National Instruments NI 6124 Manuals

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

National Instruments NI 6124 User Manual (173 pages)

Simultaneous Sampling Multifunction Input/Output Devices

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

Table of Contents
5
About this Manual
11
Conventions
11
Related Documentation
12
Measurement Studio
13
ANSI C Without ni Application Software
14
NET Languages Without ni Application Software
14
Device Documentation and Specifications
15
Training Courses
15
Technical Support on the Web
15
Getting Started
16
Installing NI-Daqmx
16
Installing Other Software
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
Internal or Self-Calibration
22
External Calibration
23
Signal Conditioning
23
Sensors and Transducers
23
Programming Devices in Software
24
I/O Connector
25
NI 6124 I/O Connector Signal Descriptions
25
NI 6154 I/O Connector Signal Descriptions
26
+5 V Power Source
27
Analog Input
28
Analog Input Terminal Configuration
29
Input Polarity and Range
30
Working Voltage Range
31
AI Data Acquisition Methods
31
Analog Input Triggering
33
Connecting Analog Input Signals
33
Types of Signal Sources
34
Differential Connections for Ground-Referenced Signal Sources
34
Common-Mode Signal Rejection Considerations
36
Differential Connections for Non-Referenced or Floating Signal Sources
36
DC-Coupled
37
AC-Coupled
38
Field Wiring Considerations
38
Minimizing Drift in Differential Mode
39
Analog Input Timing Signals
40
AI Sample Clock Signal
41
Using an Internal Source
41
Using an External Source
42
Routing AI Sample Clock Signal to an Output Terminal
42
Other Timing Requirements
42
AI Sample Clock Timebase Signal
43
AI Convert Clock Signal
43
Using an Internal Source
44
Using an External Source
44
Routing AI Convert Clock Signal to an Output Terminal
44
AI Convert Clock Timebase Signal
44
AI Hold Complete Event Signal
45
AI Start Trigger Signal
45
Using a Digital Source
45
Using an Analog Source
46
Routing AI Start Trigger to an Output Terminal
46
AI Reference Trigger Signal
46
Using a Digital Source
47
Using an Analog Source
47
Routing AI Reference Trigger Signal to an Output Terminal
47
Getting Started with AI Applications in Software
48
Analog Output
49
Minimizing Glitches on the Output Signal
50
AO Data Generation Methods
50
Analog Output Triggering
52
Connecting Analog Output Signals
52
Waveform Generation Timing Signals
54
AO Sample Clock Signal
54
Using an Internal Source
54
Using an External Source
55
Routing AO Sample Clock Signal to an Output Terminal
55
Other Timing Requirements
55
AO Sample Clock Timebase Signal
56
AO Start Trigger Signal
57
Using a Digital Source
57
Using an Analog Source
58
Routing AO Start Trigger Signal to an Output Terminal
58
AO Pause Trigger Signal
58
Using a Digital Source
59
Using an Analog Source
59
Getting Started with AO Applications in Software
59
Digital I/O
60
Digital I/O for Non-Isolated Devices
60
Static DIO for Non-Isolated Devices
61
Digital Waveform Triggering for Non-Isolated Devices
62
Digital Waveform Acquisition for Non-Isolated Devices
62
DI Sample Clock Signal
63
Digital Waveform Generation for Non-Isolated Devices
64
DO Sample Clock Signal
64
I/O Protection for Non-Isolated Devices
66
Programmable Power-Up States for Non-Isolated Devices
66
DI Change Detection for Non-Isolated Devices
67
DI Change Detection Applications for Non-Isolated Devices
68
Connecting Digital I/O Signals on Non-Isolated Devices
68
Getting Started with DIO Applications in Software on Non-Isolated Devices
69
Digital I/O for Isolated Devices
70
Static DIO for Isolated Devices
70
I/O Protection for Isolated Devices
71
Connecting Digital I/O Signals on Isolated Devices
71
Getting Started with DIO Applications in Software on Isolated Devices
72
Counter Input Applications
74
Counting Edges
74
Single Point (On-Demand) Edge Counting
74
Buffered (Sample Clock) Edge Counting
75
Controlling the Direction of Counting
76
Pulse-Width Measurement
76
Single Pulse-Width Measurement
76
Buffered Pulse-Width Measurement
77
Period Measurement
78
Single Period Measurement
78
Buffered Period Measurement
79
Semi-Period Measurement
79
Single Semi-Period Measurement
80
Buffered Semi-Period Measurement
80
Frequency Measurement
81
Choosing a Method for Measuring Frequency
84
Position Measurement
86
Measurements Using Quadrature Encoders
86
Measurements Using Two Pulse Encoders
88
Buffered (Sample Clock) Position Measurement
89
Two-Signal Edge-Separation Measurement
89
Single Two-Signal Edge-Separation Measurement
90
Buffered Two-Signal Edge-Separation Measurement
90
Counter Output Applications
91
Simple Pulse Generation
91
Single Pulse Generation
91
Single Pulse Generation with Start Trigger
92
Retriggerable Single Pulse Generation
92
Pulse Train Generation
93
Continuous 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
Routing a Signal to Counter N Source
98
Routing Counter N Source to an Output Terminal
99
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
100
Routing a Signal to Counter N aux
100
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 Up_Down Signal
101
Counter N HW Arm Signal
101
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
102
Frequency Output Signal
102
Routing Frequency Output to a Terminal
102
Default Counter/Timer Pinouts
102
Counter Triggering
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)
107
Example Application that Works Incorrectly (Duplicate Counting)
108
Example Application that Prevents Duplicate Count
108
When to Use Duplicate Count Prevention
109
Enabling Duplicate Count Prevention in NI-Daqmx
109
Synchronization Modes
109
80 Mhz Source Mode
110
Other Internal Source Mode
111
External Source Mode
111
Programmable Function Interfaces (PFI)
112
PFI for Non-Isolated Devices
112
PFI for Isolated Devices
113
Using PFI Terminals as Timing Input Signals
115
Exporting Timing Output Signals Using PFI Terminals
115
Using PFI Terminals as Static Digital Inputs and Outputs
116
Connecting PFI Input Signals
117
PFI Filters
117
I/O Protection
119
Programmable Power-Up States
119
Digital Routing and Clock Generation
121
Clock Routing
121
80 Mhz Timebase
122
100 Khz Timebase
122
External Reference Clock
122
10 Mhz Reference Clock
123
Synchronizing Multiple Devices
123
Real-Time System Integration (RTSI)
124
RTSI Connector Pinout
124
Using RTSI as Outputs
125
Using RTSI Terminals as Timing Input Signals
126
RTSI Filters
126
PXI Clock and Trigger Signals
128
Pxi_Clk10
128
PXI Triggers
128
PXI_STAR Trigger
128
PXI_STAR Filters
129
Routing Signals in Software
130
Bus Interface
131
MITE and DAQ-Pnp
131
PXI Considerations
131
PXI Clock and Trigger Signals
131
PXI Express
131
Data Transfer Methods
132
Changing Data Transfer Methods between DMA and IRQ
132
Triggering with a Digital Source
133
Triggering with an Analog Source
134
Analog Input Channel
135
Analog Trigger Actions
135
Analog Trigger Types
135
Analog Trigger Accuracy
138
Device-Specific Information
139
Digital Isolation
150
Technical Support and Professional Services
152

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National Instruments NI 6124 User Manual (173 pages)

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