Thermistor wiring in cb-68lp with PCI 6034E

I have a CB-68LP pinout board with a PCI 6034E card on a computer with XP and LabVIEW 7.0.  I have been using type K thermocouples to collect temperatures in a lab and have had no problems thanks to previous help.  I am now going to be moving my temperature collection out doors where I will need to run ~1000 ft of wire to reach my destination.  I want to switch from thermocouples to thermistors to save money on wiring.  I have done a little research on thermistors and there are still unanswered questions.  I know thermocouples connect differentially but I could not find information about how thermistors connect?  Since it is just measuring a change in resistance my guess was that it is single ended but I want to make sure.  That is the main question, if anyone has suggestions on current excitation values or possible problems that I might expect that would be great also.  Thanks

Gorman,
With NI-DAQmx and Measurement Automation Explorer there is actually a feature called connection diagram which will let you select your connection block and tell you exactly which pins you need to connect your sensor to, whether it is a thermistor or a thermocouple.  You can actually set up a thermistor measurement in Measurement and Automation Explorer for current excitation and voltage excitation seperately.
For example, I created a current excitation thermistor task in Measurement and Automation Explorer running into ai0 (channel 0) and I clicked on the connection diagram tab at the bottom.  Here is the diagram that I got.
As you can see, you just need to connect to pins 68 and 34. 
There is also an example program that you can download, which is in LabVIEW.  Here it is.
Hope all this helps.
Regards,
Message Edited by Raajit L on 10-12-2007 06:05 PM
Raajit L
National Instruments
Attachments:
thermistor_current.png ‏23 KB

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    ----- Original Message -----
    From:
    To:
    Sent: Thursday, September 26, 2002 5:00 PM
    Subject: Re: (Reference#1549-QYW196) "Position Control of linear servo table and GV-U6E with PCI-7344
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    > Note: Your reference number is included in the Subject field of this
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    > reference number, or your message may be returned to you.
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    >
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    > Best Regards
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    > Kyle Voosen
    > Applications Engineer
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    > http://www.ni.com/support
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    > ------------------------------------------------------------------------------
    >
    > Problem Description :
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    > Uploaded from device address 0
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    >
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