National Instruments PXI-6220 Manuals

Manuals and User Guides for National Instruments PXI-6220. We have 1 National Instruments PXI-6220 manual available for free PDF download: User Manual

National Instruments PXI-6220 User Manual (298 pages)

Multifunction I/O Modules and Devices

Brand: National Instruments | Category: Data Loggers | Size: 5.91 MB

Table of Contents
6
Getting Started
15
Safety Guidelines
15
Safety Guidelines for Hazardous Voltages
16
Electromagnetic Compatibility Guidelines
16
Hardware Symbol Definitions
17
Installation
17
Unpacking
17
Device Self-Calibration
18
Getting Started with M Series PCI Express Devices and the Disk Drive Power Connector
19
When to Use the Disk Drive Power Connector
19
Disk Drive Power Connector Installation
19
Getting Started with M Series USB Devices
20
Applying the Signal Label to USB Screw Terminal Devices
20
USB Device Chassis Ground
20
USB Device Panel/Wall Mounting
22
USB Device Leds
22
USB Cable Strain Relief
22
USB Device Fuse Replacement
23
USB Device Security Cable Slot
26
Installing a Ferrite
27
Pinouts
27
Specifications
27
Accessories and Cables
27
DAQ System Overview
28
DAQ Hardware
28
DAQ-STC2 and DAQ-6202
29
Calibration Circuitry
29
Cables and Accessories
30
68-Pin M Series Cables and Accessories
30
68-Pin Cables
32
68-Pin BNC Accessories
33
68-Pin Screw Terminal Accessories
33
RTSI Cables
33
SCC Carriers and Accessories
33
Scxi
34
68-Pin Custom Cabling and Connectivity
34
USB Device Accessories, USB Cable, and Power Supply
35
37-Pin M Series Cables and Accessories
35
37-Pin Cables
36
37-Pin Screw Terminal Accessories
36
RTSI Cables
36
37-Pin Custom Cabling
36
Signal Conditioning
37
Sensors and Transducers
37
Signal Conditioning Options
37
Scxi
37
Scc
38
Programming Devices in Software
38
Connector and LED Information
40
I/O Connector Signal Descriptions
40
+5 V Power Source
44
USER 1 and USER 2
44
RTSI Connector Pinout
46
LED Patterns
46
Analog Input
47
Analog Input Range
48
Analog Input Lowpass Filter
49
Analog Input Ground-Reference Settings
50
Configuring AI Ground-Reference Settings in Software
52
Multichannel Scanning Considerations
52
Analog Input Data Acquisition Methods
55
Software-Timed Acquisitions
55
Hardware-Timed Acquisitions
55
Analog Input Triggering
56
Connecting Analog Input Signals
57
Connecting Floating Signal Sources
58
What Are Floating Signal Sources
58
When to Use Differential Connections with Floating Signal Sources
58
When to Use Non-Referenced Single-Ended (NRSE) Connections with Floating Signal Sources
58
When to Use Referenced Single-Ended (RSE) Connections with Floating Signal Sources
59
Using Differential Connections for Floating Signal Sources
59
Using Non-Referenced Single-Ended (NRSE) Connections for Floating Signal Sources
62
Using Referenced Single-Ended (RSE) Connections for Floating Signal Sources
63
Connecting Ground-Referenced Signal Sources
63
What Are Ground-Referenced Signal Sources
63
When to Use Differential Connections with Ground-Referenced Signal Sources
64
When to Use Non-Referenced Single-Ended (NRSE) Connections with Ground-Referenced Signal Sources
64
When to Use Referenced Single-Ended (RSE) Connections with Ground-Referenced Signal Sources
65
Using Differential Connections for Ground-Referenced Signal Sources
65
Using Non-Referenced Single-Ended (NRSE) Connections for Ground-Referenced Signal Sources
66
Field Wiring Considerations
67
Analog Input Timing Signals
67
AI Sample Clock Signal
69
Using an Internal Source
70
Using an External Source
70
Routing AI Sample Clock Signal to an Output Terminal
70
Other Timing Requirements
70
AI Sample Clock Timebase Signal
71
AI Convert Clock Signal
71
Using an Internal Source
72
Using an External Source
72
Routing AI Convert Clock Signal to an Output Terminal
72
Using a Delay from Sample Clock to Convert Clock
73
Other Timing Requirements
73
AI Convert Clock Timebase Signal
75
AI Hold Complete Event Signal
75
AI Start Trigger Signal
75
Using a Digital Source
75
Using an Analog Source
76
Routing AI Start Trigger to an Output Terminal
76
AI Reference Trigger Signal
76
Using a Digital Source
77
Using an Analog Source
77
Routing AI Reference Trigger Signal to an Output Terminal
77
AI Pause Trigger Signal
77
Using a Digital Source
78
Using an Analog Source
78
Routing AI Pause Trigger Signal to an Output Terminal
78
Getting Started with AI Applications in Software
78
Analog Output
79
AO Offset and AO Reference Selection
80
Minimizing Glitches on the Output Signal
81
Analog Output Data Generation Methods
81
Software-Timed Generations
81
Hardware-Timed Generations
82
Analog Output Triggering
83
Connecting Analog Output Signals
83
Analog Output Timing Signals
84
AO Start Trigger Signal
84
Using a Digital Source
84
Using an Analog Source
85
Routing AO Start Trigger Signal to an Output Terminal
85
AO Pause Trigger Signal
85
Using a Digital Source
86
Using an Analog Source
86
Routing AO Pause Trigger Signal to an Output Terminal
86
AO Sample Clock Signal
86
Using an Internal Source
86
Using an External Source
86
Routing AO Sample Clock Signal to an Output Terminal
87
Other Timing Requirements
87
AO Sample Clock Timebase Signal
87
Getting Started with AO Applications in Software
88
Digital I/O
89
Static DIO
90
Digital Waveform Triggering
90
Digital Waveform Acquisition
91
DI Sample Clock Signal
91
Using an Internal Source
91
Using an External Source
92
Routing DI Sample Clock to an Output Terminal
92
Digital Waveform Generation
92
DO Sample Clock Signal
92
Using an Internal Source
93
Using an External Source
93
Routing DO Sample Clock to an Output Terminal
93
I/O Protection
93
Programmable Power-Up States
94
DI Change Detection
95
DI Change Detection Applications
96
Connecting Digital I/O Signals
96
Getting Started with DIO Applications in Software
97
Counter Input Applications
98
Counting Edges
99
Single Point (On-Demand) Edge Counting
99
Buffered (Sample Clock) Edge Counting
100
Controlling the Direction of Counting
100
Pulse-Width Measurement
100
Single Pulse-Width Measurement
101
Buffered Pulse-Width Measurement
101
Period Measurement
102
Single Period Measurement
102
Buffered Period Measurement
103
Semi-Period Measurement
104
Single Semi-Period Measurement
104
Buffered Semi-Period Measurement
104
Frequency Measurement
105
Low Frequency with One Counter
105
Low Frequency with One Counter (Averaged)
106
High Frequency with Two Counters
106
Large Range of Frequencies with Two Counters
107
Choosing a Method for Measuring Frequency
108
Position Measurement
111
Measurements Using Quadrature Encoders
112
Measurements Using Two Pulse Encoders
113
Buffered (Sample Clock) Position Measurement
114
Two-Signal Edge-Separation Measurement
114
Single Two-Signal Edge-Separation Measurement
115
Buffered Two-Signal Edge-Separation Measurement
115
Counter Output Applications
116
Simple Pulse Generation
116
Single Pulse Generation
116
Single Pulse Generation with Start Trigger
117
Retriggerable Single Pulse Generation
117
Pulse Train Generation
118
Continuous Pulse Train Generation
118
Finite Pulse Train Generation
119
Frequency Generation
119
Using the Frequency Generator
119
Frequency Division
120
Pulse Generation for ETS
120
Counter Timing Signals
121
Counter N Source Signal
121
Routing a Signal to Counter N Source
122
Routing Counter N Source to an Output Terminal
122
Counter N Gate Signal
122
Routing a Signal to Counter N Gate
123
Routing Counter N Gate to an Output Terminal
123
Counter N aux Signal
123
Routing a Signal to Counter N aux
123
Counter N A, Counter N B, and Counter N Z Signals
124
Routing Signals to A, B, and Z Counter Inputs
124
Routing Counter N Z Signal to an Output Terminal
124
Counter N Up_Down Signal
124
Counter N HW Arm Signal
124
Routing Signals to Counter N HW Arm Input
124
Counter N Internal Output and Counter N TC Signals
125
Routing Counter N Internal Output to an Output Terminal
125
Frequency Output Signal
125
Routing Frequency Output to a Terminal
125
Default Counter/Timer Pinouts
125
Counter Triggering
126
Other Counter Features
127
Cascading Counters
127
Counter Filters
127
Prescaling
129
Duplicate Count Prevention
129
Example Application that Works Correctly (no Duplicate Counting)
130
Example Application that Works Incorrectly (Duplicate Counting)
130
Example Application that Prevents Duplicate Count
131
When to Use Duplicate Count Prevention
131
Enabling Duplicate Count Prevention in NI-Daqmx
132
Synchronization Modes
132
80 Mhz Source Mode
133
Other Internal Source Mode
133
External Source Mode
133
Pfi
134
Using PFI Terminals as Timing Input Signals
135
Exporting Timing Output Signals Using PFI Terminals
135
Using PFI Terminals as Static Digital I/Os
136
Connecting PFI Input Signals
136
PFI Filters
137
I/O Protection
138
Programmable Power-Up States
138
Clock Routing
139
80 Mhz Timebase
140
100 Khz Timebase
140
External Reference Clock
140
10 Mhz Reference Clock
140
Synchronizing Multiple Devices
141
PXI/PXI Express Modules
141
PCI/PCI Express Devices
141
USB Devices
141
Real-Time System Integration (RTSI)
142
RTSI Connector Pinout
142
Using RTSI as Outputs
143
Using RTSI Terminals as Timing Input Signals
144
RTSI Filters
144
PXI Clock and Trigger Signals
146
Pxi_Clk10
146
PXI Triggers
146
PXI_STAR Trigger
146
PXI_STAR Filters
146
Bus Interface
148
Data Transfer Methods
148
PCI/PCI Express Device and PXI/PXI Express Module Data Transfer Methods
148
USB Device Data Transfer Methods
149
PXI Considerations
150
PXI Clock and Trigger Signals
150
PXI and PXI Express
150
Using PXI with Compactpci
151
Triggering
152
Triggering with a Digital Source
152
Triggering with an Analog Source
153
APFI <0,1> Terminals
153
Analog Input Channels
153
Analog Trigger Actions
154
Routing Analog Comparison Event to an Output Terminal
154
Analog Trigger Types
154
Analog Trigger Accuracy
157
Figure A-1. PCI/PXI-6220 Pinout
159
Figure A-2. PCI/PXI-6221 Pinout
162
Figure A-3. USB-6221 Screw Terminal Pinout
164
Figure A-4. USB-6221 BNC Top Panel and Pinout
166
Figure A-5. PCI-6221 (37-Pin) Pinout
168
Figure A-6. PCI/PXI-6224 Pinout
170
Figure A-7. PCI/PXI-6225 Pinout
172
Figure A-8. USB-6225 Screw Terminal Pinout
174
Figure A-9. USB-6225 Mass Termination Pinout
176
Figure A-10. PCI/PXI-6229 Pinout
178
Figure A-11. USB-6229 Screw Terminal Pinout
180
Figure A-12. USB-6229 BNC Top Panel and Pinout
182
Figure A-13. PCI/PXI-6250 Pinout
184
Figure A-14. ni Pci/Pcie/Pxi/Pxie-6251 Pinout
186
Figure A-15. USB-6251 Screw Terminal Pinout
188
Figure A-16. USB-6251 BNC Top Panel and Pinout
190
Figure A-17. USB-6251 Mass Termination Pinout
192
Figure A-18. PCI/PXI-6254 Pinout
194
Figure A-19. PCI/PXI-6255 Pinout
196
Figure A-20. USB-6255 Screw Terminal Pinout
198
Figure A-21. USB-6255 Mass Termination Pinout
200
Figure A-22. ni Pci/Pcie/Pxi/Pxie-6259 Pinout
202
Figure A-23. USB-6259 Screw Terminal Pinout
204
Figure A-24. USB-6259 BNC Top Panel and Pinout
206

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National Instruments PXI-6220 User Manual (298 pages)

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