30-07-2012, 04:37 PM
CAN Advantages and Applications
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CAN was first created for automotive use, so its most common application is in-vehicle electronic networking. However, as other industries have realized the dependability and advantages of CAN over the past 15 years, they have adopted the bus for a wide variety of applications. Railway applications such as streetcars, trams, undergrounds, light railways, and long-distance trains incorporate CAN. You can find CAN on different levels of the multiple networks within these vehicles -- for example, in linking the door units or brake controllers, passenger counting units, and more. CAN also has applications in aircraft with flight-state sensors, navigation systems, and research PCs in the cockpit. You also can find CAN buses in many aerospace applications, ranging from in-flight data analysis to aircraft engine control systems such as fuel systems, pumps, and linear actuators.
Medical equipment manufacturers use CAN as an embedded network in medical devices. In fact, some hospitals use CAN to manage complete operating rooms. Hospitals control operating room components such as lights, tables, cameras, X-ray machines, and patient beds with CAN-based systems. Lifts and escalators use embedded CAN networks, and hospitals use the CAN open protocol to link lift devices, such as panels, controllers, doors, and light barriers, to each other and control them. CANopen also is used in non-industrial applications such as laboratory equipment, sports cameras, telescopes, automatic doors, and even coffee machines
The CAN protocol is being used beyond automotive applications as a generic embedded communication system for microcontrollers, as well as a standardized communication network for industrial control systems. CAN protocol has gained widespread popularity in industrial automation and automotive/truck applications.
CAN Benefits
CAN provides an inexpensive, durable network that helps multiple CAN devices communicate with one another. An advantage to this is that electronic control units (ECUs) can have a single CAN interface rather than analog and digital inputs to every device in the system. This decreases overall cost and weight in automobiles. Each of the devices on the network has a CAN controller chip and is therefore intelligent. All devices on the network see all transmitted messages. Each device can decide if a message is relevant or if it should be filtered. In addition, every message has a priority, so if two nodes try to send messages simultaneously, the one with the higher priority gets transmitted and the one with the lower priority gets postponed.
Other markets where networked solutions can bring attractive benefits like medical equipment, test equipment and mobile machines are also starting to utilize the benefits of CAN.
CAN Application Areas:-
Consumer Electronics
Home Appliance
Industrial
Lighting
Medical Applications
Metering
Power Supply
Safety/Security
Sensing
Telecommunication
Automation.
Conclusions
In large part, the CAN protocol has been widely accepted in automotive applications because of its robust nature of message error detection, handling, and confinement as well as its high-speed capabilities and multicast nature. Due to its popularity, many chipsets for CAN are available from multiple sources. Fortunately, CAN 2.0 document public so that many applications could use this well thought-out protocol.
[attachment=29589]
CAN was first created for automotive use, so its most common application is in-vehicle electronic networking. However, as other industries have realized the dependability and advantages of CAN over the past 15 years, they have adopted the bus for a wide variety of applications. Railway applications such as streetcars, trams, undergrounds, light railways, and long-distance trains incorporate CAN. You can find CAN on different levels of the multiple networks within these vehicles -- for example, in linking the door units or brake controllers, passenger counting units, and more. CAN also has applications in aircraft with flight-state sensors, navigation systems, and research PCs in the cockpit. You also can find CAN buses in many aerospace applications, ranging from in-flight data analysis to aircraft engine control systems such as fuel systems, pumps, and linear actuators.
Medical equipment manufacturers use CAN as an embedded network in medical devices. In fact, some hospitals use CAN to manage complete operating rooms. Hospitals control operating room components such as lights, tables, cameras, X-ray machines, and patient beds with CAN-based systems. Lifts and escalators use embedded CAN networks, and hospitals use the CAN open protocol to link lift devices, such as panels, controllers, doors, and light barriers, to each other and control them. CANopen also is used in non-industrial applications such as laboratory equipment, sports cameras, telescopes, automatic doors, and even coffee machines
The CAN protocol is being used beyond automotive applications as a generic embedded communication system for microcontrollers, as well as a standardized communication network for industrial control systems. CAN protocol has gained widespread popularity in industrial automation and automotive/truck applications.
CAN Benefits
CAN provides an inexpensive, durable network that helps multiple CAN devices communicate with one another. An advantage to this is that electronic control units (ECUs) can have a single CAN interface rather than analog and digital inputs to every device in the system. This decreases overall cost and weight in automobiles. Each of the devices on the network has a CAN controller chip and is therefore intelligent. All devices on the network see all transmitted messages. Each device can decide if a message is relevant or if it should be filtered. In addition, every message has a priority, so if two nodes try to send messages simultaneously, the one with the higher priority gets transmitted and the one with the lower priority gets postponed.
Other markets where networked solutions can bring attractive benefits like medical equipment, test equipment and mobile machines are also starting to utilize the benefits of CAN.
CAN Application Areas:-
Consumer Electronics
Home Appliance
Industrial
Lighting
Medical Applications
Metering
Power Supply
Safety/Security
Sensing
Telecommunication
Automation.
Conclusions
In large part, the CAN protocol has been widely accepted in automotive applications because of its robust nature of message error detection, handling, and confinement as well as its high-speed capabilities and multicast nature. Due to its popularity, many chipsets for CAN are available from multiple sources. Fortunately, CAN 2.0 document public so that many applications could use this well thought-out protocol.