Chapter 6
Digital I/O
X Series User Manual
6-22
ni.com
Using a Digital Source
To
u
se DO Pa
u
se Trigger, specify a so
u
rce and a polarity. The so
u
rce can
be one 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
•
AI Pa
u
se Trigger (ai/Pa
u
seTrigger)
•
AO Pa
u
se Trigger (ao/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.
Yo
u
also can specify whether the samples are pa
u
sed when DO Pa
u
se
Trigger is at a logic high or low level.
Using an Analog Source
When yo
u
u
se an analog trigger so
u
rce, the samples are pa
u
sed when the
Analog Comparison Event signal is at a high level. Refer to the
Triggering
with an Analog Source
section of Chapter 11,
Triggering
, for more
information.
Routing DO Pause Trigger Signal to an Output
Terminal
Yo
u
can ro
u
te DO Pa
u
se Trigger o
u
t to any RTSI <0..7>, PFI <0..15>, or
PXIe-DSTARC terminal.
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