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Unread 18-11-2011, 10:34
jwakeman jwakeman is offline
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Re: Jaguars not passing CAN communications

I have four black jaguars i want to include in my network. Right now I can only see one jaguar at a time. I am able to communicate with all four Jaguars individually but if I try to chain two together i only see the first in the chain.

Quote:
Originally Posted by linuxboy View Post
Hi all,
So I made a post a while ago about only seeing the first Jaguar in the chain.
Can you post a link for that thread here? It may be helpful to me.

Quote:
Originally Posted by Alan Anderson View Post
Rule of thumb: When you have a problem on a CAN bus, look for a termination issue at the other end of the chain from where the problem manifests itself. If the first couple of Jaguars work but any farther ones do not, check the termination at the end closest to the cRIO.
I made the cable to connect the rs232 port to the first black Jag. I included the terminating resistor in the CAN plug end of the cable instead of in the RS-232 plug. The cable is probably 2 or 3 feet long. Do you think this could be causing the issue i described above? I can explain my cable construction more clearly if required..
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