National Instruments Network Device DAQ S - Manual (Page 58)

Chapter 5 Analog Output
NI 6124/6154 User Manual 5-10 ni.com
Figure 5-9 shows the timing requirements of the AO Start Trigger digital
source.
Figure 5-9. AO Start Trigger Timing Requirements
Using an Analog Source
When you use an analog trigger source, the waveform generation begins on
the first rising edge of the Analog Comparison Event signal. For more
information, refer to the
Triggering with an Analog Source section of
Chapter 11, Triggering .
Routing AO Start Trigger Signal to an Output
Terminal
You can route ao/StartTrigger out to any PFI <0..15> or RTSI <0..7>
terminal.
The output is an active high pulse.
PFI terminals are configured as inputs by default.
AO Pause Trigger Signal
You can use the AO Pause Trigger signal (ao/PauseTrigger) to mask off
samples in a DAQ sequence. That is, when AO Pause Trigger is active,
no samples occur.
The AO Pause Trigger does not stop a sample that is in progress. The pause
does not take effect until the beginning of the next sample. This signal is
not available as an output.
Rising-Edge
Polarity
Falling-Edge
Polarity
t
w
t
w
= 10 ns minimum