Lakeshore Learning Materials 642 - Manual (Page 7)

Lake Shore Model 642 Electromagnet Power Supply User’s Manual
Table of Contents vii
TABLE OF CONTENTS (Continued)
Chapter/Section Title Page
5.1.4.2 Status Register Sets ...................................................................................................................... 5-8
5.1.4.2.1 Standard Event Status Register ................................................................................................. 5-8
5.1.4.2.2 Operation Event Register Set..................................................................................................... 5-9
5.1.4.3 Error Status Register Sets ........................................................................................................... 5-10
5.1.4.3.1 Hardware Error Status Register Set ......................................................................................... 5-10
5.1.4.3.2 Operational Error Status Register Set ...................................................................................... 5-11
5.1.4.4 Status Byte and Service Request (SRQ) ..................................................................................... 5-12
5.1.4.4.1 Status Byte Register................................................................................................................. 5-12
5.1.4.4.2 Service Request Enable Register............................................................................................. 5-13
5.1.4.4.3 Using Service Request (SRQ) and Serial Poll.......................................................................... 5-13
5.1.4.4.4 Using Status Byte Query (*STB) .............................................................................................. 5-13
5.1.4.4.5 Using Message Available (MAV) Bit)........................................................................................ 5-13
5.1.4.4.6 Using Operation Complete (*OPC) and Operation Complete Query (*OPC?).......................... 5-14
5.1.5 IEEE-488 Interface Example Programs ........................................................................................... 5-14
5.1.5.1 IEEE-488 Interface Board Installation for Visual Basic Program.................................................. 5-14
5.1.5.2 Visual Basic IEEE-488 Interface Program Setup ......................................................................... 5-16
5.1.5.3 Program Operation ...................................................................................................................... 5-20
5.1.6 Troubleshooting............................................................................................................................... 5-20
5.2 SERIAL
INTERFACE OVERVIEW...................................................................................................... 5-21
5.2.1 Changing Baud Rate ....................................................................................................................... 5-21
5.2.2 Physical Connection ........................................................................................................................ 5-21
5.2.3 Hardware Support ........................................................................................................................... 5-22
5.2.4 Character Format ............................................................................................................................ 5-22
5.2.5 Message Strings.............................................................................................................................. 5-22
5.2.6 Message
Flow Control..................................................................................................................... 5-23
5.2.7 Serial Interface Example Programs ................................................................................................. 5-23
5.2.7.1 Visual Basic Serial Interface Program Setup ............................................................................... 5-24
5.2.7.2 Program Operation ...................................................................................................................... 5-27
5.2.8 Troubleshooting............................................................................................................................... 5-27
5.3 COMMAND
SUMMARY ...................................................................................................................... 5-28
5.3.1 Interface Commands (Alphabetical Listing) ..................................................................................... 5-29
6 OPTIONS AND ACCESSORIES ............................................................................................................................ 6-1
6.0 GENERAL ............................................................................................................................................. 6-1
6.1 ACCESSORIES INCLUDED ................................................................................................................. 6-1
6.2 ACCESSORIES AVAILABLE ................................................................................................................ 6-1
7 SERVICE ................................................................................................................................................................ 7-1
7.0 GENERAL ............................................................................................................................................. 7-1
7.1
CONTACTING LAKE SHORE CRYOTRONICS ................................................................................... 7-1
7.2 RETURNING PRODUCTS TO LAKE SHORE ...................................................................................... 7-1
7.3 LINE VOLTAGE SELECTION ............................................................................................................... 7-2
7.4 CIRCUIT BREAKER SETTING ............................................................................................................. 7-3
7.5 POWER LINE FUSE REPLACEMENT ................................................................................................. 7-4
7.6 ERROR MESSAGES ............................................................................................................................ 7-5
7.7 ELECTROSTATIC DISCHARGE .......................................................................................................... 7-6
7.7.1 Identification of Electrostatic Discharge Sensitive Components ........................................................ 7-6
7.7.2
Handling Electrostatic Discharge Sensitive Components .................................................................. 7-7
7.8 ENCLOSURE BOTTOM REMOVAL AND REPLACEMENT................................................................. 7-7
7.8.1 Removal ............................................................................................................................................ 7-7
7.8.2 Installation ......................................................................................................................................... 7-7