Quote:
Originally Posted by mikets
Here are the pictures of the 12-port CAN hub (part 1 of 2).
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Sorry that I'm late to the party, I found my way here by a link from a different thread.
I'm curious how the CAN hub is holding up during testing. It is an interesting tradeoff between cable reliability and signal reflection. How many places are you terminating? What are your cable lengths?
If I remember my CAN math correctly (and honestly it has been >2 years since I've done any form of line reflection analysis), at 1 megabit those taps should be limited to a third of a meter. But I think that was assuming an electrically significant distance between the taps.
Could you scope the bus and see what the reflections look like? If it works, this could be really handy.
PS: Maybe this needs to be spun out into a different thread.