National Instruments DAQ X Series User Manual

Contents
© National Instruments ix X Series User Manual
Connecting Ground-Referenced Signal Sources .............................................4-20
What Are Ground-Referenced Signal Sources?................................4-20
When to Use Differential Connections with
Ground-Referenced Signal Sources ...............................................4-20
When to Use Non-Referenced Single-Ended (NRSE)
Connections with Ground-Referenced Signal Sources ..................4-21
When to Use Referenced Single-Ended (RSE)
Connections with Ground-Referenced Signal Sources ..................4-21
Using Differential Connections for Ground-Referenced
Signal Sources................................................................................4-22
Using Non-Referenced Single-Ended (NRSE) Connections
for Ground-Referenced Signal Sources .........................................4-23
Field Wiring Considerations............................................................................4-24
Analog Input Timing Signals ..........................................................................4-24
Aggregate versus Single Channel Sample Rates ..............................4-27
AI Sample Clock Signal....................................................................4-28
AI Sample Clock Timebase Signal ...................................................4-30
AI Convert Clock Signal...................................................................4-31
AI Convert Clock Timebase Signal ..................................................4-34
AI Hold Complete Event Signal .......................................................4-34
AI Start Trigger Signal......................................................................4-35
AI Reference Trigger Signal .............................................................4-37
AI Pause Trigger Signal....................................................................4-38
Getting Started with AI Applications in Software ..........................................4-40
Analog Input on Simultaneous MIO X Series Devices .................................................4-41
Analog Input Terminal Configuration.............................................................4-42
Analog Input Range.........................................................................................4-42
Working Voltage Range ..................................................................................4-43
Analog Input Data Acquisition Methods.........................................................4-44
Analog Input Triggering..................................................................................4-46
Connecting Analog Input Signals....................................................................4-46
Types of Signal Sources....................................................................4-47
Differential Connections for Ground-Referenced Signal Sources....4-48
Differential Connections for Floating Signal Sources ......................4-49
Field Wiring Considerations............................................................................4-51
Minimizing Drift in Differential Mode .............................................4-51
Analog Input Timing Signals ..........................................................................4-52
Aggregate versu
s Single Channel Sample Rates ..............................4-53
AI Sample
Clock Signal....
................................................................4-54
AI Sample Clock Timebase Signal ...................................................4-56
AI Hold Complete Event Signal .......................................................4-57
AI Start Trigger Signal......................................................................4-57
AI Reference Trigger Signal .............................................................4-59
AI Pause Trigger Signal....................................................................4-61
Getting Started with AI Applications in Software ..........................................4-62
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National Instruments DAQ X Series Specifications

General

Brand	National Instruments
Model	DAQ X Series
Category	I/O Systems
Language	English