National Instruments SCC-SG Series Manuals

National Instruments SCC-SG Series Manuals

Manuals and User Guides for National Instruments SCC-SG Series. We have 1 National Instruments SCC-SG Series manual available for free PDF download: User Manual

National Instruments SCC-SG Series User Manual

National Instruments SCC-SG Series User Manual (52 pages)

Strain-Gauge Modules

Brand: National Instruments | Category: Control Unit | Size: 0.6 MB

Table of Contents

Table of Contents
1
Strain Gauges
3
Conventions
4
What You Need to Get Started
5
Unpacking the Module
6
Installing the Module
6
Connecting Strain-Gauge Input Signals
7
Panelettes
8
SCC-SG0X and SCC-SG24
8
Variable Definitions
8
SCC-SG01/02 Quarter-Bridge Connection
9
Quarter-Bridge Type I
10
SCC-SG03 Half-Bridge Connection
12
Half-Bridge Type I
12
Half-Bridge Type II
13
Quarter-Bridge Type II
14
SCC-SG04/24 Full-Bridge Connection
16
Full-Bridge Type I
16
Full-Bridge Type II
17
Full-Bridge Type III
18
Configuring the SCC System
20
Traditional NI-DAQ
20
NI-Daqmx
20
Virtual Channels, Physical Channels, and Tasks
21
Creating a Virtual Channel in Traditional NI-DAQ
21
Creating an NI-Daqmx Task or Global Channel
22
Theory of Operation
23
Wheatstone Bridges
23
Quarter-Bridge Type I
24
Quarter-Bridge Type II
24
Half-Bridge I
25
Half-Bridge II
26
Full-Bridge Type I
26
Full-Bridge Type II
27
Full-Bridge Type III
28
Signal Conditioning
29
Filtering
29
Amplification
29
Excitation
29
Bridge Completion
30
Offset Nulling Adjustment
30
Nulling Range Adjustment
31
Shunt Calibration Using the SCC-SG11
32
Connecting the SCC-SG11 Shunt Resistors
32
Using Shunt Calibration to Correct for Gain Error
36
Replacing Resistors
37
Replacing the Quarter-Bridge Completion Resistors
37
Replacing the Nulling Resistors
38
Replacing the Shunt Resistors
38
Using the SCC-SGXX
39
Converting Voltage Measurements to Units of Strain
39
Strain Equations
40
Formulas and Variable Definitions
41
Quarter-Bridge Type I
41
Quarter-Bridge Type II
42
Half-Bridge Type I
42
Half-Bridge Type II
42
Full-Bridge Type I
42
Full-Bridge Type II
43
Full-Bridge Type III
43
Specifications
44
SCC-SG0X Strain-Gauge Input Modules
44
Strain-Gauge Bridge Configuration
44
Analog Input
44
Transfer Characteristics
44
Amplifier Characteristics
45
Excitation
45
Strain-Gauge Bridge Completions
45
Completion Accuracy
45
Power Requirements
46
SCC-SG24 Strain-Gauge Input Module
46
Analog Input
46
Transfer Characteristics
46
Amplifier Characteristics
47
Dynamic
47
Stability
47
Null Compensation
47
Excitation
48
Power Requirements
48
SCC-SG11 Shunt Calibration Module
48
Digital I/O
48
Shunt Calibration
48
Power Requirements
49
SCC-SGXX Strain-Gauge Input Modules
49
Maximum Working Voltage
49
Physical
49
Environmental
50
Safety
50
Electromagnetic Compatibility
50
CE Compliance
50
SCC-SGXX Module Pin Assignments
51

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