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Rev. 1.2 P/N 119-001 9 April 1999
Power
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Magnet Power Supply
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Model 620 – ±50 A, ±5 V Model 623 – ±155 A, ±30 V
Model 622 – ±125 A, ±30 V Model 647 – ±72 A, ±32 V
Lake Shore Cryotronics, Inc.
575 McCorkle Blvd.
Westerville, Ohio 43082-8888 USA
E-Mail Addresses:
sales@lakeshore.com
service@lakeshore.com
Visit Our Website:
www.lakeshore.com
Fax: (614) 891-1392
Telephone: (614) 891-2243
Methods and apparatus disclosed and described herein have been developed solely on company funds of Lake Shore Cryotronics, Inc.
No government or other contractual support or relationship whatsoever has existed which in any way affects or mitigates proprietary
rights of Lake Shore Cryotronics, Inc. in these developments. Methods and apparatus disclosed herein may be subject to U.S. Patents
existing or applied for. Lake Shore Cryotronics, Inc. reserves the right to add, improve, modify, or withdraw functions, design
modifications, or products at any time without notice. Lake Shore shall not be liable for errors contained herein or for incidental or
consequential damages in connection with furnishing, performance, or use of this material.
User’s Manual
Model 620/622/623/647
Model 620/622/623/647Model 620/622/623/647
Model 620/622/623/647
Magnet Power Supply
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Shrnutí obsahu

Strany 1 - Magnet Power Supply

Rev. 1.2 P/N 119-001 9 April 1999 PowerFaul tPersistentSwitch HeaterMagnet Power Supply7LocalEsc987LocalEsc984Remote651320Enter+/-.Fun

Strany 2

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Forward viii SAFETY SYMBOLS Direct current (power line). Alternating current

Strany 3 - TABLE OF CONTENTS

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Introduction 1-1CHAPTER 1 INTRODUCTION 1.0 GENERAL This chapter covers Features

Strany 4

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Introduction 1-2 1.2 SPECIFICATIONS Below are performance specifications for cur

Strany 5 - Table of Contents iii

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Introduction 1-3Front Panel: Contains a menu driven keyboard and graphic display

Strany 6 - LIST OF TABLES

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Introduction 1-4 Table 1-4. Model 647 DC Output Specifications SPECIFICATION CUR

Strany 7 - FOREWORD

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Introduction 1-5Conventional MPS: Consists of a unipolar power supply with an ene

Strany 8

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Introduction 1-61.3.3 Highly Efficient, Air Cooled, Compact Unit Lake Shore MPS

Strany 9

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Setup & Connections 2-1CHAPTER 2 INITIAL SETUP AND CONNECTIONS 2.1 INSPECT

Strany 10 - Forward

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Setup & Connections 2-22.4.1 Power and Ground Requirements The AC power sou

Strany 11 - INTRODUCTION

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Setup & Connections 2-3Use this procedure to connect input power to the MPS:

Strany 12

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual A LIMITED WARRANTY Lake Shore Cryotronics, Inc. (henceforth Lake Shore), the ma

Strany 13

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Setup & Connections 2-42.5.2 Shielding, Grounding, and Noise For noise redu

Strany 14

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Setup & Connections 2-52.5.6 MPS Analog Current And Voltage Monitoring Conne

Strany 15 - Introduction

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Setup & Connections 2-6NOTE: The MPS includes a protection circuit which red

Strany 16

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Setup & Connections 2-7c. Locate Communications Microprocessor (CMP) in the

Strany 17 - CHAPTER 2

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Setup & Connections 2-81 2 3 4 5 6 7 8 9 101112131415161718+ - + - + - OVP I

Strany 18 - Setup & Connections

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Setup & Connections 2-92.7 POST-INSTALLATION INSTRUCTIONS The MPS is electric

Strany 19

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Setup & Connections 2-10 This Page Intentionally

Strany 20 - +- + - + - OVPImVm

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Operation 3-1CHAPTER 3 OPERATION 3.0 GENERAL This chapter covers seven areas: M

Strany 21 - 7 8 9 101112131415161718

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Operation 3-23.2 POWER UP Read and follow instructions in Paragraphs 2.1 - 2.4.3

Strany 22

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Operation 3-3The magnet manufacturer supplies the inductance of the magnet, maxim

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Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Table of Contents i TABLE OF CONTENTS Chapter/Paragraph Title Page List of I

Strany 24 - MPS #2 Rear View

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Operation 3-4MGT END: 0 to ±50.000 A (620), 0 to ±125.000 A (622), 0 to ±155.000

Strany 25

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Operation 3-53.6 FUNCTION MENUS The MPS uses a system of three Function Menus for

Strany 26

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Operation 3-63.6.1.3 Step Limit/Zero Screen Press the Function Menu key to disp

Strany 27 - OPERATION

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Operation 3-7IMAX SET: 0.00 A to +50.00 A (620), +125.00 A (622), +155.00 A (623)

Strany 28 - + 0.1999A

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Operation 3-83.6.2.1 Outputs Only Screen Press the OUTPUT ONLY Function key to

Strany 29

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Operation 3-93.6.3.2 DELAY SETUP SCREEN WITH DITHERING To access the dithering f

Strany 30 - Operation

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Operation 3-102. Enter these parameters in the Automatic Mode Screen: MAG START

Strany 31 - INSTR. SETUP

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Operation 3-113.9 DITHERING IN AUTOMATIC MODE Dithering is a means of arriving a

Strany 32 - ¥ icon toggle with the Data

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Operation 3-12 This Page Intentionally Left Blank.

Strany 33 - PSH SETUP

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Remote Operation 4-1CHAPTER 4 REMOTE OPERATION 4.0. GENERAL Either of two comput

Strany 34 - 63.475kG

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual ii Table of Contents TABLE OF CONTENTS (Continued) Chapter/Paragraph Title P

Strany 35

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Remote Operation 4-24.1.2 IEEE-488 Command Structure The Model 622/623 supports

Strany 36

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Remote Operation 4-34.1.3.1 Status Byte and Service Request Enable Registers The

Strany 37 - +100.500A

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Remote Operation 4-4The Standard Event Status Enable Register enables any of the

Strany 38

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Remote Operation 4-54.1.5 Notes On Using the IEEE Interface • The term "fr

Strany 39 - REMOTE OPERATION

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Remote Operation 4-6 National Instruments GPIB0 Configuration GPIB-PC2/2A Ver

Strany 40 - Remote Operation

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Remote Operation 4-74.2 SERIAL I/O INTERFACE RS-232C is a standard of the Electr

Strany 41

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Remote Operation 4-84.2.1 Serial Interface Hardware Configuration Below is a te

Strany 42

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Remote Operation 4-94.2.4 Notes On Using The Serial Interface • To chain comman

Strany 43

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Remote Operation 4-104.3 SUMMARY OF IEEE-488/SERIAL INTERFACE COMMANDS Below is

Strany 44

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Remote Operation 4-114.3.1 Operational Commands Description Below is a list of M

Strany 45 - C-MPS-4-2.eps

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Table of Contents iii TABLE OF CONTENTS (Continued) Chapter/Paragraph Title

Strany 46

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Remote Operation 4-12 OVP? Overvoltage (Quench) Protection Circuit Status Query

Strany 47 - is required

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Remote Operation 4-134.3.2 Interface Commands Description The MPS Interface Comm

Strany 48

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Remote Operation 4-144.3.3 Ramping Commands Description The following MPS Rampi

Strany 49

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Remote Operation 4-154.3.4 Current Zero Commands Description The following MPS c

Strany 50

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Remote Operation 4-164.3.5 Current Step Limit Commands Description The followin

Strany 51

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Remote Operation 4-174.3.6 Computed Field Commands Description The MPS can also

Strany 52

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Remote Operation 4-184.3.7 Common Commands Description The MPS Common Commands

Strany 53

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Remote Operation 4-19 *IDN? Identification Query Input: *IDN? Returned: Manufac

Strany 54

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Remote Operation 4-20 *SRE Enables Status Reports In The Service Request Enable

Strany 55

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Error Messages & Troubleshooting 5-1CHAPTER 5 ERROR MESSAGES AND TROUBLESHOO

Strany 56

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual iv Table of Contents LIST OF ILLUSTRATIONS Figure No. Title Page 1-1 Four-Q

Strany 57 - *IDN? Identification Query

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Error Messages & Troubleshooting 5-2No delay is allowed (CAL AND ID switch 7

Strany 58 - *TST? Self Test Query

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Error Messages & Troubleshooting 5-3High AC (HI AC) Detected Any time the AC

Strany 59 - CHAPTER 5

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Error Messages & Troubleshooting 5-45.2 Factory Default Settings Below is a

Strany 60

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Error Messages & Troubleshooting 5-55.3 CALIBRATION NOTE: Calibration is only

Strany 61

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual 5-6 Error Messages & Troubleshooting 17. Send IZER to force output current to

Strany 62

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Error Messages & Troubleshooting 5-7Output Voltage Verification 5. From the

Strany 63

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual 5-8 Error Messages & Troubleshooting 5.5 REAR PANEL CONNECTOR DETAIL Figure

Strany 64

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Error Messages & Troubleshooting 5-9 5.6 IEEE-488 INTERFACE CONNECTOR (WHEN

Strany 65

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual 5-10 Error Messages & Troubleshooting 5.7 SERIAL INTERFACE CABLE AND ADAPTE

Strany 66 - MPS Rear Panel Connectors

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Options & Accessories 6-1CHAPTER 6 OPTIONS AND ACCESSORIES 6.0 GENERAL This

Strany 67 - 121110987654321

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Forward vFOREWORD PURPOSE AND SCOPE This manual contains user instructions fo

Strany 68 - C-MPS-5-4.eps

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Options & Accessories 6-2Below are specifications for the Model 6226/6476 L

Strany 69 - OPTIONS AND ACCESSORIES

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Options & Accessories 6-3Locate the probe in a cavity that is 0.003 inch wide

Strany 70 - ± 20 kG (@ 20 mV/kG)

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Options & Accessories 6-46.2.5 LHe Level Access liquid helium level and fie

Strany 71 - Connections

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Options & Accessories 6-56.2.5.2 Field Probe Setting and Calibration Press F

Strany 72

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Options & Accessories 6-6Look up the RREF/R(T) in Table 6-2 at the temperat

Strany 73

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Options & Accessories 6-7 IBS? Magnetic Field Summary Query Input: IBS? Ret

Strany 74

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Options & Accessories 6-8 LUNI? LHe Level Units Query Input: LUNI? Returne

Strany 75

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Options & Accessories 6-96.3 MODEL 6228 AND 6228-8MUX PERSISTENT SWITCH HEAT

Strany 76

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Options & Accessories 6-10When PSH is ON, the MPS compares the present curr

Strany 77

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Options & Accessories 6-113. The selected current multiplied by the heater r

Strany 78 - Options & Accessories

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Forward viIdentification of Electrostatic Discharge Sensitive Components Below a

Strany 79

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Options & Accessories 6-12 PSHS? PSH Summary Query Input: PSHS? Returned:

Strany 80 - PSHS? PSH Summary Query

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Options & Accessories 6-136.4.1 Model 6228-2 Remote Operation Commands IPSH

Strany 81

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Options & Accessories 6-146.5 ACCESSORIES Accessories are devices that perf

Strany 82 - MPS accessories

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Magnetic Units A-1APPENDIX A UNITS FOR MAGNETIC PROPERTIES Conversion from CGS

Strany 83 - APPENDIX A

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Magnetic Units A-2 This Page Intentionally Left Blank

Strany 84 - Magnetic Units

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Mainframe Control Bus Operation B-1APPENDIX B MAINFRAME CONTROL BUS OPERATION B1

Strany 85 - APPENDIX B

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Mainframe Control Bus Operation B-2B4.0 CONTROL BUS SERIAL INTERFACE CONFIGURA

Strany 86

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Mainframe Control Bus Operation B-3B6.0 CONTROL BUS SERIAL INTERFACE OPERATION T

Strany 87

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Mainframe Control Bus Operation B-4B7.0 CONTROL BUS SERIAL INTERFACE SAMPLE PR

Strany 88

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Mainframe Control Bus Operation B-5Table B-1 MPS Mainframe Control Bus Remote Com

Strany 89

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Forward viiBEFORE YOU OPERATE THE EQUIPMENT Train personnel in proper emergen

Strany 90

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual Mainframe Control Bus Operation B-6Table B-2 Additional MPS Mainframe Control B

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