Re: [CAD_CAM_EDM_DRO] Servo only moving one way

Are you looking on the breakout board?
Are you grounding to the PCgnd by the parallel port connector?
do not connect the PCgnd to anything .
You should never read over 5v.
I would double check the wiring.
Jim

----- Original Message -----
From: "INDECO" <indeco@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Thursday, March 11, 2004 2:34 PM
Subject: Re: [CAD_CAM_EDM_DRO] Servo only moving one way


> Jim,
>
> It goes from 5v to 30v never reaches 0v always carring at least 5v.
> When I jog (in Y axis) right the DIR light comes on and it reads 30v then
> when I jog left, the light goes out and it reads 5v.
> As for the X axis it will only move one way with both key strokes.
> What is 74hct541? Is it something I can fix...or will I have to have a new
> board.
>
>
> Robin
>
>
>
> ----- Original Message -----
> From: <james_cullins@...>
> To: <CAD_CAM_EDM_DRO@yahoogroups.com>
> Sent: Thursday, March 11, 2004 2:55 PM
> Subject: Re: [CAD_CAM_EDM_DRO] Servo only moving one way
>
>
> > Robin if you have just a common volt ohm meter like a Radio Shack you
can
> > test it.
> > Just read the voltage on the screw terminal for the Y axis Dir . It
should
> > change form a 0 to 5v when you jog it.
> > If it doesn't and the LED is changing the 74hct541 is probably bad.
> > Let us know and we will make it right for you.
> > Jim
> > ----- Original Message -----
> > From: "INDECO" <indeco@...>
> > To: <CAD_CAM_EDM_DRO@yahoogroups.com>
> > Sent: Thursday, March 11, 2004 11:55 AM
> > Subject: Re: [CAD_CAM_EDM_DRO] Servo only moving one way
> >
> >
> > > Yes I am using Gecko drives with Bob Campbells Breakout board and
> Mach
> > 2
> > > software.
> > > I have niether a logic probe or a oscilloscope to check it.
> > > However the direction light on the board is not lit up as the Y axis
is,
> > > however the light on the Y only lights when I jog to the left then
goes
> > out
> > > when I jog right. Is this right?
> > > The drivers do not fault, it just will not jog both ways in the X
> > > axis...both key strokes go same way.
> > > The Y axis seems to be ok. I have checked and double check the wires
and
> > > they are correct.
> > > Could it be in Mach2 that I'm doing something wrong?
> > >
> > >
> > > Thanks, Robin
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > > ----- Original Message -----
> > > From: "Jon Elson" <elson@...>
> > > To: <CAD_CAM_EDM_DRO@yahoogroups.com>
> > > Sent: Thursday, March 11, 2004 12:24 PM
> > > Subject: Re: [CAD_CAM_EDM_DRO] Servo only moving one way
> > >
> > >
> > > >
> > > >
> > > > INDECO wrote:
> > > >
> > > > >Hello all,
> > > > >
> > > > > I am having a little trouble figuring this one out...my X axis
will
> > > only move one way.
> > > > >When I jog the X axis both key strokes move it the same way.
> > > > >Help if you can.
> > > > >
> > > > >
> > > > What type of drive are you using? I have to assume a Gecko 320/340,
> > since
> > > > you don't say. What software are you using? Does the Y axis work
> > right?
> > > >
> > > > The Gecko has a direction signal which determines which way it is to
> > move.
> > > > It sounds like the step pulse is getting through fine, but the
> direction
> > > > is not.
> > > >
> > > > Check your wiring, use a DVM, logic probe or oscilloscope to check
the
> > > > direction
> > > > signal to see if it is changing. Geckos need a fair bit of opto
> current
> > > > to operate,
> > > > somewhere in the 10 - 15 mA range.
> > > >
> > > > Jon
> > > >
> > > >
> > > >
> > > > Addresses:
> > > > FAQ: http://www.ktmarketing.com/faq.html
> > > > FILES: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO/files/
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davemucha@...
> > > [Moderators]
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> > > Addresses:
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> > [Moderators]
> > > URL to this group: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO
> > >
> > > OFF Topic POSTS: General Machining
> > > If you wish to post on unlimited OT subjects goto:
> > aol://5863:126/rec.crafts.metalworking or go thru Google.com to reach it
> if
> > you have trouble.
> > > http://www.metalworking.com/news_servers.html
> > >
> > > 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........
> > > bill
> > > List Mom
> > > List Owner
> > >
> > >
> > > Yahoo! Groups Links
> > >
> > >
> > >
> > >
> > >
> >
> >
> >
> >
> > Addresses:
> > FAQ: http://www.ktmarketing.com/faq.html
> > FILES: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO/files/
> > Post Messages: CAD_CAM_EDM_DRO@yahoogroups.com
> >
> > Subscribe: CAD_CAM_EDM_DRO-subscribe@yahoogroups.com
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> > List owner: CAD_CAM_EDM_DRO-owner@yahoogroups.com, wanliker@...,
> timg@...
> > Moderator: pentam@... indigo_red@... davemucha@...
> [Moderators]
> > URL to this group: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO
> >
> > OFF Topic POSTS: General Machining
> > If you wish to post on unlimited OT subjects goto:
> aol://5863:126/rec.crafts.metalworking or go thru Google.com to reach it
if
> you have trouble.
> > http://www.metalworking.com/news_servers.html
> >
> > 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........
> > bill
> > List Mom
> > List Owner
> >
> >
> > Yahoo! Groups Links
> >
> >
> >
> >
> >
> >
>
>
>
>
> Addresses:
> FAQ: http://www.ktmarketing.com/faq.html
> FILES: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO/files/
> Post Messages: CAD_CAM_EDM_DRO@yahoogroups.com
>
> Subscribe: CAD_CAM_EDM_DRO-subscribe@yahoogroups.com
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> List owner: CAD_CAM_EDM_DRO-owner@yahoogroups.com, wanliker@...,
timg@...
> Moderator: pentam@... indigo_red@... davemucha@...
[Moderators]
> URL to this group: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO
>
> OFF Topic POSTS: General Machining
> If you wish to post on unlimited OT subjects goto:
aol://5863:126/rec.crafts.metalworking or go thru Google.com to reach it if
you have trouble.
> http://www.metalworking.com/news_servers.html
>
> 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........
> bill
> List Mom
> List Owner
>
>
> Yahoo! Groups Links
>
>
>
>