Quote:
Originally Posted by Mark McLeod
You see the problem. This is a CAN-bus we're dealing with, not an alternating CAN/RS232 hybrid. A CAN-port won't talk to an RS232-port of course, they speak different languages.
The Black Jaguars are intended only as a converter from RS232 to CAN at the start of an uninterrupted CAN bus, they don't have enough CAN ports to form a traditional CAN daisy chain, only the Gray's have the CAN ports to continue a daisy chain.
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That's not quite true. While CAN and RS232 are completely different, the wires for them are also completely different. If you put together the RS232 to CAN adapter, you put a resistor between the Red and Green wires. Those are the 2 CAN wires. All the other ones plugged into the DB-9 connector are the Serial wires. As long as the CAN to CAN cables were assembled properly (double check that btw), 2 Black Jags should be able to be on the same bus.
Also, try messing with your configuration. Change the order of jags daisy-chained, try a different jag as the serial to CAN, swap around cables. You might have happened to put a bad connection between the source black jag and the 2nd one, breaking the bus
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02-03-2010, 22:05
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