Chapter 4
Analog Input
©
National Instruments
4-39
X Series User Manual
Figure 4-24.
Halt (Internal Clock) and Free Running (External Clock)
Using a Digital Source
To
u
se AI Pa
u
se Trigger, specify a so
u
rce and a polarity. The so
u
rce can be
any of the following signals:
•
PFI <0..15>
•
RTSI <0..7>
•
PXI_STAR
•
PXIe-DSTAR<A,B>
•
Co
u
nter
n
Internal O
u
tp
u
t
•
Co
u
nter
n
Gate
•
AO Pa
u
se Trigger (ao/Pa
u
seTrigger)
•
DO Pa
u
se Trigger (do/Pa
u
seTrigger)
•
DI Pa
u
se Trigger (di/Pa
u
seTrigger)
The so
u
rce also can be one of several other internal signals on yo
u
r DAQ
device. Refer to
Device Routing in MAX
in the
NI-DAQmx Help
or the
LabVIEW Help
for more information.
AI
Sa
mple Clock
AI Convert Clock
AI P
aus
e Trigger
T
A
AI Extern
a
l
Sa
mple Clock
AI Convert Clock
AI P
aus
e Trigger
H
a
lt. U
s
ed on Intern
a
l Clock
Free R
u
nning. U
s
ed on Extern
a
l Clock
T – A
AI
Sa
mple Clock
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