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National Instruments 6612 Manuals
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National Instruments 6612 manual available for free PDF download: User Manual
National Instruments 6612 User Manual (97 pages)
Brand:
National Instruments
| Category:
Timer
| Size: 4.33 MB
Table of Contents
Table of Contents
6
About this Manual
11
Related Documentation
11
Chapter 1
12
Introduction
12
Installation
12
Accessories and Cables
12
Chapter 2
14
Digital I/O
14
Digital Input Data Acquisition Methods
16
Software-Timed Acquisitions
16
Hardware-Timed Acquisitions
16
Digital Input Triggering
17
Digital Waveform Acquisition
18
DI Sample Clock Signal
18
Routing DI Sample Clock to an Output Terminal
19
Other Timing Requirements
19
DI Sample Clock Timebase Signal
19
DI Start Trigger Signal
20
Retriggerable DI
20
Using a Digital Source
21
Routing DI Start Trigger to an Output Terminal
21
DI Reference Trigger Signal
21
Using a Digital Source
22
Routing DI Reference Trigger Signal to an Output Terminal
22
DI Pause Trigger Signal
22
Using a Digital Source
23
Routing DI Pause Trigger Signal to an Output Terminal
23
Digital Output Data Generation Methods
23
Software-Timed Generations
23
Hardware-Timed Generations
24
Digital Output Triggering
25
Digital Waveform Generation
25
DO Sample Clock Signal
26
Routing DO Sample Clock to an Output Terminal
26
Other Timing Requirements
26
DO Sample Clock Timebase Signal
26
DO Start Trigger Signal
27
Retriggerable DO
27
Using a Digital Start Trigger
27
Routing DO Start Trigger Signal to an Output Terminal
27
DO Pause Trigger Signal
28
Using a Digital Pause Trigger
28
Routing DO Pause Trigger Signal to an Output Terminal
28
I/O Protection
29
DI Change Detection
29
DI Change Detection Applications
30
Digital Filtering
30
Connecting Digital I/O Signals
33
Getting Started with DIO Applications in Software
34
Signal Integrity Considerations
35
Chapter 3
36
Counters
36
Counter Input Applications
37
Edge Counting
37
Channel Settings
37
Timing Settings
38
Trigger Settings
39
Other Settings
41
Exporting a Terminal Count Signal
41
Cascading Counters
41
Pulse Measurement
41
Create Channel
42
Channel Settings
42
Timing Settings
43
Trigger Settings
44
Other Settings
45
Semi-Period Measurement
45
Settings
45
Frequency Measurement
46
Frequency Measurement Considerations
46
Frequency Measurement Methods
47
Period Measurement
54
Pulse-Width Measurement
54
Channel Settings
55
Timing Settings
55
Trigger Settings
56
Other Settings
57
Two-Edge Separation
57
Channel Settings
58
Timing Settings
58
Trigger Settings
59
Other Settings
60
Quadrature and Two-Pulse Encoder Overview
60
Quadrature Encoders
60
Two-Pulse Encoders
62
Angular Position Measurement
62
Create Channel
62
Channel Settings
62
Timing Settings
63
Trigger Settings
64
Other Settings
64
Linear Position Measurement
64
Counter Output Applications
64
Generating a Series of One or more Pulses
65
Create Channel
65
Channel Settings
66
Timing Settings
66
Triggering Setting
66
Generating a Waveform with Constant Frequency and Duty Cycle
67
Create Channel
67
Channel Settings
68
Timing Settings
68
Triggering Setting
68
Generating a Waveform with Variable Frequency and Duty Cycle
69
Create Channel
69
Channel Settings
70
Timing Settings
70
Triggering Settings
70
Buffer Considerations
70
Generating Complex Digital Waveform or Timing Pattern
71
Create Channel
71
Channel Settings
71
Timing Settings
72
Triggering Setting
72
Buffer Considerations
72
Other Features
72
Frequency Division
72
Frequency Generator
73
Chapter 4
74
Pfi
74
Using PFI Terminals as Timing Input Signals
75
Exporting Timing Output Signals Using PFI Terminals
75
Using PFI Terminals as Static Digital I/Os
76
Using PFI Terminals to Digital Detection Events
76
Connecting PFI Input Signals
76
PFI Filters
76
I/O Protection
78
Signal Integrity Considerations
78
Chapter 5
81
Counter Signal Routing and Clock Generation
81
Clock Routing
81
100 Mhz Timebase
82
100 Khz Timebase
82
External Reference Clock
82
10 Mhz Reference Clock
83
Pxie_Clk100 (ni Pxie-6612 Only)
83
Pxie_Sync100 (ni Pxie-6612 Only)
83
PXI_CLK10 (ni Pxie-6612 Only)
83
Default Routing
83
Routing Options
85
Matching Routing Terminology
85
Synchronizing Multiple Devices
86
PXI Express Devices
86
PCI Express Devices
87
Real-Time System Integration (RTSI)
87
Using RTSI as Outputs
88
Using RTSI Terminals as Timing Input Signals
88
RTSI Filters
89
PXI Trigger Signals (ni Pxie-6612 Only)
89
Pxi_Trigger<0..7
89
Pxi_Star
89
Pxie-DSTAR<A..C
90
Chapter 6
91
Bus Interface
91
Data Transfer Methods
91
PCI Express/Pxi Express Device Data Transfer Methods
91
PXI Express Considerations
92
PXI Express Clock and Trigger Signals
92
PXI Express
92
Chapter 7
93
Calibration
93
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