acknowledge (ACK) slot

Definition for: acknowledge (ACK) slot

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acknowledge (ACK) slot

The first bit of the acknowledge field. It is transmitted recessively by the message­ sending node, and it is transmitted dominantly by all receivers, which have performed the CRC (cyclic redundancy check) successfully. If the message­ producing node detects this bit as dominant, it knows that there is at least one node that has received the message correctly.

Source CANdictionary (2016) - CiA CAN in Automation -