Re: [CAD_CAM_EDM_DRO] Servo only moving one way

Sorry Jim,
I was reading the wrong line on the meter.
Your right it doesn't go any higher than 5v.

I have double and triple check the wires...they are correct.

Robin

----- Original Message -----
From: <james_cullins@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Thursday, March 11, 2004 3:48 PM
Subject: 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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> > > > OFF Topic POSTS: General Machining
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> > > > http://www.metalworking.com/news_servers.html
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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........
> > > > bill
> > > > List Mom
> > > > List Owner
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> > > >
> > > > Yahoo! Groups Links
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> > >
> > > Addresses:
> > > FAQ: http://www.ktmarketing.com/faq.html
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> > > OFF Topic POSTS: General Machining
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> 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
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> > > Yahoo! Groups Links
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> > Addresses:
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> > FILES: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO/files/
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> timg@...
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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:
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> FILES: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO/files/
> Post Messages: CAD_CAM_EDM_DRO@yahoogroups.com
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> 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
>
>
>
>
>