National Instruments 3.21E+04 Chapter 3 Hardware Overview, Chapter 4 Signal Connections

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