CAD CAM EDM DRO - Yahoo Group Archive

Re: checking parallel port

Posted by hugo_cnc
on 2002-06-07 14:53:37 UTC
Thank you all for your reply's. I used the +5V from a the PC, the red
line, and the motor started to turn smootly. Can't wait to finish the
rest.

Hugo


--- In CAD_CAM_EDM_DRO@y..., "Tim Goldstein" <timg@k...> wrote:
> Hugo,
>
> Your problem is most likely that you do not have a complete circuit
from the
> drive to the computer. If you use an external power source for the
+5V to
> the Gecko you have to connect that power sources ground to the
computer
> ground to have it work. This issue comes up regularly and people are
> perplexed by using the +5v as the common in connecting a Gecko. All
I can
> say it just use the computer as the source (straight from a drive
connector
> or a game port) and life will be good. Same goes for the CMD-260
drives I am
> selling. Can't for the life of me understand why some many people
are
> determined to use an external source as it is not isolated due to
the need
> to tie the grounds together.
>
> To answer your question you can check the port with a logic probe,
a multi
> meter, or an LED. This works great of you can issue a single pulse
at a
> time. The logic probe is the best if you can not do a single pulse.
>
> Tim
> [Denver, CO]
> Stepper motors, drives, and encoders
> http://www.KTMarketing.com/CNC.html
>
> Hi all,
>
> Is there a way to check if there coming a signal out of the parallel
> port, with something like a voltage/amperage/resistance meter. I use
> a geckodrive 201, a 1300 oz/in motor and 24V 2A power supply. The
> power supply is just for testing, could it be that the power supply
> is not powerful enough to move the motor at all. I use the same
power
> supply which also have a +5V terminal, to connect to the common
> (terminal 10) of the geckodrive, the ground is connected to the
> ground (terminal 1). I have tried different controllers Desknc,
> Master5 and Cncpro, but the motor won't move.
> I use a standard parallel cable but the numbering is a bit different
> that what is described in DeskNC. If you look at the pins numbers,
> pin one is upper left instead of upper right (the wide side above),
> could this be part of the problem.
> Thanks
>
>
> Hugo

Discussion Thread

hugo_cnc 2002-06-07 03:49:03 UTC checking parallel port Bob Campbell 2002-06-07 05:57:37 UTC RE: [CAD_CAM_EDM_DRO] checking parallel port Dan Mauch 2002-06-07 06:55:38 UTC RE: [CAD_CAM_EDM_DRO] checking parallel port Alan Marconett KM6VV 2002-06-07 11:03:57 UTC Re: [CAD_CAM_EDM_DRO] checking parallel port Tim Goldstein 2002-06-07 12:45:17 UTC Re: [CAD_CAM_EDM_DRO] checking parallel port hugo_cnc 2002-06-07 14:53:37 UTC Re: checking parallel port JanRwl@A... 2002-06-07 20:35:09 UTC Re: [CAD_CAM_EDM_DRO] checking parallel port JanRwl@A... 2002-06-07 20:55:47 UTC Re: [CAD_CAM_EDM_DRO] checking parallel port Jon Elson 2002-06-07 22:07:13 UTC Re: [CAD_CAM_EDM_DRO] checking parallel port JanRwl@A... 2002-06-07 22:40:42 UTC Re: [CAD_CAM_EDM_DRO] checking parallel port Jon Elson 2002-06-08 09:41:43 UTC Re: [CAD_CAM_EDM_DRO] checking parallel port Alan Marconett KM6VV 2002-06-08 10:46:14 UTC Re: [CAD_CAM_EDM_DRO] checking parallel port