Re: [CAD_CAM_EDM_DRO] Treadmotor speed control for power supply.

Don,

What type controllers are those? Are they the ones that come with the
treadmill? I happen to have one of those but the thing REQUIRES you to
rotate the speed pot full on before it begins to tur the motor, then you can
back it off manually to where you want it. Repeat for restarts. Probably
can be modified to eliminate that limitation but thought I would throw that
out there, as I was going to use one for my cooling pump but it won't work
automatically from the software, as-is due to that limitation.
R. William Kichman, P.E.
Kichman Engineering Associates
103 Old Furnace Road
Cornwall, PA 17016-0643
tel/fax 717/270-0714

----- Original Message -----
From: "Don Rogers" <Don@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Tuesday, September 30, 2003 8:08 PM
Subject: [CAD_CAM_EDM_DRO] Treadmotor speed control for power supply.


> I just recently bought a couple treadmill motors and a couple
> controllers. They also have a controller listed as 130DC 8A Power supply.
> At $35.00 I thought I might give it a try, along with one or two large
> Caps, for a stepper drive supply. My thought goes to using a multi turn
> pot that can be locked to limit the output to 75V. Add the electrolytic
> caps and It should work. Right?? The only thing I'm not sure about is
the
> pulse width and frequency coming out of the supply. Might it be a little
> to course to filter down with Caps?. Sure wish I still had access to a
scope.
>
> Don
>
>
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