Chapter 5
Analog Output
X Series User Manual
5-10
ni.com
•
DI Pa
u
se Trigger (di/Pa
u
seTrigger)
•
DO Pa
u
se Trigger (do/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 AO 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 AO Pause Trigger Signal to an Output
Terminal
Yo
u
can ro
u
te AO Pa
u
se Trigger o
u
t to any PFI <0..15>, RTSI <0..7>, or
PXIe-DSTARC terminal.
AO Sample Clock Signal
Use the AO Sample Clock (ao/SampleClock) signal to initiate AO samples.
Each sample
u
pdates the o
u
tp
u
ts of all of the DACs. Yo
u
can specify an
internal or external so
u
rce for AO Sample Clock. Yo
u
also can specify
whether the DAC
u
pdate begins on the rising edge or falling edge of AO
Sample Clock.
Using an Internal Source
One of the following internal signals can drive AO Sample Clock:
•
AO Sample Clock Timebase (divided down)
•
Co
u
nter
n
Internal O
u
tp
u
t
•
Change Detection Event
•
Co
u
nter
n
Sample Clock
•
AI Convert Clock (ai/ConvertClock)
•
AI Sample Clock (ai/SampleClock)
•
DI Sample Clock (di/SampleClock)
•
DO Sample Clock (do/SampleClock)
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