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Topic: Controller Area Network

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	CANbus USA - also known as CAN bus or Controller Area Network
		CAN (also referred to as CANbus or CAN bus) is a network used in many every-day products consisting of multiple microcontrollers that need to communicate with each other.
		CAN is implemented in hardware in microcontrollers of more than 22 chip manufacturers.
		Additional network functionality like which node talks to which others, when to trigger transmit messages, how to transmit data longer than 8 byte - all of these functions are specified in so-called higher-layer protocols (in network terms, CAN is a layer 2 implementation - higher layers are implemented in software).
	www.canbus.us (340 words)

	Controller Area Network (CAN) infrastructure [LWN.net]
		CAN is a serial bus network commonly used in automotive and industrial control applications.
		Since CAN is a network, CAN controller drivers are implemented as network devices with a few extras provided by a CAN class device.
		CAN frame aren't a whole number of octets so the user recv()'s and send()'s 'struct can_frame's which include all the header bits and the 8 octets of payload.
	www.lwn.net /Articles/168960 (667 words)

	Vector [Controller Area Network Basics]
		CAN, which was developed by Bosch in the early 1980's and became an international standard (ISO 11898) in 1994, was specially developed for fast serial data exchange between electronic controllers in motor vehicles.
		As a result up to 2048 different CAN messages may be differentiated from one another in a CAN network.
		CAN is based on a multimaster architecture: All controllers have equal standing and have Master functionality.
	www.vector-cantech.com /va_controller_area_network_us.html (305 words)

	CANOBD2.com - OBD Diagnostics Made Simple
		CAN, or CAN Bus, is the abbreviated term for Controller Area Network.
		During that time, CAN bus was mainly used for highly sophisticated industrial machines, but by the early 1990's, car manufacturers saw it as a way to help with their communication challenges.
		The CAN system provided car manufacturers a new high-speed connection, usually 50 to 100 times faster than the typical communication protocols, and reduced the number of connections required to communicate between their systems.
	www.canobd2.com /knowledge/what_is_can.asp (448 words)

	What is controller area network? - A Word Definition From the Webopedia Computer Dictionary
		There is no addressing scheme used in controller area networks, as in the sense of conventional addressing in networks (such as Ethernet).
		Beyond automobiles, controller area networks can be used as an embedded communication system for microcontrollers as well as an open communication system for intelligent devices.
		The controller area network, first developed by Robert Bosch in 1986, is documented in ISO 11898 (for applications up to 1 Mbps) and ISO 11519 (for applications up to 125 Kbps).
	www.webopedia.com /TERM/C/controller_area_network.html (319 words)

	Controller Area Network (CAN)
		CAN (Controller Area Network) is a serial bus system, which was originally developed for automotive applications in the early 1980's.
		CAN, which is by now available from around 40 semiconductor manufacturers in hardware, provides two communication services: the sending of a message (data frame transmission) and the requesting of a message (remote transmission request, RTR).
		This means a CAN controller is comparable to a printer or a type writer.
	www.can-cia.org /can (248 words)

	DETSC CAN FAQ
		CAN can be theoretically linked up to 2032 devices (assuming one node with one identifier) on a single network.
		CAN was first developed by Robert Bosch GmbH, Germany in 1986 when they were requested to develop a communication system between three ECU's (electronic control units) in a vehicle by Mercedes.
		CAN uses bit arbitration technique in which the priority of accessing the bus is determined by the 11-bit identifier.
	www.warwick.ac.uk /devicenet/can_faq.htm (1092 words)

	controller area network - Ultrawideband Planet
		Controller area networks were first developed for use in automobiles.
		Beyond automobiles, controller area networks can be used as an embedded communication system for microcontrollers as well as an open communication system for intelligent devices.
		The controller area network, first developed by Robert Bosch in 1986, is documented in ISO 11898 (for applications up to 1 Mbps) and ISO 11519 (for applications up to 125 Kbps).
	uwb.webopedia.com /TERM/C/controller_area_network.html (253 words)

	CAN in Automation (CiA): Controller Area Network (CAN)
		CAN is the leading serial bus system for embedded control.
		CAN is a mainstream network and was internationally standardized (ISO 11898–1) in 1993.
		The CAN in Automation (CiA) nonprofit organization has released the version 1.6 of the CiA 303-1 CANopen additional specification for cabling and connector pin assignment.
	www.can-cia.org (235 words)

	Keil Controller Area Network (CAN) Overview
		CAN (Controller Area Network) is a serial data bus for real-time applications.
		CAN was originally developed for use in the automotive industry (and is sometimes called Car Area Network) but is receiving widespread use in a wide variety of embedded applications like industrial control where high-speed communication is required.
		You may create your own CAN drivers, you may use Infineon's DAvE to create CAN drivers, or you may use CAN drivers available from Keil or from other third party tool vendors.
	www.keil.com /can (122 words)

	IXXAT [Artikel CAN Introduction]
		In addition, in connection with extended areas of application and requirements, performance features and architectures of integrated CAN controllers are continually being optimized and extended in terms of functions.
		As in a CAN network every node can begin with the transmission of a message as soon as the bus is free, it is possible several nodes begin with a transmission process at the same time.
		If a network node detects a dominant bus level (dominant bit), although it has switched a recessive level (recessive bit) itself, it aborts the transmission process immediately, as in this case a message with higher priority is obviously being transmitted at the same time, and goes into the receive state.
	www.ixxat.com /can_introduction_en,7521,5873.html (1837 words)

	Controller Area Network (CANbus) - TDS2020F Technical Manual
		The Controller Area Network data rate can be from 10kbit/s to 1Mbit/s giving recommended distances of 40 to 1000 metres over two twisted pairs, one for the data, the other to carry power and ground.
		Controller Area Network is a bus operating at RS485 levels, 0V and +5V in push-pull to give common mode immunity.
		The number of nodes which the network can support depends on cable lengths and bit rate, but the CAN bus driver chips are specified for at least 110 nodes.
	www.triangledigital.com /man2020f/ch7can.htm (3618 words)

	Industrial Controller Area Network (CAN) Applications
		The controller area network (CAN) is a serial, asynchronous, multimaster communication protocol for connecting electronic control modules in automotive and industrial applications.
		CAN was designed for applications needing high-level data integrity and data rates of up to 1 Mbit/s.
		Controlling these devices intelligently and accurately is the key to controlling the system.
	www.freescale.com /webapp/sps/site/application.jsp?nodeId=012795pnQYK84s4J11 (1428 words)

	TechOnline \| Controller Area Network: An Introduction
		Forced by the increasing number of distributed control systems in cars and the increasing wiring costs of car body electronics, the availability of a powerful and reliable serial data communication system for the exchange of messages between the different control units was becoming urgent.
		The error detection capability of the CAN protocol is further improved by checking of fixed format elements and by checking of the CRC segment through a receiver of a message, providing a means for detecting of only locally effective errors with a very high probability.
		Therefore in each CAN controller there is a counter for counting of transmission and receiving errors and for performing a sophisticated error management.
	www.automotivedesignline.com /showArticle.jhtml?articleID=192200439 (1634 words)

	What is CAN? - Controller Area Network Modern Machine Shop - Find Articles (Site not responding. Last check: )
		CAN, standing for Controller Area Network, is a bus architecture communications technology developed during the mid 1980s by Robert Bosch GmbH of Germany.
		CAN's benefit to machine tools are the same as for automobiles and trucks - elimination of large bundles of wires and their associated high labor cost.
		All three of the U.S. suppliers of CAN networks consider their system to be "open" since they are all based on open CAN architecture, yet today there is no interchangeability of devices between networks because of application layer differences.
	www.findarticles.com /p/articles/mi_m3101/is_n11_v67/ai_17000396 (867 words)

	MegaSquirt-II Controller Area Network
		CAN is a serial bus system especially suited for networking "intelligent" devices as well as sensors and actuators within a system or sub-system.
		CAN is a serial bus system with multi-master capabilities (meaning all CAN nodes are able to transmit data and several CAN nodes can request the bus simultaneously).
		CAN may implemented using different physical layers, some of which are described here, and there are also a fair number of connector types in use.
	www.megamanual.com /ms2/CAN.htm (2652 words)

	Controller Area Network Solutions - FAQ
		Controller Area Network (CAN) technology, as its name implied, is the network established among microcontrollers.
		CAN was first established for automobile by Bosch GmbH in mid 1986.
		As you might have read from the Bosch CAN specification, or ISO 11898, that a message is considered valid to the CAN transmitter when there is no error until the last bit of the End of Frame (EOF).
	www.cans.com.my /modules.php?name=FAQ&myfaq=yes&id_cat=1&categories=CAN (1253 words)

	TechOnline \| Controller Area Network: An Introduction
		Forced by the increasing number of distributed control systems in cars and the increasing wiring costs of car body electronics, the availability of a powerful and reliable serial data communication system for the exchange of messages between the different control units was becoming urgent.
		The error detection capability of the CAN protocol is further improved by checking of fixed format elements and by checking of the CRC segment through a receiver of a message, providing a means for detecting of only locally effective errors with a very high probability.
		Therefore in each CAN controller there is a counter for counting of transmission and receiving errors and for performing a sophisticated error management.
	techonline.com /article/192200439 (1640 words)

	What is CAN (Controller Area Network)? :: Gendan Automotive Products
		Controller Area Network (or CAN) is the latest communication system within the automotive world.
		At its simplest level, it can be thought of as a means of linking all of the electronic systems within a car together to allow them to communicate with each other.
		The CAN technology was first developed by Bosch for industrial use, but was quickly recognised as a powerful system for in-car use.
	www.gendan.co.uk /article_9.html (501 words)

	CAN Data Bus - Controller Area Network
		Wiring from sensors only needs to extend to the nearest control unit, where the monitored data are processed to generate data telegrams for transmission to the CAN data bus.
		Actuators can also receive control signals from a different control unit which receives the data telegram through the CAN bus and then uses this information to calculate a control parameter for the actuator.
		vehicle speed signal), it can be assumed if a fault is displayed by all systems which use a particular signal, that the sensor is defective or that the control module which processes the signal is faulty.
	www.launch-techs.com /Support/Info/can-bus.htm (446 words)

	CONTROLLER AREA NETWORK, HOW IT WORKS
		All other nodes on the network receive the message and each performs an acceptance test on the identifier to determine if the message, and thus its content, is relevant to that particular node.
		CAN uses Non Return to Zero (NRZ) encoding (with bit-stuffing) for data communication on a differential two wire bus.
		Measurements needed by several controllers can be transmitted via the bus, thereby removing the need for each controller to have its own individual sensor.
	www.mjschofield.com /canworks.htm (1363 words)

	CANopen USA - technology based on CANbus, CAN bus, Controller Area Network
		CANopen is a higher-layer protocol for the CANbus, CAN bus, Controller Area Network
		CANopen is based on CAN (Controller Area Network) which is implemented in hardware in microcontrollers of more than 22 chip manufacturers.
		Designing Devices Using CAN and CANopen Buses for Networking is an article that was published in Medical Electronics Manufacturing and shows how CANopen is used in some medical applications.
	www.canopen.us (457 words)

	www.CAN-ControllerAreaNetwork.com - CAN Controller Area Network - CANopen
		Nucleus CAN is our implementation of the ISO 11898 standard for Controller Area Network (CAN), created to provide a standard for connecting devices over a serial bus.
		Controller Area Network (CAN) experts and leaders in the application of this technology in automating and improving machine efficiency.
		CAN is an ideal technology for device-level networks that connect sensors, embedded controllers or programmable logic controllers (PLCs)..
	www.oemtechnology.com /can-controllerareanetwork/index213.html (1859 words)

	Microchip PIC CAN Development Kit
		It is the economical way to get started in Controller Area Network development, containing everything you need: a step-by-step tutorial, software drivers, the full version PIC C compiler, and of course the board itself with power supply and cables, all in a convenient carrying case.
		Each controller connected to the network is called a node and is able to transmit and receive messages from the network.
		CAN drivers and example code to use the CAN peripheral in the 18F458 and the MCP2510.
	microcontrollershop.com /product_info.php?cPath=112_95&products_id=557 (390 words)

	PF_CAN [LWN.net]
		The Controller Area Network (CAN) specification describes a networking stack aimed at a specific environment: embedded, realtime controller networks.
		From there, sockets can be bound, read from, and written to in all the usual ways.
		CAN is also used to communicate with onboard systems from external diagnostic and monitoring systems.
	lwn.net /Articles/253425 (1466 words)

	Embedded Systems Academy - Training and Consulting Services - Experts for CANopen, CANbus, CAN bus, Controller Area ...
		CAN, CANopen Resources for the Controller Area Network and CANopen
		Embedded Networking Society Recommended Practices for multiple networks
		In addition we focus on topics such as time-to-market, quality improvement and embedded networking applications using Controller Area Network (CAN, CANbus), CANopen and Embedded Internetworking.
	www.esacademy.com (267 words)

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