Re: [CAD_CAM_EDM_DRO] Re: wiring Gecko drivers

Kieth:

210's came with the de-wired mill I purchased 10 months ago. I now have the
spindle spinning, pneumatic speed control and brake functioning, added
switches for Bijur lub and mist. I need help understanding BP limit and home
switches, and the Sigma motors.

Robert
rob.will@...

----- Original Message -----
From: "theokspindoctor" <mail@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Monday, August 16, 2004 8:59 PM
Subject: [CAD_CAM_EDM_DRO] Re: wiring Gecko drivers


>
>
> Robert, I am thinking I will have to upgrade to 210s why did you
> use those instead of the 201s?
>
> I understand the phase a and b are for one winding and the c and d
> for the other winding. Be careful because it is easy to wire them
> incorrectly and burn out the Gecko drive. We need to stay in touch
> so we can help each other. Once I figure out how to make it work on
> mine I will be glad to tell you what I did.
>
> keith clark
> clarkfamily5@...
>
> --- In CAD_CAM_EDM_DRO@yahoogroups.com, "Robert Williams"
> <rob.will@v...> wrote:
> > I too have Sigma motors on BP series 1 cnc. My Gecko' are 210's. My
> > knowledge is much less than Kieth Clark's.
> >
> > Connections are labled...
> > phase A, phase B
> > phase C, phase D
> >
> > PLEASE tell me how I can identify the phase/wires or which wires
> not to use.
> >
> > Robert
> >
> > ----- Original Message -----
> > From: "theokspindoctor" <mail@t...>
> > To: <CAD_CAM_EDM_DRO@yahoogroups.com>
> > Sent: Monday, August 16, 2004 8:05 PM
> > Subject: [CAD_CAM_EDM_DRO] wiring Gecko drivers
> >
> >
> > >
> > > I am confused about how the motors should be wired. I have Sigma
> > > motors on the Bridgeport with 4 internal windings. I am only
> wiring
> > > to 2 of the 4 leaving the 2 not connected.
> > >
> > > First question is whether it matters which 2 I choose to wire to
> the
> > > 201 Gecko drive. Should they be 2 across from each other or
> next to
> > > each other.
> > >
> > > Second question is since there are 4 terminals on the Gecko
> drive to
> > > connect to the motors the first two, labelled 3 and 4 recieve
> wires
> > > from one winding and the other two labelled 5 and 5 receive wires
> > > form the other winding. Is that correct? To change direction
> just
> > > switch wires between 3 and 4 with just changes the polarity on
> one
> > > of the internal coils. Correct?
> > >
> > > The way the motors are wired now, as done by my hired installer,
> the
> > > motor windings selected are across from each other, but terminal
> 3
> > > and 4 are connected to different windings instead of the same.
> > > Seems to be wrong to me. The z axis motor is easy to turn when
> the
> > > power is off suggesting it is wired correctly but it turns
> backwards.
> > >
> > > I can get all axes to move but only up to 20 inches per minute,
> > > anything greater causes the motors to stall...
> > >
> > > Unfortunately Mariss is on vacation...
> > >
> > > thanks
> > >
> > > Keith Clark
> > > clarkfamily5@c...
> > >
>
>
>
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