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#1
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CAN connection on roboRio.
This is my first year on the Robotics team. I have familiarized myself with the RJ12-Serial connection for the CAN BUS on the cRio.
I was wondering how CAN will work on the new roboRio with Jaguars, since there is no serial port. Do I only use the CAN - H and CAN - L wires of the RJ12 cable and connect it to the RoboRio? Should I use a a different gauge wire to connect the wires to the roboRio? If so, would it cause bottle-necking? Would I need a terminating resistor on the roboRio, or does it act like one itself? Thanks. |
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#2
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Re: CAN connection on roboRio.
The implementation of CAN on the RoboRIO only uses CANH and CANL. The RoboRIO has an integrated termination resistor.
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#3
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Re: CAN connection on roboRio.
Would the 2 wires be able to fit the connectors, or should I use a different gauge wire?
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#4
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Re: CAN connection on roboRio.
The roboRIO has 2 serial ports, but it also has a dedicated CAN interface, so you should certainly use that instead of the serial ports for controlling Jags.
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#5
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Re: CAN connection on roboRio.
The CAN connectors on the 2015 system fit 16 to 24 gauge wire.
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#6
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Re: CAN connection on roboRio.
The JAGs have a built in RS232 port that is on the same receptacle as one of the CAN bus ports. Since the RoboRio has a CAN port you will not use the RS-232 port on the JAG. So yes, wire the Can H & L to the jags & ignore the RS-232 port on the Jag. Just like the Jags on the old system that was not directly connected to the Crio.
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