On Thursday 24 July 2014 16:31:38 Peter C. Wallace did opine
And Gene did reply:
> On Thu, 24 Jul 2014, Gene Heskett wrote:
> > Date: Thu, 24 Jul 2014 16:13:22 -0400
> > From: Gene Heskett <ghesk...@wdtv.com>
> > Reply-To: "Enhanced Machine Controller (EMC)"
> > 
> >     <emc-users@lists.sourceforge.net>
> > 
> > To: emc-users@lists.sourceforge.net
> > Subject: Re: [Emc-users] joint
> > 
> > On Thursday 24 July 2014 15:08:54 Philipp Burch did opine
> > 
> > And Gene did reply:
> >> Hey Aram!
> >> 
> >> On 24.07.2014 20:58, a k wrote:
> >>> this is pin ---       hm2_5i20.0.encoder.03.velocity
> >>> 
> >>> this is also pin ----- scale.0.in
> >>> is it possible to connect pin to pin?
> >>> manual say -- connecting signal to pin
> >> 
> >> In fact, you can only connect pins to pins, signals/nets are just
> >> aliases to make the whole stuff more readable. You have to use the
> >> 'net' command to make these connections, though. The name of the net
> >> doesn't matter as long as it follows the rules and it is not already
> >> connected to an output. So if
> >> 
> >> hm2_5i20.0.encoder.03.velocity
> >> 
> >> actually exists and is an output and
> >> 
> >> scale.0.in
> >> 
> >> actually exists and is an input, then this line
> >> 
> >> net vel-encoder hm2_5i20.0.encoder.03.velocity => scale.0.in
> > 
> > I'll assume that this 5i20 card, and its daughter card actually has
> > an encoder.03 module available, AND that it has ABZ inputs connected
> > from some place on his machine equipt with a hardware encoder.  Then
> > the above statement IS correct, but it is NOT connecting his pot to
> > anything.
> 
> Actually it is, Aram has a THCAD which is a high isolation V-F
> converter intended for Plasma torch height control applications

In which case I assume he has connected the pot to a suitable place on the 
THCAD?  That I was not aware of, not being at all familiar with a THCAD 
setup.

Now its me with copious amounts of egg on face I believe, thanks Peter.
 
> The easy way to read the external V-F is via the encoder velocity
> signal
[...]

Cheers, Gene Heskett
-- 
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page <http://geneslinuxbox.net:6309/gene>
US V Castleman, SCOTUS, Mar 2014 is grounds for Impeaching SCOTUS

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