© National Instruments Corporation v NI USB-621x User Manual
Contents
About This Manual
Conventions ...................................................................................................................xiii
Related Documentation..................................................................................................xiv
NI-DAQmx for Windows................................................................................xiv
LabVIEW ........................................................................................................xiv
LabWindows™/CVI™....................................................................................xv
Measurement Studio........................................................................................xv
ANSI C without NI Application Software ......................................................xv
.NET Languages without NI Application Software ........................................xvi
Device Documentation and Specifications......................................................xvi
Training Courses .............................................................................................xvi
Technical Support on the Web ........................................................................xvi
Chapter 1
Getting Started
Installing NI-DAQmx ....................................................................................................1-2
Installing Other Software...............................................................................................1-2
Installing the Hardware..................................................................................................1-3
Device Pinouts ...............................................................................................................1-3
Device Specifications ....................................................................................................1-3
Device Accessories ........................................................................................................1-3
Chapter 2
DAQ System Overview
DAQ Hardware ..............................................................................................................2-1
DAQ-STC2......................................................................................................2-2
Calibration Circuitry........................................................................................2-2
Signal Conditioning .......................................................................................................2-3
Sensors and Transducers .................................................................................2-3
Programming Devices in Software ................................................................................2-4
Chapter 3
Connector Information
I/O Connector Signal Descriptions ................................................................................3-1
+5 V Power ....................................................................................................................3-2
+5 V Power as an Output ................................................................................3-2
+5 V Power as an Input ...................................................................................3-3
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