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SCXI-1141
National Instruments SCXI-1141 Manuals
Manuals and User Guides for National Instruments SCXI-1141. We have
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National Instruments SCXI-1141 manuals available for free PDF download: Getting Started, User Manual, Quick Start Manual, Calibration Procedure
National Instruments SCXI-1141 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
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National Instruments SCXI-1141 User Manual (80 pages)
Eight-Channel Lowpass Filter Modules
Brand:
National Instruments
| Category:
Control Unit
| Size: 0.89 MB
Table of Contents
Table of Contents
6
About this Manual
9
How to Use the Manual Set
9
Conventions
10
Chapter 1 Introduction
11
About the SCXI-1141/1142/1143 Module
11
What You Need to Get Started
12
Chapter 2 Installing and Configuring the SCXI-1141/1142/1143 Module
13
Unpacking the SCXI-1141/1142/1143 Module
13
Safety Information
14
Installing Your Software
16
Installing the SCXI-1141/1142/1143 Module
16
Installing the SCXI-1141/1142/1143 Module in an SCXI Chassis
16
Figure 2-1. Installing the SCXI-1141/1142/1143 Module
17
Connecting the SCXI-1141/1142/1143 Module to a DAQ Device for Multiplexed Scanning in an SCXI Chassis
18
Connecting the SCXI-1141/1142/1143 Module to a DAQ Device for Multiplexed Scanning in a PXI Combination Chassis
19
Figure 2-2. Connecting the SCXI Modules for Multiplexed and Parallel Mode
19
Connecting the SCXI-1141/1142/1143 Module to a DAQ Device for Parallel Scanning
20
Configuring and Testing the SCXI-1141/1142/1143 Module
22
Auto-Detecting Modules
23
Manually Adding Modules
24
Configuring the SCXI-1141/1142/1143 Module
25
Self-Test Verification
26
Troubleshooting Self-Test Verification
26
Removing the SCXI-1141/1142/1143 Module
28
Removing the SCXI-1141/1142/1143 Module from an SCXI Chassis
28
Removing the SCXI-1141/1142/1143 Module from MAX
29
Figure 2-3. Removing the SCXI-1141/1142/1143 Module
29
Chapter 3 Connecting the Signals
30
Front Connector
30
Table 3-1. SCXI-1141/1142/1143 Module Front Connector
30
Front Connector Signal Descriptions
32
Analog Input Channels
32
Figure 3-1. Ground-Referenced Signal Connection
33
Figure 3-2. Floating Signal Connection
34
Figure 3-3. Ground-Referenced AC-Coupled Signal Connection
35
Figure 3-4. Ground-Offset AC-Coupled Signal Connection
35
Figure 3-5. Floating AC-Coupled Signal Connection
35
Digital Input and Output
36
Rear Signal Connector
37
Figure 3-6. SCXI-1141/1142/1143 Module Rear Signal Connector
37
Rear Signal Connection Descriptions
38
Analog Output Signal Connections
39
Digital I/O Signal Connections
39
Table 3-2. Scxibus to SCXI-1141/1142/1143 Module Rear Signal Connector to DAQ Device Pin Equivalencies
40
Chapter 4 Theory of Operation
42
Functional Overview
42
Power-Up State
42
Digital Control Circuitry
45
Input Amplifiers
45
Correcting Gain and Offset Errors
46
Lowpass Filters
47
Filter Theory
47
Figure 4-2. Ideal and Real Lowpass Filter Transfer Function Characteristics
47
Performance of the SCXI-1141/1142/1143 Module Filters
48
Magnitude Response
48
Figure 4-3. Real and Ideal Filter Responses to a Step Input Signal
48
Figure 4-4. Typical Magnitude Response of the SCXI-1141/1142/1143 Module Filters
49
Phase Response
50
Figure 4-5. Typical Passband Responses of the SCXI-1141/1142/1143 Module
50
Figure 4-6. Phase Response Characteristics of the SCXI-1141/1142/1143 Module Filters
51
Figure 4-7. Phase Error of the SCXI-1141/1142/1143 Module
52
Figure 4-8. Group Delay of the SCXI-1141/1142/1143 Module
52
Figure 4-9. Unit Step Response of the SCXI-1141/1142/1143 Module
53
Setting the Cutoff Frequency
54
Using the SCXI-1141/1142/1143 Module as an Antialiasing Filter
55
Figure 4-10. Aliasing of an Input Signal with a Frequency 0.8 Times the Sample Rate
55
Using the External Clock Input
56
DC-Correction Circuitry and Overload Recovery
58
Filter Bypass Mode
58
Table 4-1. Cutoff Frequency Ranges for the SCXI-1141/1142/1143 Module Prefilters and Postfilters
58
Rear Connector Analog Outputs
59
Multiplexed Mode (Recommended)
59
Parallel Mode
60
Chapter 5
61
Calibrating the SCXI-1141/1142/1143 Module
61
Appendix A Specifications
62
Table A-1. Settling Time with Respect to Cutoff Frequency
64
National Instruments SCXI-1141 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
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National Instruments SCXI-1141 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-1141 Calibration Procedure (21 pages)
Brand:
National Instruments
| Category:
Laboratory Equipment
| Size: 0.5 MB
Table of Contents
Test Equipment
3
Test Conditions
4
Calibration Procedure
4
Verifying Analog Input Measurements
6
Verifying Filter Parameters
8
Measuring Gain Errors
10
Adjusting Calibration Constants
12
Adjusting Filter AC Gain
13
Verifying Adjusted Values
17
Front and Rear Panel Pin Assignments
17
Specifications
20
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