Re: Heads Up for Power Supply deal...

Carlos,
Please still add the diodes. If you need a diagram Just ask and I will send you a bmp file..
Hope it works out.
Regards
Hans W

Carlos Guillermo wrote:

> From: "Carlos Guillermo" <cnk@...>
>
> Thanks Hans -
>
> I ordered 7 of them for 3 axis (and a spare..). They couldn't tell me how
> many more were left after my order, but apparently they had at least 7. I'm
> hoping a series connection works; at that price it's worth the risk. I'll
> watch out for those grounds!
>
> Carlos Guillermo
>
> > From: hansw <hansw@...>
> >
> > Hi Carlos,
> > Good question, and I think that should be possible.
> > It is a switch mode supply, which means it has 100% isolation
> > from the input, so that's the first thing solved.
> >
> > When you do connect in series, you will have one of the power
> > supplies (negative) connection effectively at half voltage, and
> > only need to make sure you never "ground" it...
> >
> > Connections would be like this
> >
> > Positive from Supply #1 become the 36 Volt connection
> >
> > Negative from Supply #1 never consider this as ground !
> > | connect together
> > Positive from Supply #2
> >
> > Negative from Supply #1 becomes the 0V connection
> >
> > I expect already know all of this. Also remember the negative is
> > often also part of the circuit board screw mounting holes, and
> > you need to isolate that #1 supply,
> > for example mount it on Nylon spacer.
> >
> > It should work, no reason why it will not.
> >
> > regards
> > Hans Wedemeyer
> >
> > Carlos Guillermo wrote:
> >
> > > From: "Carlos Guillermo" <cnk@...>
> > >
> > > Hans -
> > >
> > > Any way to double those up effectively for 36V?
> > >
> > > Carlos Guillermo
> > >
> > > > -----Original Message-----
> > > > From: hansw [mailto:hansw@...]
> > > > Sent: Sunday, January 30, 2000 12:53 AM
> > > > To: cad
> > > > Subject: [CAD_CAM_EDM_DRO]Heads Up for Power Supply deal...
> > > >
> > > >
> > > > From: hansw <hansw@...>
> > > >
> > > > Just in case someone is looking for a reasonable power supply for
> > > > smaller low voltage stepper motors, Jameco has one in the new catalog.
> > > >
> > > > 18V at 8.5Amps 100-240 AC input $14.95 Part No. 171125 Product No.
> > > > LDA150W18 (60 left !)
> > > >
> > > > hansw
>
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