Re: EMC Running My Controller

Thanks Tim, Thanks Matt.

I have finally got EMC working with the controller that uses the superior
electric type driver modules that I sell to various customers.(the 2.5 Amp
Modules for the smaller machines.)
After I got EMC loaded last week I ran into several problems. first I was
not getting any ouput from my parallel port. I have an LED diplay that I use
for trouble shooting. I tried reconfiguring the port and several other
ideas. All failed the I decided to add a second lpt . But first I wanted to
make sure that the PC was configured properly. When I checked the pc I
noticed that the ribbon cable from the lpt connector tothe db25 connector
was partially ajar. That solved that problem. I must have dislodged it when
I replaced the 500meg H/D , added the cdrom and added memory.
But it still did not run. I glanced at the wiring hookups and my mind must
have not noticed that emc uses a pinout that in not what most of the PC
software uses.
My Led display was showing that the direction bit was changing states but I
was not getting the pulse stream. Matt noticed my error and I corrected the
mistake. I have a db25 connector pcb that mates with the pc parallel port
cable. Then there are 4 r/a connectors that match up to cables for each axis
that run to the drivers.
It was a simple matter to make up a new cable to reconfigure the pins to
match up with emc.
I tested the X axis this morning with emc. It ran really nice in the manual
and mdi modes. I I need to make a few other changes and get the Y and Z axis
running. BTW when you get EMC up and running. If the Z axis doesn't jog from
the keypad try the page-up page down keys adjacent to the keypad.
Dan
-----Original Message-----
From: Ian W. Wright <Ian@...>
To: CAD_CAM_EDM_DRO@onelist.com <CAD_CAM_EDM_DRO@onelist.com>
Date: Saturday, August 14, 1999 6:18 AM
Subject: Re: [CAD_CAM_EDM_DRO] Hey Tim!

>From: "Ian W. Wright" <Ian@...>
>
>Hi Matt,
>
>Yes, thanks. I tried the G21 idea and it did, in fact, give metric sized
>movements for a metric-based file but the display is still in Inches
>which doesn't give the same confidence as a direct readout of figures
>you can understand.
>
>Ian
>
>Matt Shaver wrote:
>
>> Attention Ian Wright: The above paragraph may apply to you with respect

to

>> working with metric coordinates, although I don't know what to say about

G20

>> and G21. I'll have more metric related info when I talk with Fred,

hopefully

>> tomorrow.
>
>Best wishes
>
>Ian
>
>--
>
>Ian W. Wright LBHI
>Sheffield Branch Chairman of the British Horological Institute.
>Bandmaster and Euphonium player of the Hathersage Brass Band. UK.
>See our homepage at:- http://www.iw63.freeserve.co.uk or
>http://www.iw63.demon.co.uk/ or
>http://www.GeoCities.com/Hollywood/6067/index.html
>
>'Music is the filling of regular time intervals with harmonious
>oscillations.'
>
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