Keithley 2461

Table of Contents
Model 2461 Interactive SourceMeter® Instrument
Reference Manual
Why do I keep seeing the "Undefined header" error? ....................................................... 9-15
Why do I see the "incompatible settings" message? ......................................................... 9-15
Why do I see the "Query interrupted" error? ...................................................................... 9-15
Why do I see the "Query unterminated" error? .................................................................. 9-16
How do I use the digital I/O port? ....................................................................................... 9-16
How do I trigger other instruments? ................................................................................... 9-16
Next Steps ............................................................................................................... 10-1
Additional Model 2461 information ..................................................................................... 10-1
Maintenance .............................................................................................................. A-1
Introduction .......................................................................................................................... A-1
Line fuse replacement .......................................................................................................... A-1
Lithium battery ...................................................................................................................... A-2
Front-panel display ............................................................................................................... A-2
Cleaning the front-panel display ................................................................................................ A-2
Abnormal display operation ....................................................................................................... A-2
Removing ghost images or contrast irregularities ..................................................................... A-2
Upgrading the firmware ........................................................................................................ A-3
From the front panel .................................................................................................................. A-4
Using SCPI................................................................................................................................ A-4
Using TSP ................................................................................................................................. A-5
Using TSB ................................................................................................................................. A-6
Common commands ................................................................................................ B-1
Introduction .......................................................................................................................... B-1
*CLS .......................................................................................................................................... B-2
*ESE ......................................................................................................................................... B-2
*ESR? ....................................................................................................................................... B-4
*IDN? ........................................................................................................................................ B-5
*LANG ....................................................................................................................................... B-5
*OPC ......................................................................................................................................... B-6
*RST ......................................................................................................................................... B-7
*SRE ......................................................................................................................................... B-8
*STB? ........................................................................................................................................ B-9
*TRG ......................................................................................................................................... B-9
*TST? ...................................................................................................................................... B-10
*WAI ........................................................................................................................................ B-10
Status model ..............
............................................................................................... C-1
Overview .............................................................................................................................. C-1
Standard Event Register ........................................................................................................... C-3
Programmable status register sets ............................................................................................ C-5
Status Byte Register ............................................................................................................... C-11
Queues ................................................................................................................................... C-13
Serial polling and SRQ ....................................................................................................... C-14