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Motors not running in reverse moto monster.

Discussion in 'New users start here - FAQ' started by Deaglex, Aug 27, 2017.

  1. Deaglex

    Deaglex New Member

    Joined:
    Jun 15, 2017
    Messages:
    17
    Location:
    United States
    Balance:
    86Coins
    Ratings:
    +0 / 0 / -0
    My Motion Simulator:
    DC motor, JRK
    For some reason I can't get the wiper motors to run in reverse( dow n. I had different motors hooked up that worked perfectly, but there wasn't enough holding torque. I swapped out for a pair of 12v wiper motors, now in smc3 they move forward with the potentiometer but not in reverse. I switched polarity of the wiring, that didn't work either ( the motors will only turn counterclockwise while hooked to the shield). Potentiometers work perfectly in smc3 utilities. I have hooked up the motors directly to the PSU and they work great both forward and reverse. I didn't change any of the code in arduino. And the PSU is more than enough. I am out of ideas on what to do.

    Here's the wiring which is right, it's a mess since I ran out of 18 gauge wire I tried cat5 but it was too noisy for the pots( hence the speaker wire). Testing only.
    IMG_20170827_131146.jpg

    Motor:
    IMG_20170827_131205.jpg

    I also ran smc3 utilities on my laptop instead of my desktop which the original was on. All the setting are the same.
    Deaglex, Aug 27, 2017
    #1
  2. Pit

    Pit - - - - - - - - - - - - - - - - Gold Contributor

    Joined:
    Oct 2, 2013
    Messages:
    3,013
    Location:
    Switzerland
    Balance:
    30,416Coins
    Ratings:
    +3,088 / 31 / -0
    My Motion Simulator:
    DC motor, Arduino, 6DOF
    • Informative Informative x 1
    Pit, Aug 27, 2017
    #2
  3. Deaglex

    Deaglex New Member

    Joined:
    Jun 15, 2017
    Messages:
    17
    Location:
    United States
    Balance:
    86Coins
    Ratings:
    +0 / 0 / -0
    My Motion Simulator:
    DC motor, JRK
    The motor is chassis ground, but can't be un grounded due to the fact it is ground in more than one spot. Is there a work around like 2 PSUs. Wiring the grounds to both psus. I don't think isolating the motors are an option.
    Deaglex, Aug 28, 2017
    #3