National Instruments AT-MIO-16X - Manual (Page 5)

Table of Contents
AT-MIO-16X User Manual vi © National Instruments Corporation
Analog Output Reference Selection............................................................... 2-11
Analog Output Polarity Selection .................................................................. 2-12
Digital I/O Configuration ............................................................................................. 2-12
Board and RTSI Clock Configuration .......................................................................... 2-12
Hardware Installation ................................................................................................... 2-13
Signal Connections ....................................................................................................... 2-14
Signal Connection Descriptions..................................................................... 2-17
Analog Input Signal Connections .................................................................. 2-19
Types of Signal Sources................................................................................. 2-21
Floating Signal Sources ................................................................... 2-21
Ground-Referenced Signal Sources................................................. 2-21
Input Configurations ...................................................................................... 2-21
Differential Connection Considerations (DIFF Input
Configuration)............................................................................... 2-22
Differential Connections for Ground-Referenced Signal
Sources.......................................................................................... 2-23
Differential Connections for Nonreferenced or Floating
Signal Sources .............................................................................. 2-24
Single-Ended Connection Considerations ....................................... 2-26
Single-Ended Connections for Floating Signal Sources
(RSE Configuration) ..................................................................... 2-27
Single-Ended Connections for Grounded Signal Sources
(NRSE Configuration) .................................................................. 2-28
Common-Mode Signal Rejection Considerations ........................... 2-29
Analog Output Signal Connections................................................................ 2-29
Digital I/O Signal Connections ...................................................................... 2-31
Power Connections ........................................................................................ 2-32
Timing Connections for Data Acquisition and Analog Output ..................... 2-33
SCANCLK Signal ........................................................................... 2-33
EXTSTROBE* Signal ..................................................................... 2-33
EXTCONV* Signal ......................................................................... 2-34
EXTTRIG* Signal ........................................................................... 2-35
EXTGATE* Signal.......................................................................... 2-36
EXTTMRTRIG* Signal .................................................................. 2-36
Counter Signal Connections ............................................................ 2-37
Field Wiring Considerations......................................................................................... 2-42
Cabling Considerations for the AT-MIO-16X with 50-Pin I/O Connector ................. 2-43
Cabling Considerations for the AT-MIO-16X with 68-Pin I/O Connector ................. 2-44