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Unread 19-02-2016, 12:33
alambert14's Avatar
alambert14 alambert14 is offline
Student Programmer
AKA: Abby Lambert
FRC #2035 ("Rockin" Bots)
Team Role: Programmer
 
Join Date: Apr 2014
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Location: Carmel
Posts: 14
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Wiring Multiple PCMs

Our team is using lots of pneumatics this year, enough that we need 2 PCMs on the robot. There was not enough room on the power distribution board to wire 2 PCMs and a VRM, so we split the wires for one to power both of the PCMs, which may be problematic considering most people say that each PCM has to be on its own circuit.

However, even if we can power them both, we do not know how we would wire the CAN wires to the power distribution board, considering there are only two spots to connect CAN wires (one for the roboRIO and another free one). We can't split those wires because we need to talk to each PCM individually with the code.

If any of you guys have been able to pull this off, could you let us know how you wired it? Worst case scenario we can always get rid of two of our solenoids and split the air instead (bringing us back down to 1 PCM), but we would really like to have 2. Thanks!
 


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