Body bus

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The body bus or K-bus is a communication bus and belongs to the field buses , it is used where the use of expensive bus systems is prohibited. A widespread area of ​​application is diagnostic communication in motor vehicles.

The K-Bus uses ISO-9141 on the bit transmission layer. It is a simple serial UART communication that can be used for data rates up to a maximum of 20 kbit / s.

The K-bus is a proprietary solution that is increasingly being replaced by the LIN bus .

See also

literature

  • Bernd Pfaffeneder: Bit transmission layer of a vehicle-compatible sensor-actuator bus. Dissertation TU-Munich 2004
  • Werner Zimmermann and Ralf Schmidgall: Bus systems in vehicle technology - protocols, standards and software architecture . Vieweg + Teubner, 4th edition, 2010, ISBN 978-3-8348-0907-0