National Instruments cDAQ-9174 Manuals

Manuals and User Guides for National Instruments cDAQ-9174. We have 2 National Instruments cDAQ-9174 manuals available for free PDF download: User Manual, Quick Start

National Instruments cDAQ-9174 User Manual (107 pages)

CompactDAQ USB 2.0 Chassis

Brand: National Instruments | Category: Chassis | Size: 7.72 MB

Table of Contents
6
Getting Started with the Cdaq Chassis
11
Electromagnetic Compatibility Guidelines
13
Safety Guidelines
13
Safety Guidelines for Hazardous Voltages
13
Hardware Symbol Definitions
14
Unpacking
14
Installing the Cdaq Chassis
15
Mounting the Cdaq Chassis
17
NI 9901 Desktop Kit for Cdaq-9174/9178 Chassis
18
Using the Cdaq Chassis on a Desktop
18
Cdaq-9174/9178
19
Mounting the Cdaq Chassis on a Panel
19
Mounting the Cdaq-9174/9178 on a DIN Rail
21
Cdaq Chassis Features
22
Leds
22
Chassis Grounding Screw
23
Power Connector
23
TRIG 0 (PFI 0) and TRIG 1 (PFI 1) BNC Connectors
23
USB Port and Cable Strain Relief
23
Cables and Accessories
24
Removing Modules from the Chassis
24
C Series Module
25
Using the Cdaq Chassis
25
Cdaq Module Interface
26
Parallel Versus Serial DIO Modules
26
Stc3
26
Analog Input
28
Analog Input Timing Signals
28
Analog Input Triggering Signals
28
AI Convert Clock Signal Behavior for Analog Input Modules
29
AI Sample Clock Signal
29
AI Sample Clock Timebase Signal
29
Routing the Sample Clock to an Output Terminal
29
Scanned Modules
30
Sigma-Delta Modules
30
Simultaneous Sample-And-Hold Modules
30
Slow Sample Rate Modules
31
AI Reference Trigger Signal
32
AI Start Trigger Signal
32
Routing AI Start Trigger to an Output Terminal
32
Using a Digital Source
32
Using an Analog Source
32
Using a Digital Source
33
Using an Analog Source
33
AI Pause Trigger Signal
34
Getting Started with AI Applications in Software
34
Routing the Reference Trigger Signal to an Output Terminal
34
Using a Digital Source
34
Using an Analog Source
34
Analog Output
35
Analog Output Data Generation Methods
35
Software-Timed Generations
35
Buffered Analog Output
36
Hardware-Timed Generations
36
Analog Output Timing Signals
37
Analog Output Triggering Signals
37
AO Sample Clock Signal
37
Routing AO Sample Clock to an Output Terminal
37
AO Sample Clock Timebase Signal
38
AO Start Trigger Signal
38
Routing AO Start Trigger Signal to an Output Terminal
38
Using a Digital Source
38
Using an Analog Source
38
AO Pause Trigger Signal
39
Using a Digital Source
39
Using an Analog Source
39
Getting Started with AO Applications in Software
40
Minimizing Glitches on the Output Signal
40
Digital Input/Output
41
Digital Input/Output and PFI
41
Serial DIO Versus Parallel DIO Modules
41
Digital Input
42
Digital Input Timing Signals
42
Digital Input Triggering Signals
42
Static DIO
42
Digital Input Filters
46
Change Detection Acquisition
47
Change Detection Event
47
Getting Started with DI Applications in Software
47
Routing Change Detection Event to an Output Terminal
47
Digital Output
48
Digital Output Data Generation Methods
48
Digital Output Timing Signals
50
Digital Output Triggering Signals
50
Digital Input/Output Configuration for ni 9401
53
Getting Started with DO Applications in Software
53
Pfi
53
PFI Filters
53
Counter Timing Engine
55
Counters
55
Counter Input Applications
57
Counting Edges
57
Single Point (On-Demand) Edge Counting
57
Buffered (Sample Clock) Edge Counting
58
Controlling the Direction of Counting
58
Pulse-Width Measurement
59
Single Pulse-Width Measurement
59
Implicit Buffered Pulse-Width Measurement
60
Sample Clocked Buffered Pulse-Width Measurement
60
Implicit Buffered Pulse Measurement
61
Pulse Measurement
61
Single Pulse Measurement
61
Sample Clocked Buffered Pulse Measurement
62
Semi-Period Measurement
62
Implicit Buffered Semi-Period Measurement
63
Single Semi-Period Measurement
63
Frequency Measurement
64
Low Frequency with One Counter
64
Pulse Versus Semi-Period Measurements
64
High Frequency with Two Counters
65
Large Range of Frequencies with Two Counters
66
Sample Clocked Buffered Frequency Measurement
67
Choosing a Method for Measuring Frequency
68
Which Method Is Best
69
Measurements Using Quadrature Encoders
72
Period Measurement
72
Position Measurement
72
Channel Z Behavior
73
Buffered (Sample Clock) Position Measurement
74
Measurements Using Two Pulse Encoders
74
Single Two-Signal Edge-Separation Measurement
75
Two-Signal Edge-Separation Measurement
75
Implicit Buffered Two-Signal Edge-Separation Measurement
76
Sample Clocked Buffered Two-Signal Separation Measurement
76
Counter Output Applications
77
Simple Pulse Generation
77
Single Pulse Generation
77
Pulse Train Generation
78
Single Pulse Generation with Start Trigger
78
Finite Pulse Train Generation
79
Retriggerable Pulse or Pulse Train Generation
79
Continuous Pulse Train Generation
80
Buffered Pulse Train Generation
81
Finite Implicit Buffered Pulse Train Generation
81
Continuous Buffered Implicit Pulse Train Generation
82
Finite Buffered Sample Clocked Pulse Train Generation
82
Continuous Buffered Sample Clocked Pulse Train Generation
83
Frequency Generation
84
Using the Frequency Generator
84
Frequency Division
85
Pulse Generation for ETS
85
Counter N Source Signal
86
Counter Timing Signals
86
Counter N Gate Signal
87
Routing a Signal to Counter N Gate
87
Routing a Signal to Counter N Source
87
Routing Counter N Source to an Output Terminal
87
Counter N A, Counter N B, and Counter N Z Signals
88
Counter N aux Signal
88
Routing a Signal to Counter N aux
88
Routing Counter N Gate to an Output Terminal
88
Routing Counter N Z Signal to an Output Terminal
88
Routing Signals to A, B, and Z Counter Inputs
88
Counter N HW Arm Signal
89
Counter N Sample Clock Signal
89
Counter N Up_Down Signal
89
Routing Signals to Counter N HW Arm Input
89
Counter N Internal Output and Counter N TC Signals
90
Frequency Output Signal
90
Routing Counter N Internal Output to an Output Terminal
90
Routing Counter N Sample Clock to an Output Terminal
90
Using an External Source
90
Using an Internal Source
90
Counter Triggering
91
Default Counter/Timer Routing
91
Routing Frequency Output to a Terminal
91
Cascading Counters
92
Other Counter Features
92
Prescaling
92
Synchronization Modes
92
80 Mhz Source Mode
93
External or Internal Source Less than 20 Mhz
93
80 Mhz Timebase
94
Clock Routing
94
Digital Routing
94
Digital Routing and Clock Generation
94
100 Khz Timebase
95
20 Mhz Timebase
95
Appendix A Where to Go from here

96

National Instruments cDAQ-9174 Quick Start (4 pages)

USB Chassis

Brand: National Instruments | Category: Chassis | Size: 4.18 MB

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National Instruments cDAQ-9174 Manuals

National Instruments cDAQ-9174 User Manual (107 pages)

Table of Contents

Appendix A Where to Go from here

National Instruments cDAQ-9174 Quick Start (4 pages)

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