All Questions
5
questions
0
votes
1
answer
126
views
STM32 Can bus random data
I am using an STM32 to transmit data over CAN using CAN2. Currently, my code is only setting up the can peripheral and sending periodic messages.
My messages usually look like this on the receiving ...
0
votes
1
answer
150
views
CAN-Bus Message confusion
Can anyone tell me what the difference between these two sets of CAN Bus messages? This is from the manual of a Power Drive Unit (PDU) in the Cargo Handling System of a 747F (UPS Freight). This is the ...
0
votes
0
answers
69
views
ID collision on CANOpen SDO
I am working on a remote control module to control my heating boiler remotely. The boiler uses CANOpen 125k.
My module transmits periodically SDO requests to read temperatures and other parameters. ...
1
vote
1
answer
77
views
CAN physical layer flexibility
I'm considering designing a CAN bus (CANopen) where part of the bus, closest to each node, does not use twisted pair. Partially the bus will run in a DSUB, but partially through stackable header or ...
1
vote
4
answers
3k
views
CAN Bus Dominant and Recessive?
Why does CAN Bus represents signals with an inverted logic, high voltage for a logic 0 and low voltage for a logic 1?
Is there any advantage in doing so?