Comparing The Measured Frequency To The Ni 6601/6602 Device Specifications - National Instruments NI 6601 Manual

Calibration procedure
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Traditional NI-DAQ Function Call
Call
GPCTR_Control
parameters:
deviceNumber: The value set by MAX
gpctrNum:
ND_COUNTER_1
action:
ND_RESET
Comparing the Measured Frequency to the NI 6601/6602 Device
Specifications
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14. Reset counter 1 on the PXI-6608 to its original state, if necessary.
with the following
You have now completed measuring the frequency of the crystal oscillator
on the NI 6601/6602 device.
Compare the calculated frequency from step 11 in the previous section with
the following values:
If the frequency you measure falls between the upper limit of
20,001,500 Hz and the lower limit of 19,998,500 Hz, the device is
operating within its specifications.
If the frequency you measure is above 20,001,500 Hz, the device is
nonfunctional. Return the device to NI for repair or replacement.
If the frequency you measure is below 19,998,500 Hz, the device is
nonfunctional. Return the device to NI for repair or replacement.
You have completed verifying the operation of the NI 6601/6602 device.
LabVIEW Block Diagram
"TASK ID" in connects to "TASK ID" out of step 3e
in the
Setting Up the Stable Clock
section.
370270C-01
Oct09

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