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Motor controller circuit for 3hp pmdc motor

Discussion in 'Sensors and Actuators' started by DanChay, Jun 18, 2013.

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  1. DanChay

    DanChay

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    Jun 18, 2013
    I'd like to control a 3 hp motor with something like an arduino microcontroller with the goal to build an open source treadmill desk that in my vision I'm calling an iplod.

    Being a relative electronics newby, I reverse engineered a schematic from an mc-60 motor controller that I pulled off a treadmill (see attached). Could this circuit be improved, I wonder? Should I re-think it? Next steps, I'm thinking:
    1. Get feedback
    2. Redraw the circuit on kicad
    3. Print and build the motor controller board
    4. Test the board on the PMDC motor
    5. Figure out how to drive the board with an arduino (PWM?)

    mc-60v8.png

    In drawing the circuit to this point last November, I got good feedback on allcircuits that I should acknowledge.

    Thanks.
     
    Last edited: Jun 18, 2013
  2. BobK

    BobK

    7,673
    1,684
    Jan 5, 2010
    You realize that what you are doing is illegal, right?

    Bob
     
  3. DanChay

    DanChay

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    Jun 18, 2013
    Yikes, Bob. No, I was not thinking in terms of legality at all with regard to the drive at this point, but I totally welcome and appreciate your feedback because that's important and the timing is good.

    I'll do some more looking into this. Any chance you'd elaborate on what you're thinking?
     
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