National Instruments DAQ X Series User Manual

Contents
X Series User Manual viii ni.com
Signal Conditioning....................................................................................................... 2-8
Sensors and Transducers................................................................................. 2-8
Signal Conditioning Options........................................................................... 2-9
SCXI ................................................................................................. 2-9
SCC................................................................................................... 2-9
Programming Devices in Software................................................................................ 2-10
Chapter 3
Connector and LED Information
I/O Connector Signal Descriptions................................................................................ 3-1
+5 V Power Source........................................................................................................ 3-3
PCI Express Device Disk Drive Power Connector ....................................................... 3-4
When to Use the Disk Drive Power Connector .............................................. 3-4
Disk Drive Power Connector Installation ....................................................... 3-4
RTSI Connector Pinout ................................................................................................. 3-5
USB Device LED Patterns ............................................................................................ 3-5
Chapter 4
Analog Input
Analog Input on MIO X Series Devices........................................................................ 4-1
Analog Input Range ........................................................................................ 4-2
Working Voltage Range.................................................................................. 4-4
Analog Input Ground-Reference Settings....................................................... 4-4
Configuring AI Ground-Reference Settings in Software ................. 4-6
Multichannel Scanning Considerations .......................................................... 4-6
Analog Input Data Acquisition Methods ........................................................ 4-9
Software-Timed Acquisitions........................................................... 4-10
Hardware-Timed Acquisitions ......................................................... 4-10
Analog Input Triggering ................................................................................. 4-11
Connecting Analog Input Signals ................................................................... 4-11
Connecting Floating Signal Sources ............................................................... 4-13
What Are Floating Signal Sources?.................................................. 4-13
When to Use Differential Connections with Floating
Signal Sources ............................................................................... 4-13
When to Use Non-Referenced Single-Ended (NRSE)
Connections with Floating Signal Sources .................................... 4-13
When to Use Referenced Single-Ended (RSE) Connections
with Floating Signal Sources ......................................................... 4-14
Using Differential Connections for Floating Signal Sources ........... 4-15
Using Non-Referenced Single-Ended (NRSE) Connections
for Floating Signal Sources ........................................................... 4-18
Using Referenced Single-Ended (RSE) Connections
for Floating Signal Sources ........................................................... 4-19
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National Instruments DAQ X Series Specifications

General

Brand	National Instruments
Model	DAQ X Series
Category	I/O Systems
Language	English