Quote:
Originally Posted by Jon Stratis
As CAN bus is implemented through daisy-chaining one module to the next, you need to be aware of total bus length and actively work to keep that to a minimum. Keep all the components close to each other any you won't have a problem... spread them out all over the robot so your bus is a meter+ long and you could run into issues.
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The CAN specification for 1 mbps CAN networks says a maximum of 40 meters. (ISO 11898-2) That would be some pretty bad wiring on a FRC robot... Shorter is better, for sure. The specs generally error on the strict side (which is good for a spec).