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PXI-7842
National Instruments PXI-7842 - User Manual
71 pages
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PXI-7842
2
Table of Contents
Main Page
Table of Contents
5
About this Manual
8
Conventions
8
Related Documentation
8
Software Documentation
9
Additional Resources
10
Device-Specific Documentation
10
About the Reconfigurable I/O Device
11
Introduction
11
Using PXI with Compactpci
12
Overview of Reconfigurable I/O
13
Reconfigurable I/O Concept
13
Device-Embedded Logic and Processing
14
Flexible Functionality
14
User-Defined I/O Resources
14
Reconfigurable I/O Architecture
15
Labview FPGA Module
16
Reconfigurable I/O Applications
16
Software Development
16
Labview Real-Time Module
17
Cables and Accessories
18
Custom Cabling
19
Hardware Overview of the ni 78 XX R
20
NI 7811R Overview
22
NI 7813R Overview
22
NI 7830R Overview
22
Analog Input (ni 783Xr/784Xr/785Xr Only)
23
NI 7831R/7833R Overview
23
NI 784Xr Overview
23
NI 785Xr Overview
23
Input Modes
24
Input Range
24
Connecting Analog Input Signals
25
Floating Signal Sources
27
Ground-Referenced Signal Sources
27
Input Modes
27
Types of Signal Sources
27
Differential Connection Considerations (DIFF Input Mode)
29
Differential Connections for Ground-Referenced Signal Sources
30
Differential Connections for Nonreferenced or Floating Signal Sources
31
Single-Ended Connection Considerations
32
Single-Ended Connections for Floating Signal Sources (RSE Input Mode)
33
Single-Ended Connections for Grounded Signal Sources (NRSE Input Mode)
34
Analog Output
35
Common-Mode Signal Rejection Considerations
35
Connecting Analog Output Signals
36
Connecting Digital I/O Signals
36
Digital I/O
36
PXI Local Bus (ni PXI-781Xr/783Xr Only)
40
RTSI Trigger Bus
40
Switch Settings (ni 781Xr/783Xr Only)
42
+5 V Power Source
45
Device Fuse Replacement (ni 784Xr/785Xr Only)
46
PCI Express Device Disk Drive Power Connector
47
When to Use the Disk Drive Power Connector
47
Disk Drive Power Connector Installation
48
Field Wiring Considerations (ni 783Xr/784Xr/785Xr Only)
49
Calibration (ni 783 X R/784 X R/785 X R Only)
50
Loading Calibration Constants
50
Self-Calibration
50
External Calibration
51
Appendix A Connecting I/O Signals
53
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National Instruments PXI-7842 Specifications
General
Brand
National Instruments
Model
PXI-7842
Category
I/O Systems
Language
English
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