Lake Shore Model 625 Superconducting MPS User’s Manual
iv
Table of Contents
LIST OF ILLUSTRATIONS
Figure No.
Title
Page
1-1
Model 625 Front Panel ................................................................................................................................. 1-3
2-1
Typical Superconducting Magnet ................................................................................................................. 2-2
2-2
Cutaway of a Typical Helium Dewar, Magnet, and Insert ............................................................................. 2-2
3-1
Model 625 Rear Panel .................................................................................................................................. 3-2
3-2
Line Input Assembly ..................................................................................................................................... 3-3
3-3
Model 625 Analog Input/Output Connector .................................................................................................. 3-4
3-4
Model 625 Digital Input/Output Connector.................................................................................................... 3-5
3-5
Remote Inhibit and Trigger In Operation ...................................................................................................... 3-6
3-6
Persistent Switch Heater Output Connector ................................................................................................. 3-6
3-7
Connecting Two Power Supplies In Parallel ................................................................................................. 3-8
3-8
Rack Mounting a Model 625 Power Supply .................................................................................................. 3-9
4-1
Model 625 Output Current Display ............................................................................................................... 4-1
4-2
Model 625 Magnet Field Display .................................................................................................................. 4-2
5-1
Model 625 Status System............................................................................................................................. 5-5
5-2
Standard Event Status Register ................................................................................................................... 5-8
5-3
Operation Event Register ............................................................................................................................. 5-9
5-4
Hardware Error Status Register ................................................................................................................. 5-10
5-5
Operational Error Status Register .............................................................................................................. 5-11
5-6
PSH Error Status Register .......................................................................................................................... 5-11
5-7
Status Byte Register and Service Request Enable Register ...................................................................... 5-13
5-8
GPIB0 Setting Configuration ...................................................................................................................... 5-16
5-9
DEV 12 Device Template Configuration ..................................................................................................... 5-16
5-10
Typical National Instruments GPIB Configuration from IBCONF.EXE ........................................................ 5-21
7-1
Fuse Drawer ................................................................................................................................................. 7-2
7-2
Power Fuse Access ...................................................................................................................................... 7-3
7-3
Location Of Important Internal Components ................................................................................................. 7-8
7-4
ANALOG I/O Connector Details ................................................................................................................... 7-9
7-5
PSH OUTPUT Connector Details ................................................................................................................. 7-9
7-6
DIGITAL I/O Connector Details .................................................................................................................. 7-10
7-7
RS232 (DTE) Connector Details ................................................................................................................ 7-10
7-8
IEEE-488 Rear Panel Connector Details .................................................................................................... 7-12
C-1
Typical Cryogenic Storage Dewar ............................................................................................................... C-1
LIST OF TABLES
Table No.
Title
Page
2-1
Current Capacity and Total Lead Lengths .................................................................................................... 2-4
3-1
Current Capacity and Total Lead Lengths .................................................................................................... 3-4
4-1
Default Parameter Values .......................................................................................................................... 4-18
5-1
Binary Weighting of an 8-Bit Register ........................................................................................................... 5-7
5-2
Register Clear Methods ................................................................................................................................ 5-7
5-3
Programming Example to Generate an SRQ ............................................................................................. 5-13
5-4
IEEE-488 Interface Program Control Properties ......................................................................................... 5-18
5-5
Visual Basic IEEE-488 Interface Program .................................................................................................. 5-19
5-6
Quick Basic IEEE-488 Interface Program................................................................................................... 5-22
5-7
Serial Interface Specifications .................................................................................................................... 5-25
5-8
Serial Interface Program Control Properties ............................................................................................... 5-28
5-9
Visual Basic Serial Interface Program ........................................................................................................ 5-29
5-10
Quick Basic Serial Interface Program ......................................................................................................... 5-30
5-11
Command Summary .................................................................................................................................. 5-33
7-1
Instrument Hardware Errors ......................................................................................................................... 7-4
7-2
Operational Errors ........................................................................................................................................ 7-4
B-1
Conversion from CGS to SI Units ................................................................................................................. B-1
B-2
Recommended SI Values for Physical Constants ........................................................................................ B-2
C-1
Comparison of Liquid Helium and Liquid Nitrogen ...................................................................................... C-1
Summary of Contents for 625
Page 2: ...Lake Shore Model 625 Superconducting MPS User s Manual A ...
Page 5: ...Lake Shore Model 625 Superconducting MPS User s Manual D ...
Page 6: ...Lake Shore Model 625 Superconducting MPS User s Manual C ...
Page 8: ...Lake Shore Model 625 Superconducting MPS User s Manual E ...
Page 100: ...Lake Shore Model 625 Superconducting MPS User s Manual 6 2 Options and Accessories ...
Page 102: ......
