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NI USB-6341 BNC User Manual
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© National Instruments
|
A-43
X Ser
ies Use
r Manual
NI 6365 De
vice Specifications
Refer to th
e
NI
6365 Device Specifications
for more detailed information about the NI 6365
device.
NI 6365 Accessor
y
and Cabl
ing Options
NI offers a variety of accessories and cables to use with your DAQ device. Refer to the
Cables
and Accessories
section of Ch
apter
2,
DAQ System Overview
, for more information.
249
251
Table of Contents
Table of Contents
6
Getting Started
16
Safety Guidelines
16
Electromagnetic Compatibility Guidelines
17
Hardware Symbol Definitions
17
Installation
18
Unpacking
18
Device Self-Calibration
19
Getting Started with X Series USB Devices
20
USB Device Chassis Ground
20
Ferrite Installation
21
Mounting ni USB X Series Devices
22
Panel/Wall Mounting
22
DIN Rail Mounting
23
USB Cable Strain Relief
24
USB Device Leds
24
Device Accessories and Cables
25
Device Pinouts
25
Device Specifications
25
USB Device Security Cable Slot
25
DAQ System Overview
26
DAQ Hardware
27
Daq-Stc3
27
Cables and Accessories
28
Calibration Circuitry
28
PCI Express, PXI Express, and USB Mass Termination Device Cables and Accessories
29
SCC Accessories
29
SCXI Accessories
29
BNC Accessories
30
Cables
31
RTSI Cables
31
Screw Terminal Accessories
31
Custom Cabling and Connectivity
32
USB Device Accessories, USB Cable, Power Supply, and Ferrite
32
Sensors and Transducers
33
Signal Conditioning
33
Scc
34
Scxi
34
Signal Conditioning Options
34
Programming Devices in Software
35
Connector and LED Information
37
I/O Connector Signal Descriptions
38
+5 V Power Source
41
USER 1 and USER 2
41
Disk Drive Power Connector Installation
42
PCI Express Device Disk Drive Power Connector
42
When to Use the Disk Drive Power Connector
42
RTSI Connector Pinout
43
USB Device LED Patterns
43
Analog Input
44
Analog Input on MIO X Series Devices
44
Analog Input Range
45
Working Voltage Range
46
Analog Input Ground-Reference Settings
47
Configuring AI Ground-Reference Settings in Software
49
Multichannel Scanning Considerations
49
Analog Input Data Acquisition Methods
52
Hardware-Timed Acquisitions
52
Software-Timed Acquisitions
52
Analog Input Triggering
53
Connecting Analog Input Signals
53
Connecting Floating Signal Sources
55
What Are Floating Signal Sources
55
When to Use Differential Connections with Floating Signal Sources
55
When to Use Non-Referenced Single-Ended (NRSE) Connections with Floating Signal Sources
55
Using Differential Connections for Floating Signal Sources
56
When to Use Referenced Single-Ended (RSE) Connections with Floating Signal Sources
56
Using Non-Referenced Single-Ended (NRSE) Connections for Floating Signal Sources
59
Connecting Ground-Referenced Signal Sources
60
Using Referenced Single-Ended (RSE) Connections for Floating Signal Sources
60
What Are Ground-Referenced Signal Sources
60
When to Use Differential Connections with Ground-Referenced Signal Sources
61
When to Use Non-Referenced Single-Ended (NRSE) Connections with Ground-Referenced Signal Sources
61
Using Differential Connections for Ground-Referenced Signal Sources
62
When to Use Referenced Single-Ended (RSE) Connections with Ground-Referenced Signal Sources
62
Using Non-Referenced Single-Ended (NRSE) Connections for Ground-Referenced Signal Sources
63
Field Wiring Considerations
64
Analog Input Timing Signals
65
Aggregate Versus Single Channel Sample Rates
67
AI Sample Clock Signal
67
AI Sample Clock Timebase Signal
69
AI Convert Clock Signal
70
AI Convert Clock Timebase Signal
73
AI Hold Complete Event Signal
73
AI Start Trigger Signal
73
AI Reference Trigger Signal
75
AI Pause Trigger Signal
77
Getting Started with AI Applications in Software
78
Analog Input on Simultaneous MIO X Series Devices
79
Analog Input Range
80
Analog Input Terminal Configuration
80
Analog Input Data Acquisition Methods
81
Working Voltage Range
81
Analog Input Triggering
83
Connecting Analog Input Signals
84
Types of Signal Sources
84
Differential Connections for Ground-Referenced Signal Sources
85
Differential Connections for Floating Signal Sources
86
Field Wiring Considerations
87
Unused Channels
87
Analog Input Timing Signals
88
Minimizing Drift in Differential Mode
88
Aggregate Versus Single Channel Sample Rates
90
AI Sample Clock Signal
91
AI Sample Clock Timebase Signal
92
AI Hold Complete Event Signal
93
AI Start Trigger Signal
93
AI Reference Trigger Signal
96
AI Pause Trigger Signal
97
Getting Started with AI Applications in Software
99
Analog Output
100
AO Reference Selection
101
Minimizing Glitches on the Output Signal
101
Analog Output Data Generation Methods
102
Hardware-Timed Generations
102
Software-Timed Generations
102
Analog Output Triggering
103
Analog Output Timing Signals
104
Connecting Analog Output Signals
104
AO Start Trigger Signal
105
Retriggerable Analog Output
105
Using a Digital Source
105
AO Pause Trigger Signal
106
Routing AO Start Trigger Signal to an Output Terminal
106
Using an Analog Source
106
AO Sample Clock Signal
107
Routing AO Pause Trigger Signal to an Output Terminal
107
Using a Digital Source
107
Using an Analog Source
107
Using an Internal Source
107
Other Timing Requirements
108
Routing AO Sample Clock Signal to an Output Terminal
108
Using an External Source
108
AO Sample Clock Timebase Signal
109
Getting Started with AO Applications in Software
110
Digital I/O
111
Digital Input Data Acquisition Methods
112
Hardware-Timed Acquisitions
112
Software-Timed Acquisitions
112
Digital Input Triggering
113
DI Sample Clock Signal
114
Digital Waveform Acquisition
114
Other Timing Requirements
115
Routing DI Sample Clock to an Output Terminal
115
Using an External Source
115
Using an Internal Source
115
DI Sample Clock Timebase Signal
116
DI Start Trigger Signal
117
Retriggerable DI
117
Using a Digital Source
117
DI Reference Trigger Signal
118
Routing DI Start Trigger to an Output Terminal
118
Using an Analog Source
118
Routing DI Reference Trigger Signal to an Output Terminal
119
Using a Digital Source
119
Using an Analog Source
119
DI Pause Trigger Signal
120
Using a Digital Source
120
Using an Analog Source
120
Digital Output Data Generation Methods
121
Hardware-Timed Generations
121
Routing DI Pause Trigger Signal to an Output Terminal
121
Software-Timed Generations
121
Digital Output Triggering
122
Digital Waveform Generation
123
DO Sample Clock Signal
123
Using an Internal Source
123
Other Timing Requirements
124
Routing DO Sample Clock to an Output Terminal
124
Using an External Source
124
DO Sample Clock Timebase Signal
125
DO Start Trigger Signal
125
Retriggerable DO
125
DO Pause Trigger Signal
126
Routing DO Start Trigger Signal to an Output Terminal
126
Using a Digital Source
126
Using an Analog Source
126
Using a Digital Source
127
I/O Protection
128
Programmable Power-Up States
128
Routing DO Pause Trigger Signal to an Output Terminal
128
Using an Analog Source
128
DI Change Detection
129
DI Change Detection Applications
130
Digital Filtering
130
Watchdog Timer
133
Connecting Digital I/O Signals
134
Getting Started with DIO Applications in Software
135
Counter Timing Engine
137
Counters
137
Counter Input Applications
138
Counting Edges
138
Buffered (Sample Clock) Edge Counting
139
Single Point (On-Demand) Edge Counting
139
Controlling the Direction of Counting
140
Pulse-Width Measurement
140
Implicit Buffered Pulse-Width Measurement
141
Single Pulse-Width Measurement
141
Hardware-Timed Single Point Pulse-Width Measurement
142
Sample Clocked Buffered Pulse-Width Measurement
142
Implicit Buffered Pulse Measurement
143
Pulse Measurement
143
Single Pulse Measurement
143
Hardware-Timed Single Point Pulse Measurement
144
Sample Clocked Buffered Pulse Measurement
144
Pulse Versus Semi-Period Measurements
145
Semi-Period Measurement
145
Frequency Measurement
146
Implicit Buffered Semi-Period Measurement
146
Single Semi-Period Measurement
146
High Frequency with Two Counters
147
Low Frequency with One Counter
147
Large Range of Frequencies with Two Counters
148
Sample Clocked Buffered Frequency Measurement
149
Choosing a Method for Measuring Frequency
151
Hardware-Timed Single Point Frequency Measurement
151
Period Measurement
155
Measurements Using Quadrature Encoders
156
Position Measurement
156
Buffered (Sample Clock) Position Measurement
158
Measurements Using Two Pulse Encoders
158
Hardware-Timed Single Point Position Measurement
159
Single Two-Signal Edge-Separation Measurement
159
Two-Signal Edge-Separation Measurement
159
Implicit Buffered Two-Signal Edge-Separation Measurement
160
Sample Clocked Buffered Two-Signal Separation Measurement
160
Counter Output Applications
161
Hardware-Timed Single Point Two-Signal Separation Measurement
161
Simple Pulse Generation
162
Single Pulse Generation
162
Single Pulse Generation with Start Trigger
162
Finite Pulse Train Generation
163
Pulse Train Generation
163
Retriggerable Pulse or Pulse Train Generation
164
Continuous Pulse Train Generation
165
Buffered Pulse Train Generation
166
Finite Implicit Buffered Pulse Train Generation
166
Continuous Buffered Implicit Pulse Train Generation
167
Finite Buffered Sample Clocked Pulse Train Generation
167
Continuous Buffered Sample Clocked Pulse Train Generation
168
Frequency Generation
169
Using the Frequency Generator
169
Frequency Division
170
Pulse Generation for ETS
170
Counter N Source Signal
171
Counter Timing Signals
171
Counter N Gate Signal
172
Routing a Signal to Counter N Source
172
Routing Counter N Source to an Output Terminal
172
Counter N aux Signal
173
Routing a Signal to Counter N aux
173
Routing a Signal to Counter N Gate
173
Routing Counter N Gate to an Output Terminal
173
Counter N A, Counter N B, and Counter N Z Signals
174
Counter N HW Arm Signal
174
Counter N Up_Down Signal
174
Routing Counter N Z Signal to an Output Terminal
174
Routing Signals to A, B, and Z Counter Inputs
174
Counter N Sample Clock Signal
175
Routing Signals to Counter N HW Arm Input
175
Using an Internal Source
175
Counter N Internal Output and Counter N TC Signals
176
Frequency Output Signal
176
Routing Counter N Internal Output to an Output Terminal
176
Routing Counter N Sample Clock to an Output Terminal
176
Routing Frequency Output to a Terminal
176
Using an External Source
176
Default Counter/Timer Pins
177
Cascading Counters
180
Counter Triggering
180
Other Counter Features
180
Prescaling
181
Synchronization Modes
181
100 Mhz Source Mode
182
External or Internal Source Less than 25 Mhz
182
External Source Greater than 25 Mhz
182
Pfi
183
Exporting Timing Output Signals Using PFI Terminals
184
Using PFI Terminals as Timing Input Signals
184
Using PFI Terminals as Static Digital I/Os
185
PFI Filters
186
Using PFI Terminals to Digital Detection Events
186
I/O Protection
188
Programmable Power-Up States
188
Clock Routing
189
Digital Routing and Clock Generation
189
100 Khz Timebase
190
100 Mhz Timebase
190
External Reference Clock
190
10 Mhz Reference Clock
191
PCI Express Devices
191
PXI Express Devices
191
Synchronizing Multiple Devices
191
Real-Time System Integration (RTSI)
192
USB Devices
192
RTSI Connector Pinout
193
Using RTSI as Outputs
194
Using RTSI Terminals as Timing Input Signals
194
PXI and PXI Express Clock and Trigger Signals
195
Pxie_Clk100
195
Pxie_Sync100
195
RTSI Filters
195
PXI Triggers
196
Pxi_Clk10
196
PXI_STAR Filters
196
PXI_STAR Trigger
196
Pxie_Dstar<A..C
197
Bus Interface
198
Data Transfer Methods
198
PCI Express/Pxi Express Device Data Transfer Methods
198
USB Device Data Transfer Methods
199
PXI and PXI Express Clock and Trigger Signals
200
PXI Express
200
PXI Express Considerations
200
Pxie DAQ Bandwidth Considerations
200
USB DAQ Bandwidth Considerations
200
Data Throughput
201
Triggering with a Digital Source
202
APFI <0,1> Terminals
203
Triggering with an Analog Source
203
Analog Input Channels
204
Analog Input Channels on MIO X Series Devices
204
Analog Input Channels on Simultaneous MIO X Series Devices
204
Analog Trigger Actions
204
Analog Trigger Types
205
Routing Analog Comparison Event to an Output Terminal
205
Analog Trigger Accuracy
207
Device-Specific Information
208
Figure A-1. ni Pcie-6320 Pinout
209
Figure A-2. ni Pcie-6321 and ni Pcie/Pxie-6341 Pinout
211
Figure A-3. ni USB-6341 Screw Terminal Pinout
212
Figure A-4. ni USB-6341 BNC Pinout
213
Figure A-5. ni Pcie-6323/6343 Pinout
215
Figure A-6. ni USB-6343 Screw Terminal Pinout
216
Figure A-7. ni USB-6343 BNC Pinout
217
Figure A-8. ni Pxie-6345/6355 Pinout
219
Figure A-9. ni Pcie-6346 Pinout
221
Figure A-10. ni USB 6346 Screw Terminal Pinout
222
Where to Go from here
256
Appendix C Troubleshooting
261
NI Services
262
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NI USB-6341 BNC Specifications
General
Brand
NI
Model
USB-6341 BNC
Category
I/O Systems
Language
English
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