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Table of Contents
VXI-MIO Series User Manual vi
National Instruments Corporation
Chapter 3
Hardware Overview
Analog Input ................................................................................................................. 3-3
Input Mode ..................................................................................................... 3-3
Input Polarity and Input Range ...................................................................... 3-4
Considerations for Selecting Input Ranges ...................................... 3-6
Dither .............................................................................................................. 3-7
Multichannel Scanning Considerations .......................................................... 3-8
Analog Output .............................................................................................................. 3-10
Analog Output Reference Selection ............................................................... 3-10
Analog Output Polarity Selection .................................................................. 3-10
Analog Output Reglitch Selection ................................................................. 3-11
Analog Trigger ............................................................................................................. 3-11
Digital I/O ..................................................................................................................... 3-14
Timing Signal Routing ................................................................................................. 3-15
Programmable Function Inputs ...................................................................... 3-16
Module and Timebase .................................................................................... 3-16
VXIbus Triggers ............................................................................................. 3-17
Chapter 4
Signal Connections
I/O Connector ............................................................................................................... 4-1
I/O Connector Signal Descriptions ................................................................ 4-3
Analog Input Signal Connections ................................................................................. 4-9
Types of Signal Sources ............................................................................................... 4-11
Floating Signal Sources .................................................................................. 4-11
Ground-Referenced Signal Sources ............................................................... 4-11
Input Configurations ..................................................................................................... 4-12
Differential Connection Considerations (DIFF Input Configuration) ........... 4-14
Differential Connections for Ground-Referenced
Signal Sources ................................................................................ 4-15
Differential Connections for Nonreferenced or Floating
Signal Sources ................................................................................ 4-16
Single-Ended Connection Considerations ...................................................... 4-18
Single-Ended Connections for Floating Signal Sources
(RSE Configuration) ...................................................................... 4-19
Single-Ended Connections for Grounded Signal Sources
(NRSE Configuration) ................................................................... 4-19
Common-Mode Signal Rejection Considerations .......................................... 4-20
Analog Output Signal Connections .............................................................................. 4-20
Digital I/O Signal Connections .................................................................................... 4-22