CODEWITHSUNDEEP
can-bus
Rajesh Prathipati
Rajesh Prathipati

Reputation: 11

Exact cause if two can messages with same ID at same time txs

plz can anyone help me out what exactly will happen if two can messages of same IDS and transmitting at same time with diff payload/same payload??? need to know little depth!!!

Upvotes: 0

Views: 935

Answers (1)

Lundin
Lundin

Reputation: 213398

In case the arbitration fields are identical, but data is different, the first transmitter that attempts to send a recessive bit but detects a dominant bit instead, will flag for bit error and the data frame will be rejected.

If two nodes attempt to send a message with identical identifier and payload, neither transmitter will complain and the message will be sent successfully.

Duplicate of this question at electronics.stackexchange.com.

Upvotes: 2

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