Lakeshore Learning Materials 622 Manuel d'utilisateur Page 1

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

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

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

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

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

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

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

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

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

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

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:

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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)

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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