23-02-2012, 23:12
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Passionate FIRST-er, CD donor
AKA: Gerry
 FRC #0578 (Red Raider Robotics) Team Role: Mentor
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Join Date: Jan 2012
Rookie Year: 2008
Location: Rochester, NY
Posts: 255
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Re: Wiring Victor output to both motor and analog in
I would not connect the output of a Victor (or Jaguar) directly to the analog module. The motor controllers use a bridge circuit for switching the voltage in both directions. It has the effect of the motor seeing either +12V or -12V, but that's not reference to ground (battery return). The analog module is a single-side measuring circuit, reference to ground. You would need a translation circuit in between to make the measurement work safely.
__________________
Cal
R3: Red Raider Robotics (FRC Team 578)
Fairport, NY, USA
www.FairportRobotics.org
2016 Finger Lakes Regional: Semifinalist on Alliance 7 (1128, 2010, 578)
2016 NYC Regional: Finalist on Alliance 3 (3419, 578, 3017), 4th seed team, Team Spirit Award
2015 Finger Lakes Regional: 8-3-0 in qualification, 7th seed, Quarterfinalist
2014 NY Tech Valley Regional: 8-4-0 in qualification, 13th seed, Semifinalist
2013 Finger Lakes Regional: 4-5-0 in qualification, 26th seed, Alliance 6, 1-2 in tournament
2012 Buckeye Regional: Gracious Professionalism Award, 7-3-0, 14th seed
2011 Finger Lakes Regional: Engineering Inspiration Award
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