Lake Shore 625, Руководство пользователя

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Lake Shore Model 625 Superconducting MPS User’s Manual
Table of Contents iii
TABLE OF CONTENTS (Continued)
Chapter/Paragraph Title Page
5.1.5 IEEE Interface Example Programs .................................................................................................. 5-15
5.1.5.1 IEEE-488 Interface Board Installation for Visual Basic Program .............................................. 5-15
5.1.5.2 Visual Basic IEEE-488 Interface Program Setup ...................................................................... 5-17
5.1.5.3 IEEE-488 Interface Board Installation for Quick Basic Program ............................................... 5-20
5.1.5.4 Quick Basic Program ................................................................................................................ 5-20
5.1.5.5 Program Operation ................................................................................................................... 5-23
5.1.6 Troubleshooting ............................................................................................................................... 5-23
5.2 SERIAL INTERFACE OVERVIEW ......................................................................................................... 5-24
5.2.1 Changing Baud Rate ....................................................................................................................... 5-24
5.2.2 Physical Connection ........................................................................................................................ 5-24
5.2.3 Hardware Support ........................................................................................................................... 5-25
5.2.4 Character Format ............................................................................................................................ 5-25
5.2.5 Message Strings .............................................................................................................................. 5-25
5.2.6 Message Flow Control ..................................................................................................................... 5-26
5.2.7 Serial Interface Example Programs ................................................................................................. 5-26
5.2.7.1 Visual Basic Serial Interface Program Setup ............................................................................ 5-27
5.2.7.2 Quick Basic Serial Interface Program Setup ............................................................................ 5-30
5.2.7.3 Program Operation ................................................................................................................... 5-31
5.2.8 Troubleshooting ............................................................................................................................... 5-31
5.3 COMMAND SUMMARY ......................................................................................................................... 5-32
5.3.1 Interface Commands (Alphabetical Listing) ..................................................................................... 5-34
6 OPTIONS AND ACCESSORIES ............................................................................................................................ 6-1
6.0 GENERAL ................................................................................................................................................ 6-1
6.1 MODELS .................................................................................................................................................. 6-1
6.2 ACCESSORIES ........................................................................................................................................ 6-1
7 SERVICE ................................................................................................................................................................ 7-1
7.1 CONTACTING LAKE SHORE CRYOTRONICS ....................................................................................... 7-1
7.2 RETURNING PRODUCTS TO LAKE SHORE ......................................................................................... 7-1
7.3 FUSE DRAWER ....................................................................................................................................... 7-2
7.4 LINE VOLTAGE SELECTION .................................................................................................................. 7-2
7.5 FUSE REPLACEMENT ............................................................................................................................ 7-3
7.6 ERROR MESSAGES ................................................................................................................................ 7-3
7.7 OUTPUT SOURCE IMPEDANCE ............................................................................................................ 7-5
7.8 ELECTROSTATIC DISCHARGE .............................................................................................................. 7-5
7.8.1 Identification of Electrostatic Discharge Sensitive Components ........................................................ 7-5
7.8.2 Handling Electrostatic Discharge Sensitive Components .................................................................. 7-6
7.9 ENCLOSURE BOTTOM REMOVAL AND REPLACEMENT .................................................................... 7-6
7.10 FIRMWARE REPLACEMENT .................................................................................................................. 7-7
7.11 PSH OUTPUT COMPLIANCE VOLTAGE CONFIGURATION ................................................................. 7-7
7.12 CONNECTOR AND CABLE DEFINITIONS .............................................................................................. 7-9
7.12.1 Serial Interface Cable Wiring ........................................................................................................... 7-11
7.12.2 IEEE-488 Interface Connector ......................................................................................................... 7-12
7.13 CALIBRATION ........................................................................................................................................ 7-13
APPENDIX A
– GLOSSARY OF TERMINOLOGY ........................................................................................................ A-1
APPENDIX B
– UNITS FOR MAGNETIC PROPERTIES .............................................................................................. B-1
APPENDIX C
– HANDLING LIQUID HELIUM AND NITROGEN .................................................................................. C-1
C1.0 GENERAL ................................................................................................................................................ C-1
C2.0 PROPERTIES........................................................................................................................................... C-1
C3.0 HANDLING CRYOGENIC STORAGE DEWARS ..................................................................................... C-1
C4.0 LIQUID HELIUM AND NITROGEN SAFETY PRECAUTIONS ................................................................. C-2
C5.0 RECOMMENDED FIRST AID .................................................................................................................. C-2