Chapter 11 VirtualBench-Counter
Getting Started with VirtualBench 11-4 www.ni.com
a. Connect a signal to the SOURCE input of the counter that you
specified in Step 1. Refer to the user manual of your DAQ device
for details or select Windows»Connections on the front panel for
the correct pin numbers.
b. Click the Frequency, Totalize, Period, High Pulse Width, Low
Pulse Width, or Duty Cycle button in the measurement mode
selector. VirtualBench-Counter continuously acquires and
displays the measurement in the display window.
c. If the counter display shows Timeout, confirm that the amount of
time to take the number of samples you want is not greater than
your measurement time. If the counter display shows Overflow,
confirm that your measurement time is short enough to limit the
number of edges the counter receives to less than its maximum
value (2
number of bits
).
d. Click Run to stop the measurement.
3. Measure time between two edges. This feature works only with
devices that have NI-TIO based counters.
a. Connect the starting signal to the AUX_LINE/UP_DOWN input
of the Counter that you specified in Step 1, and connect the
stopping signal to the GATE input of the counter you specified in
Step 1. Refer to the user manual of your DAQ device for details or
select Windows»Connections on the front panel for the correct
pin numbers.
b. Click the Time Between 2 Edges button in the measurement
mode selector. VirtualBench-Counter continuously acquires and
displays the measurement in the display window.
c. If the counter display shows Timeout, confirm that the amount of
time to take the measurement you want is not greater than your
measurement time. If the counter display shows Overflow,
confirm that your measurement time is short enough to limit the
number of edges the counter receives to less than its maximum
value (2
number of bits
).
d. Click Run to stop the measurement.
To Next Page
Loading...
