National Instruments NI 6323 User Manual

Chapter 4 Analog Input
© National Instruments 4-53 X Series User Manual
counter is then loaded with the number of posttrigger samples, in this
example, three.
Figure 4-29. Typical Pretriggered DAQ Sequence
If an AI Reference Trigger (ai/ReferenceTrigger) pulse occurs before the
specified number of pretrigger samples are acquired, the trigger pulse is
ignored. Otherwise, when the AI Reference Trigger pulse occurs, the
sample counter value decrements until the specified number of posttrigger
samples have been acquired. For more information about start and
reference triggers, refer to the Analog Input Triggering section.
Simultaneous MIO X Series devices feature the following analog input
timing signals:
• AI Sample Clock Signal
*
• AI Sample Clock Timebase Signal
• AI Hold Complete Event Signal
• AI Start Trigger Signal
*
• AI Reference Trigger Signal
*
• AI Pause Trigger Signal
*
Signals with an
*
support digital filtering. Refer to the PFI Filters section
of Chapter 8, PFI, for more information.
Aggregate versus Single Channel Sample Rates
Simultaneous MIO X Series devices have one ADC per channel so the
single channel maximum sample rate can be achieved on each channel. The
maximum single channel rate is the fastest you can acquire data on the
device from a single or multiple channels and still achieve accurate results.
Don't Care
01231 0222
AI Start Trigger
AI Reference Trigger
AI Sample Clock
Sample Counter
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National Instruments NI 6323 Specifications

General

Brand	National Instruments
Model	NI 6323
Category	I/O Systems
Language	English