National Instruments Network Device DAQ S Instrukcja Użytkownika Pobierz pdf (Strona 18)

Chapter 1 Getting Started

Device Pinouts

Refer to Appendix A, Device-Specific Information, for NI 6124 and

NI 6154 device pinouts.

Device Specifications

Refer to the specifications for your device, the NI 6124 Specifications or

the NI 6154 Specifications, available on the NI-DAQ Device Document

Browser or

ni.com/manuals, for more detailed information about the

NI 6124 and NI 6154 devices.

1 2 ... 13 14 15 16 17 18 19 20 21 22 23 ... 172 173

DAQ S Series 1
Important Information 3
Compliance 4
Chapter 5 6
Chapter 6 7
Chapter 7 7
Counters 7
Chapter 8 9
Chapter 9 9
Contents 10
About This Manual 11
Related Documentation 12
LabWindows/CVI 13
Measurement Studio 13
Training Courses 15
Technical Support on the Web 15
Getting Started 16
Installing the Hardware 17
Device Self-Calibration 17
Device Pinouts 18
Device Specifications 18
DAQ System Overview 19
DAQ Hardware 20
DAQ-STC2 21
Calibration Circuitry 22
Signal Conditioning 23
Sensors and Transducers 23
NI-DAQ\Examples\ 24
DAQmx ANSI C Dev 24
I/O Connector 25
Specifications 26
+5 V Power Source 27
Analog Input 28
(NI 6154 Only) The digital 29
Input Polarity and Range 30
Working Voltage Range 31
AI Data Acquisition Methods 31
Chapter 4 Analog Input 32
Analog Input Triggering 33
Types of Signal Sources 34
Non-Isolated Devices 36
DC-Coupled 37
AC-Coupled 38
Field Wiring Considerations 38
Analog Input Timing Signals 40
AI Sample Clock Signal 41
Using an Internal Source 41
Using an External Source 42
Terminal 42
Other Timing Requirements 42
AI Convert Clock Signal 43
AI Hold Complete Event Signal 45
AI Start Trigger Signal 45
Using a Digital Source 45
Using an Analog Source 46
AI Reference Trigger Signal 46
Analog Output 49
AO Data Generation Methods 50
Chapter 5 Analog Output 51
Analog Output Triggering 52
AO Sample Clock Signal 54
AO Start Trigger Signal 57
AO Pause Trigger Signal 58
Digital I/O 60
Chapter 6 Digital I/O 61
DI Sample Clock Signal 63
DO Sample Clock Signal 64
Counter Input Applications 74
Chapter 7 Counters 75
Pulse-Width Measurement 76
Period Measurement 78
Single Period Measurement 78
Buffered Period Measurement 79
Semi-Period Measurement 79
Frequency Measurement 81
Figure 7-11. Method 1b 82
Figure 7-12. Method 2 83
Figure 7-13. Method 3 84
Position Measurement 86
Channel Z Behavior 87
8 9 0 2 1 7 4 3 88
Counter Output Applications 91
Pulse Train Generation 93
Finite 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 98
Counter n Gate Signal 99
Counter n Aux Signal 100
Counter n Up_Down Signal 101
Counter n HW Arm Signal 101
Default Counter/Timer Pinouts 102
Counter Triggering 103
Other Counter Features 104
Prescaling 105
Duplicate Count Prevention 106
(No Duplicate Counting) 107
(Duplicate Counting) 108
Synchronization Modes 109
80 MHz Source Mode 110
Other Internal Source Mode 111
External Source Mode 111
Programmable Function 112
Interfaces (PFI) 112
PFI for Isolated Devices 113
Connecting PFI Input Signals 117
PFI Filters 117
Figure 8-5. Filter Example 118
Table 8-1. Filters 118
I/O Protection 119
Programmable Power-Up States 119
Digital Routing and Clock 121
Generation 121
80 MHz Timebase 122
20 MHz Timebase 122
100 kHz Timebase 122
External Reference Clock 122
10 MHz Reference Clock 123
RTSI Connector Pinout 124
Using RTSI as Outputs 125
RTSI Filters 126
Figure 9-3. Filter Example 127
Table 9-2. Filters 127
PXI Clock and Trigger Signals 128
PXI_STAR Filters 129
Routing Signals in Software 130
Bus Interface 131
Data Transfer Methods 132
Triggering 133
Digital Trigger 134
Analog Trigger Types 135
Analog Comparison Event 136
Chapter 11 Triggering 137
Analog Trigger Accuracy 138
Device-Specific Information 139
NI 6124 I/O Connector Pinout 140
NI 6124 Block Diagram 142
Using BNCs 143
Using Screw Terminals 143
NI 6124 Specifications 144
NI 6154 Analog Output 145
NI 6154 I/O Connector Pinout 146
NI 6154 Block Diagram 148
Table A-3. Ground Symbols 149
Digital Isolation 150
NI 6154 Specifications 151
Technical Support and 152
Professional Services 152
Glossary 154
Numerics 165

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