National Instruments SCXI -1124, User Manual

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© National Instruments Corporation v SCXI-1124 User Manual
Contents
___________________________________________________
About This Manual
........................................................................................................... vii
Organization of This Manual ....................................................................................... vii
Conventions Used in This Manual ............................................................................... viii
The National Instruments Documentation Set ............................................................. ix
Related Documentation ................................................................................................ ix
Customer Communication ........................................................................................... x
Chapter 1
Introduction
....................................................................................................................... 1-1
What Your Kit Should Contain.................................................................................... 1-1
Software Programming Choices .................................................................................. 1-1
LabVIEW and LabWindows Application Software ........................................ 1-1
NI-DAQ Driver Software................................................................................. 1-2
Register-Level Programming ........................................................................... 1-3
Optional Equipment ..................................................................................................... 1-4
Custom Cables ................................................................................................. 1-5
Unpacking .................................................................................................................... 1-5
Chapter 2
Configuration and Installation
.................................................................................... 2-1
Module Configuration .................................................................................................. 2-1
Supplementary Jumper Configuration Information ......................................... 2-3
Hardware Installation ................................................................................................... 2-3
Chapter 3
Signal Connections
........................................................................................................... 3-1
Front Connector .......................................................................................................... 3-3
Front Connector Signal Descriptions ............................................................... 3-4
Analog Output Channel Signal Connections ....................................... 3-4
Chassis Ground Connections ............................................................... 3-7
Rear Signal Connector ................................................................................................. 3-7
Rear Signal Connector Signal Descriptions ..................................................... 3-8
Digital I/O Signal Connections ............................................................ 3-9
Chapter 4
Theory of Operation
........................................................................................................ 4-1
Functional Overview .................................................................................................... 4-1
Rear Signal Connector, SCXIbus Connector, and SCXIbus Interface ............ 4-2
Digital Control Circuitry .................................................................................. 4-2
Analog Output Circuitry .................................................................................. 4-3
Voltage Output Circuitry ..................................................................... 4-3
Noise Reduction ................................................................................... 4-4
Changing Ranges ................................................................................. 4-5
Current Output ..................................................................................... 4-5