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- Table des matières
- MARQUE LIVRES
Noté. / 5. Basé sur avis des utilisateurs
Appendix D
Strain Gage Register-Based Programming
About This Appendix
The HP E1355A - HP E1358A Relay and FET Strain Gage Multiplexers are
register-based modules which do not support the VXIbus word serial
protocol. When an SCPI command is sent to the multiplexer (switchbox),
the HP E1300/E1301 Mainframe (Series B) or the HP E1405/E1406
Command Module (Series C) parses the command and programs the
multiplexer at the register level. When the strain gage multiplexers are used
with the HP E1326B/E1411B Multimeter (which is also register-based),
SCPI commands are parsed by the mainframe/command module and are
written to the multimeter registers.
Register-based programming is a series of reads and writes directly to the
multiplexer (or multimeter) registers. This increases throughput speed since
it eliminates command parsing and allows the use of an embedded
controller. Also, if slot 0, the resource manager, and the computer interface
(HP-IB) are provided by other devices, a C-size system can be downsized
by removing the command module.
This appendix contains the information you need for register-based
programming. The contents include:
• Register Addressing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 120
• Register Descriptions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 123
• Relay Multiplexer Registers . . . . . . . . . . . . . . . . . . . . . . . . . Page 123
• FET Multiplexer Registers. . . . . . . . . . . . . . . . . . . . . . . . . . . Page 126
• Programming Examples. . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 133
Note This appendix covers relay and FET multiplexer register-based
programming from a multiplexer switchbox standpoint. Register-based
programming for scanning multimeter instruments (multimeters and
multiplexers in a single instrument) is covered in the HP E1326B/E1411B
Multimeter User’s Manual.
Appendix D Strain Gage Register-Based Programming 119
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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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