Chapter 7
Counters
X Series User Manual
7-30
ni.com
Counter Output Applications
The following sections list the vario
u
s co
u
nter o
u
tp
u
t applications
available on X Series devices:
•
Simple Pulse Generation
•
Pulse Train Generation
•
Frequency Generation
•
Frequency Division
•
Pulse Generation for ETS
Simple Pulse Generation
Refer to the following sections for more information abo
u
t the X Series
simple p
u
lse generation options:
•
Single Pulse Generation
•
Single Pulse Generation with Start Trigger
Single Pulse Generation
The co
u
nter can o
u
tp
u
t a single p
u
lse. The p
u
lse appears on the Co
u
nter
n
Internal O
u
tp
u
t signal of the co
u
nter.
Yo
u
can specify a delay from when the co
u
nter is armed to the beginning
of the p
u
lse. The delay is meas
u
red in terms of a n
u
mber of active edges of
the So
u
rce inp
u
t.
Yo
u
can specify a p
u
lse width. The p
u
lse width is also meas
u
red in terms
of a n
u
mber of active edges of the So
u
rce inp
u
t. Yo
u
also can specify the
active edge of the So
u
rce inp
u
t (rising or falling).
Fig
u
re 7-27 shows a generation of a p
u
lse with a p
u
lse delay of fo
u
r and a
p
u
lse width of three (
u
sing the rising edge of So
u
rce).
Figure 7-27.
Single Pulse Generation
S
OURCE
OUT
Co
u
nter Armed
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