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Table of Contents
AT-MIO/AI E Series User Manual vi
National Instruments Corporation
Chapter 3
Hardware Overview
Analog Input ................................................................................................................. 3-6
Input Mode ..................................................................................................... 3-6
Input Polarity and Input Range ...................................................................... 3-7
Considerations for Selecting Input Ranges ...................................... 3-10
Dither .............................................................................................................. 3-11
Multiple-Channel Scanning Considerations .................................................. 3-12
Analog Output .............................................................................................................. 3-14
Analog Output Reference Selection ............................................................... 3-14
Analog Output Polarity Selection .................................................................. 3-14
Analog Output Reglitch Selection ................................................................. 3-15
Analog Trigger ............................................................................................................. 3-15
Digital I/O ..................................................................................................................... 3-19
Timing Signal Routing ................................................................................................. 3-19
Programmable Function Inputs ...................................................................... 3-20
Board and RTSI Clocks ................................................................................. 3-21
RTSI Triggers ................................................................................................. 3-21
Chapter 4
Signal Connections
I/O Connector ............................................................................................................... 4-1
I/O Connector Signal Descriptions ................................................................ 4-5
Analog Input Signal Connections ................................................................................. 4-16
Types of Signal Sources ............................................................................................... 4-18
Floating Signal Sources .................................................................................. 4-18
Ground-Referenced Signal Sources ............................................................... 4-18
Input Configurations ..................................................................................................... 4-18
Differential Connection Considerations (DIFF Input Configuration) ........... 4-20
Differential Connections for Ground-Referenced
Signal Sources ................................................................................ 4-21
Differential Connections for Nonreferenced or Floating
Signal Sources ................................................................................ 4-22
Single-Ended Connection Considerations ...................................................... 4-24
Single-Ended Connections for Floating Signal Sources
(RSE Configuration) ...................................................................... 4-25
Single-Ended Connections for Grounded Signal Sources
(NRSE Configuration) ................................................................... 4-25
Common-Mode Signal Rejection Considerations .......................................... 4-26
Analog Output Signal Connections .............................................................................. 4-27
Digital I/O Signal Connections .................................................................................... 4-28