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| - | ====== CAN Frequently Asked Questions ====== | ||
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| - | This [[CAN_FaqLinks]] page contains a collection of other FAQs on the web. | ||
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| - | * What is the future of CAN ? | ||
| - | * [[CAN FD|CAN with flexible data rate - CAN FD]] - will be introduced by Bosch in March 2012 on th 13th international CAN Conference | ||
| - | * Why maintaining it this way? | ||
| - | * Because if many experts are contributing, | ||
| - | * What is CAN? | ||
| - | * try to answer it here or see http:// | ||
| - | * What is [[can_fd|CAN with flexible Data Rate]] CAN FD | ||
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| - | * Where is CAN used? | ||
| - | * http:// | ||
| - | * When was CAN invented? | ||
| - | * http:// | ||
| - | * Where do I get the standards from? | ||
| - | * The only place is http:// | ||
| - | * How does CAN work? | ||
| - | * http:// | ||
| - | * An older CiA presentation describing the physical layer, can be found at http:// | ||
| - | * Another CiA presentation describing the data link layer DLL http:// | ||
| - | * Different CAN implementations in silicon are described in http:// | ||
| - | * CAN application fields http:// | ||
| - | * What kind of physical layer is used? | ||
| - | * http:// | ||
| - | * Why is my CAN not working ? Here are some [[Problem Solving Questions]] | ||
| - | * What are Error Active, Error Passive, and Bus off of CAN Bus? | ||
| - | * read more: CanFaqErrors: | ||
| - | * What are commonly used bit rates? | ||
| - | * read more: [[can_bitrates | CAN FAQ Bitrates]] | ||
| - | * Can a CAN Transceiver blow-up when connected to RS232? | ||
| - | * read more: CanFaqBlowUpRS 232 | ||
| - | * What is the difference between Basic CAN and Full CAN? | ||
| - | * read at [[can_faq_basic_full | CAN FAQ Basic-Full-CAN]] | ||
| - | * What is TTCAN | ||
| - | * Time Triggered CAN - to make CAN more predictable. All you need to know at a first glance can be found at the [[http:// | ||
| - | * What connectors are used ? See CanConnectors | ||
| - | * depends of the suggestions made in higher layer protocols. The most different kind of connectors and there pinning are described in the CiA paper CiA DR 303-1 V 1.1.1 part 1: CANopen Cabling and Connector Pin Assignment. Version 1.0 can be found at: http:// | ||
| - | * Some can also be found directly here: http:// | ||
| - | * Beware! Some manufacturers use proprietary pinning! | ||
| - | * [[what_is_wrong_with_rtr | What is wrong with RTR]] ? using remote transmission requests | ||
| - | * What is [[can_message_filtering | CAN message filtering]] ? | ||
| - | * How is the BusOff handled by the CAN controllers? | ||
| - | * What is the maximum CanCableLength ? | ||
| - | * What is GMLAN ? General Motors CAN protocol. https:// | ||
| - | * Is the filter for CAN messages before or after the receiver/ | ||
| - | * jk: ACK is always sent by all enabled nodes receiving a valid frame that are not the transmitter of the frame. Filtering only determines whether or not the received message gets stored in a mailbox, and for controllers with multiple filters, which mailbox. Filtering comes after the ACK is sent. | ||
| - | * pk: You may also have to set the acceptance filter much wider and do the final filtering in the software, the ACK mechanism would still not be an indication that someone is actually interested in your message. | ||
| - | * What is Fault Tolerant CAN ? | ||
| - | * See ISO 11898-4 | ||
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