Re: EMC and STG boards.

["Keith Rumley" <DSCADCAM-at-yahoo.com>]

I'm currently using the STGII 8axis on a three axis mill, using the
stg_v2_axis8.o from a hacked BDI source. The card works fine, the encoders
(US Digital E5D's - differential signals) kept up even when I crashed the
mill at high speed, around 400 to 600 ipm (2000-3000rpm). Not a recommended
test procedure, by the way!

As far as your position not registering, I would think it is your encoder's
fault, physical (dirty chopper wheel) or electrical (line interference).

- Keith

----- Original Message -----
From: "Will Shackleford" <shackle-at-cme.nist.gov>
To: "Multiple recipients of list" <emc-at-nist.gov>
Sent: Thursday, November 15, 2001 9:08 AM
Subject: Re: EMC and STG boards.


>
> Enrique Sanchez Vela wrote:
> > Hello again...
> >
> >   I have a STGII 8 axis card and I'm trying to use it to retrofit a
> > Tree machine, I just redownloaded the cvs source tree and I see no
> > references to the model II card either 8 and 4 axis in the Makefile.
> >
> >   also found a set of files named as newstg.XX and would like to know
> > what they are used to (maybe the new pci boards??).
> >
> > thanks,
> > esv.
> > ps. I found where the interrupt is set, the .h files!!!
> >
> >
> >
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>
> newstgmod.o is compiled from a rewrite of the ServoToGo driver. It should
work with
> both model I and model II cards as well as both 4 axis and 8 axis cards
and it fixes a problem with
> the index pulse latching in the older model II driver but its a relatively
recent edition and only
> tested on one machine( on which 4 axis model I and model II cards were
swapped in and out). It
> includes code from servo to go to query the board to determine if its a 4
axis or 8 axis board but
> since I only had the two 4 axis boards working and available at the
moment. I'd feel more confident
> about it if someone would test it with an 8 axis board.
>



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