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Re: NI roboRIO
The recommendation for CAN cabling is twisted pair but not shielded. CAN is a differential bus, so neither signal is typically grounded, and if you were to ground something, it would be the shield that would surround both signal wires.
From the beta images I've seen thus far, most teams aren't even using twisted wires, just two adjacent wires. There will be documentation for CAN wiring. I believe that beta teams have it now and like everything else, it is being scrutinized.
Greg McKaskle
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