Re: [CAD_CAM_EDM_DRO] Yeager CNC Pro and relay settings

Hi Fortino, Shelby,

To drive a load like a SSS, you want the parallel port to SINK current.
Some parallel ports cannot SOURCE current as you describe.

I suggest you connect the + of the SSS to +5V, and pin 1 to the -
terminal. then when the pin goes low (>.5V or so), the SSS will turn
on.

My DriverPS PDF in the files of this group might be of help:

http://groups.yahoo.com/group/CAD_CAM_EDM_DRO/files/DriverPS/

HTH

Alan KM6VV
SherlineCNC

fortino wrote:

>
> First, Pin 1 should be +5 V when it is turn on (set high when enabled). The
> negative should go to the logic ground.
> Don't forget to put small resistance ( I use 0.5-1 ohm resistor). Just in
> case you short your parallel port output.
>
> Second, to turn on the Output 1 the G code should be M03, while to turn off
> the Output 1 the G code is M05.
>
> Fortino
>
> ----- Original Message -----
> From: "shelbyshepherd2002" <cabrillo_shepherd@...>
> To: <CAD_CAM_EDM_DRO@yahoogroups.com>
> Sent: Thursday, July 31, 2003 4:53 PM
> Subject: [CAD_CAM_EDM_DRO] Yeager CNC Pro and relay settings
>
> > Hi all,
> >
> > I need some help on the settings within CNC pro for a solid state
> > relay to activate a solinoid.
> > It is using pin 1 to the neg on the relay and 5 volt to positive
> > from games port, should it be set on high or low?
> > This is the sample G code I used to test with but the relay did not
> > appear to work.
> >
> > G01 X5 Y5
> > M01 (to turn on)
> > M0 (to turn off)
> > X0 Y0
> >
> > Any ideas welcome on settings or a sample G code to test with.
> >
> >
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> 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
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>
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> Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/