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National Instruments SCXI-1120 Manuals
Manuals and User Guides for National Instruments SCXI-1120. We have
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National Instruments SCXI-1120 manuals available for free PDF download: User Manual, Quick Start Manual, Calibration Procedure
National Instruments SCXI-1120 User Manual (130 pages)
Eight-Channel Isolated Analog Input Module for Signal Conditioning
Brand:
National Instruments
| Category:
Network Hardware
| Size: 0.58 MB
Table of Contents
User Manual
1
Limited Warranty
3
Table of Contents
4
About this Manual
10
Organization of this Manual
10
Conventions Used in this Manual
11
Related Documentation
12
Customer Communication
12
Chapter 1 Introduction
13
What Your Kit Should Contain
14
Optional Software
14
Optional Equipment
15
Custom Cables
16
Unpacking
16
Chapter 2 Configuration and Installation
17
Module Configuration
17
Figure 2-1. SCXI-1120 General Parts Locator Diagram
18
Figure 2-2. Detailed Parts Locator Diagram
19
Digital Signal Connections
20
Jumper W42
21
Jumper W43
21
Jumper W44
21
Using Jumpers W42 and W43
21
Table 2-1. Digital Signal Connections, Jumper Settings
22
Analog Configuration
23
Grounding, Shielding, and Reference-Mode Selection
23
Jumper W46
23
Direct Temperature Connection
24
Jumper 41
24
Table 2-2. Jumper W46 Settings
24
Gain Jumpers
25
Table 2-3. Jumper W41 Settings
25
Table 2-4. Gain Jumper Allocation
25
Filter Jumpers
26
Table 2-5. Gain Jumper Positions
26
Table 2-6. Filter Jumper Allocation
26
Hardware Installation
27
Signal Connections
27
Front Connector
28
Figure 2-3. SCXI-1120 Front Connector Pin Assignment
28
Front Connector Signal Descriptions
29
Analog Input Channels
29
Figure 2-4. Ground-Referenced Signal Connection with High Common-Mode Voltage
30
Figure 2-5. Floating Signal Connection Referenced to Chassis Ground for Better Signal-To-Noise Ratio
30
Figure 2-6. Floating AC-Coupled Signal Connection
30
Figure 2-7. AC-Coupled Signal Connection with High Common-Mode Voltage
31
Temperature Sensor Connection
31
Connector-And-Shell Assembly
32
Figure 2-8. Assembling and Mounting the SCXI-1330 Connector-And-Shell Assembly
33
SCXI-1320 and SCXI-1328 Terminal Blocks
33
Terminal Block Temperature Sensor
34
Table 2-7. Jumper Settings on the SCXI-1320 Terminal Block
35
Terminal Block Jumper Configuration
35
Table 2-8. Jumper Settings on the SCXI-1328 Terminal Block
36
Terminal Block Signal Connection
36
Figure 2-9. SCXI-1320 Parts Locator Diagram
37
Figure 2-10. SCXI-1328 Parts Locator Diagram
38
Terminal Block Installation
39
Rear Signal Connector
39
Figure 2-11. SCXI-1120 Rear Signal Connector Pin Assignment
40
Rear Signal Connector Signal Descriptions
41
Analog Output Signal Connections
42
Digital I/O Signal Connections
42
Table 2-9. Scxibus to SCXI-1120 Rear Signal Connector to Data Acquisition Board Pin Equivalences
43
Communication Signals
44
Figure 2-12. SCANCLK Timing Requirements
44
Timing Requirements and Communication Protocol
44
Timing Signal
44
Figure 2-13. Slot-Select Timing Diagram
45
Figure 2-14. Serial Data Timing Diagram
46
Figure 2-15. Configuration Register Write Timing Diagram
47
Figure 2-16. SCXI-1120 Module ID Register Timing Diagram
47
Chapter 3 Theory of Operation
48
Functional Overview
48
Figure 3-1. SCXI-1120 Block Diagram
48
Scxibus Connector
49
Figure 3-2. Scxibus Connector Pin Assignment
50
Scxibus Connector Signal Descriptions
51
Table 3-1. Scxibus Equivalents for the Rear Signal Connector
52
Digital Interface
53
Figure 3-3. Digital Interface Circuitry Block Diagram
53
Digital Control Circuitry
54
Figure 3-4. SCXI-1120 Digital Control
54
Analog and Timing Circuitry
55
Analog Input Channels
55
Figure 3-5. Analog Input Block Diagram
56
Calibration
57
Calibration Equipment Requirements
57
Offset Null Adjust
58
Analog Output Circuitry
59
Figure 3-6. Analog Output Circuitry
59
Table 3-2. Calibration Potentiometers Reference Designators
59
Scanning Modes
60
Single-Module Parallel Scanning
61
Multiplexed Scanning
61
Figure 3-7. Single-Module Parallel Scanning
61
Single-Module Multiplexed Scanning
61
Single-Module Multiplexed Scanning (Direct)
61
Figure 3-8. Single-Module Multiplexed Scanning (Direct)
62
Figure 3-9. Single-Module Multiplexed Scanning (Indirect)
62
Multiple-Module Multiplexed Scanning
62
Single-Module Multiplexed Scanning (Indirect)
62
Figure 3-10. Multiple-Module Multiplexed Scanning
63
Figure 3-11. Multiple-Chassis Scanning
63
Multiple-Chassis Scanning
63
Chapter 4 Register Descriptions
64
Register Description
64
Register Description Format
64
SCXI-1120 Registers
64
Module ID Register
65
Configuration Register
66
Slot 0 Register Descriptions
68
Slot-Select Register
69
Hardscan Control Register (HSCR)
70
FIFO Register
71
Chapter 5 Programming
72
Programming Considerations
72
Notation
72
Register Writes
72
Register Selection and Write Procedure
73
Table 5-1. SCXI-1120 Rear Signal Connector Pin Equivalences
73
Initialization
74
Single-Channel Measurements
74
Direct Measurements
74
Parallel Output
74
Indirect Measurements
75
Measurements from Other Modules
75
Measurements from the SCXI-1120 Via Another Module
75
Multiplexed Output
75
Scanning Measurements
76
Data Acquisition Board Setup Programming
77
Counter 1 and SCANDIV
79
Module Programming
79
Single-Module Parallel Scanning
79
Channel Scanning from Other Modules
80
Channel Scanning from the SCXI-1120 Via Another Module
80
Multiple-Module Multiplexed Scanning
80
Single-Module Multiplexed Scanning (Direct)
80
Single-Module Multiplexed Scanning (Indirect)
80
Multiple-Chassis Scanning
81
Programming the Slot 0 Hardscan Circuitry
81
Acquisition Enable, Triggering, and Servicing
83
Scanning Examples
83
Example 1
83
Example 2
84
Example 3
85
Appendix A Specifications
87
Analog Input
87
Cold-Junction Sensor
88
Physical
89
Operating Environment
89
Storage Environment
89
Appendix B Rear Signal Connector
90
Figure B-1. SCXI-1120 Rear Signal Connector Pin Assignment
90
Rear Signal Connector Signal Descriptions
91
Appendix Cscxibus Connector
93
Figure C-1. Scxibus Connector Pin Assignment
94
Scxibus Connector Signal Descriptions
95
Appendix D SCXI-1120 Front Connector
97
Figure D-1. SCXI-1120 Front Connector Pin Assignment
97
Front Connector Signal Descriptions
98
Appendix Escxi-1120 Cabling
99
SCXI-1340 Cable Assembly
99
SCXI-1340 Installation
100
Table E-1. SCXI-1120 and MIO-16 Board Pinout Equivalences
100
SCXI-1341 Lab-NB, Lab-PC, or Lab-PC+ and SCXI-1344 Lab-LC Cable Assembly
101
Figure E-1. SCXI-1340 Installation
101
SCXI-1341 and SCXI-1344 Installation
102
Table E-2. SCXI-1341 and SCXI-1344 Pin Translations
102
SCXI-1342 PC-LPM-16 Cable Assembly
103
Table E-3. SCXI-1342 Pin Translations
103
SCXI-1342 Installation
104
SCXI-1180 Feedthrough Panel
104
SCXI-1180 Installation
104
Figure E-2. SCXI-1180 Rear Connections
105
SCXI-1302 50-Pin Terminal Block
106
Figure E-3. SCXI-1180 Front Panel Installation
106
SCXI-1302 Wiring Procedure
106
SCXI-1302 Installation
107
SCXI-1351 One-Slot Cable Extender
107
Figure E-4. Cover Removal
107
SCXI-1351 Installation
108
SCXI-1350 Multichassis Adapter
108
SCXI-1350 Installation
108
SCXI-1343 Rear Screw Terminal Adapter
109
SCXI-1343 Installation
109
Table E-4. SCXI-1343 Pin Connections
110
Appendix F
111
Figure F-1. Revision a and B SCXI-1120 Signal Conditioning Module
111
Revision a and B Photo and Parts Locator Diagrams
111
Figure F-2. Revision a and B SCXI-1120 General Parts Locator Diagram
112
Figure F-3. Revision a and B SCXI-1120 Detailed Parts Locator Diagram
113
Appendix G Customer Communication
114
Glossary
118
Index
122
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National Instruments SCXI-1120 User Manual (73 pages)
Eight-Channel Isolated Analog Input Module and Eight-Channel Wide Band Isolated Analog Input Module for Signal Conditioning
Brand:
National Instruments
| Category:
I/O Systems
| Size: 0.51 MB
Table of Contents
Table of Contents
4
About this Manual
7
Conventions
7
National Instruments Documentation
8
About the SCXI-1120/D
9
Introduction
9
What You Need to Get Started
10
National Instruments Application Software
11
Software Programming Choices
11
Unpacking
11
NI-DAQ Driver Software
12
Figure 1-1. the Relationship between the Programming Environment
13
Optional Equipment
13
Configuration and Installation
14
Module Configuration
14
Figure 2-1. SCXI-1120/D Parts Locator Diagram
15
Digital Signal Connections
17
Figure 2-2. Removing the SCXI Module Cover
17
Using Jumpers W42 and W43
18
Using Jumper W44 on Revision C of the SCXI-1120 and All Revisions of the SCXI-1120D
19
Using Jumper W44 on Revisions a and B of the SCXI-1120
19
Table 2-1. Digital Signal Connections, Jumper Settings
20
Analog Configuration
21
Grounding, Shielding, and Reference-Mode Selection
21
Table 2-2. Jumper W46 Settings
22
Direct Temperature Connection
23
Gain Jumpers for the SCXI-1120/D
23
Table 2-3. Jumper W41 Settings
23
Table 2-4. Gain Jumper Allocation
23
Table 2-5. Gain Jumper Positions
24
SCXI-1120 Filter Jumpers
25
Table 2-6. SCXI-1120 Filter Jumper Allocation
25
SCXI-1120D Filter Jumpers
26
Table 2-7. SCXI-1120D Filter Jumper Allocation
26
Hardware Installation
27
Signal Connections
28
Figure 3-1. SCXI-1120/D Front Connector Pin Assignments
30
SCXI-1120/D Front Connector
30
Front Connector Signal Descriptions
31
Table 3-1. SCXI-1120/D Front Connector Signal Descriptions
31
Analog Input Channels
32
Figure 3-2. Ground-Referenced Signal Connection for the SCXI-1120/D with High Common-Mode Voltage
32
Figure 3-3. Floating Signal Connection for the SCXI-1120/D Referenced to
32
Floating AC-Coupled Signal Connection for the SCXI-1120
33
High Common-Mode Voltage
33
Floating AC-Coupled Signal Connection for the SCXI-1120D
34
High Common Mode Voltage
34
Temperature Sensor Connection
34
SCXI-1120/D Rear Connector
35
SCXI-1120/D Rear Signal Connector Pin Assignments
35
Rear Connector Signal Descriptions
36
Table 3-2. Rear Connector Signal Descriptions
36
Analog Output Signal Connections
37
Table 3-3. Scxibus to SCXI-1120/D Rear Connector to DAQ Device Pin Equivalencies
38
Functional Overview
39
Theory of Operation
39
Power-Up State
40
Digital Interface Circuitry Block Diagram
41
Scxibus Connector and Digital Interface
41
Digital Control Circuitry
42
Analog and Timing Circuitry
43
Analog Input Block Diagram
44
Analog Input Channels
44
Analog Output Circuitry
47
Calibration
50
Calibration Equipment Requirements
50
Offset Null Adjust
50
Table 5-1. Calibration Potentiometers Reference Designators
51
Appendix A Specifications
52
Table A-1. Input Signal Range
56
Table A-2. System Noise RTI (0.1 Hz to 50 Khz
57
Table A-3. Switching Supply Noise (Approximately at 100 Khz
58
Technical Support Resources
60
Glossary
62
Index
69
National Instruments SCXI-1120 Quick Start Manual (25 pages)
Signal Conditioning eXtensions for Instrumentation
Brand:
National Instruments
| Category:
Test Equipment
| Size: 2.34 MB
Table of Contents
Step 4. Install the Modules
6
Windows Device Recognition
12
Troubleshooting
19
Frequently Asked Questions
20
Worldwide Technical Support
21
Specifications
22
Electromagnetic Compatibility
22
Online Product Certification
22
Environmental Management
23
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National Instruments SCXI-1120 Calibration Procedure (19 pages)
Brand:
National Instruments
| Category:
Control Unit
| Size: 0.36 MB
Table of Contents
Test Equipment
2
Software and Documentation
2
Test Conditions
3
Setting up the Module
4
Specifications
15
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