Quote:
Originally Posted by techhelpbb
...I am not being overly critical of the Jaguar, but FRC11 finally decided to stop fielding them and they now are in a box in my one shop as a result. ...
I look at branches and star in a similar way. It would seem to be an interesting rabbit hole. The recommended design does work so why invest in the alternative?
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The CRio Canbus was RS232 to the first jaguar. That limited throughput to the CRio to 9600 BPS. There were significant programming gotchas on the CRio Canbus implementation. For instance it didn't do well with being loaded with more data than the throughput could handle. I think many issues blamed on Jaguars and wiring was actually programming. Anyway as a system the Canbus Jaguars were problematic. The current Roborio/Talon SRX is way better.
By standard, the maximum recommended stub length is .3 M. Which limits star configurations. Although with the short bus length of your typical FRC robot, you can get away with a lot, but I would stick to the standard. TI has a good application paper on CANBUS
here.