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KEPCO EL Series Electronic Load Operator Manual P/N 243-1295 Firmware Version 3.22 through 3.41 User Manual

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SERIES EL 062011

TABLE OF CONTENTS

SECTION

PAGE

3.8

Changing IP Mode ..................................................................................................................................... 3-4

3.9

Changing Static IP Address or Subnet Mask............................................................................................. 3-4

3.10

Changing GPIB Address............................................................................................................................ 3-5

3.11

Operation of Master/slave Configurations.................................................................................................. 3-5

3.11.1

Power Up ................................................................................................................................................ 3-6

3.11.2

Local (Front Panel) Operation ................................................................................................................ 3-6

3.11.3

Remote (Computer) Operation ............................................................................................................... 3-6

3.11.4

Indications During Master/Slave Operation ............................................................................................ 3-6

3.11.5

Master/Slave Controls and Indicators..................................................................................................... 3-6

3.11.6

Master/Slave Operating Notes/Cautions/Warnings ................................................................................ 3-7

3.11.7

Master/Slave Disconnect ........................................................................................................................ 3-7

3.12

Operation via Computer Interface.............................................................................................................. 3-7

3.13

SCPI Programming .................................................................................................................................... 3-8

3.13.1

SCPI Messages ...................................................................................................................................... 3-8

3.13.2

Common Commands/Queries ................................................................................................................ 3-8

3.13.3

SCPI Subsystem Command/Query Structure......................................................................................... 3-11

3.13.3.1

Calibration Subsystem....................................................................................................................... 3-11

3.13.3.2

Debug Subsystem ............................................................................................................................. 3-11

3.13.3.3

PROTection Subsystem .................................................................................................................... 3-12

3.13.3.4

[SOURce:]MEASure Subsystem ....................................................................................................... 3-12

3.13.3.5

[SOURce:]InPut, [SOURce:]OUTPut Subsystems ............................................................................ 3-12

3.13.3.6

[SOURce:]VOLTage, [SOURce:]CURRent, [SOURce:]POWer Subsystems.................................... 3-12

3.13.3.7

[SOURce:]Resistance, [SOURce:]CONDuctance Subsystems......................................................... 3-12

3.13.3.8

STATus Subsystem........................................................................................................................... 3-12

3.13.3.9

SYSTem subsystem .......................................................................................................................... 3-12

3.13.4

Program Message Structure................................................................................................................... 3-13

3.13.4.1

Keyword............................................................................................................................................. 3-13

3.13.4.2

Keywords for Dual Units .................................................................................................................... 3-13

3.13.4.3

Keyword Separator............................................................................................................................ 3-13

3.13.4.4

Query Indicator .................................................................................................................................. 3-13

3.13.4.5

Data ................................................................................................................................................... 3-13

3.13.4.6

Data Separator .................................................................................................................................. 3-13

3.13.4.7

Message Terminator.......................................................................................................................... 3-14

3.13.5

Understanding The Command Structure ................................................................................................ 3-15

3.13.6

Program Message Syntax Summary ...................................................................................................... 3-15

3.13.7

Status Reporting ..................................................................................................................................... 3-16

3.13.7.1

Status Reporting Structure ................................................................................................................ 3-16

3.13.7.2

Standard Event Status Register ........................................................................................................ 3-16

3.13.7.3

QUEStionable Status Register .......................................................................................................... 3-18

3.13.7.4

Channel Status Register.................................................................................................................... 3-18

3.13.7.5

Channel Summary Register .............................................................................................................. 3-19

3.13.7.6

Status Byte Register.......................................................................................................................... 3-19

3.14

Damping..................................................................................................................................................... 3-19

3.14.1

Damping Adjustments............................................................................................................................. 3-19

3.15

Analog Programming ................................................................................................................................. 3-21

3.16

Operator Maintenance ............................................................................................................................... 3-22

APPENDIX A - IEEE 488.2 COMMAND/QUERY DEFINITIONS

A.1

Introduction ................................................................................................................................................ A-1

A.2

*CLS — Clear Status Command................................................................................................................ A-1

A.3

*ESE — Standard Event Status Enable Command ................................................................................... A-1

A.4

*ESE? — Standard Event Status Enable Query........................................................................................ A-2

A.5

*ESR? — Event Status Register Query ..................................................................................................... A-2

A.6

*IDN? — Identification Query..................................................................................................................... A-2

A.7

*OPC — Operation Complete Command .................................................................................................. A-2