National Instruments DAQPad-6020E Manuals

Manuals and User Guides for National Instruments DAQPad-6020E. We have 1 National Instruments DAQPad-6020E manual available for free PDF download: User Manual

National Instruments DAQPad-6020E User Manual (265 pages)

Brand: National Instruments | Category: Computer Hardware | Size: 3 MB

Table of Contents
6
About this Manual
13
Conventions
13
Related Documentation
14
NI-DAQ for Windows
14
NI-Daqmx for Linux
14
NI-Daqmx Base
15
Labview
15
Labwindows/CVI
16
Measurement Studio
16
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
DAQ System Overview
19
DAQ Hardware
20
Daq-Stc
21
Calibration Circuitry
21
Internal or Self-Calibration
22
External Calibration
22
Signal Conditioning
22
Sensors and Transducers
22
Signal Conditioning Options
23
Scxi
23
Scc
24
5B Series
24
Cables and Accessories
24
Using Accessories with Devices
25
Custom Cabling
27
Programming Devices in Software
28
I/O Connector Signal Descriptions
29
Terminal Name Equivalents
32
+5 V Power Source
34
Analog Input
35
Analog Input Circuitry
35
Mux
35
Instrumentation Amplifier (ni
36
A/D Converter
36
Ai Fifo
36
Analog Trigger
36
AI Timing Signals
36
Input Polarity and Range
36
Analog Input Terminal Configuration
39
Dither
42
Multichannel Scanning Considerations
43
Use Low Impedance Sources
44
Use Short High-Quality Cabling
45
Carefully Choose the Channel Scanning Order
45
Avoid Switching from a Large to a Small Input Range
45
Insert Grounded Channel between Signal Channels
45
Minimize Voltage Step between Adjacent Channels
46
Avoid Scanning Faster than Necessary
46
Example 1
46
Example 2
47
AI Data Acquisition Methods
47
Software-Timed Acquisitions
47
Hardware-Timed Acquisitions
47
Analog Input Triggering
48
AI Start Trigger Signal
49
Using a Digital Source
49
Using an Analog Source
49
Outputting the AI Start Trigger Signal
50
AI Reference Trigger Signal
50
Using a Digital Source
52
Using an Analog Source
52
Outputting the AI Reference Trigger Signal
52
AI Pause Trigger Signal
53
Using a Digital Source
53
Using an Analog Source
53
Connecting Analog Input Signals
54
Types of Signal Sources
56
Floating Signal Sources
56
Ground-Referenced Signal Sources
56
Differential Connection Considerations
56
Differential Connections for Ground-Referenced Signal Sources
57
Common-Mode Signal Rejection Considerations
58
Differential Connections for Non-Referenced or Floating Signal Sources
58
Single-Ended Connection Considerations
60
Common-Mode Signal Rejection Considerations
60
Single-Ended Connections for Floating Signal Sources (RSE Configuration)
61
Single-Ended Connections for Grounded Signal Sources (NRSE Configuration)
61
Field Wiring Considerations
62
Configuring AI Modes in Software
63
Traditional NI-DAQ (Legacy)
63
NI-Daqmx
63
Analog Input Timing Signals
64
AI Start Trigger Signal
66
Using a Digital Source
67
Using an Analog Source
67
Outputting the AI Start Trigger Signal
67
AI Reference Trigger Signal
68
Using a Digital Source
69
Using an Analog Source
70
Outputting the AI Reference Trigger Signal
70
AI Pause Trigger Signal
70
Using a Digital Source
70
Using an Analog Source
71
AI Sample Clock Signal
71
Using an Internal Source
71
Using an External Source
71
Outputting the AI Sample Clock Signal
72
Other Timing Requirements
73
AI Sample Clock Timebase Signal
74
AI Convert Clock Signal
75
Using an Internal Source
75
Using an External Source
76
Outputting the AI Convert Clock Signal
76
Using a Delay from Sample Clock to Convert Clock
77
Other Timing Requirements
77
AI Convert Clock Timebase Signal
79
Master Timebase Signal
79
AI Hold Complete Event Signal
80
External Strobe Signal
80
Getting Started with AI Applications in Software
81
Analog Output
82
Analog Output Circuitry
82
Dacs
82
Dac Fifo
82
AO Sample Clock
83
Polarity and Reference Selection
83
Reference Selection
83
Polarity Selection
84
Reglitch Selection
84
Minimizing Glitches on the Output Signal
84
AO Data Generation Methods
85
Software-Timed Generations
85
Hardware-Timed Generations
85
Buffered
85
Non-Buffered
86
Analog Output Triggering
86
AO Start Trigger Signal
87
Using a Digital Source
87
Using an Analog Source
87
Outputting the AO Start Trigger Signal
87
AO Pause Trigger Signal
88
Using a Digital Source
88
Using an Analog Source
88
Connecting Analog Output Signals
89
Waveform Generation Timing Signals
90
AO Start Trigger Signal
90
Using a Digital Source
90
Using an Analog Source
91
Outputting the AO Start Trigger Signal
91
AO Pause Trigger Signal
91
Using a Digital Source
91
Using an Analog Source
92
AO Sample Clock Signal
92
Using an Internal Source
92
Using an External Source
92
Outputting the AO Sample Clock Signal
93
Other Timing Requirements
93
AO Sample Clock Timebase Signal
94
Master Timebase Signal
95
Getting Started with AO Applications in Software
96
Digital I/O
98
Extended Digital I/O
98
Port 3 Signal Assignments
98
Power-On State
99
Changing DIO Power-On State to Pulled Low
99
Timing Specifications
100
Mode 1 Input Timing
102
Mode 1 Output Timing
103
Mode 2 Bidirectional Timing
104
Power-On States of the PFI and DIO Lines
105
Connecting Digital I/O Signals
105
Getting Started with DIO Applications in Software
106
Counters
107
Counter Triggering
107
Start Trigger
107
Pause Trigger
108
Counter Timing Signals
108
Counter 0 Source Signal
109
Counter 0 Gate Signal
110
Counter 0 Internal Output Signal
111
CTR 0 out Pin
112
Counter 0 Up/Down Signal
112
Counter 1 Source Signal
112
Counter 1 Gate Signal
113
Counter 1 Internal Output Signal
114
Counter 1 Up/Down Signal
115
Frequency Output Signal
115
Master Timebase Signal
115
Getting Started with Counter Applications in Software
116
Programmable Function Interfaces (PFI)
117
Inputs
117
Outputs
117
Digital Routing
119
Timing Signal Routing
119
Connecting Timing Signals
122
Routing Signals in Software
123
Real-Time System Integration Bus (RTSI)
124
RTSI Triggers
124
PCI E Series Devices
124
PXI E Series Devices
125
Device and RTSI Clocks
127
Synchronizing Multiple Devices
127
Bus Interface
128
MITE and Daqpnp
128
Using PXI with Compactpci
128
Data Transfer Methods
129
Direct Memory Access (DMA)
129
Interrupt Request (IRQ)
129
Programmed I/O
129
Changing Data Transfer Methods between DMA and IRQ
130
Triggering
131
Triggering with a Digital Source
131
Triggering with an Analog Source
132
PFI 0/AI START TRIG Pin
133
Analog Input Channel
133
Analog Trigger Actions
133
Analog Trigger Types
134
Level Triggering
134
Level Triggering with Hysteresis
135
Window Triggering
135
Analog Trigger Accuracy
136
Device-Specific Information
137

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National Instruments DAQPad-6020E User Manual (265 pages)

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