\u00ed dodate\u010dn\u00e1 softwarov\u00e1 podpora.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Pou\u017eit\u00ed CAN FD v automobilov\u00e9 diagnostice<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">CAN FD se pou\u017e\u00edv\u00e1 v pokro\u010dil\u00e9 diagnostice, programov\u00e1n\u00ed ECU, aktualizac\u00edch softwaru, monitorov\u00e1n\u00ed senzor\u016f v re\u00e1ln\u00e9m \u010dase a p\u0159i v\u00fdm\u011bn\u011b dat mezi vysoce v\u00fdkonn\u00fdmi moduly. Tento protokol je nezbytn\u00fd pro modern\u00ed vozidla s komplexn\u00edmi s\u00ed\u0165ov\u00fdmi strukturami a vysokou \u00farovn\u00ed automatizace.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Z\u00e1v\u011br<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">CAN FD p\u0159edstavuje budoucnost automobilov\u00e9 komunikace. D\u00edky vy\u0161\u0161\u00ed rychlosti, v\u011bt\u0161\u00ed datov\u00e9 kapacit\u011b a zp\u011btn\u00e9 kompatibilit\u011b s klasick\u00fdmi syst\u00e9my CAN se tento protokol st\u00e1v\u00e1 nepostradateln\u00fdm n\u00e1strojem modern\u00ed diagnostiky a v\u00fdvoje nov\u00fdch generac\u00ed vozidel.<\/p>","protected":false},"excerpt":{"rendered":"<p>CAN FD (Controller Area Network \u2013 Flexible Data Rate) is an enhanced version of the classic CAN protocol, designed to enable higher data transfer speeds and larger data capacity in automotive diagnostics. Developed by Bosch, this standard has become an integral part of modern vehicle architecture, especially in systems that require fast data exchange between&#8230;<\/p>","protected":false},"author":1,"featured_media":3625,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_robots_primary_cat":"none","_seopress_titles_title":"CAN FD: Communication in Modern Vehicles","_seopress_titles_desc":"CAN FD represents the future of automotive communication. With higher speed, greater data capacity, and backward compatibility.","_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":145,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3622","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\/CAN-FD-Flexible-Data-Rate.jpg",600,600,false],"author_info":{"display_name":"diagzone","author_link":"https:\/\/diagzone.org\/cs\/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":43,"filter":"raw","cat_ID":1,"category_count":43,"category_description":"","cat_name":"Uncategorized","category_nicename":"uncategorized","category_parent":0}],"tag_info":false,"_links":{"self":[{"href":"https:\/\/diagzone.org\/cs\/wp-json\/wp\/v2\/posts\/3622","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/diagzone.org\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/diagzone.org\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/diagzone.org\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/diagzone.org\/cs\/wp-json\/wp\/v2\/comments?post=3622"}],"version-history":[{"count":1,"href":"https:\/\/diagzone.org\/cs\/wp-json\/wp\/v2\/posts\/3622\/revisions"}],"predecessor-version":[{"id":3628,"href":"https:\/\/diagzone.org\/cs\/wp-json\/wp\/v2\/posts\/3622\/revisions\/3628"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/diagzone.org\/cs\/wp-json\/wp\/v2\/media\/3625"}],"wp:attachment":[{"href":"https:\/\/diagzone.org\/cs\/wp-json\/wp\/v2\/media?parent=3622"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/diagzone.org\/cs\/wp-json\/wp\/v2\/categories?post=3622"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/diagzone.org\/cs\/wp-json\/wp\/v2\/tags?post=3622"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}