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AT-MIO-16
National Instruments AT-MIO-16 Manuals
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National Instruments AT-MIO-16 manual available for free PDF download: User Manual
National Instruments AT-MIO-16 User Manual (91 pages)
Multifunction I/O Board for the PC/AT
Brand:
National Instruments
| Category:
I/O Systems
| Size: 0 MB
Table of Contents
Table of Contents
5
About this Manual
9
Organization of this Manual
9
Conventions Used in this Manual
10
Related Documentation
10
Customer Communication
10
Chapter 1 Introduction
11
About the AT-MIO-16
11
What You Need to Get Started
11
Software Programming Choices
12
Labview and Labwindows Application Software
12
NI-DAQ Driver Software
13
Figure 1-1. the Relationship between the Programming Environment, NI-DAQ, and Your Hardware
14
Register-Level Programming
15
Unpacking
15
Chapter 2 Configuration and Installation
16
Board Configuration
16
AT Bus Interface
16
Table 2-1. at Bus Interface Factory-Default Settings
16
Base I/O Address Selection
18
Figure 2-2. Example Base I/O Address Switch Settings
18
DMA Channel Selection
19
Table 2-2. Switch Settings with Corresponding Base I/O Address and Base I/O Address Space
19
Interrupt Selection
20
Table 2-3. DMA Jumper Settings
20
Table 2-4. Interrupt Jumper Settings
20
Analog I/O Configuration
21
Table 2-5. Analog I/O Jumper Settings Quick Reference
21
Analog Input Configuration
23
Figure 2-3. Analog Input and Data Acquisition Circuitry Block Diagram
23
DIFF Input (Eight Channels, Factory Setting)
24
Input Mode
24
RSE Input (16 Channels)
24
Table 2-6. DIFF Input Configuration (Factory Setting)
24
Analog Input Polarity and Range
25
NRSE Input (16 Channels)
25
Table 2-7. RSE Input Configuration
25
Table 2-8. NRSE Input Configuration
25
Considerations for Selecting Input Ranges
26
Table 2-9. Configurations for Input Range and Input Polarity
26
Analog Output Configuration
27
Table 2-10. Actual Range and Measurement Precision Versus Input Range Selection and Gain
27
Analog Output Reference
28
Figure 2-4. Analog Output Circuitry Block Diagram
28
Analog Output Data Coding
29
Analog Output Polarity Selection
29
Table 2-11. Internal and External Reference Selection
29
Digital I/O Configuration
30
Table 2-12. Analog Output Polarity and Data Mode Configuration
30
Table 2-13. Output Range Selection and Precision
30
Figure 2-5. Digital I/O Circuitry Block Diagram
31
RTSI Bus Clock Selection
32
Hardware Installation
32
Table 2-14. Configurations for RTSI Bus Clock Selection
32
Chapter 3 Signal Connections
34
I/O Connector
34
Figure 3-1. AT-MIO-16 I/O Connector Pin Assignments
35
Signal Descriptions
36
Analog Input Signal Connections
37
Figure 3-2. AT-MIO-16 Instrumentation Amplifier
38
Types of Signal Sources
38
Floating Signal Sources
39
Ground-Referenced Signal Sources
39
Input Configurations
39
Table 3-1. Recommended Input Configurations for Ground-Referenced and Floating Signal Sources
39
Differential Connection Considerations (DIFF Configuration)
40
Differential Connections for Floating Signal Sources
41
Differential Connections for Grounded Signal Sources
41
Figure 3-3. Differential Input Connections for Grounded Signal Sources
41
Figure 3-4. Differential Input Connections for Floating Signal Sources
42
Figure 3-5. Single-Ended Input Connections for Floating Signal Sources
43
Single-Ended Connection Considerations
43
Single-Ended Connections for Floating Signal Sources (RSE Configuration)
43
Common-Mode Signal Rejection Considerations
44
Figure 3-6. Single-Ended Input Connections for Grounded Signal Sources
44
Single-Ended Connections for Grounded Signal Sources (NRSE Configuration)
44
Analog Output Signal Connections
45
Digital I/O Signal Connections
46
Figure 3-7. Analog Output Connections
46
Figure 3-8. Digital I/O Connections
47
Figure 3-9. RTSI Bus Interface Circuitry Block Diagram
48
RTSI Bus Signal Connections
48
Timing I/O Signals
48
Power Connections
49
Timing Connections
49
Data Acquisition Timing Connections
49
Figure 3-10. EXTSTROBE* Signal Timing
50
Figure 3-11. EXTCONV* Signal Timing
50
Figure 3-12. STARTTRIG* Signal Timing
51
Figure 3-13. STOPTRIG Signal Timing
51
Figure 3-14. Timing I/O Circuitry Block Diagram
52
General-Purpose Timing Signal Connections
52
Figure 3-15. Counter Block Diagram
53
Figure 3-16. Event-Counting Application with External Switch Gating
55
Figure 3-17. Frequency Measurement Application
56
Figure 3-18. General-Purpose Timing Signals
57
Cabling and Field Wiring
58
Field Wiring Considerations
58
Cabling Considerations
59
Chapter 4 Calibration Procedures
61
Calibration Equipment Requirements
61
Analog Input Calibration
63
Table 4-1. Voltage Values for Calculating Offset Error
63
Bipolar Input Calibration Procedure
64
Adjust the ADC Input Offset
64
Adjust the Amplifier Input Offset
64
Adjust the Analog Input Gain
65
Board Configuration
64
Unipolar Input Calibration Procedure
65
Adjust the Amplifier Input Offset
65
Adjust the ADC Input Offset
66
Adjust the Analog Input Gain
66
Analog Output Calibration
66
Board Configuration
67
Bipolar Output Calibration Procedure
67
Adjust the Analog Output Offset
67
Adjust the Analog Output Gain
68
Unipolar Output Calibration Procedure
68
Adjust the Analog Output Offset
68
Adjust the Analog Output Gain
69
Appendix A Specifications
70
Appendix B
75
Revisions a through C Parts Locator Diagram
75
Appendix C
77
Customer Communication
77
Glossary
82
Index
85
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