National Instruments PXIe-6124 Manuals

Manuals and User Guides for National Instruments PXIe-6124. We have 1 National Instruments PXIe-6124 manual available for free PDF download: User Manual

National Instruments PXIe-6124 User Manual (174 pages)

Brand: National Instruments | Category: Network Card | Size: 2 MB

Table of Contents
6
About this Manual
12
Conventions
12
Related Documentation
13
Measurement Studio
14
ANSI C Without ni Application Software
15
NET Languages Without ni Application Software
15
Device Documentation and Specifications
16
Training Courses
16
Technical Support on the Web
16
Getting Started
17
Installing NI-Daqmx
17
Installing Other Software
17
Installing the Hardware
18
Device Self-Calibration
18
Device Pinouts
19
Device Specifications
19
DAQ System Overview
20
DAQ Hardware
21
Daq-Stc2
22
Calibration Circuitry
23
Internal or Self-Calibration
23
External Calibration
24
Signal Conditioning
24
Sensors and Transducers
24
Programming Devices in Software
25
I/O Connector
26
NI 6124 I/O Connector Signal Descriptions
26
NI 6154 I/O Connector Signal Descriptions
27
+5 V Power Source
28
Analog Input
29
Analog Input Terminal Configuration
30
Input Polarity and Range
31
Working Voltage Range
32
AI Data Acquisition Methods
32
Analog Input Triggering
34
Connecting Analog Input Signals
34
Types of Signal Sources
35
Differential Connections for Ground-Referenced Signal Sources
35
Common-Mode Signal Rejection Considerations
37
Differential Connections for Non-Referenced or Floating Signal Sources
37
DC-Coupled
38
AC-Coupled
39
Field Wiring Considerations
39
Minimizing Drift in Differential Mode
40
Analog Input Timing Signals
41
AI Sample Clock Signal
42
Using an Internal Source
42
Using an External Source
43
Routing AI Sample Clock Signal to an Output Terminal
43
Other Timing Requirements
43
AI Sample Clock Timebase Signal
44
AI Convert Clock Signal
44
Using an Internal Source
45
Using an External Source
45
Routing AI Convert Clock Signal to an Output Terminal
45
AI Convert Clock Timebase Signal
45
AI Hold Complete Event Signal
46
AI Start Trigger Signal
46
Using a Digital Source
46
Using an Analog Source
47
Routing AI Start Trigger to an Output Terminal
47
AI Reference Trigger Signal
47
Using a Digital Source
48
Using an Analog Source
48
Routing AI Reference Trigger Signal to an Output Terminal
48
Getting Started with AI Applications in Software
49
Analog Output
50
Minimizing Glitches on the Output Signal
51
AO Data Generation Methods
51
Analog Output Triggering
53
Connecting Analog Output Signals
53
Waveform Generation Timing Signals
55
AO Sample Clock Signal
55
Using an Internal Source
55
Using an External Source
56
Routing AO Sample Clock Signal to an Output Terminal
56
Other Timing Requirements
56
AO Sample Clock Timebase Signal
57
AO Start Trigger Signal
58
Using a Digital Source
58
Using an Analog Source
59
Routing AO Start Trigger Signal to an Output Terminal
59
AO Pause Trigger Signal
59
Using a Digital Source
60
Using an Analog Source
60
Getting Started with AO Applications in Software
60
Digital I/O
61
Digital I/O for Non-Isolated Devices
61
Static DIO for Non-Isolated Devices
62
Digital Waveform Triggering for Non-Isolated Devices
63
Digital Waveform Acquisition for Non-Isolated Devices
63
DI Sample Clock Signal
64
Digital Waveform Generation for Non-Isolated Devices
65
DO Sample Clock Signal
65
I/O Protection for Non-Isolated Devices
67
Programmable Power-Up States for Non-Isolated Devices
67
DI Change Detection for Non-Isolated Devices
68
DI Change Detection Applications for Non-Isolated Devices
69
Connecting Digital I/O Signals on Non-Isolated Devices
69
Getting Started with DIO Applications in Software on Non-Isolated Devices
70
Digital I/O for Isolated Devices
71
Static DIO for Isolated Devices
71
I/O Protection for Isolated Devices
72
Connecting Digital I/O Signals on Isolated Devices
72
Getting Started with DIO Applications in Software on Isolated Devices
73
Counter Input Applications
75
Counting Edges
75
Single Point (On-Demand) Edge Counting
75
Buffered (Sample Clock) Edge Counting
76
Controlling the Direction of Counting
77
Pulse-Width Measurement
77
Single Pulse-Width Measurement
77
Buffered Pulse-Width Measurement
78
Period Measurement
79
Single Period Measurement
79
Buffered Period Measurement
80
Semi-Period Measurement
80
Single Semi-Period Measurement
81
Buffered Semi-Period Measurement
81
Frequency Measurement
82
Choosing a Method for Measuring Frequency
85
Position Measurement
87
Measurements Using Quadrature Encoders
87
Measurements Using Two Pulse Encoders
89
Buffered (Sample Clock) Position Measurement
90
Two-Signal Edge-Separation Measurement
90
Single Two-Signal Edge-Separation Measurement
91
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
93
Retriggerable Single Pulse Generation
93
Pulse Train Generation
94
Continuous Pulse Train Generation
94
Finite Pulse Train Generation
95
Frequency Generation
96
Using the Frequency Generator
96
Frequency Division
97
Pulse Generation for ETS
97
Counter Timing Signals
98
Counter N Source Signal
99
Routing a Signal to Counter N Source
99
Routing Counter N Source to an Output Terminal
100
Counter N Gate Signal
100
Routing a Signal to Counter N Gate
100
Routing Counter N Gate to an Output Terminal
100
Counter N aux Signal
101
Routing a Signal to Counter N aux
101
Counter N A, Counter N B, and Counter N Z Signals
101
Routing Signals to A, B, and Z Counter Inputs
101
Routing Counter N Z Signal to an Output Terminal
101
Counter N Up_Down Signal
102
Counter N HW Arm Signal
102
Routing Signals to Counter N HW Arm Input
102
Counter N Internal Output and Counter N TC Signals
102
Routing Counter N Internal Output to an Output Terminal
103
Frequency Output Signal
103
Routing Frequency Output to a Terminal
103
Default Counter/Timer Pinouts
103
Counter Triggering
104
Other Counter Features
105
Cascading Counters
105
Counter Filters
105
Prescaling
106
Duplicate Count Prevention
107
Example Application that Works Correctly (no Duplicate Counting)
108
Example Application that Works Incorrectly (Duplicate Counting)
109
Example Application that Prevents Duplicate Count
109
When to Use Duplicate Count Prevention
110
Enabling Duplicate Count Prevention in NI-Daqmx
110
Synchronization Modes
110
80 Mhz Source Mode
111
Other Internal Source Mode
112
External Source Mode
112
Programmable Function Interfaces (PFI)
113
PFI for Non-Isolated Devices
113
PFI for Isolated Devices
114
Using PFI Terminals as Timing Input Signals
116
Exporting Timing Output Signals Using PFI Terminals
116
Using PFI Terminals as Static Digital Inputs and Outputs
117
Connecting PFI Input Signals
118
PFI Filters
118
I/O Protection
120
Programmable Power-Up States
120
Digital Routing and Clock Generation
122
Clock Routing
122
80 Mhz Timebase
123
100 Khz Timebase
123
External Reference Clock
123
10 Mhz Reference Clock
124
Synchronizing Multiple Devices
124
Real-Time System Integration (RTSI)
125
RTSI Connector Pinout
125
Using RTSI as Outputs
126
Using RTSI Terminals as Timing Input Signals
127
RTSI Filters
127
PXI Clock and Trigger Signals
129
Pxi_Clk10
129
PXI Triggers
129
PXI_STAR Trigger
129
PXI_STAR Filters
130
Routing Signals in Software
131
Bus Interface
132
MITE and DAQ-Pnp
132
PXI Considerations
132
PXI Clock and Trigger Signals
132
PXI Express
132
Data Transfer Methods
133
Changing Data Transfer Methods between DMA and IRQ
133
Triggering with a Digital Source
134
Triggering with an Analog Source
135
Analog Input Channel
136
Analog Trigger Actions
136
Analog Trigger Types
136
Analog Trigger Accuracy
139
Device-Specific Information
140
Digital Isolation
151
Technical Support and Professional Services
153

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National Instruments PXIe-6124 User Manual (174 pages)

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