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Unread 12-05-2010, 10:57
Hugh Meyer's Avatar
Hugh Meyer Hugh Meyer is offline
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Re: Using a star configuation for Jaguars on CAN

Dale,
We used Ethernet UTP cable with the six pin connector. We found it best to only connect the two center pins, which are the CAN_H and CAN_L signals. I would suggest NOT connecting the pin labeled ground. The ground signal just creates ground loops and is not needed. After we disconnected the ground circuit our system became much more stable. We had 8 Jaguars on the bus. Our final cable configuration was just two conductors, one twisted pair. We would remove the other unused wires from the cable assembly by pulling them out. I always had the students test the cables with an ohm meter and in a working loop before declaring them done. We put shrink tubing on the resistor leads to prevent them from shorting to each other when we assembled the terminator.
Hugh
 


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