Re: [CAD_CAM_EDM_DRO] Re: Gecko current limit resistor equation

Rick,

You do need a resistor. Something around 195K.

With no resistor the Gecko will try and drive the stepper motors at 7 amps.

Bob Campbell
Bob Campbell Designs
www.Campbelldesigns.com
Mach 2/3 breakout boards
Relay boards
Spindle Speed boards
Stepper motors
Plasma Torch Height control

----- Original Message -----
From: "rllalonde2000" <alalonde@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Saturday, January 21, 2006 5:31 PM
Subject: [CAD_CAM_EDM_DRO] Re: Gecko current limit resistor equation


> -Ron, Thanks for the input. Then I don't need a resistor?
>
> -Rick L.
>
> -- In CAD_CAM_EDM_DRO@yahoogroups.com, Ron Kline <ronkline@a...>
> wrote:
>>
>> I know some of the "electronic types" will explain this for you
> but I'm
>> running at least a dozen of these things and the current set
> resistor is
>> no big thing , the sizes are printed on top of the drive when you
> get it
>> , a 5.5 would be smaller than the value for a 5 A and larger than
> the
>> value for a 6A.
>> I have not found it to be all that critical .
>>
>> Ron
>>
>> rllalonde2000 wrote:
>>
>> >Can anyone help me understand the equation given on the Gecko
> website
>> >for the G201 current limit resistor? I'm a self-confessed math
> moron
>> >and can't make heads or tails of it. The steppers are 5.5A
>> >
>> >Thanks in advance,
>> >
>> >Rick L.
>> >
>> >
>> >
>> >
>> >
>> >
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>> --
>> Ron Kline
>>
>> American Precision Ceramics
>> Central Ky.
>>
>
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> http://groups.yahoo.com/group/jobshophomeshop I consider this to be a
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> OT subjects, that are not allowed on the CCED list.
>
> NOTICE: ALL POSTINGS TO THIS GROUP BECOME PUBLIC DOMAIN BY POSTING THEM.
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