National Instruments NI 6232 Bedienungsanleitung PDF herunterladen (Seite 4)

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1 2 3 4 5 6 7 8 9 ... 179 180

DAQ M Series 1
Important Information 3
Compliance 5
Chapter 3 7
Chapter 4 7
Chapter 5 8
Chapter 6 9
Chapter 7 9
Contents 10
About This Manual 13
Related Documentation 14
NI-DAQmx Base 15
LabWindows 16
Measurement Studio 16
Training Courses 17
Technical Support on the Web 17
Getting Started 18
Device Specifications 19
Device Accessories and Cables 19
DAQ System Overview 20
DAQ-STC2 21
Sensors and Transducers 22
Cables and Accessories 23
Chapter 2 DAQ System Overview 24
Connector Information 25
Analog Input 28
Analog Input Range 29
(10 V – (–10 V)) 30
= 305 mV 30
Figure 4-2. PGIA 31
Software 32
Use Low Impedance Sources 33
Chapter 4 Analog Input 34
Example 1 36
Example 2 36
Software-Timed Acquisitions 36
Hardware-Timed Acquisitions 37
Buffered 37
Analog Input Triggering 38
Types of Signal Sources 39
Floating Signal Sources 40
Differential Input Biasing 42
Signal Sources 44
Field Wiring Considerations 45
Analog Input Timing Signals 46
Sample Counter 48
AI Sample Clock Signal 49
Using an Internal Source 50
Using an External Source 50
Terminal 50
Other Timing Requirements 50
AI Convert Clock Signal 52
AI Hold Complete Event Signal 55
AI Start Trigger Signal 55
Using a Digital Source 55
AI Reference Trigger Signal 56
AI Pause Trigger Signal 57
Software-Timed Generations 60
Hardware-Timed Generations 61
Non-Buffered 61
Analog Output Triggering 62
Analog Output Timing Signals 63
AO Start Trigger Signal 64
AO Pause Trigger Signal 65
AO Sample Clock Signal 66
Chapter 5 Analog Output 68
Digital Input and Output 70
Logic Conventions 72
Terminals section 75
Counter Input Applications 76
Pulse-Width Measurement 79
Period Measurement 80
Single Period Measurement 81
Buffered Period Measurement 81
Semi-Period Measurement 82
Frequency Measurement 83
Counter (Averaged) 84
Using Two Counters 86
Figure 7-14. Method 3 87
Position Measurement 89
X2 Encoding 90
X4 Encoding 90
Channel Z Behavior 90
890 21743 91
Counter Output Applications 94
Pulse Train Generation 96
Frequency Generation 97
Using the Frequency Generator 97
Frequency Division 98
Pulse Generation for ETS 98
Counter Timing Signals 99
Counter n Source Signal 100
Counter n Gate Signal 101
Counter n Aux Signal 101
Counter n Up_Down Signal 102
Counter n HW Arm Signal 103
Default Counter Terminals 104
Counter Triggering 105
Other Counter Features 106
Prescaling 107
Duplicate Count Prevention 108
Duplicate Count Example 109
Chapter 7 Counters 110
Synchronization Modes 111
80 MHz Source Mode 112
Other Internal Source Mode 113
External Source Mode 113
Chapter 8 PFI 115
Connecting PFI Input Signals 116
PFI Filters 117
I/O Protection 118
Programmable Power-Up States 119
Table 9-1. Ground Symbols 122
Digital Isolation 123
Digital Routing and Clock 124
Generation 124
80 MHz Timebase 125
20 MHz Timebase 125
100 kHz Timebase 125
External Reference Clock 125
10 MHz Reference Clock 126
RTSI Connector Pinout 127
Using RTSI as Outputs 128
RTSI Filters 129
Figure 10-3. Filter Example 130
Table 10-2. Filters 130
PXI Clock and Trigger Signals 131
PXI_STAR Filters 132
Figure 10-4. Filter Example 133
Bus Interface 134
PXI Considerations 135
Data Transfer Methods 136
Interrupt Request (IRQ) 137
Programmed I/O 137
Triggering 138
• Analog output generation 139
• Counter behavior 139
Device-Specific Information 140
Figure A-1. NI 6232 Pinout 141
NI 6232 Specifications 142
Screw Terminal 142
NI 6233 Pinout 143
Figure A-2. NI 6233 Pinout 144
NI 6233 Specifications 145
Troubleshooting 147
Channel 0 148
Channel 1 148
Convert Period 148
Sample Period 148
Analog Output 149
Counters 149
Technical Support and 150
Professional Services 150
Glossary 152
Numerics 171

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