{"id":171991,"date":"2023-02-14T10:27:53","date_gmt":"2023-02-14T09:27:53","guid":{"rendered":"https:\/\/gemac-fieldbus.com\/gemac-academy-can-bus-basics\/"},"modified":"2023-05-05T08:12:45","modified_gmt":"2023-05-05T06:12:45","slug":"gemac-academy-can-bus-basics","status":"publish","type":"post","link":"https:\/\/alt.gemac-fieldbus.com\/en\/gemac-academy-can-bus-basics\/","title":{"rendered":"GEMAC Academy: CAN bus basics"},"content":{"rendered":"<div  class='flex_column av-16cvdqeg-bbe398ad3983a606006a75e58e8d9559 av_one_full  avia-builder-el-0  el_before_av_hr  avia-builder-el-first  first flex_column_div  '     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-ldvhnmlb-80cf08aa6c4c24da3b07fb14ba08df73\">\n#top .av-special-heading.av-ldvhnmlb-80cf08aa6c4c24da3b07fb14ba08df73{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-ldvhnmlb-80cf08aa6c4c24da3b07fb14ba08df73 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-ldvhnmlb-80cf08aa6c4c24da3b07fb14ba08df73 .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-ldvhnmlb-80cf08aa6c4c24da3b07fb14ba08df73 av-special-heading-h1 blockquote modern-quote  avia-builder-el-1  avia-builder-el-no-sibling '><h1 class='av-special-heading-tag '  itemprop=\"headline\"  >GEMAC Academy: CAN bus basics <\/h1><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-ldvho30w-830534fb88b477b7b822456f894304fb\">\n#top .hr.hr-invisible.av-ldvho30w-830534fb88b477b7b822456f894304fb{\nheight:30px;\n}\n<\/style>\n<div  class='hr av-ldvho30w-830534fb88b477b7b822456f894304fb hr-invisible  avia-builder-el-2  el_after_av_one_full  el_before_av_one_half '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n<div  class='flex_column av-13vnxld4-663b2be5a8d57e674798bad99db479db av_one_half  avia-builder-el-3  el_after_av_hr  el_before_av_one_half  first flex_column_div  '     ><p><section  class='av_textblock_section av-ldvhq3c5-ade8d91e9e7b8f2992b098c439bade29 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><p><strong>CAN (Controller Area Network)<\/strong> is a standardized bus system that enables the communication between electronic control units.<\/p>\n<p>CAN bus systems function like the nervous system in the human body. Just as the central nervous system connects the parts of the body, in a mobile machine the CAN bus connects the control units. Through this wiring, all components are thus linked via a common data network.<\/p>\n<\/div><\/section><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-ldvhpucd-780516bae82f2e97d5fed453eb60ce8e\">\n#top .hr.hr-invisible.av-ldvhpucd-780516bae82f2e97d5fed453eb60ce8e{\nheight:20px;\n}\n<\/style>\n<div  class='hr av-ldvhpucd-780516bae82f2e97d5fed453eb60ce8e hr-invisible  avia-builder-el-5  el_after_av_textblock  el_before_av_textblock '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n<section  class='av_textblock_section av-ldvhqf9u-84e2b711cdf4d9126e11d13b6317bb4f '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><p><strong>Learn more about<\/strong><\/p>\n<ul>\n<li>the optimal structure of a CAN bus,<\/li>\n<li>understand bus physics and<\/li>\n<li>you will receive tips for successful troubleshooting.<\/li>\n<\/ul>\n<\/div><\/section><\/p><\/div>\n<div  class='flex_column av-x3k7kh4-7eead7371b376dba5ddf86ca2fc6bde6 av_one_half  avia-builder-el-7  el_after_av_one_half  el_before_av_one_half  flex_column_div  '     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-ldvhp6t9-89004dd94ede13921db4f2576de1a605\">\n#top .hr.hr-invisible.av-ldvhp6t9-89004dd94ede13921db4f2576de1a605{\nheight:5px;\n}\n<\/style>\n<div  class='hr av-ldvhp6t9-89004dd94ede13921db4f2576de1a605 hr-invisible  avia-builder-el-8  el_before_av_image  avia-builder-el-first '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-ldvhszhe-754154cc92cab088adff325baefff759\">\n.avia-image-container.av-ldvhszhe-754154cc92cab088adff325baefff759 img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-ldvhszhe-754154cc92cab088adff325baefff759 .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-ldvhszhe-754154cc92cab088adff325baefff759 av-styling- avia-align-right  avia-builder-el-9  el_after_av_hr  avia-builder-el-last '   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img fetchpriority=\"high\" class='wp-image-161080 avia-img-lazy-loading-not-161080 avia_image ' src=\"https:\/\/alt.gemac-fieldbus.com\/wp-content\/uploads\/workers-5261734_web-845x684.jpg\" alt='GEMAC Academy: Grundlagen CAN-Bus' title='workers-5261734_web'  height=\"684\" width=\"845\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/alt.gemac-fieldbus.com\/wp-content\/uploads\/workers-5261734_web-845x684.jpg 845w, https:\/\/alt.gemac-fieldbus.com\/wp-content\/uploads\/workers-5261734_web-495x400.jpg 495w\" sizes=\"(max-width: 845px) 100vw, 845px\" \/><\/div><\/div><\/div><\/p><\/div>\n<div  class='flex_column av-s1ph4ko-00ce1e90e7029f621cab6c19198002bd av_one_half  avia-builder-el-10  el_after_av_one_half  el_before_av_one_half  first flex_column_div  column-top-margin'     ><div  class='avia-button-wrap avia-button-center  avia-builder-el-11  avia-builder-el-no-sibling '>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-ldvhwuue-3db13edcc3c9ab1c9250e1cbeb48e598\">\n#top #wrap_all .avia-button.av-ldvhwuue-3db13edcc3c9ab1c9250e1cbeb48e598{\nborder-style:none;\ntransition:all 0.4s ease-in-out;\n}\n#top #wrap_all .avia-button.av-ldvhwuue-3db13edcc3c9ab1c9250e1cbeb48e598:hover{\ncolor:white;\ntransition:all 0.4s ease-in-out;\n}\n#top #wrap_all .avia-button.av-ldvhwuue-3db13edcc3c9ab1c9250e1cbeb48e598:hover .avia-svg-icon svg:first-child{\nfill:white;\nstroke:white;\n}\n<\/style>\n<a href='' class='avia-color-theme-color avia-font-color-theme-color avia-button avia-button-fullwidth av-ldvhwuue-3db13edcc3c9ab1c9250e1cbeb48e598 avia-icon_select-yes-left-icon avia-color-theme-color'   aria-label=\"Register now\"><span class='avia_button_icon avia_button_icon_left avia-iconfont avia-font-entypo-fontello' data-av_icon='\ue827' data-av_iconfont='entypo-fontello' ><\/span><span class='avia_iconbox_title' >Register now<\/span><span class='avia_button_background avia-button avia-button-fullwidth avia-color-theme-color-highlight'><\/span><\/a><\/div><\/div><div  class='flex_column av-pyn2lrc-a2c923209fc7b2b6cefbf3e419dc00b5 av_one_half  avia-builder-el-12  el_after_av_one_half  el_before_av_hr  flex_column_div  column-top-margin'     ><\/div><\/p>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-ldvhxava-9daed6afba046b155572c209d6ecb8d7\">\n#top .hr.hr-invisible.av-ldvhxava-9daed6afba046b155572c209d6ecb8d7{\nheight:25px;\n}\n<\/style>\n<div  class='hr av-ldvhxava-9daed6afba046b155572c209d6ecb8d7 hr-invisible  avia-builder-el-13  el_after_av_one_half  el_before_av_section  avia-builder-el-last '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n<\/div><\/div><\/div><!-- close content main div --><\/div><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lecglfnn-f83eb9ff5e803aea873d1ed30cc10de2\">\n.avia-section.av-lecglfnn-f83eb9ff5e803aea873d1ed30cc10de2{\nbackground-color:#f6f6f6;\nbackground-image:unset;\n}\n<\/style>\n<div id='av_section_1'  class='avia-section av-lecglfnn-f83eb9ff5e803aea873d1ed30cc10de2 main_color avia-section-default avia-no-border-styling  avia-builder-el-14  el_after_av_hr  el_before_av_one_full  avia-bg-style-scroll container_wrap sidebar_right'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-small alpha units'><div class='post-entry post-entry-type-page post-entry-171991'><div class='entry-content-wrapper clearfix'>\n<div  class='flex_column av-le4vvfs-3bf7b01c1409252bd5ee12d338e45b2e av_one_third  avia-builder-el-15  el_before_av_one_third  avia-builder-el-first  first flex_column_div  '     ><section  class='av_textblock_section av-ldvhy67z-ae21433b19fa9e15c5bfb20ee909a6e8 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><h5 class=\"ld-item-title\"><strong>CAN in general<\/strong><\/h5>\n<ol>\n<li><span class=\"ld-topic-title\">History of CAN<\/span><\/li>\n<li class=\"ld-item-title\"><span class=\"ld-topic-title\">Areas of application today<\/span><\/li>\n<li class=\"ld-item-title\"><span class=\"ld-topic-title\">Advantages over other bus systems<\/span><\/li>\n<li class=\"ld-item-title\"><span class=\"ld-topic-title\">OSI layer model<\/span><\/li>\n<li class=\"ld-item-title\"><span class=\"ld-topic-title\">Higher layer Bus syste<\/span><span class=\"ld-topic-title\">m<\/span><span class=\"ld-topic-title\">s<\/span><\/li>\n<li class=\"ld-item-title\"><span class=\"ld-topic-title\">Bus system CANopen<\/span><\/li>\n<li class=\"ld-item-title\"><span class=\"ld-topic-title\">Bus system DeviceNet<\/span><\/li>\n<li class=\"ld-item-title\"><span class=\"ld-topic-title\">Bus system SAE J1939<\/span><\/li>\n<li class=\"ld-item-title\"><span class=\"ld-topic-title\">Communication types<\/span><\/li>\n<\/ol>\n<div><\/div>\n<\/div><\/section><\/div><div  class='flex_column av-fhi5qqw-ea00370e85229f99b963754eb7e963ec av_one_third  avia-builder-el-17  el_after_av_one_third  el_before_av_one_third  flex_column_div  '     ><section  class='av_textblock_section av-ldvhyfcf-163c8d7ec56104084afdd3df8d173b7e '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><h5><strong>Physical layer<\/strong><\/h5>\n<div id=\"ld-table-list-item-91890\" class=\"ld-table-list-item ld-table-list-item-91890 \">\n<ol>\n<li><span class=\"ld-topic-title\">Wiring structure<\/span><\/li>\n<li><span class=\"ld-topic-title\">Why twist?<\/span><\/li>\n<li><span class=\"ld-topic-title\">Cable quality<\/span><\/li>\n<li><span class=\"ld-topic-title\">Impedance<\/span><\/li>\n<li><span class=\"ld-topic-title\">Equivalent circuit diagram of a line<\/span><\/li>\n<li><span class=\"ld-topic-title\">Wave propagation, reflection<\/span><\/li>\n<li><span class=\"ld-topic-title\">Connectors<\/span><\/li>\n<li><span class=\"ld-topic-title\">Permitted topologies<\/span><\/li>\n<li><span class=\"ld-topic-title\">Symmetrical signal transmission<\/span><\/li>\n<li><span class=\"ld-topic-title\">Structure of a CAN transceiver<\/span><\/li>\n<li><span class=\"ld-topic-title\">Common Mode<\/span><\/li>\n<li><span class=\"ld-topic-title\">Shield voltage<\/span><\/li>\n<li><span class=\"ld-topic-title\">Signal quality<\/span><\/li>\n<li><span class=\"ld-topic-title\">Short circuits<\/span><\/li>\n<\/ol>\n<\/div>\n<\/div><\/section><\/div><div  class='flex_column av-b611oq0-8130a7e3e5ed271f6048fa10bc2885b5 av_one_third  avia-builder-el-19  el_after_av_one_third  avia-builder-el-last  flex_column_div  '     ><section  class='av_textblock_section av-ldvhyp71-12f0bc9a716f5b3f04275cfd2a40964a '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><div id=\"ld-table-list-item-91890\" class=\"ld-table-list-item ld-table-list-item-91890 \">\n<h5><strong>CAN-Protocol<\/strong><\/h5>\n<div id=\"ld-table-list-item-95100\" class=\"ld-table-list-item ld-table-list-item-95100 \">\n<ol>\n<li><span class=\"ld-topic-title\">Basic structure of a CAN telegram<\/span><\/li>\n<li><span class=\"ld-topic-title\">Prioritization of messages<\/span><\/li>\n<li><span class=\"ld-topic-title\">Extended Frames<\/span><\/li>\n<li><span class=\"ld-topic-title\">Bit Stuf<\/span><span class=\"ld-topic-title\">f<\/span><span class=\"ld-topic-title\">ing<\/span><\/li>\n<li><span class=\"ld-topic-title\">Telegram types<\/span><\/li>\n<li><span class=\"ld-topic-title\">Error-Frame counter<\/span><\/li>\n<li><span class=\"ld-topic-title\">Maximum bus load<\/span><\/li>\n<\/ol>\n<\/div>\n<\/div>\n<h5><strong>Bit timing<\/strong><\/h5>\n<\/div><\/section><\/div>\n<\/div><\/div><\/div><!-- close content main div --><\/div><\/div><div id='after_section_1'  class='main_color av_default_container_wrap container_wrap sidebar_right'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-small alpha units'><div class='post-entry post-entry-type-page post-entry-171991'><div class='entry-content-wrapper clearfix'>\n<div  class='flex_column av-72ru2co-c793ca11e198b6a360149795512c8a21 av_one_full  avia-builder-el-21  el_after_av_section  el_before_av_social_share  avia-builder-el-first  first flex_column_div  '     ><section  class='av_textblock_section av-ldvhziii-350303765b7cf307d52209f22c65cfeb '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><p><strong>Your contact for further questions:<\/strong><\/p>\n<p>Mr. Ralf Meischner \/ Support Fieldbus<\/p>\n<p>Phone: +49 371 3377-170<\/p>\n<p>Email: <a href=\"mailto:meischner@gemac-chemnitz.de\" target=\"_blank\" rel=\"noopener\">meischner@gemac-chemnitz.de<\/a><\/p>\n<\/div><\/section><\/div><div  class='av-social-sharing-box av-ldvi1oyc-52a452f79791c6717a84c771e971c47b av-social-sharing-box-square  avia-builder-el-23  el_after_av_one_full  avia-builder-el-last  av-social-sharing-box-color-bg av-social-sharing-box-same-width'><div class=\"av-share-box\"><ul class=\"av-share-box-list noLightbox\"><li class='av-share-link av-social-link-facebook avia_social_iconfont' ><a target=\"_blank\" aria-label=\"Share on Facebook\" 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