Lakeshore Learning Materials 642 - Manual (Page 8)

Lake Shore Model 642 Electromagnet Power Supply User’s Manual
viii Table of Contents
TABLE OF CONTENTS (Continued)
Chapter/Section Title Page
7.9 FIRMWARE REPLACEMENT ............................................................................................................... 7-7
7.10 CONNECTOR AND CABLE DEFINITIONS ........................................................................................ 7-11
7.10.1 Analog I/O Connector ...................................................................................................................... 7-11
7.10.2 Magnet Connector ........................................................................................................................... 7-11
7.10.3 Auxiliary Connector.......................................................................................................................... 7-12
7.10.4 Power
Supply Connector ................................................................................................................. 7-13
7.10.5 RS-232C Serial Interface Connector ............................................................................................... 7-13
7.10.6 Serial Interface Cable Wiring ........................................................................................................... 7-14
7.10.7 IEEE-488 Parallel Interface Connector ............................................................................................ 7-14
7.11 CALIBRATION .................................................................................................................................... 7-16
7.11.1 Calibration Interface......................................................................................................................... 7-16
7.11.2 Calibration Equipment ..................................................................................................................... 7-17
7.11.3 Calibration Procedure ...................................................................................................................... 7-17
7.11.3.1 Calibrate
Current Output Zero...................................................................................................... 7-17
7.11.3.2 Calibrate Current Reading Zero ................................................................................................... 7-17
7.11.3.3 Calibrate Output Voltage Reading Zero ....................................................................................... 7-18
7.11.3.4 Calibrate External Program Voltage Reading Zero ...................................................................... 7-18
7.11.3.5 Calibrate Output Current Gain (Span).......................................................................................... 7-18
7.11.3.6 Calibrate Current Reading Gain ................................................................................................... 7-20
7.11.3.7 Calibrate Voltage Reading Gain................................................................................................... 7-20
7.11.3.8 Calibrate External Current Programming Voltage Reading Gain ................................................. 7-21
7.11.4 Calibrate Specific Interface Commands........................................................................................... 7-21
APPENDIX A – GLOSSARY OF TERMINOLOGY....................................................................................................... A-1
APPENDIX B – UNITS FOR MAGNETIC PROPERTIES ............................................................................................. B-1