
{"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\/sk\/can-fd-flexible-data-rate-the-evolution-of-can-communication-in-modern-vehicles\/","title":{"rendered":"CAN FD (Flexible Data Rate): Evol\u00facia komunik\u00e1cie CAN v modern\u00fdch vozidl\u00e1ch"},"content":{"rendered":"<p>CAN FD (Controller Area Network \u2013 Flexible Data Rate) je roz\u0161\u00edren\u00e1 verzia klasick\u00e9ho protokolu CAN, navrhnut\u00e1 na umo\u017enenie vy\u0161\u0161\u00edch r\u00fdchlost\u00ed prenosu d\u00e1t a v\u00e4\u010d\u0161ej d\u00e1tovej kapacity v automobilovej diagnostike. Tento \u0161tandard, vyvinut\u00fd spolo\u010dnos\u0165ou Bosch, sa stal neoddelite\u013enou s\u00fa\u010das\u0165ou modernej architekt\u00fary vozidiel, najm\u00e4 v syst\u00e9moch, ktor\u00e9 vy\u017eaduj\u00fa r\u00fdchlu v\u00fdmenu d\u00e1t medzi elektronick\u00fdmi riadiacimi jednotkami (ECU).<\/p>\n\n\n\n<p><strong>Ako funguje CAN FD?<\/strong><\/p>\n\n\n\n<p class=\" translation-block\">CAN FD zachov\u00e1va z\u00e1kladn\u00fa \u0161trukt\u00faru klasick\u00e9ho protokolu CAN, no zav\u00e1dza flexibiln\u00e9 prenosov\u00e9 r\u00fdchlosti a roz\u0161\u00edren\u00fd d\u00e1tov\u00fd r\u00e1mec. Zatia\u013e \u010do tradi\u010dn\u00fd CAN podporuje a\u017e 8 bajtov na spr\u00e1vu, CAN FD umo\u017e\u0148uje prenos d\u00e1t a\u017e do 64 bajtov.<br>Prenosov\u00e1 r\u00fdchlos\u0165 m\u00f4\u017ee dosiahnu\u0165 a\u017e <strong>8 Mbit\/s<\/strong>, \u010do v\u00fdrazne zlep\u0161uje diagnostiku, aktualiz\u00e1cie softv\u00e9ru a komunik\u00e1ciu medzi modulmi.<\/p>\n\n\n\n<p><strong>OBD-II adapt\u00e9ry Launch, ktor\u00e9 podporuj\u00fa protokol:<\/strong><\/p>\n\n\n\n<p>DBScar V, DBScar VII<\/p>\n\n\n\n<p><strong>Zariadenia ThinkDiag, ktor\u00e9 podporuj\u00fa protokol:<\/strong><\/p>\n\n\n\n<p>ThinkDiag 2<\/p>\n\n\n\n<p><strong>Zariadenia Ediag, ktor\u00e9 podporuj\u00fa protokol:<\/strong><\/p>\n\n\n\n<p>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><strong>Typy vozidiel a zna\u010dky podporovan\u00e9 protokolom:<\/strong><\/p>\n\n\n\n<p>Najnov\u0161ie osobn\u00e9 a elektrick\u00e9 vozidl\u00e1 vyroben\u00e9 od roku 2019, predov\u0161etk\u00fdm od zna\u010diek Volkswagen (platforma MQB Evo), Audi, BMW, Mercedes-Benz, Toyota, Hyundai a Kia, ako aj nov\u0161ie modely EV ako Tesla, BYD, NIO a Lucid.<\/p>\n\n\n\n<p><strong>V\u00fdhody protokolu CAN FD<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Vy\u0161\u0161ia r\u00fdchlos\u0165 prenosu d\u00e1t a v\u00e4\u010d\u0161ia kapacita v porovnan\u00ed s klasick\u00fdm CAN.<\/li>\n\n\n\n<li>Skr\u00e1ten\u00fd \u010das diagnostiky a r\u00fdchlej\u0161ie programovanie ECU.<\/li>\n\n\n\n<li>Plne kompatibiln\u00fd s existuj\u00facimi syst\u00e9mami CAN, \u010do zjednodu\u0161uje prechod na nov\u00fd \u0161tandard.<\/li>\n\n\n\n<li>Zv\u00fd\u0161en\u00e1 efektivita a zn\u00ed\u017een\u00e1 komunika\u010dn\u00e1 latencia.<\/li>\n\n\n\n<li>Ide\u00e1lne rie\u0161enie pre vozidl\u00e1 s pokro\u010dil\u00fdmi elektronick\u00fdmi syst\u00e9mami vr\u00e1tane platforiem ADAS a EV.<\/li>\n<\/ul>\n\n\n\n<p><strong>Nev\u00fdhody a obmedzenia<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Vy\u017eaduje kompatibiln\u00e9 diagnostick\u00e9 n\u00e1stroje, ktor\u00e9 podporuj\u00fa CAN FD.<\/li>\n\n\n\n<li>Zlo\u017eitej\u0161ia implement\u00e1cia a konfigur\u00e1cia syst\u00e9mu.<\/li>\n\n\n\n<li>Nepou\u017e\u00edva sa v star\u0161\u00edch vozidl\u00e1ch \u2013 je ur\u010den\u00fd najm\u00e4 pre nov\u0161ie modely.<\/li>\n\n\n\n<li>Na spracovanie spr\u00e1v CAN FD je potrebn\u00e1 dodato\u010dn\u00e1 softv\u00e9rov\u00e1 podpora.<\/li>\n<\/ul>\n\n\n\n<p><strong>Pou\u017eitie CAN FD v automobilovej diagnostike<\/strong><\/p>\n\n\n\n<p>CAN FD sa pou\u017e\u00edva v pokro\u010dilej diagnostike, programovan\u00ed ECU, aktualiz\u00e1ci\u00e1ch softv\u00e9ru, monitorovan\u00ed sn\u00edma\u010dov v re\u00e1lnom \u010dase a pri v\u00fdmene d\u00e1t medzi vysokov\u00fdkonn\u00fdmi modulmi. Tento protokol je nevyhnutn\u00fd pre modern\u00e9 vozidl\u00e1 so zlo\u017eit\u00fdmi sie\u0165ov\u00fdmi \u0161trukt\u00farami a vysokou \u00farov\u0148ou automatiz\u00e1cie.<\/p>\n\n\n\n<p><strong>Z\u00e1ver<\/strong><\/p>\n\n\n\n<p>CAN FD predstavuje bud\u00facnos\u0165 automobilovej komunik\u00e1cie. V\u010faka vy\u0161\u0161ej r\u00fdchlosti, v\u00e4\u010d\u0161ej d\u00e1tovej kapacite a sp\u00e4tnej kompatibilite s klasick\u00fdmi syst\u00e9mami CAN sa tento protokol st\u00e1va nepostr\u00e1date\u013en\u00fdm n\u00e1strojom v modernej diagnostike a pri v\u00fdvoji nov\u00fdch gener\u00e1ci\u00ed vozidiel.<\/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":75,"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\/sk\/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\/sk\/wp-json\/wp\/v2\/posts\/3622","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/diagzone.org\/sk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/diagzone.org\/sk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/diagzone.org\/sk\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/diagzone.org\/sk\/wp-json\/wp\/v2\/comments?post=3622"}],"version-history":[{"count":1,"href":"https:\/\/diagzone.org\/sk\/wp-json\/wp\/v2\/posts\/3622\/revisions"}],"predecessor-version":[{"id":3628,"href":"https:\/\/diagzone.org\/sk\/wp-json\/wp\/v2\/posts\/3622\/revisions\/3628"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/diagzone.org\/sk\/wp-json\/wp\/v2\/media\/3625"}],"wp:attachment":[{"href":"https:\/\/diagzone.org\/sk\/wp-json\/wp\/v2\/media?parent=3622"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/diagzone.org\/sk\/wp-json\/wp\/v2\/categories?post=3622"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/diagzone.org\/sk\/wp-json\/wp\/v2\/tags?post=3622"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}