6/15/2023 0 Comments Can bus high and low![]() The devices that are connected by a CAN network are typically sensors, actuators and control devices. Today the CAN bus is also used as a fieldbus in general automation environments. The CAN bus may be used in vehicles to connect engine control unit and transmission, or (on a different bus) to connect the door locks, climate control, seat control, etc. ![]() The CAN standard was devised to fill this need. CAN is a multi-master broadcast serial bus standard for connecting electronic control units (ECUs). Some of these form independent subsystems, but communications among others are essential. Usually the biggest processor is the engine control unit, others are used for transmission, airbags, antilock braking, cruise control, audio systems, windows, doors, mirror adjustment, etc. CAN become become most available OBD standard for vehicles produced after 2007 yrs.Ī modern automobile may have up to 50 electronic control units (ECU) for various subsystems. The protocol was officially released in 1986 by the Society of Automotive Engineers (SAE). ![]() CAN-bus was designed for automotive applications but is also used in other areas.
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