Lakeshore Learning Materials 642 Uživatelský manuál Strana 1

Revision 1.3 P/N 119-042 9 January 2008 Lake Shore Cryotronics, Inc. 575 McCorkle Blvd. Westerville, Ohio

Lake Shore Model 642 Electromagnet Power Supply User’s Manual x Table of Contents LIST OF TABLES Table No. Title Page 3-1 Rear Panel Connecto

Lake Shore Model 642 Electromagnet Power Supply User’s Manual 7-8 Service Firmware Replacement (Continued) 4. Disconnect the ribbon cable to the

Lake Shore Model 642 Electromagnet Power Supply User’s Manual Service 7-9 DIGITAL BOARD Figure 7-5. Board Locations (top view)

Lake Shore Model 642 Electromagnet Power Supply User’s Manual 7-10 Service VR1R74C67CR18L1AUXILIARYC131K3CR10R73K2VR3K5C132J10J9MAGNETF9C130R71V

Lake Shore Model 642 Electromagnet Power Supply User’s Manual Service 7-11 7.10 CONNECTOR AND CABLE DEFINITIONS All non-power electrical connectio

Lake Shore Model 642 Electromagnet Power Supply User’s Manual 7-12 Service 7.10.3 Auxiliary Connector The Auxiliary Connector provides connection

Lake Shore Model 642 Electromagnet Power Supply User’s Manual Service 7-13 7.10.4 Power Supply Connector The Power Supply connector provides the

Lake Shore Model 642 Electromagnet Power Supply User’s Manual 7-14 Service 7.10.6 Serial Interface Cable Wiring The following are suggested cabl

Lake Shore Model 642 Electromagnet Power Supply User’s Manual Service 7-15 1212413 Pin Symbol Description 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 1

Lake Shore Model 642 Electromagnet Power Supply User’s Manual 7-16 Service 7.11 CALIBRATION Lake Shore maintains a fully automated calibration fi

Lake Shore Model 642 Electromagnet Power Supply User’s Manual Service 7-17 7.11.2 Calibration Equipment 1. Calibration Shunt Resistor – The outpu

Lake Shore Model 642 Electromagnet Power Supply User’s Manual Introduction 1-1 CHAPTER 1 INTRODUCTION 1.0 GENERAL This chapter provides an intro

Lake Shore Model 642 Electromagnet Power Supply User’s Manual 7-18 Service 7.13.3.3 Calibrate Output Voltage Reading Zero This step assumes that

Lake Shore Model 642 Electromagnet Power Supply User’s Manual Service 7-19 Calibrate Output Current Gain (Continued) 12. Measure the actual volta

Lake Shore Model 642 Electromagnet Power Supply User’s Manual 7-20 Service 7.13.3.6 Calibrate Current Reading Gain 1. Send “CALG 0, 1”. To set

Lake Shore Model 642 Electromagnet Power Supply User’s Manual Service 7-21 7.11.3.8 Calibrate External Current Programming Voltage Reading Gain T

Lake Shore Model 642 Electromagnet Power Supply User’s Manual 7-22 Service CALG? Gain Calibration Constant Query Input: CALG? <type>[te

Lake Shore Model 642 Electromagnet Power Supply User’s Manual Glossary of Terminology A-1 APPENDIX A GLOSSARY OF TERMINOLOGY accuracy. The degre

Lake Shore Model 642 Electromagnet Power Supply User’s Manual A-2 Glossary of Terminology boiling point. The temperature at which a substance in

Lake Shore Model 642 Electromagnet Power Supply User’s Manual Glossary of Terminology A-3 four-lead. measurement technique where one pair of excit

Lake Shore Model 642 Electromagnet Power Supply User’s Manual A-4 Glossary of Terminology Kelvin Scale. The Kelvin Thermodynamic Temperature Scal

Lake Shore Model 642 Electromagnet Power Supply User’s Manual Glossary of Terminology A-5 permeability. Material parameter which is the ratio of t

Lake Shore Model 642 Electromagnet Power Supply User’s Manual 1-2 Introduction Output Architecture (Continued) The Model 642 output architecture

Lake Shore Model 642 Electromagnet Power Supply User’s Manual A-6 Glossary of Terminology Seebeck effect. The development of a voltage due to dif

Lake Shore Model 642 Electromagnet Power Supply User’s Manual Units for Magnetic Properties B-1 APPENDIX B UNITS FOR MAGNETIC PROPERTIES Table B

Lake Shore Model 642 Electromagnet Power Supply User’s Manual B-2 Units for Magnetic Properties Table B-2. Recommended SI Values for Physical C

Lake Shore Model 642 Electromagnet Power Supply User’s Manual Introduction 1-3 Description (Continued) Interfaces The Model 642 includes IEEE-488

Lake Shore Model 642 Electromagnet Power Supply User’s Manual 1-4 Introduction Specifications (Continued) Output programming Internal current set

Lake Shore Model 642 Electromagnet Power Supply User’s Manual Introduction 1-5 Specifications (Continued) Interface IEEE-488.2 interface Features

Lake Shore Model 642 Electromagnet Power Supply User’s Manual 1-6 Introduction Specifications (Continued) General Line power Power 5500 VA max Vo

Lake Shore Model 642 Electromagnet Power Supply User’s Manual Introduction 1-7 Accessories included MAN-642 Model 642 user manual 6031 Two front

Lake Shore Model 642 Electromagnet Power Supply User’s Manual 1-8 Introduction Safety Summary (Continued) Do Not Substitute Parts Or Modify Instr

Lake Shore Model 642 Electromagnet Power Supply User’s Manual Introduction 1-9 Safety Summary (Continued) 1.4 SAFETY SYMBOLS NumberSymbol12345678

Lake Shore Model 642 Electromagnet Power Supply User’s Manual ii LIMITED WARRANTY STATEMENT WARRANTY PERIOD: ONE (1) YEAR 1. Lake Shore warran

Lake Shore Model 642 Electromagnet Power Supply User’s Manual 1-10 Introduction This Page Intentionally Left Blank

Lake Shore Model 642 Electromagnet Power Supply User’s Manual Magnet System Design 2-1 CHAPTER 2 MAGNET SYSTEM DESIGN, INSTALLATION, AND OPERATIO

Lake Shore Model 642 Electromagnet Power Supply User’s Manual 2-2 Magnet System Design 2.2 MAGNET CONSTRUCTION The magnet consists of two water-c

Lake Shore Model 642 Electromagnet Power Supply User’s Manual Magnet System Design 2-3 POWER LEADPOWER LEADCROSS CONNECTION WIRINGPOWER LEADPOWER

Lake Shore Model 642 Electromagnet Power Supply User’s Manual 2-4 Magnet System Design 2.3.3 Temperature Switches and Flow Switches As discussed

Lake Shore Model 642 Electromagnet Power Supply User’s Manual Magnet System Design 2-5 2.3.6 Final Check-Out When all of the connections have been

Lake Shore Model 642 Electromagnet Power Supply User’s Manual 2-6 Magnet System Design Figure 2-5. Typical Curves of Field vs. Current for Va

Lake Shore Model 642 Electromagnet Power Supply User’s Manual Magnet System Design 2-7 Figure 2-5. Typical Curves of Field vs. Current for Vario

Lake Shore Model 642 Electromagnet Power Supply User’s Manual 2-8 Magnet System Design 2.4.4 Avoiding Cooling Water Condensation If the temperat

Lake Shore Model 642 Electromagnet Power Supply User’s Manual Installation 3-1 CHAPTER 3 INSTALLATION 3.0 GENERAL This chapter provides general

Lake Shore Model 642 Electromagnet Power Supply User’s Manual iii

Lake Shore Model 642 Electromagnet Power Supply User’s Manual 3-2 Installation 3.2 REAR PANEL DEFINITION This paragraph defines the rear panel of

Lake Shore Model 642 Electromagnet Power Supply User’s Manual Installation 3-3 12312876101591413151154 Figure 3-1. Model 642 Rear Panel (shown wi

Lake Shore Model 642 Electromagnet Power Supply User’s Manual 3-4 Installation Line Voltage Selection (Continued) Changing line voltage is accomp

Lake Shore Model 642 Electromagnet Power Supply User’s Manual Installation 3-5 3.3.3 Start-up Fuses The start-up transformer and associated circui

Lake Shore Model 642 Electromagnet Power Supply User’s Manual 3-6 Installation POWER CABLESTRIP 13mm (0.5 in)WIRE FERRULE (OPTIONAL)POWER TERMINA

Lake Shore Model 642 Electromagnet Power Supply User’s Manual Installation 3-7 3.3.7 Mains Wiring No cord or disconnecting plug is provided with t

Lake Shore Model 642 Electromagnet Power Supply User’s Manual 3-8 Installation 3.6 POWER SUPPLY CONNECTOR The Power Supply connector provides te

Lake Shore Model 642 Electromagnet Power Supply User’s Manual Installation 3-9 SOLENOID VALVEWITH MOUNTING BRACKETADJUSTABLE HOSE CLAMPREINFORCED

Lake Shore Model 642 Electromagnet Power Supply User’s Manual 3-10 Installation BELLEVILLE WASHERBOLTOUTPUT LUGMAGNET CABLEPLAIN WASHERNUT Figure

Lake Shore Model 642 Electromagnet Power Supply User’s Manual Installation 3-11 3.9 ANALOG INPUT/OUTPUT CONNECTIONS The Analog I/O connector prov

Lake Shore Model 642 Electromagnet Power Supply User’s Manual iv This Page Intentionally Left Blank

Lake Shore Model 642 Electromagnet Power Supply User’s Manual 3-12 Installation 3.12 DETACHABLE HANDLES The Model 642 is supplied with 4 detachab

Lake Shore Model 642 Electromagnet Power Supply User’s Manual Operation 4-1 CHAPTER 4 OPERATION 4.0 GENERAL This chapter provides operating inst

Lake Shore Model 642 Electromagnet Power Supply User’s Manual 4-2 Operation 4.2 DISPLAY DEFINITION The Model 642 has an 8 line by 40 character va

Lake Shore Model 642 Electromagnet Power Supply User’s Manual Operation 4-3 4.4 KEYPAD DEFINITION The Model 642 has 22 keys separated into 3 group

Lake Shore Model 642 Electromagnet Power Supply User’s Manual 4-4 Operation 4.4.1 General Keypad Operation The Model 642 uses three basic keypad

Lake Shore Model 642 Electromagnet Power Supply User’s Manual Operation 4-5 Setting Output Current (Continued) To change the output current settin

Lake Shore Model 642 Electromagnet Power Supply User’s Manual 4-6 Operation Ramp Segments (Continued) To configure the ramp segments press Ramp S

Lake Shore Model 642 Electromagnet Power Supply User’s Manual Operation 4-7 4.11 MAXIMUM SETTING LIMITS The Model 642 offers a maximum setting lim

Lake Shore Model 642 Electromagnet Power Supply User’s Manual 4-8 Operation 4.12 MAGNET WATER The Model 642 provides power to control an external

Lake Shore Model 642 Electromagnet Power Supply User’s Manual Operation 4-9 4.15 EXTERNAL CURRENT PROGRAMMING The output current of the Model 642

Lake Shore Model 642 Electromagnet Power Supply User’s Manual Table of Contents v TABLE OF CONTENTS Chapter/Section Title Page 1 INTRODUCTION ..

Lake Shore Model 642 Electromagnet Power Supply User’s Manual 4-10 Operation Locking the Keypad (Continued) To lock or unlock the instrument keyp

Lake Shore Model 642 Electromagnet Power Supply User’s Manual Operation 4-11 4.17.2 Changing IEEE-488 Interface Parameters Two interface paramete

Lake Shore Model 642 Electromagnet Power Supply User’s Manual 4-12 Operation Table 4-3. Default Parameter Values Output Settings Output Current

Lake Shore Model 642 Electromagnet Power Supply User’s Manual Computer Interface Operation 5-1 CHAPTER 5 COMPUTER INTERFACE OPERATION 5.0 GENERA

Lake Shore Model 642 Electromagnet Power Supply User’s Manual 5-2 Computer Interface Operation 5.1.1 Changing IEEE-488 Interface Parameters Two

Lake Shore Model 642 Electromagnet Power Supply User’s Manual Computer Interface Operation 5-3 5.1.3.1 Bus Control Commands A Universal Command a

Lake Shore Model 642 Electromagnet Power Supply User’s Manual 5-4 Computer Interface Operation Message Strings (Continued) A query string is issu

Lake Shore Model 642 Electromagnet Power Supply User’s Manual Computer Interface Operation 5-5 Service RequestNameBitNotRQS = Service RequestMSS =

Lake Shore Model 642 Electromagnet Power Supply User’s Manual 5-6 Computer Interface Operation NameNameNameUsedNotUsedNot76543210BitUsed UsedERS

Lake Shore Model 642 Electromagnet Power Supply User’s Manual Computer Interface Operation 5-7 5.1.4.1.6 Reading Registers Any register in the sta

Lake Shore Model 642 Electromagnet Power Supply User’s Manual vi Table of Contents TABLE OF CONTENTS (Continued) Chapter/Section Title Page 4 O

Lake Shore Model 642 Electromagnet Power Supply User’s Manual 5-8 Computer Interface Operation 5.1.4.2 Status Register Sets As shown in Figure 5

Lake Shore Model 642 Electromagnet Power Supply User’s Manual Computer Interface Operation 5-9 5.1.4.2.2 Operation Event Register Set The Operati

Lake Shore Model 642 Electromagnet Power Supply User’s Manual 5-10 Computer Interface Operation 5.1.4.3 Error Status Register Sets As shown in F

Lake Shore Model 642 Electromagnet Power Supply User’s Manual Computer Interface Operation 5-11 5.1.4.3.2 Operational Error Status Register Set T

Lake Shore Model 642 Electromagnet Power Supply User’s Manual 5-12 Computer Interface Operation 5.1.4.4 Status Byte and Service Request (SRQ) As

Lake Shore Model 642 Electromagnet Power Supply User’s Manual Computer Interface Operation 5-13 5.1.4.4.2 Service Request Enable Register The Ser

Lake Shore Model 642 Electromagnet Power Supply User’s Manual 5-14 Computer Interface Operation 5.1.4.4.6 Using Operation Complete (*OPC) and Op

Lake Shore Model 642 Electromagnet Power Supply User’s Manual Computer Interface Operation 5-15 Figure 5-7. GPIB0 Setting Configuration Figur

Lake Shore Model 642 Electromagnet Power Supply User’s Manual 5-16 Computer Interface Operation 5.1.5.2 Visual Basic IEEE-488 Interface Program S

Lake Shore Model 642 Electromagnet Power Supply User’s Manual Computer Interface Operation 5-17 Table 5-4. IEEE-488 Interface Program Control Prop

Lake Shore Model 642 Electromagnet Power Supply User’s Manual Table of Contents vii TABLE OF CONTENTS (Continued) Chapter/Section Title Page 5.1

Lake Shore Model 642 Electromagnet Power Supply User’s Manual 5-18 Computer Interface Operation Table 5-5. Visual Basic IEEE-488 Interface Progr

Lake Shore Model 642 Electromagnet Power Supply User’s Manual Computer Interface Operation 5-19 Primary GPIB Address ... Primary GPIB Addres

Lake Shore Model 642 Electromagnet Power Supply User’s Manual 5-20 Computer Interface Operation 5.1.5.3 Program Operation Once the running, try t

Lake Shore Model 642 Electromagnet Power Supply User’s Manual Computer Interface Operation 5-21 5.2 SERIAL INTERFACE OVERVIEW The serial interfac

Lake Shore Model 642 Electromagnet Power Supply User’s Manual 5-22 Computer Interface Operation 5.2.3 Hardware Support The Model 642 interface ha

Lake Shore Model 642 Electromagnet Power Supply User’s Manual Computer Interface Operation 5-23 Message Strings (Continued) A query string is issu

Lake Shore Model 642 Electromagnet Power Supply User’s Manual 5-24 Computer Interface Operation 5.2.7.1 Visual Basic Serial Interface Program Set

Lake Shore Model 642 Electromagnet Power Supply User’s Manual Computer Interface Operation 5-25 Table 5-7 Serial Interface Program Control Proper

Lake Shore Model 642 Electromagnet Power Supply User’s Manual 5-26 Computer Interface Operation Table 5-8. Visual Basic Serial Interface Program

Lake Shore Model 642 Electromagnet Power Supply User’s Manual Computer Interface Operation 5-27 5.2.7.2 Program Operation Once the example program

Lake Shore Model 642 Electromagnet Power Supply User’s Manual viii Table of Contents TABLE OF CONTENTS (Continued) Chapter/Section Title Page 7

Lake Shore Model 642 Electromagnet Power Supply User’s Manual 5-28 Computer Interface Operation 5.3 COMMAND SUMMARY This paragraph provides a lis

Lake Shore Model 642 Electromagnet Power Supply User’s Manual Computer Interface Operation 5-29 Table 5-9. Command Summary Command Function Page C

Lake Shore Model 642 Electromagnet Power Supply User’s Manual 5-30 Computer Interface Operation *ESE? Standard Event Status Enable Register Que

Lake Shore Model 642 Electromagnet Power Supply User’s Manual Computer Interface Operation 5-31 *SRE Service Request Enable Register Command Inp

Lake Shore Model 642 Electromagnet Power Supply User’s Manual 5-32 Computer Interface Operation DFLT Factory Defaults Command Input: DFLT 99[ter

Lake Shore Model 642 Electromagnet Power Supply User’s Manual Computer Interface Operation 5-33 ERSTR? Error Status Register Query Input: ERSTR?

Lake Shore Model 642 Electromagnet Power Supply User’s Manual 5-34 Computer Interface Operation LIMIT Limit Output Settings Command Input: LIM

Lake Shore Model 642 Electromagnet Power Supply User’s Manual Computer Interface Operation 5-35 OPST? Operational Status Query Input: OPST? [ter

Lake Shore Model 642 Electromagnet Power Supply User’s Manual 5-36 Computer Interface Operation RDGV? Output Voltage Reading Query Input: RDGV?

Lake Shore Model 642 Electromagnet Power Supply User’s Manual Computer Interface Operation 5-37 STOP Stop Output Current Ramp Command Input: STO

Lake Shore Model 642 Electromagnet Power Supply User’s Manual Table of Contents ix LIST OF ILLUSTRATIONS Figure No. Title Page 1-1 Model 642 Fr

Lake Shore Model 642 Electromagnet Power Supply User’s Manual 5-38 Computer Interface Operation This Page Intentiona

Lake Shore Model 642 Electromagnet Power Supply User’s Manual Options and Accessories 6-1 CHAPTER 6 OPTIONS AND ACCESSORIES 6.0 GENERAL This cha

Lake Shore Model 642 Electromagnet Power Supply User’s Manual 6-2 Options and Accessories This Page Intentionally Le

Lake Shore Model 642 Electromagnet Power Supply User’s Manual Service 7-1 CHAPTER 7 SERVICE 7.0 GENERAL This chapter provides basic service info

Lake Shore Model 642 Electromagnet Power Supply User’s Manual 7-2 Service 7.3 LINE VOLTAGE SELECTION The Model 642 may be configured for four ba

Lake Shore Model 642 Electromagnet Power Supply User’s Manual Service 7-3 TERMINAL SCREWWIRE FERRULEVOLTAGE SELECTOR CARDVOLTAGE INDICATOR KEY Fi

Lake Shore Model 642 Electromagnet Power Supply User’s Manual 7-4 Service CURRENT SETTING DIALACCESS COVER Figure 7-3. Circuit Breaker 7. If i

Lake Shore Model 642 Electromagnet Power Supply User’s Manual Service 7-5 Figure 7-4. Fuse Holder Detail 7.6 ERROR MESSAGES The following messa

Lake Shore Model 642 Electromagnet Power Supply User’s Manual 7-6 Service Table 7-3. Operational Errors Remote Enable Fault Detected The Remote E

Lake Shore Model 642 Electromagnet Power Supply User’s Manual Service 7-7 7.7.2 Handling Electrostatic Discharge Sensitive Components Observe all