{"id":43608,"date":"2023-01-11T13:00:06","date_gmt":"2023-01-11T12:00:06","guid":{"rendered":"https:\/\/botland.com.pl\/blog\/?p=43608"},"modified":"2025-01-15T10:26:29","modified_gmt":"2025-01-15T09:26:29","slug":"magistrala-can-co-to-jest-i-jak-dziala","status":"publish","type":"post","link":"https:\/\/botland.com.pl\/blog\/magistrala-can-co-to-jest-i-jak-dziala\/","title":{"rendered":"Magistrala CAN &#8211; Co to jest i jak dzia\u0142a?"},"content":{"rendered":"<span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Czas czytania:<\/span> <span class=\"rt-time\"> 4<\/span> <span class=\"rt-label rt-postfix\">min.<\/span><\/span>\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"43608\" class=\"elementor elementor-43608\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-ce19765 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"ce19765\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-506ea47\" data-id=\"506ea47\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-780c306 elementor-widget elementor-widget-text-editor\" data-id=\"780c306\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Czy magistrale CAN prze\u017cywaj\u0105 sw\u00f3j renesans? Niezupe\u0142nie, bo tak naprawd\u0119 nigdy nie wysz\u0142y z u\u017cycia. Zobacz, jak dok\u0142adnie wygl\u0105da ich technologiczna specyfikacja i do czego s\u0105 wykorzystywane.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0fdf367 elementor-widget elementor-widget-text-editor\" data-id=\"0fdf367\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"blog-special\"><strong>Magistrala CAN w samochodzie<\/strong> &#8211; Magistrala CAN to ustandaryzowany system komunikacji mi\u0119dzy elektronicznymi uk\u0142adami steruj\u0105cymi pojazdu. Skr\u00f3t CAN oznacza Controlled Area Network, a uk\u0142ady steruj\u0105ce (ECU) gromadz\u0105 informacje z r\u00f3\u017cnych element\u00f3w pojazdu.<\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ab3497b elementor-widget elementor-widget-text-editor\" data-id=\"ab3497b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Nazwisko ich pomys\u0142odawcy zna ka\u017cdy. W lutym 1986 roku firma Robert Bosch GmbH zaprezentowa\u0142a na kongresie Society of Automotive Engineers system magistrali szeregowej Controller Area Network (CAN). By\u0142 to czas narodzin jednego z najbardziej udanych protoko\u0142\u00f3w sieciowych w historii. Od tego momentu min\u0119\u0142o ju\u017c prawie 40 lat, a dzi\u015b szereg samochod\u00f3w osobowych produkowanych w Europie jest wyposa\u017cony w co najmniej jedn\u0105 sie\u0107 CAN.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8455897 elementor-widget elementor-widget-heading\" data-id=\"8455897\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Magistrala CAN - sk\u0105d si\u0119 wzi\u0119\u0142a? <\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-da8decf elementor-widget elementor-widget-text-editor\" data-id=\"da8decf\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><a style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif; font-weight: var( --e-global-typography-text-font-weight ); background-color: #ffffff; font-size: 1rem;\" href=\"\/733-magistrala-can\" target=\"_blank\" rel=\"noopener\" data-wpel-link=\"internal\">Magistrale CAN<\/a>\u00a0znacz\u0105co zmieni\u0142y przemys\u0142 samochodowy. Dzi\u015b s\u0105 u\u017cytkowane na ca\u0142ym \u015bwiecie jako podstawa sieci system\u00f3w wbudowanych w wielu dziedzinach, nie tylko w in\u017cynierii motoryzacyjnej. Pierwsze uk\u0142ady sterownika CAN firm Intel i Philips Semiconductors pojawi\u0142y si\u0119 w 1987 roku, a rok 1991 przyni\u00f3s\u0142 ju\u017c opublikowanie specyfikacji CAN 2.0 firmy Bosch. Opr\u00f3cz protoko\u0142u CAN norma ta ustandaryzowa\u0142a r\u00f3wnie\u017c warstw\u0119 fizyczn\u0105 dla pr\u0119dko\u015bci bitowych do 1 Mbit\/s. Chocia\u017c CAN zosta\u0142 pierwotnie opracowany z my\u015bl\u0105 o zastosowaniu w samochodach osobowych, to pierwsze pr\u00f3by wykorzystania tej technologii mia\u0142y miejsce w innych segmentach rynku. Pionierami w tym sektorze zostali Skandynawowie.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-1f8766d elementor-section-full_width elementor-section-height-default elementor-section-height-default\" data-id=\"1f8766d\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-673a15a\" data-id=\"673a15a\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-286beee elementor-widget elementor-widget-text-editor\" data-id=\"286beee\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>W Finlandii magistrala CAN zosta\u0142a wdro\u017cona przez producenta wind KONE, a szwedzkie biuro in\u017cynierskie Kvaser zaproponowa\u0142o CAN jako protok\u00f3\u0142 komunikacyjny w urz\u0105dzeniach dla producent\u00f3w maszyn w\u0142\u00f3kienniczych. Nast\u0119pnie do grona u\u017cytkownik\u00f3w magistrali CAN do\u0142\u0105czyli Holendrzy \u2014 tamtejsza firma Philips Medical Systems zdecydowa\u0142a o wykorzystaniu CAN do wewn\u0119trznego po\u0142\u0105czenia sieciowego aparat\u00f3w rentgenowskich. Technologia magistrali szeregowych wci\u0105\u017c znajduje nowe, niesamowite zastosowania.\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-8610b84\" data-id=\"8610b84\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-c5aa9b4 elementor-grid-1 elementor-grid-tablet-2 elementor-grid-mobile-1 elementor-posts--thumbnail-top elementor-posts--show-avatar elementor-card-shadow-yes elementor-posts__hover-gradient elementor-widget elementor-widget-posts\" data-id=\"c5aa9b4\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;cards_columns&quot;:&quot;1&quot;,&quot;cards_columns_tablet&quot;:&quot;2&quot;,&quot;cards_columns_mobile&quot;:&quot;1&quot;,&quot;cards_row_gap&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:35,&quot;sizes&quot;:[]},&quot;cards_row_gap_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;cards_row_gap_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]}}\" data-widget_type=\"posts.cards\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-posts-container elementor-posts elementor-posts--skin-cards elementor-grid\" role=\"list\">\n\t\t\t\t<article class=\"elementor-post elementor-grid-item post-29562 post type-post status-publish format-standard has-post-thumbnail hentry category-ciekawostki category-elektronika\" role=\"listitem\">\n\t\t\t<div class=\"elementor-post__card\">\n\t\t\t\t<a class=\"elementor-post__thumbnail__link\" href=\"https:\/\/botland.com.pl\/blog\/rower-bez-lancucha-helikopter-bez-kabli-can\/\" tabindex=\"-1\" data-wpel-link=\"internal\"><div class=\"elementor-post__thumbnail\"><img decoding=\"async\" width=\"300\" height=\"150\" src=\"https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2023\/05\/new2023-rower-przyszlosci-okladka-1-300x150.jpg\" class=\"attachment-medium size-medium wp-image-62446\" alt=\"\" srcset=\"https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2023\/05\/new2023-rower-przyszlosci-okladka-1-300x150.jpg 300w, https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2023\/05\/new2023-rower-przyszlosci-okladka-1-1024x512.jpg 1024w, https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2023\/05\/new2023-rower-przyszlosci-okladka-1-768x384.jpg 768w, https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2023\/05\/new2023-rower-przyszlosci-okladka-1.jpg 1510w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/div><\/a>\n\t\t<div class=\"termsbagdes\">\t\t\t\t\t<a class=\"post-bage-link\" href=\"\/blog\/category\/ciekawostki\" data-wpel-link=\"internal\">\n\t\t\t\t\t\t<div class=\"elementor-post__badge\" style=\"background-color: #8f68be\">Ciekawostki<\/div>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<a class=\"post-bage-link\" href=\"\/blog\/category\/elektronika\" data-wpel-link=\"internal\">\n\t\t\t\t\t\t<div class=\"elementor-post__badge\" style=\"background-color: #485c7a\">Elektronika<\/div>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\t\t<div class=\"elementor-post__avatar\">\n\t\t\t<img data-del=\"avatar\" alt=\"Oskar Pacelt\" src='https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2020\/09\/Oskar-Pacelt-150x150.png' class='avatar pp-user-avatar avatar-128 photo ' height='128' width='128'\/>\t\t<\/div>\n\t\t\t\t<div class=\"elementor-post__text\">\n\t\t\t\t<h4 class=\"elementor-post__title\">\n\t\t\t<a href=\"https:\/\/botland.com.pl\/blog\/rower-bez-lancucha-helikopter-bez-kabli-can\/\" data-wpel-link=\"internal\">\n\t\t\t\tRower bez \u0142a\u0144cucha albo helikopter bez kabli z magistral\u0105 CAN\t\t\t<\/a>\n\t\t<\/h4>\n\t\t\n\t\t<a class=\"elementor-post__read-more\" href=\"https:\/\/botland.com.pl\/blog\/rower-bez-lancucha-helikopter-bez-kabli-can\/\" aria-label=\"Read more about Rower bez \u0142a\u0144cucha albo helikopter bez kabli z magistral\u0105 CAN\" tabindex=\"-1\" data-wpel-link=\"internal\">\n\t\t\tCzytaj na blogu\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t<\/div>\n\t\t\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<div class=\"elementor-element elementor-element-b30bc12 elementor-widget elementor-widget-heading\" data-id=\"b30bc12\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Magistrala CAN - co to jest? <\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f1a2356 elementor-widget elementor-widget-text-editor\" data-id=\"f1a2356\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Magistrala CAN jest jak uk\u0142ad nerwowy, kt\u00f3ry umo\u017cliwia ci\u0105g\u0142\u0105 komunikacj\u0119. \u0141\u0105czy ona wszystkie elektroniczne jednostki steruj\u0105ce (ECU) i pozwala na wymian\u0119 informacji. T\u0142umacz\u0105c w bardziej technicznym uj\u0119ciu, sie\u0107 Controller Area Network jest opisana przez warstw\u0119 \u0142\u0105cza danych i warstw\u0119 fizyczn\u0105. Warstwa fizyczna magistrali CAN definiuje takie komponenty jak typy kabli i ich impedancj\u0119, poziomy sygna\u0142\u00f3w elektrycznych i wymagania w\u0119z\u0142\u00f3w.\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-86ff04f elementor-widget elementor-widget-heading\" data-id=\"86ff04f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Magistrala CAN a ISO<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3495706 elementor-widget elementor-widget-text-editor\" data-id=\"3495706\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Magistrala CAN ma swoje standardy uj\u0119te w normach ISO. W przypadku szybkiej sieci CAN, ISO 11898-1 opisuje warstw\u0119 \u0142\u0105cza danych, a ISO 11898-2 warstw\u0119 fizyczn\u0105. Jakich parametr\u00f3w dotyczy wska\u017anik warstwy fizycznej?<\/p><ul><li>Szybko\u015b\u0107 transmisji \u2014 w\u0119z\u0142y CAN musz\u0105 by\u0107 po\u0142\u0105czone dwuprzewodow\u0105 magistral\u0105 z szybko\u015bci\u0105 transmisji do 1 Mbit\/s (Classical CAN) lub 5 Mbit\/s (CAN FD).<\/li><li>D\u0142ugo\u015b\u0107 kabla \u2014 maksymalna d\u0142ugo\u015b\u0107 przewodu CAN powinna wynosi\u0107 500 metr\u00f3w (przepustowo\u015b\u0107 do 125 kbit\/s) lub 40 metr\u00f3w (przepustowo\u015b\u0107 do 1 Mbit\/s).<\/li><li>Terminacja \u2014 magistrala CAN musi by\u0107 odpowiednio zako\u0144czona, w tym przypadku przy u\u017cyciu rezystora terminacji magistrali CAN 120 Ohm na ka\u017cdym ko\u0144cu magistrali.\u00a0<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8e12047 elementor-widget elementor-widget-heading\" data-id=\"8e12047\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Magistrala CAN - jak dzia\u0142a i do czego s\u0142u\u017cy? <\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5a4fa74 elementor-widget elementor-widget-text-editor\" data-id=\"5a4fa74\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>System magistrali CAN umo\u017cliwia ka\u017cdej jednostce ECU komunikacj\u0119 ze wszystkimi innymi jednostkami steruj\u0105cymi bez skomplikowanego, specjalnego okablowania. Poprzez CAN mog\u0105 one przygotowywa\u0107 i rozsy\u0142a\u0107 informacje, np. takie jak dane z czujnik\u00f3w.\u00a0 Magistrala sk\u0142ada si\u0119 z dw\u00f3ch przewod\u00f3w \u2014 CAN low i CAN high. Rozsy\u0142ane dane s\u0105 akceptowane przez wszystkie inne ECU w sieci CAN. Ka\u017cda jednostka mo\u017ce nast\u0119pnie sprawdzi\u0107 dane i zdecydowa\u0107, czy je odebra\u0107, czy zignorowa\u0107.\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-a86cc25 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"a86cc25\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-89881e1\" data-id=\"89881e1\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-58fc9a8 elementor-widget elementor-widget-image\" data-id=\"58fc9a8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"530\" src=\"https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2021\/12\/14937_1a-1024x678.jpg\" class=\"attachment-large size-large wp-image-44206\" alt=\"\" srcset=\"https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2021\/12\/14937_1a-1024x678.jpg 1024w, https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2021\/12\/14937_1a-300x199.jpg 300w, https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2021\/12\/14937_1a-768x508.jpg 768w, https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2021\/12\/14937_1a.jpg 1080w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-899d58c elementor-align-center elementor-widget elementor-widget-button\" data-id=\"899d58c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"\/1059-diagnostyka-samochodowa\" target=\"_blank\" data-wpel-link=\"internal\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">SPRAWD\u0179<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-09caea7\" data-id=\"09caea7\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-9f9d62a elementor-widget elementor-widget-text-editor\" data-id=\"9f9d62a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>W samochodowym systemie magistrali CAN, ECU mo\u017ce by\u0107 np. jednostk\u0105 steruj\u0105c\u0105 silnikiem, poduszkami powietrznymi lub systemem d\u017awi\u0119ku. Nowoczesny samoch\u00f3d mo\u017ce mie\u0107 nawet kilkadziesi\u0105t elektronicznych modu\u0142\u00f3w steruj\u0105cych, a ka\u017cdy z nich odpowiada za informacje, kt\u00f3re musz\u0105 by\u0107 udost\u0119pnione innym cz\u0119\u015bciom sieci. Dzi\u0119ki temu mo\u017cliwe jest m.in. automatyczne uruchomienie si\u0119 poduszek powietrznych czy w pe\u0142ni sprawne dzia\u0142anie systemu ABS.\u00a0<\/p><p>Magistrala CAN jest jednym z protoko\u0142\u00f3w u\u017cywanych w\u00a0<a href=\"\/1059-diagnostyka-samochodowa\" target=\"_blank\" rel=\"noopener\" data-wpel-link=\"internal\">diagnostyce pok\u0142adowej<\/a>\u00a0(OBD). Obecnie OBD2 jest obowi\u0105zkowe we wszystkich nowszych samochodach osobowych i lekkich ci\u0119\u017car\u00f3wkach na ca\u0142ym \u015bwiecie.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<div class=\"elementor-element elementor-element-4f560c3 elementor-widget elementor-widget-heading\" data-id=\"4f560c3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Zalety magistrali CAN<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e553a60 elementor-widget elementor-widget-text-editor\" data-id=\"e553a60\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Celem protoko\u0142u CAN jest umo\u017cliwienie szybkiej komunikacji pomi\u0119dzy urz\u0105dzeniami elektronicznymi i modu\u0142ami, przy jednoczesnej redukcji b\u0142\u0119d\u00f3w, wagi sprz\u0119tu i koszt\u00f3w. Jedn\u0105 z wa\u017cniejszych zalet magistrali CAN jest zmniejszona ilo\u015b\u0107 okablowania oraz skuteczne zapobieganie kolizji komunikat\u00f3w. Mechanizmy wykrywania b\u0142\u0119d\u00f3w takie jak bit stuffing, bit monitoring, frame check, acknowledgment check oraz cyclic redundancy check znacznie wp\u0142ywaj\u0105 na bezpiecze\u0144stwo.\u00a0<\/p><p>System CAN to podstawa trwa\u0142ej sieci, kt\u00f3ra pomaga wielu urz\u0105dzeniom komunikowa\u0107 si\u0119 ze sob\u0105. Zalet\u0105 tego rozwi\u0105zania jest to, \u017ce elektroniczne jednostki steruj\u0105ce (ECU) mog\u0105 mie\u0107 jeden interfejs CAN zamiast analogowych i cyfrowych wej\u015b\u0107 do ka\u017cdego urz\u0105dzenia w systemie. Zmniejsza to og\u00f3lny koszt i wag\u0119 w pojazdach, maszynach i innych sprz\u0119tach. Ka\u017cde z urz\u0105dze\u0144 w sieci posiada chip sterownika CAN, a wi\u0119c jest inteligentne. Wszystkie modu\u0142y w sieci widz\u0105 przesy\u0142ane wiadomo\u015bci i mog\u0105 zdecydowa\u0107, czy s\u0105 one istotne, czy powinny by\u0107 filtrowane. Ta struktura pozwala na modyfikacje sieci CAN przy minimalnym wp\u0142ywie \u2014 \u0142atwo zintegrowa\u0107 z ca\u0142o\u015bci\u0105 kolejne elementy. Dodatkowe w\u0119z\u0142y nienadaj\u0105ce mog\u0105 by\u0107 dodane bez modyfikacji sieci.\u00a0<\/p><p>Ka\u017cda wiadomo\u015b\u0107 ma sw\u00f3j priorytet, wi\u0119c je\u015bli dwa w\u0119z\u0142y pr\u00f3buj\u0105 wys\u0142a\u0107 wiadomo\u015bci jednocze\u015bnie, to ta o wy\u017cszym priorytecie zostaje przes\u0142ana, a ta o ni\u017cszym priorytecie zostaje od\u0142o\u017cona. Taki arbitra\u017c nie jest destrukcyjny i skutkuje nieprzerwan\u0105 transmisj\u0105 wiadomo\u015bci o najwy\u017cszym priorytecie. Pozwala to r\u00f3wnie\u017c sieciom na spe\u0142nienie deterministycznych ogranicze\u0144 czasowych.<\/p><p>Specyfikacja CAN zawiera cykliczny kod nadmiarowy (CRC) do sprawdzania zawarto\u015bci ka\u017cdego frame\u2019u pod k\u0105tem b\u0142\u0119d\u00f3w.\u00a0 Ramki z b\u0142\u0119dami s\u0105 ignorowane przez wszystkie w\u0119z\u0142y\u00a0 i mog\u0105 zosta\u0107 przes\u0142ane do sieci w celu zasygnalizowania b\u0142\u0119du. B\u0142\u0119dy globalne i lokalne s\u0105 rozr\u00f3\u017cniane przez sterownik, a w przypadku wykrycia zbyt du\u017cej liczby b\u0142\u0119d\u00f3w poszczeg\u00f3lne w\u0119z\u0142y mog\u0105 zaprzesta\u0107 ich transmisji lub ca\u0142kowicie od\u0142\u0105czy\u0107 si\u0119 od sieci.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b65ea8a elementor-widget elementor-widget-heading\" data-id=\"b65ea8a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Magistrala CAN \u2014 gdzie jest stosowana?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-20f2c70 elementor-section-full_width elementor-section-height-default elementor-section-height-default\" data-id=\"20f2c70\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-66 elementor-inner-column elementor-element elementor-element-127877c\" data-id=\"127877c\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-99a4bbb elementor-widget elementor-widget-text-editor\" data-id=\"99a4bbb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Wykorzystanie CAN w przemy\u015ble motoryzacyjnym jest standardowym rozwi\u0105zaniem. Najcz\u0119stszym zastosowaniem magistrali jest tworzenie sieci elektronicznych w pojazdach.\u00a0<\/p><p>W ci\u0105gu ostatnich dziesi\u0119cioleci inne ga\u0142\u0119zie przemys\u0142u r\u00f3wnie\u017c zacz\u0119\u0142y wdra\u017ca\u0107 niezawodne rozwi\u0105zania komunikacyjne i zacz\u0119to korzysta\u0107 z wielu zalet CAN. Przyk\u0142adowo tramwaje, metro, lekkie kolejki i poci\u0105gi dalekobie\u017cne r\u00f3wnie\u017c zawieraj\u0105 szeregow\u0105 magistral\u0119 komunikacyjn\u0105. Urz\u0105dzenia CAN \u0142\u0105cz\u0105 m.in. drzwi, kontrolery hamulc\u00f3w, jednostki licz\u0105ce pasa\u017cer\u00f3w na r\u00f3\u017cnych poziomach sieci w tych pojazdach. CAN ma r\u00f3wnie\u017c zastosowanie w samolotach z czujnikami stanu lotu, systemami nawigacyjnymi i komputerami badawczymi w kokpicie. Ponadto magistrale CAN umieszczone s\u0105 w aparaturze lotniczej i odpowiadaj\u0105 za analiz\u0119 danych podczas lotu, a tak\u017ce systemy sterowania silnikiem samolotu.\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-inner-column elementor-element elementor-element-8f711ec\" data-id=\"8f711ec\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-139d512 elementor-widget elementor-widget-image\" data-id=\"139d512\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2021\/12\/06960_3-300x300.jpg\" class=\"attachment-medium size-medium wp-image-44213\" alt=\"\" srcset=\"https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2021\/12\/06960_3-300x300.jpg 300w, https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2021\/12\/06960_3-1024x1024.jpg 1024w, https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2021\/12\/06960_3-150x150.jpg 150w, https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2021\/12\/06960_3-768x768.jpg 768w, https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2021\/12\/06960_3.jpg 1080w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Modu\u0142 z interfejsem CAN.<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<div class=\"elementor-element elementor-element-c91ce1c elementor-widget elementor-widget-text-editor\" data-id=\"c91ce1c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Producenci sprz\u0119tu medycznego wykorzystuj\u0105 CAN jako sie\u0107 wbudowan\u0105 w urz\u0105dzenia medyczne. Niekt\u00f3re szpitale wykorzystuj\u0105 magistral\u0119 do zarz\u0105dzania ca\u0142ymi salami operacyjnymi, kontroluj\u0105c takie elementy jak \u015bwiat\u0142a, sto\u0142y, kamery, aparaty rentgenowskie i \u0142\u00f3\u017cka pacjent\u00f3w. Co wi\u0119cej, szpitale u\u017cywaj\u0105 protoko\u0142u CANopen do \u0142\u0105czenia ze sob\u0105 i kontrolowania urz\u0105dze\u0144 d\u017awigowych, takich jak panele, sterowniki, drzwi i bariery \u015bwietlne. CANopen jest r\u00f3wnie\u017c wykorzystywany w ga\u0142\u0119ziach nieprzemys\u0142owych, np. w sprz\u0119cie laboratoryjnym, kamerach sportowych, teleskopach, drzwiach automatycznych, a nawet w ekspresie do kawy.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c30255b elementor-widget elementor-widget-heading\" data-id=\"c30255b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Magistrala CAN \u2014 jak\u0105 wybra\u0107?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-45d8865 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"45d8865\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-inner-column elementor-element elementor-element-8e5d678\" data-id=\"8e5d678\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-726defd elementor-widget elementor-widget-image\" data-id=\"726defd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"676\" src=\"https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2021\/12\/02452_1a-1024x865.jpg\" class=\"attachment-large size-large wp-image-44218\" alt=\"\" srcset=\"https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2021\/12\/02452_1a-1024x865.jpg 1024w, https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2021\/12\/02452_1a-300x253.jpg 300w, https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2021\/12\/02452_1a-768x649.jpg 768w, https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2021\/12\/02452_1a.jpg 1080w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c9b003b elementor-align-center elementor-widget elementor-widget-button\" data-id=\"c9b003b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"\/733-magistrala-can\" target=\"_blank\" data-wpel-link=\"internal\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">SPRAWD\u0179<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-66 elementor-inner-column elementor-element elementor-element-ae5b183\" data-id=\"ae5b183\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-d365e8d elementor-widget elementor-widget-text-editor\" data-id=\"d365e8d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Wyb\u00f3r odpowiedniego urz\u0105dzenia zale\u017cy od jego planowanego zastosowania. Szeregowe magistrale komunikacyjne, jakimi s\u0105 CAN, mog\u0105 wesprze\u0107 pok\u0142adowy system ABS, sterowanie silnikami w zaawansowanych projektach z zakresu elektroniki i robotyki oraz w szeroko rozumianej automatyce, na przyk\u0142ad w parze z niezast\u0105pionym\u00a0<a href=\"\/producent\/89-arduino\" target=\"_blank\" rel=\"noopener\" data-wpel-link=\"internal\">Arduino<\/a>.\u00a0<\/p><p>Dost\u0119pne w asortymencie sklepu Botland modu\u0142y i nak\u0142adki CAN posiadaj\u0105 ju\u017c niezb\u0119dne do pracy konektory albo mo\u017cliwo\u015b\u0107 pracy z OBD. Z tego wzgl\u0119du s\u0105 one idealnymi urz\u0105dzeniami dla os\u00f3b zajmuj\u0105cych si\u0119 mechanik\u0105 czy mechatronik\u0105.\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Czy magistrale CAN prze\u017cywaj\u0105 sw\u00f3j renesans? Niezupe\u0142nie, bo tak naprawd\u0119 nigdy nie wysz\u0142y z u\u017cycia. Zobacz, jak dok\u0142adnie wygl\u0105da ich technologiczna specyfikacja i do czego s\u0105 wykorzystywane. <\/p>\n","protected":false},"author":21,"featured_media":63537,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[7,179],"tags":[],"class_list":["post-43608","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-elektronika","category-kompendium"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Magistrala CAN - Co to jest i jak dzia\u0142a? - Botland<\/title>\n<meta name=\"description\" content=\"Kompendium wiedzy o magistralach CAN \u2014 odwied\u017a blog Botland, aby dowiedzie\u0107 si\u0119 wi\u0119cej i skorzystaj z oferty sklepu internetowego Botland.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/botland.com.pl\/blog\/rower-bez-lancucha-helikopter-bez-kabli-can\/\" \/>\n<meta property=\"og:locale\" content=\"pl_PL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Magistrala CAN - Co to jest i jak dzia\u0142a? 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