Triggering With An Analog Source - National Instruments DAQ X Series User Manual

Chapter 11 Triggering
You also can program your DAQ device to perform an action in response to
a trigger from a digital source. The action can affect the following:
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•
•
•

Triggering with an Analog Source

Some X Series devices can generate a trigger on an analog signal. To find
your device triggering options, refer to the specifications document for
your device.
Figure 11-2 shows the analog trigger circuit on MIO X Series devices.
+
Analog
Input
Channels
–
APFI <0..1>
X Series User Manual
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Analog input acquisition
Analog output generation
Counter behavior
Digital waveform acquisition and generation
PGIA
ADC
Analog
Mux Trigger
Detection
Figure 11-2. MIO X Series Device Analog Trigger Circuit
11-2
AI Circuitry
Analog Comparison
Event AO Circuitry
(Analog Trigger
DIO Circuitry
Circuitry Output)
Counter Circuitry
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