- NATIONAL INSTRUMENTS Reconfigurable I/O User Manual NI PXI-7831R

© National Instruments Corporation v NI PXI-7831R User Manual
Contents
About 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