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Frequency Question

Hello,

I am trying to make a frequency measurement. I have a lab-pc-1200 NI card
that I am using with Labview 4. When I try to run the Counter - How to
measure Freq. and period VI, I get the following error:

Error 10403 occurred at CTR Group config. The specified device does not
support the requested action.

Does the 1200 DAQ support this or why am I getting this error. I would
assume that I should be able to connect the signal to the Gate B1 port and
read the frequency.

TIA
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Message 1 of 4
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Be sure that you are not using counter VI's which are intended for E-series boards with DAQ-STC counters. The 1200 DAQ does not have these counters, so the NI-DAQ software will return this type of error.

Mark
Message 2 of 4
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Is there a VI for the 1200 boards? What is it called?

Darren

"markwysong" wrote in message
news:506500000005000000C26B0000-1017707437000@exchange.ni.com...
> Be sure that you are not using counter VI's which are intended for
> E-series boards with DAQ-STC counters. The 1200 DAQ does not have
> these counters, so the NI-DAQ software will return this type of error.
>
> Mark
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Message 3 of 4
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Darren,

On your diagram, right click and look under Functions->Data Acquisition->Counter->AM9513 & 8253 Compatibility. There are many VIs in there that you can use for the counters on this board. The 1200 contains 3 16-bit counters, and they are of type 8253, so these are the ones you need to use.

Mark
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