Sign In
Upload
Manuals
Brands
National Instruments Manuals
Measuring Instruments
SCXI-1520
National Instruments SCXI-1520 Manuals
Manuals and User Guides for National Instruments SCXI-1520. We have
5
National Instruments SCXI-1520 manuals available for free PDF download: User Manual, Getting Started, Quick Start Manual, Calibration Procedure
National Instruments SCXI-1520 User Manual (163 pages)
Brand:
National Instruments
| Category:
Measuring Instruments
| Size: 2.7 MB
Table of Contents
Important Information
3
Table of Contents
5
Chapter 1 About the SCXI-1520
11
What You Need to Get Started
11
Table 1-1. Accessories Available for the SCXI-1520
12
National Instruments Documentation
13
Installing Application Software, NI-DAQ, and the E/M Series DAQ Device
15
Installing the SCXI-1520 Module into the SCXI Chassis
15
Connecting the SCXI-1520 in an SCXI Chassis to an E/M Series DAQ Device for Multiplexed Scanning
15
Connecting the SCXI-1520 in a PXI/SCXI Combination Chassis to an E/M Series DAQ Device for Multiplexed Scanning
15
Verifying the SCXI-1520 Installation in Software
16
Installing SCXI Using NI-Daqmx in Software
16
Manually Adding Modules in NI-Daqmx
16
Installing SCXI Using Traditional NI-DAQ (Legacy) in Software
16
Manually Adding Modules in Traditional NI-DAQ (Legacy)
16
Verifying and Self-Testing the Installation
16
Troubleshooting the Self-Test Verification
17
Troubleshooting in NI-Daqmx
17
Troubleshooting in Traditional NI-DAQ (Legacy)
18
Chapter 2 Connecting Signals
20
Connecting Bridge Sensor Signals
20
Quarter-Bridge Type I
20
Quarter-Bridge Type II
21
Appendix D
21
Figure 2-1. Quarter-Bridge I Circuit Diagram
21
Figure 2-2. Quarter-Bridge II Circuit Diagram
22
Figure 2-3. Half-Bridge Type I Circuit Diagram
23
Half-Bridge Type I
23
Figure 2-4. Half-Bridge Type II Circuit Diagram
24
Half-Bridge Type II
24
Figure 2-5. Full-Bridge Type I Circuit Diagram
25
Full-Bridge Type I
25
Figure 2-6. Full-Bridge Type II Circuit Diagram
26
Full-Bridge Type II
26
Figure 2-7. Full-Bridge Type III Circuit Diagram
27
Full-Bridge Type III
27
Figure 2-8. Remote-Sense Circuit Diagram
28
Remote Sense
28
Pin Assignments
29
Table 2-1. Front Signal Pin Assignments
30
Table 2-2. Rear Signal Pin Assignments
32
Table 2-3. SCXI-1520 Communication Signals
33
Chapter 3 Configuring and Testing
35
SCXI-1520 Software-Configurable Settings
35
Common Software-Configurable Settings
35
Bridge Configuration
35
Excitation Level
36
Filter Bandwidth
36
Table 3-1. Excitation Voltage for Configuration and Gauge Resistances
36
Gain/Input Range
37
Null Potentiometers
38
Shunt Calibration Switches
38
Modes of Operation
39
Simultaneous Sample and Hold
39
Configurable Settings in MAX
39
NI-Daqmx
40
Creating a Strain Global Channel or Task
41
Creating a Custom Voltage with Excitation Global Channel or Task
42
Traditional NI-DAQ (Legacy)
43
Configuring Module Property Pages in Traditional NI-DAQ (Legacy)
44
Creating a Strain Virtual Channel
45
Calibrating a Strain Virtual Channel
45
Verifying the Signal
46
Verifying the Signal in NI-Daqmx Using a Task or Global Channel
46
Verifying the Signal in Traditional NI-DAQ (Legacy)
47
Verifying the Signal Using Channel Strings
47
Verifying the Signal Using Strain Virtual Channel
48
Using the Strain Calibration Wizard in NI-Daqmx
48
Chapter 4 Theory of Operation
49
Strain-Gauge Theory
49
Wheatstone Bridges
49
Figure 4-1. Basic Wheatstone Bridge Circuit Diagram
49
Strain Gauges
50
Table 4-1. Strain-Gauge Configurations
50
Acronyms, Formulas, and Variable Definitions
51
Software Scaling and Equations
52
Quarter-Bridge Type I
52
Figure 4-2. Quarter-Bridge Type I Measuring Axial and Bending Strain
52
Figure 4-3. Quarter-Bridge I Circuit Diagram
53
Quarter-Bridge Type II
54
Figure 4-4. Quarter-Bridge Type II Measuring Axial and Bending Strain
55
Figure 4-5. Quarter-Bridge II Circuit Diagram
55
Half-Bridge Type I
57
Figure 4-6. Half-Bridge Type I Measuring Axial and Bending Strain
57
Figure 4-7. Half-Bridge Type I Circuit Diagram
57
Half-Bridge Type II
59
Figure 4-8. Half-Bridge Type II Rejecting Axial and Measuring Bending Strain
59
Figure 4-9. Half-Bridge Type II Circuit Diagram
59
Full-Bridge Type I
61
Figure 4-10. Full-Bridge Type I Rejecting Axial and Measuring Bending Strain
61
Figure 4-11. Full-Bridge Type I Circuit Diagram
61
Full-Bridge Type II
62
Figure 4-12. Full-Bridge Type II Rejecting Axial and Measuring Bending Strain
63
Figure 4-13. Full-Bridge Type II Circuit Diagram
63
Full-Bridge Type III
64
Figure 4-14. Full-Bridge Type III Measuring Axial and Rejecting Bending Strain
65
Figure 4-15. Full-Bridge Type III Circuit Diagram
65
SCXI-1520 Theory of Operation
66
Figure 4-16. Block Diagram of SCXI-1314/SCXI-1520 Combination
67
Bridge Configuration and Completion
69
Excitation
70
Remote Sense
71
Gain
72
Filter Bandwidth and Cutoff Frequency
73
Offset Null Compensation
73
Table 4-2. Control Codes for Coarse and Fine Offset Null Potentiometers
74
Shunt Calibration
75
Simultaneous Sample and Hold
76
Figure 4-17. Signal During Simultaneous Sample-And-Hold Sampling
77
Maximum Simultaneous Sample and Hold Sample Rate Using NI-Daqmx
78
Table 4-3. NI-Daqmx Values Used to Determine Maximum Sample Rate in Multiplexed Mode
79
Maximum Simultaneous Sample and Hold Using Traditional NI-DAQ (Legacy)
80
Table 4-4. NI-Daqmx Values Used to Determine Maximum Sample Rate in Parallel Mode
80
Table 4-5. Traditional NI-DAQ (Legacy) Values Used to Determine Maximum Sample Rate in Multiplexed Mode
81
Modes of Operation
82
Theory of Multiplexed Mode Operation
82
Theory of Parallel Mode Operation
83
Chapter 5 Using the SCXI-1520
85
Developing Your Application in NI-Daqmx
85
Typical Program Flowchart
86
Figure 5-1. Typical Program Flowchart
87
General Discussion of Typical Flowchart
88
Creating a Task Using DAQ Assistant or Programmatically
88
Adjusting Timing and Triggering
88
Configuring Channel Properties
89
Table 5-1. NI-Daqmx Properties
89
Performing Offset Null Compensation
91
Performing Shunt Calibration
92
Acquiring, Analyzing, and Presenting
92
Completing the Application
93
Developing an Application Using Labview
93
Table 5-2. Programming a Task in Labview
93
Using a Daqmx Channel Property Node in Labview
95
Specifying Channel Strings in NI-Daqmx
96
Figure 5-2. Labview Channel Property Node with Filtering Enabled at 10 Khz and SS/H Disabled
96
Text Based Ades
98
Measurement Studio (Visual Basic, .NET, and C#)
98
Programmable NI-Daqmx Properties
100
Table 5-3. NI-Daqmx Properties
100
Developing Your Application in Traditional NI-DAQ (Legacy)
102
Traditional NI-DAQ (Legacy) in Labview
103
Typical Program Flow
104
Figure 5-3. Typical SCXI-1520 Program Flow with
105
Configuring the SCXI-1520 Settings Using Traditional NI-DAQ (Legacy) in Labview
106
Table 5-4. Settings for Configuring the SCXI-1520 through the AI Parameter
106
Performing Offset Null Compensation Using Traditional NI-DAQ (Legacy) in Labview
108
Performing Shunt Calibration Using Traditional NI-DAQ (Legacy) in Labview
110
Configure, Start Acquisition, and Take Readings Using Traditional NI-DAQ (Legacy) in Labview
111
Converting Scaling Using Traditional NI-DAQ (Legacy) in Labview
111
Analyze and Display Using Traditional NI-DAQ (Legacy) in Labview
112
Traditional NI-DAQ (Legacy) in Text-Based Ades
112
Low-Level DAQ Functions
113
Figure 5-5. Offset Null and Shunt Calibration Flowchart
114
Configuring System Settings Using Traditional NI-DAQ (Legacy) C API
115
Table 5-5. Configuration Functions
115
Configuring Module Settings Using Traditional NI-DAQ (Legacy) C API
116
Table 5-6. NI-DAQ Functions Used to Configure SCXI-1520
117
Performing Offset Null Compensation Using Traditional NI-DAQ (Legacy) C API
118
Performing Shunt Calibration Using Traditional NI-DAQ (Legacy) C API
118
Performing Acquisition Using Traditional NI-DAQ (Legacy) C API
119
Performing Scaling, Analysis, and Display
119
Other Application Documentation and Material
120
Traditional NI-DAQ (Legacy) CVI Examples
120
Traditional NI-DAQ (Legacy) Measurement Studio Examples
120
Calibrating the Strain System
121
Calibrating the SCXI-1520
121
Internal Calibration Procedure
121
Internal Calibration Using Labview
122
Internal Calibration Using a C-Based ADE
122
External Calibration
122
Calibrating the System
123
Offset Null Compensation
123
Shunt Calibration
123
Appendix A Specifications
125
Power Consumption
129
Electromagnetic Compatibility
131
Traditional NI-DAQ (Legacy) 7.0
133
Appendix B Using SCXI Channel Strings with Traditional NI-DAQ (Legacy)
134
Removing the SCXI-1520
137
Appendix C Removing the
138
Table D-1. Digital Signals on the SCXI-1520
140
Advertisement
National Instruments SCXI-1520 Getting Started (158 pages)
Brand:
National Instruments
| Category:
Control Unit
| Size: 1.71 MB
Table of Contents
Table of Contents
4
About this Manual
10
Conventions Used in this Guide
10
Related Documentation
12
Chapter 1 Introduction to SCXI
13
Appendix A
14
Appendix B
14
Figure 1-1. SCXI Systems
14
What You Need to Get Started
15
Identifying Your SCXI Components
15
Figure 1-2. SCXI System Components
16
SCXI Chassis
16
Figure 1-3. SCXI Chassis Signal Routing
17
SCXI Modules
17
Table 1-1. SCXI Modules
18
SCXI Terminal Blocks
19
Figure 1-4. Terminal Block Options
20
Table 1-2. Direct-Mount Terminal Blocks
21
Connector-And-Shell Assemblies
25
DAQ Modules
25
DAQ Plug-In Devices and PC Cards
25
SCXI Cable Assemblies
26
SCXI Multichassis System with Plug-In DAQ Device
26
Table 1-4. SCXI Cable Assemblies
26
Figure 1-5. Multichassis SCXI System with Shielded Cabling
27
Optional Software
27
Figure 1-6. the Relationship between the Programming Environment
28
Overview of SCXI Operation
29
Analog Input Modules
29
Figure 1-7. SCXI Signal Routing
30
Analog and Digital Output Modules
31
Chapter 2
32
Installing SCXI Modules and Connecting the SCXI System
32
To the DAQ Device
32
Installing Your Software
32
Installing Your DAQ Device
33
Installing Your SCXI Modules
33
Connecting the SCXI System to the DAQ Device or Computer
33
Using the Parallel Port
33
Using a Plug-In DAQ Device or Daqcard
33
Figure 2-1. Attaching the SCXI Cable Assembly to the SCXI Module and Chassis
35
Using an RS-232 or RS-485 Serial Port
37
Chapter 3 Configuring Your SCXI Hardware and Software
38
Module Configuration
38
Figure 3-1. Removing the SCXI Module Grounding Screw
38
Analog Modules
39
Figure 3-2. Removing the SCXI Module Cover
39
Ground-Referenced and Floating Signal Sources
40
SCXI-1100 Module
41
Table 3-1. SCXI-1100 Input Signal Referencing Jumper Configurations
42
Table 3-2. SCXI-1100 Filtering Jumper Configuration
43
SCXI-1102/B/C Module
44
Table 3-3. SCXI-1100 PGIA Output Referencing Jumper Configuration
44
SCXI-1104/C Module
45
SCXI-1112 Module
45
SCXI-1120/D Module
45
Table 3-4. Gain Jumper Allocation
46
Table 3-5. Gain Jumper Positions
47
Table 3-6. SCXI-1120 Filter Jumper Allocation
48
Table 3-7. SCXI-1120D Filter Jumper Allocation
49
SCXI-1121 Module
51
Table 3-8. SCXI-1120/D Signal Referencing Jumper Configuration
51
Table 3-10. SCXI-1121 Gain Jumper Configuration
53
Table 3-9. SCXI-1121 First-Stage and Second-Stage Gain
53
Table 3-11. SCXI-1121 First-Stage and Second-Stage Filter
54
Table 3-12. SCXI-1121 Excitation Mode Jumper Configuration
55
Table 3-13. SCXI-1121 Excitation Level Jumper Configuration
57
Table 3-14. SCXI-1121 Maximum Load Per Excitation Channel
58
Table 3-15. SCXI-1121 Half-Bridge Completion Network Jumper Configuration
59
SCXI-1122 Module
60
Current-Loop Receivers
62
Scanning Techniques
62
Figure 3-3. Scanning Techniques
63
SCXI-1124 Module
63
SCXI-1125 Module
65
SCXI-1126 Module
66
SCXI-1140 Module
66
DAQ Device Connections in Multiple-Module Systems
66
User-Configurable Jumpers and DIP Switches
66
SCXI-1141, SCXI-1142, and SCXI-1143 Modules
69
SCXI-1520 Module
71
SCXI-1530/1531 Module
72
SCXI-1540 Module
73
Digital SCXI Modules
73
Communication Modes
74
Parallel Mode
74
Serial Mode
74
SCXI-1160 Module
75
SCXI-1161 Module
75
SCXI-1162 Module
76
SCXI-1162HV Module
79
SCXI-1163 Module
81
SCXI-1163R Module
84
SCXI-1200 Module
87
Parallel Port Interface
87
Analog I/O Configuration
88
Module Configuration
88
Analog Input Configuration
89
Analog Output Configuration
89
Analog Input Polarity and Range Configuration
91
Figure 3-4. SCXI-1200 Front Connector Pin Assignments
92
SCXI-1180 Feedthrough Panel
93
SCXI-1181 Breadboard Module
93
SCXI-2400 Serial Communications Module
93
Baud Rate and Address Configuration
94
Figure 3-5. SCXI-2400 Module Default Switch Settings
94
SCXI Chassis
95
Baud Rate and Address Configuration
95
SCXI-1000, SCXI-1000DC, and SCXI-1001 Chassis
95
SCXI-2000 Chassis with Serial Communications
95
Configure Your Software for Use with SCXI Products
96
Example Programs
96
Chapter 4 Connecting and Using Accessories and Transducers
97
Connecting Signal Wires to the SCXI System
97
SCXI-13XX Terminal Blocks
100
TBX Terminal Blocks
100
Figure 4-1. TBX Terminal Block Cabled to an SCXI Module
100
Onboard Temperature Sensors for Cold-Junction Compensation
101
Opening the SCXI-13XX Terminal Block
102
Figure 4-2. Removing the Terminal Block Grounding Screw
102
Figure 4-3. Removing the Terminal Block Cover
102
Connector-And-Shell Assemblies
103
Connecting Transducers to the SCXI System
103
Thermocouples
103
Using Thermocouples with the SCXI-1100
103
Using Thermocouples with the SCXI-1102
104
Using Thermocouples with the SCXI-1112, SCXI-1120, SCXI-1121, SCXI-1122, and SCXI-1125
104
Noise and Filtering
105
Strain Gauges
105
Figure 4-4. Connecting the Half-Bridge Strain Gauge to Channel 1 of the
106
Figure 4-5. Quarter-Bridge Configurations
108
Figure 4-6. Half-Bridge Configurations
109
Figure 4-7. Full-Bridge Configurations
110
Figure 4-8. SCXI-1520 to SCXI-1314 Quarter-Bridge Connection
112
Figure 4-9. SCXI-1520 to SCXI-1314 Half-Bridge Connection
113
Figure 4-10. SCXI-1520 to SCXI-1314 Full-Bridge Connection
114
Rtds
115
Current Excitation
117
Analog Circuitry in the SCXI-1122
119
Analog Input Channels
120
Excitation Output Channels
121
Analog Output Channel Signal Connections on the SCXI-1124
124
Chassis Ground Connections
127
Lvdts, Rvdts, and Resolvers
127
Connecting to Lvdts and Rvdts
128
Synchronizing Channels
129
Connecting to Resolvers
131
National Instruments SCXI-1520 Quick Start Manual (61 pages)
Signal Conditioning eXtensions for Instrumentation
Brand:
National Instruments
| Category:
Control Unit
| Size: 4.17 MB
Table of Contents
PXI/SCXI Combination Chassis
3
Step 4. Install the Modules
4
SCXI USB Modules
5
Single-Chassis System
7
Multichassis System
8
Windows Device Recognition
10
Identify the PXI Controller
11
Use Your Task in an Application
15
Troubleshooting
16
Frequently Asked Questions
16
Worldwide Technical Support
18
Specifications
18
Environmental Management
19
Waste Electrical and Electronic Equipment (WEEE)
19
Dépannage
35
Questions Fréquemment Posées
36
Spécifications
38
Compatibilité Électromagnétique
38
SCXI-Chassis
42
Fehlersuche
56
Häufig Gestellte Fragen
57
Elektromagnetische Verträglichkeit
59
Advertisement
National Instruments SCXI-1520 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
National Instruments SCXI-1520 Calibration Procedure (24 pages)
Brand:
National Instruments
| Category:
Control Unit
| Size: 0.38 MB
Advertisement
Related Products
National Instruments NI SCXI-1336
National Instruments SC-2345 Carrier
National Instruments SC-2350 Carrier
National Instruments SA1000X
National Instruments SA1500X
National Instruments SA2500X
National Instruments SP500C
National Instruments SP500X
National Instruments Module SCXI-1503
National Instruments SCXI-1581
National Instruments Categories
Control Unit
I/O Systems
Controller
Computer Hardware
Measuring Instruments
More National Instruments Manuals
Login
Sign In
OR
Sign in with Facebook
Sign in with Google
Upload manual
Upload from disk
Upload from URL