© National Instruments Corporation v NI PXI-7831R User Manual
ContentsAbout This Manual
Conventions...................................................................................................................vii
Reconfigurable I/O Documentation...............................................................................viii
Related Documentation..................................................................................................viii
Chapter 1
Introduction
About the Reconfigurable I/O Devices..........................................................................1-1
Using PXI with CompactPCI.........................................................................................1-2
What You Need to Get Started......................................................................................1-3
Getting Started with Windows 2000/XP.........................................................1-3
Getting Started with the RT Module...............................................................1-4
Overview of Reconfigurable I/O...................................................................................1-5
Reconfigurable I/O Concept............................................................................1-5
Flexible Functionality.......................................................................1-5
User-Defined I/O Resources.............................................................1-6
Device-Embedded Logic and Processing .........................................1-6
Reconfigurable I/O Architecture.....................................................................1-6
Reconfigurable I/O Applications.....................................................................1-8
Software Development..................................................................................................1-8
FPGA Module.................................................................................................1-9
RT Module.......................................................................................................1-9
Cables and Optional Equipment....................................................................................1-9
Custom Cabling.............................................................................................................1-10
Unpacking......................................................................................................................1-11
Safety Information.........................................................................................................1-11
Chapter 2
Hardware Overview of the NI PXI-7831R
Analog Input..................................................................................................................2-2
Input Modes.....................................................................................................2-3
Input Range.....................................................................................................2-3
Connecting Analog Input Signals..................................................................................2-4
Types of Signal Sources................................................................................................2-5
Floating Signal Sources...................................................................................2-6
Ground-Referenced Signal Sources ................................................................2-6
Input Modes...................................................................................................................2-6
Differential Connection Considerations (DIFF Input Mode)..........................2-8