Re: [CAD_CAM_EDM_DRO] Re: Gecko G201 and Drive Current ?

Mariss,
Correct Jumpers are 2-6 and 7-8
Hans W

"Mariss Freimanis " wrote:

> Hans,
>
> Orient the drive so that the main connector is to the left and
> the "Adjust" trimpot is in the upper right-hand corner.
>
> Call the top row of the header pins "1, 2, 3, and 4", left to right.
> Call the bottom row "5, 6, 7, and 8".
>
> The jumpers should be "2 to 6" and "7 to 8" for full current, standby
> enabled.
>
> Mariss
>
> --- In CAD_CAM_EDM_DRO@yahoogroups.com, Hans Wedemeyer <xyz@h...>
> wrote:
> > Mariss,
> > Thanks for the feedback, that was the kind of info I was looking
> for.
> > 1) Jumper for Low Current Mode is ON meaning Low Current Mode is
> not enabled.
> > 2) Resistor is 120K
> > 3) Voltage measured across 120K is 12.59
> > 4) I'll do the AC amp meter tomorrow. I have to reprogram my PIC
> controller for that.
> >
> > Best Regards
> > Hans W
> > |
> >
> > "Mariss Freimanis " wrote:
> >
> > > Hans,
> > >
> > > You can put an ammeter in series with one of the windings. Use a
> > > battery powered multimeter set to AC amps and step the drive at
> 240
> > > full steps per second (2.4 kHz). The meter should read 3.5A RMS
> (5A
> > > peak).
> > >
> > > Make sure the drive is not set to the low current range on the
> option
> > > jumper block. Make sure your resistor is 120K (brown, red,
> yellow) by
> > > measuring it; it could be 12K instead (brown, red, orange).
> > >
> > > The "in-circuit" voltage across the current set resistor should be
> > > about 12VDC for a 5A phase current.
> > >
> > > Mariss
> > >
> > > --- In CAD_CAM_EDM_DRO@yahoogroups.com, Hans Wedemeyer <xyz@h...>
> > > wrote:
> > > > Here's my setup.
> > > > Gecko G201 and PACSI H32 Series motor parallel wired to take 5.6
> > > Amps.
> > > > Gecko has a 120K Current set resistor this should be a 5 AMP
> > > setting.
> > > > DC Supply 36 Volts able to supply Max 9 Amps.
> > > > Length of cable from Supply to Motor 3 feet. 14 Gauge Wire .
> > > > 15000uF Cap. at the Gecko module.
> > > >
> > > > I did not get the power I expected. This motor is rate at 445oz-
> in
> > > and the project was calculated to
> > > > need about 160oz-in.
> > > >
> > > > When it failed I started to investigate. First I used a clamp
> on
> > > Amp meter on the Plus Output lead of the PSU
> > > > and started the motor. It read 1 Amp ! I know the reading is
> > > integrated, but I really did expect it to show at least 2-3 Amps.
> > > >
> > > > This makes me suspect the Gecko.
> > > >
> > > > Does anyone have a good method to confirm the Gecko really is
> > > switching these windings at 5 Amps ?
> > > > I have equipemnt to test... just tell me how to test this :-)
> > > >
> > > > Thanks in advance.
> > > > Hans Wedemeyer
> > >
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> http://groups.yahoo.com/group/jobshophomeshop I consider this to be a sister site to the CCED group, as many of the same members are there, for OT subjects, that are not allowed on the CCED list.
>
> NOTICE: ALL POSTINGS TO THIS GROUP BECOME PUBLIC DOMAIN BY POSTING THEM. DON'T POST IF YOU CAN NOT ACCEPT THIS.....NO EXCEPTIONS........
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