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HB-25 Motor Controller — Parallax Forums

HB-25 Motor Controller

PBKPBK Posts: 7
edited 2008-08-20 13:59 in Robotics
Hello!

Is there a circuit diagram for the HB-25 Motor Controller?

I am thinking about using two HB-25, connected in serial to power a 24V DC motor,
is this possible with the HB-25 controller?

Peter

Comments

  • DgswanerDgswaner Posts: 795
    edited 2008-08-19 23:09
    these is documentation on the Parallax web site for the HB-25. Are you asking if you can use 2 HB-25's to control one motor? I'm pretty sure that won't work.

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    "A complex design is the sign of an inferior designer." - Jamie Hyneman, Myth Buster

    DGSwaner
  • PBKPBK Posts: 7
    edited 2008-08-20 07:21
    Yes, I have looked at all the information available at the web site, but this does not contain any detailed circuit diagram.

    And, yes, my plan is to use two HB-25's to control one motor, beacause the motor is a 24V, and the HB-25 controller max input/output is about 16 VDC. With two in serial, I hopefully couldt get around 30VDC, and regulate it to 0-24VDC.

    Peter
  • PhilldapillPhilldapill Posts: 1,283
    edited 2008-08-20 11:22
    That's not going to work... What I imagine happening, and this is only a small hunch, is that while you're turning the controller on/off, one controller will turn on just slightly before the other, leaving the other controller to deal with the 24V on it's own. The idea sounds good - kind of like putting diodes in series for a higher blocking voltage - but these are switching devices. You can try it, but I doubt the controllers will last 1 second.
  • PBKPBK Posts: 7
    edited 2008-08-20 11:35
    Thank's, DGSwaner and Philldapill, for your warnings on this project!

    Peter
  • ercoerco Posts: 20,256
    edited 2008-08-20 13:59
    $30 24V controller at http://tncscooters.com/product.php?sku=101189·, you just need a stamp interface instead of the hall effect throttle.

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    ·"If you build it, they will come."
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