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Lake Shore Model 642 Electromagnet Power Supply User’s Manual
Computer Interface Operation 5-29
Table 5-9. Command Summary
Command Function Page Command Function ......................................................Page
*CLS Clear Interface Cmd ..................................29 INTWR? Internal Water Mode Query ........................33
*ESE Event Status Enable Cmd..........................29 KEYST? Keypad Status Query ..................................33
*ESE? Event Status Enable Query........................30 LIMIT Limit Output Settings Cmd.........................34
*ESR? Event Status Register Query .....................30 LIMIT? Limit Output Settings Query.......................33
*IDN? Identification Query .................................. 30 LOCK Keypad Lock Cmd ......................................34
*OPC Operation Complete Cmd .........................30 LOCK? Keypad Lock Query....................................34
*OPC? Operation Complete Query .......................30 MAGWTR Magnet Water Mode Command..................34
*RST Reset Instrument Cmd...............................30 MAGWTR? Magnet Water Mode Query ........................34
*SRE Service Request Enable Cmd ....................31 MODE IEEE Interface Mode Cmd..........................34
*SRE? Service Request Enable Query..................31 MODE? IEEE Interface Mode Query .......................34
*STB? Status Byte Query .....................................31 OPST? Operational Status Query............................35
*TST? Self-Test Query.........................................31 OPSTE Operational Status Enable Cmd ..................35
*WAI Wait-To-Continue Cmd ............................31 OPSTE? Operational Status Enable Query................35
BAUD RS-232C Baud Rate Cmd .........................31 OPSTR? Operational Status Register Query..............35
BAUD? RS-232C Baud Rate Query .......................31 RATE Current Ramp Rate Setting Cmd ................35
DFLT Factory Defaults Cmd ...............................32 RATE? Current Ramp Rate Setting Query ..............35
DISP Display Parameter Cmd ............................32 RDGI? Current Output Reading Query ...................35
DISP? Display Parameter Query ..........................32 RDGV? Output Voltage Reading Query...................36
ERCL Error Clear Cmd........................................32 RSEG Ramp Segments Enable Cmd......................36
ERST? Error Status Query .................................... 32 RSEG? Ramp Segments Enable Query ...................36
ERSTE Error Status Enable Cmd...........................32 RSEGS Ramp Segments Parameters Cmd ...............36
ERSTE? Error Status Enable Query ........................32 RSEGS? Ramp Segments Parameters Query.............36
ERSTR? Error Status Register Query ......................33 SETI Output Current Setting Cmd .......................36
IEEE IEEE-488 Interface Parameter Cmd..........33 SETI? Output Current Setting Query .....................36
IEEE? IEEE-488 Interface Parameter Query........33 STOP Stop Output Current Ramp Cmd.................37
INTWR Internal Water Mode Command ..............33 XPGM External Program Mode Cmd .....................37
XPGM? External Program Mode Query ...................37
5.3.1 Interface Commands (Alphabetical Listing)
*CLS Clear Interface Command
Input: *CLS[term]
Remarks: Clears the bits in the Status Byte Register and Standard Event Status Register and terminates all
pending operations. Clears the interface, but not the instrument. The related instrument command
is *RST.
*ESE Standard Event Status Enable Register Command
Input: *ESE <bit weighting>[term]
Format: nnn
Remarks: The Standard Event Status Enable Register determines which bits in the Standard Event Status
Register will set the summary bit in the Status Byte. This command programs the enable register using
a decimal value that corresponds to the binary-weighted sum of all bits in the register. Refer to
Paragraph 5.1.4.2.1.
- Model 642 1
- TABLE OF CONTENTS 5
- LIST OF ILLUSTRATIONS 9
- LIST OF TABLES 10
- CHAPTER 1 11
- INTRODUCTION 11
- 1-2 Introduction 12
- Introduction 1-3 13
- Description (Continued) 13
- 1.2 SPECIFICATIONS 13
- 1-4 Introduction 14
- Specifications (Continued) 14
- Introduction 1-5 15
- 1-6 Introduction 16
- Introduction 1-7 17
- 1.3 SAFETY SUMMARY 17
- 1-8 Introduction 18
- Safety Summary (Continued) 18
- Introduction 1-9 19
- 1.4 SAFETY SYMBOLS 19
- 1-10 Introduction 20
- CHAPTER 2 21
- MAGNET SYSTEM DESIGN 21
- INSTALLATION, AND OPERATION 21
- Magnet System Design 2-3 23
- 2-6 Magnet System Design 26
- Magnet System Design 2-7 27
- 2-8 Magnet System Design 28
- CHAPTER 3 29
- INSTALLATION 29
- 3-2 Installation 30
- 3.2 REAR PANEL DEFINITION 30
- TERMINAL SCREW 32
- WIRE FERRULE 32
- VOLTAGE SELECTOR CARD 32
- VOLTAGE INDICATOR KEY 32
- 3-6 Installation 34
- 3.3.6 Wiring Cover 34
- NO SWITCHES EMERGENCY STOP 35
- REMOTE ENABLE 35
- ALARM CONTACTS 35
- TO REMOTE ALARM CIRCUIT 35
- VALVE AND SWITCH 36
- SOLENOID VALVE 37
- WITH MOUNTING BRACKET 37
- ADJUSTABLE HOSE CLAMP 37
- REINFORCED HOSE 37
- 230 mm (9 in) LONG 37
- LUG COVER 38
- 3-12 Installation 40
- 3.12 DETACHABLE HANDLES 40
- 3.13 RACK MOUNTING 40
- CHAPTER 4 41
- OPERATION 41
- +70.0000 A +35.000 V 42
- Operation 4-3 43
- 4.4 KEYPAD DEFINITION 43
- 4-4 Operation 44
- 4.5 DISPLAY SETUP 44
- 4.6 SETTING OUTPUT CURRENT 44
- Operation 4-5 45
- 4.7 CURRENT RAMP RATE 45
- 4.8 RAMP SEGMENTS 45
- 4-6 Operation 46
- Ramp Segments (Continued) 46
- 4.9 PAUSE RAMP 46
- 4.10 ZERO OUTPUT 46
- Operation 4-7 47
- 4.11 MAXIMUM SETTING LIMITS 47
- 4-8 Operation 48
- 4.12 MAGNET WATER 48
- 4.13 INTERNAL WATER 48
- 4.14 ERROR STATUS DISPLAY 48
- Operation 4-9 49
- 4.16 LOCKING THE KEYPAD 49
- 4-10 Operation 50
- 4.17 COMPUTER INTERFACE 50
- CHAPTER 5 53
- COMPUTER INTERFACE OPERATION 53
- 5.1.2 Remote/Local Operation 54
- Message Strings (Continued) 56
- 5.1.4 Status System 56
- 5.1.4.1 Overview 56
- Register Method Example 59
- *ESE, *ESE? 60
- ERSTE, ERSTE? 62
- *SRE, *SRE? 64
- IBCONF.EXE.eps 71
- 5.1.5.3 Program Operation 72
- 5.1.6 Troubleshooting 72
- 5.2.1 Changing Baud Rate 73
- 5.2.2 Physical Connection 73
- 5.2.6 Message Flow Control 75
- 5.2.7.2 Program Operation 79
- 5.2.8 Troubleshooting 79
- 5.3 COMMAND SUMMARY 80
- CHAPTER 6 91
- OPTIONS AND ACCESSORIES 91
- 6-2 Options and Accessories 92
- CHAPTER 7 93
- SERVICE 93
- 7-2 Service 94
- 7.3 LINE VOLTAGE SELECTION 94
- 7-4 Service 96
- Figure 7-3. Circuit Breaker 96
- Service 7-5 97
- 7.6 ERROR MESSAGES 97
- 7-6 Service 98
- Table 7-3. Operational Errors 98
- 7.7 ELECTROSTATIC DISCHARGE 98
- 7-8 Service 100
- DIGITAL BOARD 101
- LOCATOR PINS 102
- MOUNTING SCREWS 102
- 7-12 Service 104
- 7.10.3 Auxiliary Connector 104
- Pin Name 104
- 7-14 Service 106
- Service 7-15 107
- Pin Symbol Description 107
- 7-16 Service 108
- 7.11 CALIBRATION 108
- 7.11.1 Calibration Interface 108
- 7-18 Service 110
- Service 7-19 111
- 7-20 Service 112
- Service 7-21 113
- 7-22 Service 114
- APPENDIX A 115
- GLOSSARY OF TERMINOLOGY 115
- – 1855) a German 117
- Factor Prefix Symbol 119
- APPENDIX B 121
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