Counter Timing Signals; Counter N Source Signal - National Instruments DAQ X Series User Manual

Counter Timing Signals

X Series devices feature the following counter timing signals:
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Note All counter timing signals can be filtered. Refer to the
Chapter 8, PFI, for more information.
In this section, n refers to the X Series Counter 0, 1, 2, or 3. For example,
Counter n Source refers to four signals—Counter 0 Source (the source
input to Counter 0), Counter 1 Source (the source input to Counter 1),
Counter 2 Source (the source input to Counter 2), or Counter 3 Source (the
source input to Counter 3).
Each of these signals supports digital filtering. Refer to the
section of Chapter 8, PFI, for more information.

Counter n Source Signal

The selected edge of the Counter n Source signal increments and
decrements the counter value depending on the application the counter is
performing. Table 7-8 lists how this terminal is used in various
applications.
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Counter n Source Signal
Counter n Gate Signal
Counter n Aux Signal
Counter n A Signal
Counter n B Signal
Counter n Z Signal
Counter n Up_Down Signal
Counter n HW Arm Signal
Counter n Sample Clock Signal
Counter n Internal Output Signal
Counter n TC Signal
Frequency Output Signal
7-41
Chapter 7 Counters
PFI Filters section of
PFI Filters
X Series User Manual