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AT-MIO-16D
National Instruments AT-MIO-16D Manuals
Manuals and User Guides for National Instruments AT-MIO-16D. We have
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National Instruments AT-MIO-16D manual available for free PDF download: User Manual
National Instruments AT-MIO-16D User Manual (291 pages)
Multifunction I/O Board for the PC AT
Brand:
National Instruments
| Category:
I/O Systems
| Size: 6 MB
Table of Contents
Table of Contents
8
Chapter 1 Introduction
15
What Your Kit Should Contain
17
Optional Software
18
Optional Equipment
19
Custom Cables
20
Figure 1-2. AT-MIO-16D Cable Assembly
20
Unpacking
21
Chapter 2 Configuration and Installation
22
Board Configuration
22
AT Bus Interface
22
Table 2-1. at Bus Interface Factory Settings
22
Base I/O Address Selection
24
Table 2-2. Default Settings of Other National Instruments Products for the PC
24
Figure 2-2. Example Base I/O Address Switch Settings
25
DMA Channel Selection
26
Table 2-3. Switch Settings with Corresponding Base I/O Address and Base I/O Address Space
26
Figure 2-3. DMA Jumper Settings for DMA Channels 6 and 7 (Factory Setting)
27
Figure 2-4. DMA Jumper Settings for DMA Channel 6 Only
27
Table 2-4. DMA Channels for the AT-MIO-16D
27
Interrupt Selection
28
Figure 2-5. DMA Jumper Settings for Disabling DMA Transfers
28
Figure 2-6. Factory Interrupt Jumper Settings IRQ5 (DIO-24) and IRQ10 (MIO-16)
28
DIO-24 Circuitry Interrupt Enable Settings
29
Analog I/O Jumper Settings
29
Figure 2-7. Interrupt Jumper Setting for Disabling Interrupts
29
Figure 2-8. Jumper Settings-PC6, PC4, PC2, and N/C
29
Table 2-5. Analog I/O Jumper Settings
30
Analog Input Configuration
31
Input Mode
31
DIFF Analog Input (Eight Channels, Factory Setting)
31
Table 2-6. Input Configurations Available for the AT-MIO-16D
31
Figure 2-10. RSE Analog Input Configuration
32
Figure 2-9. DIFF Analog Input Configuration (Factory Setting)
32
RSE Analog Input (16 Channels)
32
NRSE Analog Input (16 Channels)
33
Analog Input Polarity and Range
33
Figure 2-11. NRSE Analog Input Configuration
33
Figure 2-12. 0 to +10 V Input Configuration
34
Figure 2-13. -5 to +5 V Input Configuration
34
Figure 2-14. Factory -10 to +10 V Analog Input Configuration
34
Table 2-7. Configurations for Input Range and Input Polarity
34
Considerations for Selecting Analog Input Ranges
35
Table 2-8. Actual Range and Measurement Precision Versus Input Range Selection and Gain
35
Analog Output Configuration
36
Analog Output Reference Selection
36
External Reference Selection
36
Figure 2-15. External Reference Configuration
36
Internal Reference Selection (Factory Setting)
36
Analog Output Polarity Selection
37
Bipolar Output Selection (Factory Setting)
37
Figure 2-16. Factory Internal Reference Configuration
37
Figure 2-17. Factory Bipolar Output Configuration
37
Figure 2-18. Straight Binary Mode
38
Figure 2-19. Two's Complement Mode (Factory Setting)
38
Straight Binary Mode
38
Two's Complement Mode (Factory Setting)
38
Unipolar Output Selection
39
RTSI Bus Clock Selection
39
Figure 2-20. Unipolar Output Configuration
39
Figure 2-21. Disconnect from RTSI Bus Clock; Use Onboard Oscillator (Factory Setting)
40
Figure 2-22. Receive RTSI Bus Clock Signal
40
Table 2-9. Configurations for RTSI Bus Clock Selection
40
Hardware Installation
41
Signal Connections
41
Figure 2-23. Drive RTSI Bus Clock Signal with Onboard Oscillator
41
AT-MIO-16D I/O Connector Pin Description
42
Figure 2-24. AT-MIO-16D I/O Connector Pin Assignments
42
Figure 2-25. MIO-16 I/O Connector Pin Assignments
43
MIO-16 I/O Connector Pin Description
43
MIO-16 Signal Connection Descriptions
44
Analog Input Signal Connections
46
Types of Signal Sources
47
Figure 2-26. AT-MIO-16D Instrumentation Amplifier
47
Floating Signal Sources
47
Ground-Referenced Signal Sources
48
Input Configurations
48
Differential Connection Considerations (DIFF Configuration)
48
Differential Connections for Grounded Signal Sources
49
Figure 2-27. Differential Input Connections for Grounded Signal Sources
49
Differential Connections for Floating Signal Sources
50
Figure 2-28. Differential Input Connections for Floating Sources
50
Single-Ended Connection Considerations
51
Single-Ended Connections for Floating Signal Sources (RSE Configuration)
51
Figure 2-29. Single-Ended Input Connections for Floating Signal Sources
52
Single-Ended Connections for Grounded Signal Sources (NRSE Configuration)
52
Common-Mode Signal Rejection Considerations
53
Figure 2-30. Single-Ended Input Connections for Grounded Signal Sources
53
Analog Output Signal Connections
54
Digital I/O Signal Connections
55
Figure 2-31. Analog Output Connections
55
Figure 2-32. Digital I/O Connections
56
Power Connections
57
Timing Connections
57
Data Acquisition Timing Connections
57
Figure 2-33. EXTSTROBE* Signal Timing
57
Figure 2-34. EXTCONV* Signal Timing
58
Figure 2-35. START TRIG* Signal Timing
59
Figure 2-36. STOP TRIG Signal Timing
59
General-Purpose Timing Signal Connections
59
Figure 2-37. Event-Counting Application with External Switch Gating
60
Figure 2-38. Frequency Measurement Application
61
Figure 2-39. General-Purpose Timing Signals
62
DIO-24 I/O Connector Pin Description
64
Figure 2-40. DIO-24 I/O Connector Pin Assignments
64
DIO-24 Signal Connection Descriptions
65
Port C Pin Assignments
65
Power Connections
65
Timing Specifications
66
Table 2-11. Port C Signal Assignments
66
DIO-24 Mode 1 Input Timing
68
DIO-24 Mode 1 Output Timing
69
DIO-24 Mode 2 Bidirectional Timing
70
Cabling and Field Wiring
71
Field Wiring Considerations
71
MIO-16 Cabling Considerations
71
DIO-24 Cabling Considerations
72
Chapter 3 Theory of Operation
74
MIO-16 Functional Overview
74
Figure 3-1. AT-MIO-16D MIO-16 Circuitry Block Diagram
74
PC at I/O Channel Interface Circuitry
75
Figure 3-2. PC at I/O Channel Interface Circuitry Block Diagram
76
Analog Input and Data Acquisition Circuitry
77
Figure 3-3. Analog Input and Data Acquisition Circuitry Block Diagram
78
Analog Input Circuitry
79
Analog Input Mode Selection
79
Analog Input Multiplexers
79
Channel Selection Circuitry
79
The Instrumentation Amplifier
79
A/D Converter
80
ADC FIFO Buffer
80
Data Acquisition Timing Circuitry
80
Sample Counter
81
Sample-Interval Timer
81
Single Conversions
81
Data Acquisition Rates
82
Multiple-Channel (Scanned) Data Acquisition
82
Single-Channel Data Acquisition
82
Analog Output Circuitry
83
Figure 3-4. Analog Output Circuitry Block Diagram
83
Table 3-1. AT-MIO-16D Maximum Recommended Data Acquisition Rates
83
Analog Output Data Coding
84
Analog Output Range
84
MIO-16 Digital I/O Circuitry
84
Figure 3-5. Digital I/O Circuitry Block Diagram
85
Timing I/O Circuitry
86
RTSI Bus Interface Circuitry
88
DIO-24 Functional Overview
90
DIO-24 Interrupt Control Circuitry
90
DIO-24 Circuitry I/O Connector
91
82C55A Programmable Peripheral Interface
91
82C55A Modes of Operation
91
Mode 0
91
Mode 1
92
Mode 2
92
Single Bit Set/Reset Feature
92
Chapter 4 Programming
93
Register Map
93
Table 4-1. AT-MIO-16D Register Map
93
Register Description
94
Register Description Format
95
Register Sizes
94
Configuration and Status Register Group
95
Command Register 1
96
Status Register
98
Command Register 2
101
The Event Strobe Register Group
103
Start Convert Register
104
Start DAQ Register
105
A/D Clear Register
106
External Strobe Register
107
Analog Output Register Group
108
DAC0 Register
109
DAC1 Register
110
INT2CLR Register
111
Analog Input Register Group
112
Mux-Counter Register
113
Mux-Gain Register
114
A/D FIFO Register
116
DMA TC INT Clear Register
117
Am9513A Counter/Timer Register Group
118
Am9513A Data Register
119
Am9513A Command Register
120
Am9513A Status Register
121
MIO-16 Digital I/O Register Group
122
MIO-16 Digital Input Register
123
MIO-16 Digital Output Register
124
The RTSI Switch Register Group
125
RTSI Switch Shift Register
126
RTSI Switch Strobe Register
127
DIO-24 Register Group
128
DIO-24 PORTA Register
129
DIO-24 PORTB Register
130
DIO-24 PORTC Register
131
DIO-24 CNFG Register
132
MIO-16 Programming Considerations
133
Register Programming Considerations
133
Initializing the MIO-16 Circuitry of the AT-MIO-16D Board
133
Initializing the Am9513A
134
Initializing the Analog Output Circuitry
135
Programming the Analog Input Circuitry
135
A/D FIFO Output Binary Formats
136
Clearing the Analog Input Circuitry
137
Table 4-2. Straight Binary Mode A/D Conversion Values
137
Table 4-3. Two's Complement Mode A/D Conversion Values
137
Programming Multiple A/D Conversions on a Single Input Channel
138
External Timing Considerations for Multiple A/D Conversions
143
Pretriggering with the STOP TRIG Signal
143
Controlling Multiple A/D Conversions with the EXTCONV* Signal
147
Programming Multiple A/D Conversions with Channel Scanning
149
Multiple A/D Conversions with Continuous Channel Scanning (Round Robin)
149
Multiple A/D Conversions with Interval Channel Scanning (Pseudo-Simultaneous)
154
External Timing Considerations for Scanned Data Acquisition
160
Resetting the Hardware after a Data Acquisition Operation
160
Table 4-4. Multiple-Channel Data Acquisition Rates
160
Resetting Counter 2
161
Resetting Counter 3
161
Resetting Counter 4
162
Resetting Counter 5
162
Programming the Analog Output Circuitry
163
Table 4-5. Analog Output Voltage Versus Digital Code (Unipolar Mode)
163
Programming the MIO-16 Digital I/O Circuitry
164
Table 4-6. Analog Output Voltage Versus Digital Code (Bipolar Mode)
164
Programming the Am9513A Counter/Timer
165
RTSI Bus Trigger Line Programming Considerations
165
AT-MIO-16D RTSI Signal Connection Considerations
166
Table 4-7. RTSI Switch Signal Connections
166
Programming the RTSI Switch
167
Programming DMA Operations
168
Interrupt Programming
169
DIO-24 Circuitry Programming Considerations
170
DIO-24 Circuitry Register Descriptions
170
82C55A Modes of Operation
172
Mode 0-Basic I/O
172
Table 4-8. Port C Set/Reset Control Words
172
Mode 0 Programming Example
173
Table 4-9. Mode 0 I/O Configurations
173
Mode 1-Strobed Input
174
Mode 1 Input Programming Example
176
Mode 1-Strobed Output
176
Mode 1 Output Programming Example
178
Mode 2-Bidirectional Bus
179
Mode 2 Programming Example
180
Single Bit Set/Reset Feature
181
Interrupt Programming Examples
181
DIO-24 Interrupt Handling
182
Table 4-10. DIO-24 Interrupt Enable Signals for All Mode Combinations
183
Chapter 5 Calibration Procedures
184
Calibration Equipment Requirements
184
Analog Input Calibration
186
Board Configuration
187
Bipolar Input Calibration Procedure
187
Unipolar Input Calibration Procedure
188
Analog Output Calibration
189
Board Configuration
190
Bipolar Output Calibration Procedure
190
Unipolar Output Calibration Procedure
191
Appendix A Specifications
193
MIO-16 Circuitry Specifications
193
Analog Input
193
Explanation of Analog Input Specifications
194
Analog Data Acquisition Rates
195
Multiple-Channel Scanning Acquisition Rates
195
Single-Channel Acquisition Rates
195
Analog Output
196
Explanation of Analog Output Specifications
196
Digital I/O (MIO-16 I/O Connector Only
197
Timing I/O
197
DIO-24 Circuitry Specifications
197
I/O Signals Rating
197
Input Signal Specifications
197
Output Signal Specifications
198
Transfer Rates
198
Power Requirement (from PC at I/O Channel
198
Physical
198
Operating Environment
198
Storage Environment
198
Appendix Bmio-16 I/O Connector
199
Appendix Cdio-24 I/O Connector
202
Appendix Dat-Mio-16D I/O Connector
204
Appendix Eamd Am9513A Data Sheet
205
Appendix F
245
Oki MSM82C55A Data Sheet
245
Appendix G
262
Customer Communication
262
Index
266
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