Keithley 2461 Reference Manual

Table of Contents
Model 2461 Interactive SourceMeter® Instrument
Reference Manual
Introduction to SCPI commands .............................................................................. 5-1
Introduction to SCPI ............................................................................................................. 5-1
Command execution rules......................................................................................................... 5-1
Command messages ................................................................................................................ 5-1
SCPI command programming notes .................................................................................... 5-3
SCPI command formatting ........................................................................................................ 5-3
Using the SCPI command reference ......................................................................................... 5-5
Acquiring readings using SCPI commands ............................................................................... 5-9
SCPI command reference ......................................................................................... 6-1
:FETCh? .................................................................................................................................... 6-1
:MEASure? ................................................................................................................................ 6-4
:MEASure:DIGitize? .................................................................................................................. 6-7
:READ? ..................................................................................................................................... 6-9
:READ:DIGitize? ..................................................................................................................... 6-12
*RCL ....................................................................................................................................... 6-15
*SAV ....................................................................................................................................... 6-15
ACAL subsystem ................................................................................................................ 6-16
:ACAL:COUNt? ....................................................................................................................... 6-16
:ACAL:LASTrun:TEMPerature:INTernal? ................................................................................ 6-17
:ACAL:LASTrun:TEMPerature:DIFFerence?........................................................................... 6-17
:ACAL:LASTrun:TIME? ........................................................................................................... 6-18
:ACAL:RUN ............................................................................................................................. 6-18
CALCulate subsystem ........................................................................................................ 6-19
:CALCulate[1]:<function>:MATH:FORMat............................................................................... 6-19
:CALCulate[1]:<function>:MATH:MBFactor............................................................................. 6-20
:CALCulate[1]:<function>:MATH:MMFactor ............................................................................ 6-22
:CALCulate[1]:<function>:MATH:PERCent ............................................................................. 6-23
:CALCulate[1]:<function>:MATH:STATe ................................................................................. 6-24
:CALCulate2:<function>:LIMit<Y>:AUDible ............................................................................. 6-25
:CALCulate2:<function>:LIMit<Y>:CLEar:AUTO ..................................................................... 6-26
:CALCulate2:<function>:LIMit<Y>:CLEar[:IMMediate] ............................................................ 6-28
:CALCulate2:<function>:LIMit<Y>:FAIL? ................................................................................ 6-29
:CALCulate2:<function>:LIMit<Y>:LOWer[:DATA] .................................................................. 6-30
:CALCulate2:<function>:LIMit<Y>:STATe ............................................................................... 6-32
:CALCulate2:<function>:LIMit<Y>:UPPer[:DATA] ................................................................... 6-33
DIGital subsystem .............................................................................................................. 6-35
:DIGital:LINE<n>:MODE ......................................................................................................... 6-35
:DIGital:LINE<n>:STATe ......................................................................................................... 6-36
:DIGital:READ? ....................................................................................................................... 6-37
:DIGital:WRITe <n> ................................................................................................................. 6-38
DISPlay subsystem ............................................................................................................ 6-39
:DISPlay:CLEar ....................................................................................................................... 6-39
:DISPlay:<function>:DIGits...................................................................................................... 6-40
:DISPlay:LIGHt:STATe ............................................................................................................ 6-41
:DISPlay:READing:FORMat .................................................................................................... 6-42
:DISPlay:SCReen .................................................................................................................... 6-42
:DISPlay:USER<n>:TEXT[:DATA] .......................................................................................... 6-43
FORMat subsystem ........................................................................................................... 6-44
:FORMat:ASCii:PRECision ..................................................................................................... 6-44
:FORMat:BORDer ................................................................................................................... 6-45
:FORMat[:DATA] ..................................................................................................................... 6-46

Keithley 2461 Specifications

General

Maximum Current	7 A
Power	100 W
Resolution	6.5 digits
Source Measure Unit (SMU)	Yes
DC Voltage	100 V
Maximum Voltage	100 V
Display	5-inch capacitive touchscreen
Connectivity	USB, GPIB
Software	TSP
DC Current	7 A
Current Source Range	0 to 7 A
Voltage Measurement Range	100 mV to 100 V
Current Measurement Range	10 nA to 7 A
Voltage Measurement Resolution	100 nV