National Instruments 6368 User Manual

Contents
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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 ................................................................................... 3-2
+5 V Power Source ...........................................................................................................3-5
USER 1 and USER 2 ........................................................................................................ 3-5
PCI Express Device Disk Drive Power Connector...........................................................3-6
When to Use the Disk Drive Power Connector ........................................................3-6
Disk Drive Power Connector Installation.................................................................3-6
RTSI Connector Pinout.....................................................................................................3-7
USB Device LED Patterns................................................................................................ 3-7
Chapter 4
Analog Input
Analog Input on MIO X Series Devices...........................................................................4-1
Analog Input Range ..................................................................................................4-2
Working Voltage Range ...........................................................................................4-3
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 ...........................................................................4-9
Hardware-Timed Acquisitions..........................................................................4-9
Analog Input Triggering ...........................................................................................4-10
Connecting Analog Input Signals ............................................................................. 4-10
Connecting Floating Signal Sources.........................................................................4-12
What Are Floating Signal Sources?..................................................................4-12
When to Use Differential Connections with Floating Signal Sources.............. 4-12
When to Use Non-Referenced Single-Ended (NRSE) Connections
with Floating Signal Sources......................................................................... 4-12
When to Use Referenced Single-Ended (RSE) Connections
with Floating Signal Sources......................................................................... 4-13
Using Differential Connections for Floating Signal Sources ...........................4-13
Using Non-Referenced Single-Ended (NRSE) Connections
for Floating Signal Sources ...........................................................................4-16
Using Referenced Single-Ended (RSE) Connections
for Floating Signal Sources ...........................................................................4-17

National Instruments 6368 Specifications

General

Brand	National Instruments
Model	6368
Category	Data Loggers
Language	English