Re: [CAD_CAM_EDM_DRO] +5V

I agree with Tim, and just experienced the problem with my Gecko 201 drives,
took some time to determine the problem, but too make a long story short,
depending on the length of you port cord, don't skimp on the
quality -amperage of this supply!

Russ

----- Original Message -----
From: Tim Goldstein <timg@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Sunday, March 17, 2002 3:40 PM
Subject: RE: [CAD_CAM_EDM_DRO] +5V


> You can pick it up from the mouse port or game port if it has one. If
> you are going to get the +5 from the transformer how are you going to
> complete the circuit with the step and direction signals? That is what
> the + 5 does. It is not a voltage supply except for the optos and if you
> don't have this coming from the computer then you will not have any
> motion.
>
> This issue seems to give many people problems. I other drives where you
> connect the drive to gnd and the step and direction pins you are using
> the step and direction pins as the + 5v source and just not calling it a
> positive. In the Geckos you are using the step and direction pins as a
> gnd and then need the +5v as the common to complete the circuit.
>
> Tim
> [Denver, CO]
> http://www.KTMarketing.com/CNC.html
>
> > Hi,
> >
> > From previous posts, it is clear that the best solution to provide
> > the +5V for the Gecko drives is to tap it from the PC itself.
> > However, if one is to use a notebook computer, even if that can be
> > done easily, I think one would be very about tapping the +5V from the
> > notebook. I hope to provide for an independent source of +5V from the
> > power supply of 48V. What is the best way to provide for this?
> >
> > Thanks in advance.
> >
> > Meneer
>
>
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