Table of Contents  Model 2231A-30-3 Triple-Channel DC Power Supply Reference Manual 
 
  Remote communication........................................................................................... 4-1 
Communication interface ..................................................................................................... 4-1 
2231A-001 communication connector ................................................................................. 4-1 
  SCPI command reference ........................................................................................ 5-1 
Common commands ............................................................................................................ 5-2 
*CLS .......................................................................................................................................... 5-2 
*ESE ......................................................................................................................................... 5-2 
*ESR? ....................................................................................................................................... 5-3 
*IDN? ........................................................................................................................................ 5-3 
*OPC ......................................................................................................................................... 5-3 
*RST ......................................................................................................................................... 5-3 
*SRE ......................................................................................................................................... 5-4 
*STB? ........................................................................................................................................ 5-4 
*TRG ......................................................................................................................................... 5-4 
*SAV ......................................................................................................................................... 5-5 
*RCL ......................................................................................................................................... 5-5 
*TST? ........................................................................................................................................ 5-5 
*WAI .......................................................................................................................................... 5-5 
*PSC ......................................................................................................................................... 5-6 
APPly subsystem ................................................................................................................. 5-6 
[SOURce:]APPLy ...................................................................................................................... 5-6 
[SOURce:]APPly:VOLTage[:LEVel][:IMMediate][:AMPLitude] .................................................. 5-6 
[SOURce:]APPly:CURRent[:LEVel][:IMMediate][:AMPLitude] .................................................. 5-7 
CALibration subsystem ........................................................................................................ 5-7 
CALibration:SECure:[STATe] .................................................................................................... 5-7 
CALibrate:VOLTage:LEVel ....................................................................................................... 5-7 
CALibrate:VOLTage[:DATA] <numeric value>} ......................................................................... 5-8 
CALibrate:CURRent:LEVel ....................................................................................................... 5-8 
CALibrate:CURRent[:DATA]  {<numeric value>} ..................................................................... 5-8 
CALibration:SAVe ..................................................................................................................... 5-9 
CALibration:INITital ................................................................................................................... 5-9 
CALibrate:STRing ..................................................................................................................... 5-9 
DISPlay subsystem .............................................................................................................. 5-9 
DISPlay[:WINDow][:STATe] ...................................................................................................... 5-9 
DISPlay[:WINDow]:TEXT[:DATA] ........................................................................................... 5-10 
DISPlay[:WINDow]:TEXT:CLEar ............................................................................................. 5-10 
INSTrument subsystem...................................................................................................... 5-10 
INSTrument[:SELect] .............................................................................................................. 5-10 
INSTrument:NSELect .............................................................................................................. 5-11 
INSTrument:COMbine:SERies ................................................................................................ 5-11 
INSTrument:COMbine:PARAllel .............................................................................................. 5-11 
INSTrument:COMbine:TRACk ................................................................................................ 5-12 
INSTrument:COMbine:OFF..................................................................................................... 5-12 
INSTrument:COUPle[:TRIGger] .............................................................................................. 5-12 
MEASure subsystem .......................................................................................................... 5-12 
MEASure[:SCALar]:VOLTage[:DC]? ....................................................................................... 5-13 
FETCh[:VOLTage][:DC]? ........................................................................................................ 5-13 
MEASure[:SCALar]:CURRent[:DC]? ....................................................................................... 5-13 
FETCh:CURRent[:DC]? .......................................................................................................... 5-13 
MEASure[:SCALar]:POWer[:DC]? .......................................................................................... 5-13 
FETCh:POWer[:DC]? .............................................................................................................. 5-13