Recent content by joerm

  1. J

    Vo-Tech transformer lab station

    I've recently acquired a FlexLab teaching transformer station and am trying to find out more information about it. It is wired for 3 phase with 3 single phase NWL 3 kva transformer below the desk surface. What looks like a telephone switch operators box on top has female jacks use to...
  2. J

    D.C. treadmill motor power supply

    Yes thank you the 2 white 6 pin devices are MOC3041's good eye KrisBlueNZ (I read the numbers off the actual board to confirm) and yes the power inputs are calling for 120v (which we use here) Thanks for all your help... (no clue here what all this means)
  3. J

    D.C. treadmill motor power supply

    Interesting that the "Incline" power spades hint at an AC motor. The power supply I'm trying to use (with my older DC motor) comes from a newer treadmill which possibly could have had an AC motor? I was hoping that all or most of the treadmill makers out there were all using the same basic...
  4. J

    D.C. treadmill motor power supply

    Thanks for your help Steve.. that was obviously a gentle way of saying "dude you're dangerous to yourself" :o) "Speed control of a DC motor is most often achieved using PWM. Perhaps the controller you purchased is one of these." I'm thinking that's what this board is...
  5. J

    D.C. treadmill motor power supply

    Does anyone know what is a cheap way to provide power/speed control to a DC permanent magnet treadmill motor ? I went ahead and bought a cycletrol 150 d.c. control, so I'm set for the motor mentioned above, but I mean for future reference are there cheap ways folks are taking advantage of cheap...
  6. J

    D.C. treadmill motor power supply

    Hi folks, I dabble in electronics only enough to be dangerous but still I push ahead occasionaly as what ever project I have going requires. My latest project is trying to power an old 90v 9am d.c. treadmill motor with power supply from a newer random treadmill manufacturer. Mistakenly I...
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