Re: pci-das6031 ever fixed?

  Yes, I wrote a program to iterate through the ranges and tried it in both
> differential and ground modes.  Some of the ranges I couldn't quite tell
> because the knob on my DC power supply is only so fine. I've also checked to
> make sure it's not comedi_to_phys by looking at the actual 16-bit numbers
> coming out, and those are the ones that are railing.
>
> -ed
>
>
> On 6/7/06, Frank Mori Hess <fmhess_at_speakeasy.net> wrote:
> >
> > > I just bought a MC PCI-DAS6031 to replicate the functionality of my NI
> > > PCI-6031E, but I'm having a bit of trouble.  After reading the last
> > bit
> > > mentioned on the DAS6031:
> > >
> > > https://mail.comedi.org/pipermail/comedi/2004-April/005794.html
> > >
> > > I think I have the same problem. I think I've pinned it down to an
> > > anamolous ~100x gain on the -10V to 10 V range, which turns into a 10x
> > > gain in the -.2V to .2V range. As a result, any voltage above/below
> > +/-
> > > .1 V rails the card in any range.
> >
> > So, to be clear, you're saying you did try all 8 ranges, and they are
> > all
> > off by a factor of 10 or 100?  Have you tried differential or
> > non-referenced single ended modes to see if they matter?
> >
> > --
> > Frank
> >
> >
> >
> >
>