Re: PC104das16jr/16 and MUX counter problem

On Sat, 15 Jun 2002, Daniel Koch wrote:

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> Hi,
>
> We've got the following problem with our PC104das16jr/16 card. We connected a
> load cell to channel 14, none of the other channels are connected and they`re
> all grounded. When we start measuring, everything seems to be fine (except
> from the fact that the signal we get varies pretty much..we expected it to be
> steady), but when we start increasing the weight on the load cell the signal
> starts scattering on channel 15 and 16 though there is nothing connected. The
> more weight we put on the load cell, the more channels get involved... I
> guess it`s a problem with the MUX counter on our card, but I'm not sure how
> to handle this...I once read here that one fast solution would be to cut the
> cables, but this is not a solution for us since we need the full length of
> our cables. Did anyone encounter the same problems ?
>
> John, I've read your mail concerning your DAS-16 card on comedi, probably you
> can help us here ?

Can you send a couple lines of data so I can see exactly what you mean by
'scattering'?

Frank

Received on 2002-06-16Z16:30:11