Agilent Technologies E1356A Specifikace stáhnout pdf (Strana 33)

Connecting FET

Strain Gage

Multiplexers to an

External Voltmeter

Figure 2-8. Connecting FET Strain Gage Multiplexers

to an External Voltmeter

32 Connecting Strain Gages to the Multiplexers Chapter 2

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Contents 2
WARNINGS 9
Documentation History 9
Safety Symbols 9
BUSINESS REPLY MAIL 12
Multiplexers 14
Identifying the 15
Terminal Module 15
Setting the Card ID 17
Selecting the 18
Interrupt Line 18
Internally Supplied 19
Bridge Excitation 19
Strain Gage 20
Multiplexer 20
Configurations 20
Instrument 22
Addressing 22
Connecting the 23
Chapter 2 24
About This Chapter 24
Terminal Module Configuration 24
Bridge Selection 25
Voltage Terminals 25
Wiring a Terminal Module 27
Strain Gage Wiring Diagrams 28
1/4 Bridge Diagrams 29
1/2 Bridge Diagrams 30
Full Bridge 31
Diagrams 31
Connecting Relay 32
Multiplexers to an 32
External Voltmeter 32
Connecting FET 33
Chapter 3 34
Dynamic Strain Measurements 38
Rosette Measurements 40
DISP "" 42
Continued on Next Page 45
Comments 48
• This program makes 48
Chapter 4 50
Making Strain Measurements 50
Unbalanced Bridge 51
Measurement 51
Technique 51
Downloaded 52
Unstrained 52
References 52
Equations 53
Block Diagram 54
Description 54
The Wheatstone 55
120Ω and 350Ω 56
MULTIMETER 57
(VIA ANALOG BUS) 57
Figure 4-7. The Wagner Ground 58
1/4 Bridge 59
Measurements 59
(QUARter) 59
1/2 Bridge 60
Poisson 1/2 Bridge 61
(HPOisson) 61
Dummy Gage 61
Bridge (FBPoisson) 63
Bending Poisson Full 63
Poisson Full Bridge 64
(FPOisson) 64
Reference 66
SCPI Command Reference 68
Numeric 1 - 32767 70
CALibration 71
CONFigure 72
Numeric 1 - 99 74
Boolean 0 75
INITiate 76
Subsystem Syntax MEASure 78
[ROUTe:] 81
Numeric cc00 - cc15 83
Discrete NONE 86
Discrete ABUS 87
[SENSe:] 89
Numeric as measured 91
Numeric 00 - 07 91
Numeric 1 to 32768 92
Numeric 1 to 99 93
Numeric 1 to 99 94
Example Query Trigger Source 98
IEEE 488.2 Common Commands 99
Command Quick Reference 100
Specifications 102
Relay Life 104
Appendix B 106
Material Tables 107
Strain Gage Diagnostics 108
Leadwire Resistance 109
Internal Half Bridge Voltage 112
Shunt Verification 114
Procedure 116
Guard Voltage 117
!Print the guard voltage 118
Bridge Excitation Voltage 119
Appendix D 120
About This Appendix 120
Register Addressing 121
A16 Address Space 123
Inside the 123
Command Module 123
Register Descriptions 124
Relay Multiplexer Registers 124
Device Type 125
Register 125
FET Multiplexer Registers 127
Scan Control 129
Scan Channel 129
Delay Register 129
The WRITE 130
Registers 130
Configuration 132
Direct Channel 133
Direct Control 133
Programming Examples 134
Reading the Device 135
Type Register 135
Appendix E 138
149

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