Re: Question:Parallel interface with Gecko 201 drivers

>Some cables are designed on the cheap for serial, and don't

have all of 'em.<
Kayla, what he's saying is that you need to get a cable that is of
a "straight through" design, this way all of the pins on the DB25
are connected to all of the pins on the other end.
They can be had for relitively cheap. I think Wally world has them
for around 20 bucks.
Alan ...thats a nicely designed power supply/driver box.
One question though...where is the breakout board you speak of?
Because i only see your Gecko drivers connected to the DB25
connector.Or am I just missing something?
Though it is a very well thought out compilation. Kudos!


Jim

In CAD_CAM_EDM_DRO@y..., Alan Marconett KM6VV <KM6VV@a...> wrote:

> Hi Kayla,
>
> In an ideal printer cable, the control and data lines would EACH

have

> their own pair, the "other" wires being grounds. Initially, you

should

> be fine with a standard parallel cable. Just insure that it has

all 25

> conductors! Some cables are designed on the cheap for serial, and

don't

> have all of 'em. Use a breakout box at the Gecko end, or as I

did, a

> connector with removable contacts, which is wired into the

driver/ps box

> (I posted ix, driverP). So, you don't NEED to make up a cable at

all!

>
> Alan KM6VV
>
> Kayla Sanders wrote:
> >
> > I hope that I dont have aproblem with RFI. But in the case that I
> > do, I just want to be prepared.I see nothing wrong with that.
> > Im here to LEARN, as most people are. And I still have

unanswered

> > questions that Im hoping that someone will help me with.
> > Is anyone willing to answer these questions the best that they

can??

> > Preferrably without the sarcasm.
> >
> > Thanks
> >
> > --- In CAD_CAM_EDM_DRO@y..., "Tim Goldstein" <timg@k...> wrote:
> > > Glad you have not gotten around my machines to tell them how

their

> > wires
> > > must me. The parallel cables I have used and the ones I have

cut

> > apart
> > > (cheapest I can find in both cases) are not twisted pair at

all.

> > >
> > > You are taking some best practices guidelines and solid

solutions

> > IF you
> > > have noise problems and trying to make it the requirements for
> > wiring.
> > > In most cases it just ain't that critical.
> > >
> > > Tim
> > > [Denver, CO]
> > >
> > >
> > > > -----Original Message-----
> > > > While using a breakout board is probably the best way to go,

i

> > find
> > > > myself wanting to make my own cable for the pure

satisfaction of

> > it
> > > > and the learning experience..
> > > > Heres what i know about cabling from parallel port.....
> > > > The wires must be in twisted pairs.
> > > > The step/dir wires must not be in the same twisted pair.
> > > > The length should be no more than 12 feet in length.
> > > > Any power derived from the controller source must be seperate
> > from
> > > > the step/ dir wires. Prefferably as far away as possible.
> > > > The wires must be of a shielded kind.
> > > >
> > > > My question is this....
> > > > If the step/dir wires can not be put in the same twisted

pair,

> > then
> > > > what should a twisted pair consist of?
> > > > Two step in a pair or two dir in a pair? Or what?
> > > > If you were to make your own cable(eveen though you probably
> > would
> > > > opt not top do so) How would arrange the wires??
> > > >
> > > > Thanks again
> >
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