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National Instruments NI 6239 Manuals
Manuals and User Guides for National Instruments NI 6239. We have
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National Instruments NI 6239 manuals available for free PDF download: User Manual
National Instruments NI 6239 User Manual (174 pages)
Isolated Current Input/Current Output Devices
Brand:
National Instruments
| Category:
I/O Systems
| Size: 4.78 MB
Table of Contents
Table of Contents
6
About this Manual
13
Conventions
13
Related Documentation
14
Ni-Daq
14
NI-Daqmx for Linux
14
NI-Daqmx Base
15
Labview
15
Labwindows™/CVI
16
Measurement Studio
16
ANSI C Without ni Application Software
16
NET Languages Without ni Application Software
17
Device Documentation and Specifications
17
Training Courses
17
Technical Support on the Web
17
Chapter 1 Getting Started
18
Installing NI-Daqmx
18
Installing Other Software
18
Installing the Hardware
18
Device Pinouts
18
Device Specifications
19
Device Accessories and Cables
19
Chapter 2 DAQ System Overview
20
DAQ Hardware
20
Daq-Stc2
21
Calibration Circuitry
22
Sensors and Transducers
22
Cables and Accessories
23
Custom Cabling
23
Programming Devices in Software
24
Chapter 3 Connector Information
25
I/O Connector Signal Descriptions
25
RTSI Connector Pinout
27
Chapter 4 Analog Input
28
Analog Input Circuitry
28
Analog Input Range
29
Connecting Analog Current Input Signals
30
Method 1
30
Method 2
31
Analog Input Ground-Reference Settings
32
Configuring AI Ground-Reference Settings in Software
34
Multichannel Scanning Considerations
35
Use Short High-Quality Cabling
35
Minimize Current Step between Adjacent Channels
35
Avoid Scanning Faster than Necessary
36
Example 1
36
Example 2
36
Analog Input Data Acquisition Methods
37
Software-Timed Acquisitions
37
Hardware-Timed Acquisitions
37
Buffered
37
Non-Buffered
38
Analog Input Triggering
38
Field Wiring Considerations
38
Analog Input Timing Signals
39
AI Sample Clock Signal
42
Using an Internal Source
43
Using an External Source
43
Routing AI Sample Clock Signal to an Output Terminal
43
Other Timing Requirements
44
AI Sample Clock Timebase Signal
44
AI Convert Clock Signal
45
Using an Internal Source
45
Using an External Source
46
Routing AI Convert Clock Signal to an Output Terminal
46
Using a Delay from Sample Clock to Convert Clock
46
Other Timing Requirements
47
AI Convert Clock Timebase Signal
48
AI Hold Complete Event Signal
48
AI Start Trigger Signal
49
Using a Digital Source
49
Routing AI Start Trigger to an Output Terminal
49
AI Reference Trigger Signal
50
Using a Digital Source
51
Routing AI Reference Trigger Signal to an Output Terminal
51
AI Pause Trigger Signal
51
Routing AI Pause Trigger Signal to an Output Terminal
52
Getting Started with AI Applications in Software
52
Chapter 5 Analog Output
53
Analog Output Circuitry
53
Analog Output Data Generation Methods
54
Software-Timed Generations
54
Hardware-Timed Generations
54
Non-Buffered
55
Buffered
55
Analog Output Triggering
56
Connecting Analog Current Output Signals
56
Analog Output Timing Signals
57
AO Start Trigger Signal
57
Using a Digital Source
58
Routing AO Start Trigger Signal to an Output Terminal
58
AO Pause Trigger Signal
58
Using a Digital Source
59
Routing AO Pause Trigger Signal to an Output Terminal
60
AO Sample Clock Signal
60
Using an Internal Source
60
Using an External Source
60
Routing AO Sample Clock Signal to an Output Terminal
60
Other Timing Requirements
61
AO Sample Clock Timebase Signal
61
Getting Started with AO Applications in Software
62
Chapter 6 Digital Input and Output
63
I/O Protection
63
Programmable Power-Up States
63
Connecting Digital I/O Signals
64
Logic Conventions
65
Getting Started with DIO Applications in Software
66
Chapter 7 Counters
69
Counter Input Applications
69
Counting Edges
69
Single Point (On-Demand) Edge Counting
69
Buffered (Sample Clock) Edge Counting
70
Non-Cumulative Buffered Edge Counting
71
Controlling the Direction of Counting
71
Pulse-Width Measurement
72
Single Pulse-Width Measurement
72
Buffered Pulse-Width Measurement
72
Period Measurement
73
Single Period Measurement
74
Buffered Period Measurement
74
Semi-Period Measurement
75
Single Semi-Period Measurement
75
Buffered Semi-Period Measurement
76
Frequency Measurement
76
Method 1-Measure Low Frequency with One Counter
76
Method 1B-Measure Low Frequency with One Counter (Averaged)
77
Method 2-Measure High Frequency with Two Counters
78
Method 3-Measure Large Range of Frequencies Using Two Counters
79
Choosing a Method for Measuring Frequency
80
Position Measurement
82
Measurements Using Quadrature Encoders
82
Measurements Using Two Pulse Encoders
84
Two-Signal Edge-Separation Measurement
85
Single Two-Signal Edge-Separation Measurement
85
Buffered Two-Signal Edge-Separation Measurement
86
Counter Output Applications
87
Simple Pulse Generation
87
Single Pulse Generation
87
Single Pulse Generation with Start Trigger
87
Retriggerable Single Pulse Generation
88
Pulse Train Generation
89
Continuous Pulse Train Generation
89
Frequency Generation
90
Using the Frequency Generator
90
Frequency Division
91
Pulse Generation for ETS
91
Counter Timing Signals
92
Counter N Source Signal
92
Routing a Signal to Counter N Source
93
Routing Counter N Source to an Output Terminal
93
Counter N Gate Signal
94
Routing a Signal to Counter N Gate
94
Routing Counter N Gate to an Output Terminal
94
Counter N aux Signal
94
Routing a Signal to Counter N aux
94
Counter N A, Counter N B, and Counter N Z Signals
95
Routing Signals to A, B, and Z Counter Inputs
95
Routing Counter N Z Signal to an Output Terminal
95
Counter N Up_Down Signal
95
Counter N HW Arm Signal
95
Routing Signals to Counter N HW Arm Input
96
Counter N Internal Output and Counter N TC Signals
96
Routing Counter N Internal Output to an Output Terminal
96
Frequency Output Signal
96
Routing Frequency Output to a Terminal
97
Default Counter Terminals
97
Counter Triggering
98
Arm Start Trigger
98
Start Trigger
98
Pause Trigger
98
Other Counter Features
99
Cascading Counters
99
Counter Filters
99
Prescaling
100
Duplicate Count Prevention
101
Example Application that Works Correctly (no Duplicate Counting)
101
Example Application that Works Incorrectly (Duplicate Counting)
102
Example Application that Prevents Duplicate Count
103
When to Use Duplicate Count Prevention
104
Enabling Duplicate Count Prevention in NI-Daqmx
104
Synchronization Modes
104
80 Mhz Source Mode
105
Other Internal Source Mode
105
External Source Mode
106
Chapter 8 PFI
107
Using PFI Terminals as Timing Input Signals
108
Exporting Timing Output Signals Using PFI Terminals
109
Using PFI Terminals as Static Digital Inputs and Outputs
109
Connecting PFI Input Signals
109
PFI Filters
110
I/O Protection
111
Programmable Power-Up States
112
Connecting Digital I/O Signals
112
Chapter 9 Isolation and Digital Isolators
115
Digital Isolation
116
Benefits of an Isolated DAQ Device
116
Reducing Common-Mode Noise
117
Chapter 10 Digital Routing and Clock Generation
118
Clock Routing
118
80 Mhz Timebase
119
100 Khz Timebase
119
External Reference Clock
119
10 Mhz Reference Clock
120
Synchronizing Multiple Devices
120
Real-Time System Integration Bus (RTSI)
120
RTSI Connector Pinout
121
Using RTSI as Outputs
122
Using RTSI Terminals as Timing Input Signals
123
RTSI Filters
123
PXI Clock and Trigger Signals
124
Pxi_Clk10
125
DMA Controllers
128
PXI Triggers
129
PXI_STAR Trigger
129
PXI_STAR Filters
129
Chapter 11 Bus Interface
129
PXI Considerations
129
PXI Clock and Trigger Signals
129
PXI and PXI Express
129
Using PXI with Compactpci
130
Data Transfer Methods
130
Direct Memory Access (DMA)
130
Interrupt Request (IRQ)
131
Programmed I/O
131
Changing Data Transfer Methods between DMA and IRQ
131
Chapter 12 Triggering
132
Triggering with a Digital Source
132
Analog Input
132
Analog Output
132
Counters
132
Appendix A
134
Device-Specific Information
134
Figure A-1. ni 6238 Pinout
135
Figure A-2. ni 6239 Pinout
138
Appendix B Troubleshooting
142
Appendix C
144
Technical Support and Professional Services
144
Glossary
146
Advertisement
National Instruments NI 6239 User Manual (172 pages)
DAQ M Series Isolated Current Input/C urrent Output Devices
Brand:
National Instruments
| Category:
I/O Systems
| Size: 2.8 MB
Table of Contents
Important Information
3
Table of Contents
5
About this Manual
12
Conventions
12
Related Documentation
13
Ni-Daq
13
NI-Daqmx for Linux
13
NI-Daqmx Base
14
Labview
14
Labwindows™/CVI
15
Measurement Studio
15
ANSI C Without ni Application Software
15
NET Languages Without ni Application Software
16
Device Documentation and Specifications
16
Training Courses
16
Technical Support on the Web
16
Chapter 1 Getting Started
17
Installing NI-Daqmx
17
Installing Other Software
17
Installing the Hardware
17
Device Pinouts
17
Device Specifications
18
Device Accessories and Cables
18
Chapter 2 DAQ System Overview
19
DAQ Hardware
19
Daq-Stc2
20
Calibration Circuitry
21
Sensors and Transducers
21
Cables and Accessories
22
Custom Cabling
22
Programming Devices in Software
23
Chapter 3 Connector Information
24
I/O Connector Signal Descriptions
24
RTSI Connector Pinout
26
Chapter 4 Analog Input
27
Analog Input Circuitry
27
Analog Input Range
28
Connecting Analog Current Input Signals
29
Method 1
29
Method 2
30
Analog Input Ground-Reference Settings
31
Configuring AI Ground-Reference Settings in Software
33
Multichannel Scanning Considerations
34
Use Short High-Quality Cabling
34
Minimize Current Step between Adjacent Channels
34
Avoid Scanning Faster than Necessary
35
Example 1
35
Example 2
35
Analog Input Data Acquisition Methods
36
Software-Timed Acquisitions
36
Hardware-Timed Acquisitions
36
Buffered
36
Non-Buffered
37
Analog Input Triggering
37
Field Wiring Considerations
37
Analog Input Timing Signals
38
AI Sample Clock Signal
41
Using an Internal Source
42
Using an External Source
42
Routing AI Sample Clock Signal to an Output Terminal
42
Other Timing Requirements
43
AI Sample Clock Timebase Signal
43
AI Convert Clock Signal
44
Using an Internal Source
44
Using an External Source
45
Routing AI Convert Clock Signal to an Output Terminal
45
Using a Delay from Sample Clock to Convert Clock
45
Other Timing Requirements
46
AI Convert Clock Timebase Signal
47
AI Hold Complete Event Signal
47
AI Start Trigger Signal
48
Using a Digital Source
48
Routing AI Start Trigger to an Output Terminal
48
AI Reference Trigger Signal
49
Using a Digital Source
50
Routing AI Reference Trigger Signal to an Output Terminal
50
AI Pause Trigger Signal
50
Routing AI Pause Trigger Signal to an Output Terminal
51
Getting Started with AI Applications in Software
51
Chapter 5 Analog Output
52
Analog Output Circuitry
52
Analog Output Data Generation Methods
53
Software-Timed Generations
53
Hardware-Timed Generations
53
Non-Buffered
54
Buffered
54
Analog Output Triggering
55
Connecting Analog Current Output Signals
55
Analog Output Timing Signals
56
AO Start Trigger Signal
56
Using a Digital Source
57
Routing AO Start Trigger Signal to an Output Terminal
57
AO Pause Trigger Signal
57
Using a Digital Source
58
Routing AO Pause Trigger Signal to an Output Terminal
59
AO Sample Clock Signal
59
Using an Internal Source
59
Using an External Source
59
Routing AO Sample Clock Signal to an Output Terminal
59
Other Timing Requirements
60
AO Sample Clock Timebase Signal
60
Getting Started with AO Applications in Software
61
Chapter 6 Digital Input and Output
62
I/O Protection
62
Programmable Power-Up States
62
Connecting Digital I/O Signals
63
Logic Conventions
64
Getting Started with DIO Applications in Software
65
Chapter 7 Counters
68
Counter Input Applications
68
Counting Edges
68
Single Point (On-Demand) Edge Counting
68
Buffered (Sample Clock) Edge Counting
69
Non-Cumulative Buffered Edge Counting
70
Controlling the Direction of Counting
70
Pulse-Width Measurement
71
Single Pulse-Width Measurement
71
Buffered Pulse-Width Measurement
71
Period Measurement
72
Single Period Measurement
73
Buffered Period Measurement
73
Semi-Period Measurement
74
Single Semi-Period Measurement
74
Buffered Semi-Period Measurement
75
Frequency Measurement
75
Method 1-Measure Low Frequency with One Counter
75
Method 1B-Measure Low Frequency with One Counter (Averaged)
76
Method 2-Measure High Frequency with Two Counters
77
Method 3-Measure Large Range of Frequencies Using Two Counters
78
Choosing a Method for Measuring Frequency
79
Position Measurement
81
Measurements Using Quadrature Encoders
81
Measurements Using Two Pulse Encoders
83
Two-Signal Edge-Separation Measurement
84
Single Two-Signal Edge-Separation Measurement
84
Buffered Two-Signal Edge-Separation Measurement
85
Counter Output Applications
86
Simple Pulse Generation
86
Single Pulse Generation
86
Single Pulse Generation with Start Trigger
86
Retriggerable Single Pulse Generation
87
Pulse Train Generation
88
Continuous Pulse Train Generation
88
Frequency Generation
89
Using the Frequency Generator
89
Frequency Division
90
Pulse Generation for ETS
90
Counter Timing Signals
91
Counter N Source Signal
91
Routing a Signal to Counter N Source
92
Routing Counter N Source to an Output Terminal
92
Counter N Gate Signal
93
Routing a Signal to Counter N Gate
93
Routing Counter N Gate to an Output Terminal
93
Counter N Aux Signal
93
Routing a Signal to Counter N Aux
93
Counter N A, Counter N B, and Counter N Z Signals
94
Routing Signals to A, B, and Z Counter Inputs
94
Routing Counter N Z Signal to an Output Terminal
94
Counter N Up_Down Signal
94
Counter N HW Arm Signal
94
Routing Signals to Counter N HW Arm Input
95
Counter N Internal Output and Counter N TC Signals
95
Routing Counter N Internal Output to an Output Terminal
95
Frequency Output Signal
95
Routing Frequency Output to a Terminal
96
Default Counter Terminals
96
Counter Triggering
97
Arm Start Trigger
97
Start Trigger
97
Pause Trigger
97
Other Counter Features
98
Cascading Counters
98
Counter Filters
98
Prescaling
99
Duplicate Count Prevention
100
Example Application that Works Correctly (no Duplicate Counting)
100
Example Application that Works Incorrectly (Duplicate Counting)
101
Example Application that Prevents Duplicate Count
102
When to Use Duplicate Count Prevention
103
Enabling Duplicate Count Prevention in NI-Daqmx
103
Synchronization Modes
103
80 Mhz Source Mode
104
Other Internal Source Mode
104
External Source Mode
105
Chapter 8 PFI
106
Using PFI Terminals as Timing Input Signals
107
Exporting Timing Output Signals Using PFI Terminals
108
Using PFI Terminals as Static Digital Inputs and Outputs
108
Connecting PFI Input Signals
108
PFI Filters
109
I/O Protection
110
Programmable Power-Up States
111
Connecting Digital I/O Signals
111
Chapter 9 Isolation and Digital Isolators
114
Digital Isolation
115
Benefits of an Isolated DAQ Device
115
Reducing Common-Mode Noise
116
Chapter 10 Digital Routing and Clock Generation
117
Clock Routing
117
80 Mhz Timebase
118
100 Khz Timebase
118
External Reference Clock
118
10 Mhz Reference Clock
119
Synchronizing Multiple Devices
119
Real-Time System Integration Bus (RTSI)
119
RTSI Connector Pinout
120
Using RTSI as Outputs
121
Using RTSI Terminals as Timing Input Signals
122
RTSI Filters
122
PXI Clock and Trigger Signals
123
Pxi_Clk10
124
PXI Triggers
124
PXI_STAR Trigger
124
DMA Controllers
127
PXI_STAR Filters
128
Chapter 11 Bus Interface
128
PXI Considerations
128
PXI Clock and Trigger Signals
128
PXI and PXI Express
128
Using PXI with Compactpci
129
Data Transfer Methods
129
Direct Memory Access (DMA)
129
Interrupt Request (IRQ)
130
Programmed I/O
130
Changing Data Transfer Methods between DMA and IRQ
130
Appendix B
131
Analog Input
131
Analog Output
131
Counters
131
Chapter 12 Triggering
131
Triggering with a Digital Source
131
Appendix A Device-Specific Information
133
NI 6238 Pinout
133
NI 6239 Pinout
136
Appendix C Technical Support and Professional Services
143
National Instruments NI 6239 User Manual (173 pages)
Brand:
National Instruments
| Category:
I/O Systems
| Size: 2.45 MB
Table of Contents
Table of Contents
6
About this Manual
13
Conventions
13
Related Documentation
14
Ni-Daq
14
NI-Daqmx for Linux
14
NI-Daqmx Base
15
Labview
15
Labwindows™/CVI
16
Measurement Studio
16
ANSI C Without ni Application Software
16
NET Languages Without ni Application Software
17
Device Documentation and Specifications
17
Training Courses
17
Technical Support on the Web
17
Getting Started
18
Installing NI-Daqmx
18
Installing Other Software
18
Installing the Hardware
18
Device Pinouts
18
Device Specifications
19
Device Accessories and Cables
19
DAQ System Overview
20
DAQ Hardware
20
Daq-Stc2
21
Calibration Circuitry
22
Sensors and Transducers
22
Cables and Accessories
23
Custom Cabling
23
Programming Devices in Software
24
Connector Information
25
I/O Connector Signal Descriptions
25
RTSI Connector Pinout
27
Analog Input
28
Analog Input Circuitry
28
Analog Input Range
29
Connecting Analog Current Input Signals
30
Method 1
30
Method 2
31
Analog Input Ground-Reference Settings
32
Configuring AI Ground-Reference Settings in Software
34
Multichannel Scanning Considerations
35
Use Short High-Quality Cabling
35
Minimize Current Step between Adjacent Channels
35
Avoid Scanning Faster than Necessary
36
Example 1
36
Example 2
36
Analog Input Data Acquisition Methods
37
Software-Timed Acquisitions
37
Hardware-Timed Acquisitions
37
Buffered
37
Non-Buffered
38
Analog Input Triggering
38
Field Wiring Considerations
38
Analog Input Timing Signals
39
AI Sample Clock Signal
42
Using an Internal Source
43
Using an External Source
43
Routing AI Sample Clock Signal to an Output Terminal
43
Other Timing Requirements
44
AI Sample Clock Timebase Signal
44
AI Convert Clock Signal
45
Using an Internal Source
45
Using an External Source
46
Routing AI Convert Clock Signal to an Output Terminal
46
Using a Delay from Sample Clock to Convert Clock
46
Other Timing Requirements
47
AI Convert Clock Timebase Signal
48
AI Hold Complete Event Signal
48
AI Start Trigger Signal
49
Using a Digital Source
49
Routing AI Start Trigger to an Output Terminal
49
AI Reference Trigger Signal
50
Using a Digital Source
51
Routing AI Reference Trigger Signal to an Output Terminal
51
AI Pause Trigger Signal
51
Routing AI Pause Trigger Signal to an Output Terminal
52
Getting Started with AI Applications in Software
52
Analog Output
53
Analog Output Circuitry
53
Analog Output Data Generation Methods
54
Software-Timed Generations
54
Hardware-Timed Generations
54
Non-Buffered
55
Buffered
55
Analog Output Triggering
56
Connecting Analog Current Output Signals
56
Analog Output Timing Signals
57
AO Start Trigger Signal
57
Using a Digital Source
58
Routing AO Start Trigger Signal to an Output Terminal
58
AO Pause Trigger Signal
58
Using a Digital Source
59
Routing AO Pause Trigger Signal to an Output Terminal
60
AO Sample Clock Signal
60
Using an Internal Source
60
Using an External Source
60
Routing AO Sample Clock Signal to an Output Terminal
60
Other Timing Requirements
61
AO Sample Clock Timebase Signal
61
Getting Started with AO Applications in Software
62
Digital Input and Output
63
I/O Protection
63
Programmable Power-Up States
63
Connecting Digital I/O Signals
64
Logic Conventions
65
Getting Started with DIO Applications in Software
66
Counters
69
Counter Input Applications
69
Counting Edges
69
Single Point (On-Demand) Edge Counting
69
Buffered (Sample Clock) Edge Counting
70
Non-Cumulative Buffered Edge Counting
71
Controlling the Direction of Counting
71
Pulse-Width Measurement
72
Single Pulse-Width Measurement
72
Buffered Pulse-Width Measurement
72
Period Measurement
73
Single Period Measurement
74
Buffered Period Measurement
74
Semi-Period Measurement
75
Single Semi-Period Measurement
75
Buffered Semi-Period Measurement
76
Frequency Measurement
76
Method 1-Measure Low Frequency with One Counter
76
Method 1B-Measure Low Frequency with One Counter (Averaged)
77
Method 2-Measure High Frequency with Two Counters
78
Method 3-Measure Large Range of Frequencies Using Two Counters
79
Choosing a Method for Measuring Frequency
80
Position Measurement
82
Measurements Using Quadrature Encoders
82
Measurements Using Two Pulse Encoders
84
Two-Signal Edge-Separation Measurement
85
Single Two-Signal Edge-Separation Measurement
85
Buffered Two-Signal Edge-Separation Measurement
86
Counter Output Applications
87
Simple Pulse Generation
87
Single Pulse Generation
87
Single Pulse Generation with Start Trigger
87
Retriggerable Single Pulse Generation
88
Pulse Train Generation
89
Continuous Pulse Train Generation
89
Frequency Generation
90
Using the Frequency Generator
90
Frequency Division
91
Pulse Generation for ETS
91
Counter Timing Signals
92
Counter N Source Signal
92
Routing a Signal to Counter N Source
93
Routing Counter N Source to an Output Terminal
93
Counter N Gate Signal
94
Routing a Signal to Counter N Gate
94
Routing Counter N Gate to an Output Terminal
94
Counter N aux Signal
94
Routing a Signal to Counter N aux
94
Counter N A, Counter N B, and Counter N Z Signals
95
Routing Signals to A, B, and Z Counter Inputs
95
Routing Counter N Z Signal to an Output Terminal
95
Counter N Up_Down Signal
95
Counter N HW Arm Signal
95
Routing Signals to Counter N HW Arm Input
96
Counter N Internal Output and Counter N TC Signals
96
Routing Counter N Internal Output to an Output Terminal
96
Frequency Output Signal
96
Routing Frequency Output to a Terminal
97
Default Counter Terminals
97
Counter Triggering
98
Arm Start Trigger
98
Start Trigger
98
Pause Trigger
98
Other Counter Features
99
Cascading Counters
99
Counter Filters
99
Prescaling
100
Duplicate Count Prevention
101
Example Application that Works Correctly (no Duplicate Counting)
101
Example Application that Works Incorrectly (Duplicate Counting)
102
Example Application that Prevents Duplicate Count
103
When to Use Duplicate Count Prevention
104
Enabling Duplicate Count Prevention in NI-Daqmx
104
Synchronization Modes
104
80 Mhz Source Mode
105
Other Internal Source Mode
105
External Source Mode
106
Pfi
107
Using PFI Terminals as Timing Input Signals
108
Exporting Timing Output Signals Using PFI Terminals
109
Using PFI Terminals as Static Digital Inputs and Outputs
109
Connecting PFI Input Signals
109
PFI Filters
110
I/O Protection
111
Programmable Power-Up States
112
Connecting Digital I/O Signals
112
Isolation and Digital Isolators
115
Digital Isolation
116
Benefits of an Isolated DAQ Device
116
Reducing Common-Mode Noise
117
Digital Routing and Clock Generation
118
Clock Routing
118
80 Mhz Timebase
119
100 Khz Timebase
119
External Reference Clock
119
10 Mhz Reference Clock
120
Synchronizing Multiple Devices
120
Real-Time System Integration Bus (RTSI)
120
RTSI Connector Pinout
121
Using RTSI as Outputs
122
Using RTSI Terminals as Timing Input Signals
123
RTSI Filters
123
PXI Clock and Trigger Signals
124
Pxi_Clk10
125
PXI Triggers
125
Bus Interface
128
DMA Controllers
128
PXI Considerations
129
PXI Clock and Trigger Signals
129
PXI and PXI Express
129
Using PXI with Compactpci
130
Data Transfer Methods
130
Direct Memory Access (DMA)
130
Interrupt Request (IRQ)
131
Programmed I/O
131
Changing Data Transfer Methods between DMA and IRQ
131
Triggering
132
Triggering with a Digital Source
132
Analog Input
132
Counters
132
Device-Specific Information
134
Figure A-1. ni 6238 Pinout
135
Figure A-2. ni 6239 Pinout
138
Analog Output
142
Technical Support and Professional Services
144
Glossary
146
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