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PXI-6230
National Instruments PXI-6230 Manuals
Manuals and User Guides for National Instruments PXI-6230. We have
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National Instruments PXI-6230 manual available for free PDF download: User Manual
National Instruments PXI-6230 User Manual (172 pages)
Brand:
National Instruments
| Category:
Network Card
| Size: 2 MB
Table of Contents
Table of Contents
7
About this Manual
14
Conventions
14
Related Documentation
15
Ni-Daq
15
NI-Daqmx for Linux
15
NI-Daqmx Base
16
Labview
16
Labwindows/CVI
17
Measurement Studio
17
ANSI C Without ni Application Software
17
NET Languages Without ni Application Software
17
Device Documentation and Specifications
18
Training Courses
18
Technical Support on the Web
18
Chapter 1 Getting Started
19
Installing NI-Daqmx
19
Installing Other Software
19
Installing the Hardware
19
Device Pinouts
19
Device Specifications
20
Device Accessories and Cables
20
Chapter 2 DAQ System Overview
21
DAQ Hardware
21
Daq-Stc2
22
Calibration Circuitry
23
Sensors and Transducers
23
Cables and Accessories
24
Custom Cabling
24
Programming Devices in Software
25
Chapter 3 Connector Information
26
I/O Connector Signal Descriptions
26
RTSI Connector Pinout
27
Chapter 4 Analog Input
28
Analog Input Circuitry
28
Analog Input Range
29
Analog Input Ground-Reference Settings
31
Configuring AI Ground-Reference Settings in Software
33
Multichannel Scanning Considerations
33
Use Low Impedance Sources
34
Use Short High-Quality Cabling
34
Carefully Choose the Channel Scanning Order
35
Avoid Switching from a Large to a Small Input Range
35
Insert Grounded Channel between Signal Channels
35
Minimize Voltage Step between Adjacent Channels
36
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
Connecting Analog Voltage Input Signals
39
Types of Signal Sources
40
Floating Signal Sources
40
Ground-Referenced Signal Sources
40
Differential Connection Considerations
40
Differential Connections for Ground-Referenced Signal Sources
41
Differential Input Biasing
42
Differential Connections for Non-Referenced or Floating Signal Sources
43
Single-Ended Connection Considerations
44
Single-Ended Connections for Floating or Grounded Signal Sources
45
Field Wiring Considerations
45
Analog Input Timing Signals
46
AI Sample Clock Signal
49
Using an Internal Source
49
Using an External Source
49
Routing AI Sample Clock Signal to an Output Terminal
50
Other Timing Requirements
50
AI Sample Clock Timebase Signal
51
AI Convert Clock Signal
51
Using an Internal Source
52
Using an External Source
52
Routing AI Convert Clock Signal to an Output Terminal
52
Using a Delay from Sample Clock to Convert Clock
53
Other Timing Requirements
53
AI Convert Clock Timebase Signal
54
AI Hold Complete Event Signal
54
AI Start Trigger Signal
54
Using a Digital Source
55
Routing AI Start Trigger to an Output Terminal
55
AI Reference Trigger Signal
55
Using a Digital Source
56
Routing AI Reference Trigger Signal to an Output Terminal
57
AI Pause Trigger Signal
57
Using a Digital Source
57
Routing AI Pause Trigger Signal to an Output Terminal
57
Getting Started with AI Applications in Software
58
Chapter 5 Analog Output
59
Analog Output Circuitry
59
Minimizing Glitches on the Output Signal
60
Analog Output Data Generation Methods
60
Software-Timed Generations
60
Hardware-Timed Generations
61
Non-Buffered
61
Buffered
61
Analog Output Triggering
62
Connecting Analog Voltage Output Signals
63
Analog Output Timing Signals
64
AO Start Trigger Signal
64
Using a Digital Source
64
Routing AO Start Trigger Signal to an Output Terminal
65
AO Pause Trigger Signal
65
Using a Digital Source
66
Routing AO Pause Trigger Signal to an Output Terminal
67
AO Sample Clock Signal
67
Using an Internal Source
67
Using an External Source
67
Routing AO Sample Clock Signal to an Output Terminal
67
Other Timing Requirements
67
AO Sample Clock Timebase Signal
68
Getting Started with AO Applications in Software
69
Chapter 6 Digital Input and Output
70
I/O Protection
70
Programmable Power-Up States
71
Connecting Digital I/O Signals
71
Getting Started with DIO Applications in Software
72
Chapter 7 Counters
73
Counter Input Applications
74
Counting Edges
74
Single Point (On-Demand) Edge Counting
74
Buffered (Sample Clock) Edge Counting
75
Non-Cumulative Buffered Edge Counting
76
Controlling the Direction of Counting
76
Pulse-Width Measurement
77
Single Pulse-Width Measurement
77
Buffered Pulse-Width Measurement
77
Period Measurement
78
Single Period Measurement
79
Buffered Period Measurement
79
Semi-Period Measurement
80
Single Semi-Period Measurement
80
Buffered Semi-Period Measurement
81
Frequency Measurement
81
Method 1-Measure Low Frequency with One Counter
81
Method 1B-Measure Low Frequency with One Counter (Averaged)
82
Method 2-Measure High Frequency with Two Counters
83
Method 3-Measure Large Range of Frequencies Using Two Counters
84
Choosing a Method for Measuring Frequency
85
Position Measurement
87
Measurements Using Quadrature Encoders
87
Measurements Using Two Pulse Encoders
89
Two-Signal Edge-Separation Measurement
90
Single Two-Signal Edge-Separation Measurement
90
Buffered Two-Signal Edge-Separation Measurement
91
Counter Output Applications
92
Simple Pulse Generation
92
Single Pulse Generation
92
Single Pulse Generation with Start Trigger
92
Retriggerable Single Pulse Generation
93
Pulse Train Generation
94
Continuous Pulse Train Generation
94
Frequency Generation
95
Using the Frequency Generator
95
Frequency Division
96
Pulse Generation for ETS
96
Counter Timing Signals
97
Counter N Source Signal
97
Routing a Signal to Counter N Source
98
Routing Counter N Source to an Output Terminal
98
Counter N Gate Signal
99
Routing a Signal to Counter N Gate
99
Routing Counter N Gate to an Output Terminal
99
Counter N aux Signal
99
Routing a Signal to Counter N aux
99
Counter N A, Counter N B, and Counter N Z Signals
100
Routing Signals to A, B, and Z Counter Inputs
100
Routing Counter N Z Signal to an Output Terminal
100
Counter N HW Arm Signal
100
Routing Signals to Counter N HW Arm Input
101
Counter N Internal Output and Counter N TC Signals
101
Routing Counter N Internal Output to an Output Terminal
101
Frequency Output Signal
101
Routing Frequency Output to a Terminal
101
Default Counter Terminals
102
Counter Triggering
103
Arm Start Trigger
103
Start Trigger
103
Pause Trigger
103
Other Counter Features
104
Cascading Counters
104
Counter Filters
104
Prescaling
105
Duplicate Count Prevention
106
Example Application that Works Correctly (no Duplicate Counting)
106
Example Application that Works Incorrectly (Duplicate Counting)
107
Example Application that Prevents Duplicate Count
107
When to Use Duplicate Count Prevention
108
Enabling Duplicate Count Prevention in NI-Daqmx
109
Synchronization Modes
109
80 Mhz Source Mode
110
Other Internal Source Mode
110
External Source Mode
110
Chapter 8 PFI
111
Using PFI Terminals as Timing Input Signals
112
Exporting Timing Output Signals Using PFI Terminals
113
Using PFI Terminals as Static Digital Inputs and Outputs
113
Connecting PFI Input Signals
113
PFI Filters
114
I/O Protection
116
Programmable Power-Up States
116
Chapter 9 Isolation and Digital Isolators
117
Digital Isolation
118
Benefits of an Isolated DAQ Device
118
Chapter 10 Digital Routing and Clock Generation
119
Clock Routing
119
80 Mhz Timebase
120
100 Khz Timebase
120
External Reference Clock
120
10 Mhz Reference Clock
121
Synchronizing Multiple Devices
121
Real-Time System Integration Bus (RTSI)
121
RTSI Connector Pinout
122
Using RTSI as Outputs
123
Using RTSI Terminals as Timing Input Signals
124
RTSI Filters
124
PXI Clock and Trigger Signals
126
PXI Triggers
126
PXI_STAR Filters
127
Chapter 11 Bus Interface
129
DMA Controllers
129
PXI Considerations
130
PXI Clock and Trigger Signals
130
PXI and PXI Express
130
Using PXI with Compactpci
131
Data Transfer Methods
131
Direct Memory Access (DMA)
131
Interrupt Request (IRQ)
132
Programmed I/O
132
Changing Data Transfer Methods between DMA and IRQ
132
Chapter 12 Triggering
133
Triggering with a Digital Source
133
Appendix A ni 6230 Device Information
135
NI 6230 Pinout
135
NI 6230 Specifications
137
NI 6230 Accessory and Cabling Options
137
Appendix B Troubleshooting
139
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