MCC QUAD04

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Hi John,

This is a reply to a message to the COMEDI list from March.

I'm looking for a quadrature decoder card to use with Linux, using the 
COMEDI API if possible. The PCI-QUAD4 card from MCC suits well my 
application, I just read your old posting where you mention a serious 
problem. Could you resolve that problem or shall I better forget about 
this card?

John Conner wrote on Thu, 27 Mar 2003 13:29:00 -0700
 > I'm still seeing problems with the Quadrature Encoder board from
 > Measrurement Computing. Both the PCI and the ISA versions act about
 > the same. The problem is that we do not get real numbers from the
 > counter via the output latch.
 >
 > We've tried a number of different ways of programming the board and
 > all produce more or less the same answere.  We even took a very simple
 > old dos demo from Computer boards and adjusted it to fit Linux. It
 > doesn't work either. Watching the signals on a scope showed nothing
 > unexpected. Timing looks Ok.
 >
 > Has any one got some working code for the ISA version? I heard from
 > one person in the UK that had the problme with the PCI version and gave
 > up.
 >
 > John Conner

Regards,

Vladimir
- --
Vladimir Dzhuvinov <vd_at_valan.net>
PGP key CCE8 3B7C 7907 E537 A9F0  48CB 4D5A D569 AC9A 5C6C

Precise Electrochemical Machining : PEM GmbH : http://www.pemtec.de
Dieselstr. 30 : D-66763 Dillingen : tel +49/6831/9495-27
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Received on 2003-10-17Z12:13:35