ii
SERIES EL 071414
TABLE OF CONTENTS
SECTION
PAGE
2.7.3
E Option - Ethernet Interface .................................................................................................................. 2-13
SECTION 3 - OPERATION
3.1
General ...................................................................................................................................................... 3-1
3.2
Factory Default Settings............................................................................................................................. 3-1
3.3
Turning the Unit On.................................................................................................................................... 3-2
3.3.1
Error Conditions...................................................................................................................................... 3-2
3.4
Selecting the Mode and Setpoint ............................................................................................................... 3-3
3.5
Engaging the Load ..................................................................................................................................... 3-4
3.6
Disengaging the Load ................................................................................................................................ 3-4
3.7
Viewing Configuration Information ............................................................................................................. 3-4
3.8
Changing IP Mode ..................................................................................................................................... 3-5
3.9
Changing Static IP Address or Subnet Mask ............................................................................................. 3-5
3.10
Changing GPIB Address ............................................................................................................................ 3-6
3.11
Operation of Master/slave Configurations.................................................................................................. 3-6
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 ............................................................................................ 3-7
3.11.5
Master/Slave Controls and Indicators..................................................................................................... 3-7
3.11.6
Master/Slave Operating Notes/Cautions/Warnings ................................................................................ 3-7
3.11.7
Master/Slave Disconnect ........................................................................................................................ 3-8
3.12
Operation via Computer Interface .............................................................................................................. 3-8
3.13
SCPI Programming .................................................................................................................................... 3-9
3.13.1
SCPI Messages ...................................................................................................................................... 3-9
3.13.2
Common Commands/Queries ................................................................................................................ 3-9
3.13.3
SCPI Subsystem Command/Query Structure......................................................................................... 3-12
3.13.3.1
DIAGNOSTIC Subsystem ................................................................................................................. 3-12
3.13.3.2
PROTection Subsystem .................................................................................................................... 3-13
3.13.3.3
[SOURce:]MEASure Subsystem ....................................................................................................... 3-13
3.13.3.4
[SOURce:]InPut, [SOURce:]OUTPut Subsystems ............................................................................ 3-13
3.13.3.5
[SOURce:]VOLTage, [SOURce:]CURRent, [SOURce:]POWer Subsystems.................................... 3-13
3.13.3.6
[SOURce:]Resistance, [SOURce:]CONDuctance Subsystems......................................................... 3-13
3.13.3.7
STATus Subsystem........................................................................................................................... 3-14
3.13.3.8
SYSTem subsystem .......................................................................................................................... 3-14
3.13.4
Program Message Structure................................................................................................................... 3-15
3.13.4.1
Keyword............................................................................................................................................. 3-15
3.13.4.2
Keyword Separator............................................................................................................................ 3-15
3.13.4.3
Query Indicator .................................................................................................................................. 3-15
3.13.4.4
Data ................................................................................................................................................... 3-15
3.13.4.4.1
Multiple Line Messages ............................................................................................................... 3-15
3.13.4.5
Data Separator .................................................................................................................................. 3-15
3.13.4.6
Message Terminator.......................................................................................................................... 3-16
3.13.5
Understanding The Command Structure ................................................................................................ 3-16
3.13.6
Program Message Syntax Summary ...................................................................................................... 3-17
3.13.7
Status Reporting ..................................................................................................................................... 3-17
3.13.7.1
Status Reporting Structure ................................................................................................................ 3-17
3.13.7.2
Standard Event Status Register ........................................................................................................ 3-17
3.13.7.3
QUEStionable Status Register .......................................................................................................... 3-19
3.13.7.4
Channel Status Register.................................................................................................................... 3-19
3.13.7.5
Channel Summary Register .............................................................................................................. 3-20
3.13.7.6
Status Byte Register.......................................................................................................................... 3-20
3.14
Damping..................................................................................................................................................... 3-20
3.14.1
Damping Adjustments............................................................................................................................. 3-21
3.14.2
Recommended Damping Adjustment Procedure ................................................................................... 3-21
3.14.3
Damping Procedure using Front Panel Controls .................................................................................... 3-23
3.15
Programming Time Required to Change State (Ramps) ........................................................................... 3-23
