auto bit rate detection

Definition for: auto bit rate detection

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auto bit rate detection

In this mode, a CAN node listens only to the bus traffic, and when a valid message is detected, it acknowledges the received frame. If no valid message is detected, the CAN node switches automatically to the next pre-configured bit rate. There has to be one and only one node in the network that transmits messages. Many modern CAN controller chips support automatic bit rate detection. The same can be achieved by external circuitry.

Source CANdictionary (2016) - CiA CAN in Automation -