Re: [CAD_CAM_EDM_DRO] Re: new stepper motors wiring mess ?fixed!

----- Original Message -----
From: "Keith Clark" <mail@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Saturday, August 28, 2004 8:57 AM
Subject: [CAD_CAM_EDM_DRO] Re: new stepper motors wiring mess ?fixed!


> Hold everything. I was wrong. The problem was that whenever I
> plugged in the powersupply to the battery backup system it kept
> producing a fault. When I first plut the power supply into the
> backup then turn the backup on there is no problem. Fortunately I
> tried this little trick before rewiring the motor the way I thought
> it should be. I did leave it as was suggested by the factory and
> GEcko and it works!!!! No burned GEcko this time! Only problem now
> is getting the settings at the software level adjusted. The new
> motor is quiet and smooth! Do other software such as Mach2 that
> control the axis motors have settings for rapid speed acceleration
> and deceleration? I have the step rate set fine and get accurate
> distances, but still stalls with higher speeds as before with the
> old Bridgeport stepper motors.
>
> Keith Clark
>
> --- In CAD_CAM_EDM_DRO@yahoogroups.com, "Keith Clark" <mail@t...>
> wrote:
> > Help again! My repaired motion board, replacement Gecko 210
> driver
> > and new stepper motors arrived. I assembled them all but
> installed
> > only one stepper motor to the Z axis for testing.
> >
> > I talked to the Anaheim Automation factory person to get advice on
> > the wiring for the Gecko drives and his new motor. It is wired
> > bipolar in series and is rated at 4.9 amps. It is one of the new
> > square Nema 42 high torque motors.
> >
> > There are 2 windings wired in series together on one side of the
> > motor and another 2 windings wired in series on the other side. I
> > was instructed to connect one end of a set of series windings to
> the
> > Gecko phase A and the other end to Phase B then connect the second
> > set of series windings to Phase C and D. This is exactly what I
> did
> > on the original Bridgeport motor and the Gecko burned up! I told
> him
> > this but he thought it would be correct.
> >
> > So on I merrily went according to the plan and it was apparently
> > wrong. Luckily I had purchased a backup powersupply for the setup
> > and it recognized an overload and shutdown before (I hope) ruining
> > the Gecko drive. I wonder if I can just switch Phase B and C
> wires
> > as I did before and get it to run.
> >
> > I just don't understand why both the Gecko instructions and the
> > Anaheim Automation instructions describe the same wiring method
> and
> > it does not work. What am I not understanding here?
> >
> > Thanks! (again)
> > Keith Clark
> >
> > HEART FELT APPRECIATION! I think I will get to the bottom of all
> > this eventually, but not without a lot of help from my new CAD-CAM-
> > EDM-DRO friends! The advice, insruction and suggestions given so
> > far have saved me from giving up and are truly appreciated!
>
>
>
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