Keithley 2231A-30-3 - Esr; Idn; Opc; Rst

Model 2231A Triple-channel DC Power Supply Reference Manual Section 5: SCPI command reference
077100401/September 2014 5-3
Bit Position 7 6 5 4 3 2 1 0
Bit Name PON Not used CME EXE DDE QYE Not used OPC
Bit Weight
128 32 16 8 4 1
PON Power-on
CME Command error
EXE Execution error
DDE Device-dependent error
QYE Query error
OPC Operation complete
*ESR?
This command reads the value of standard event status register. Once this command executed, the standard
event status register is reset. The bit definition for the standard event status register is as the same as the
standard event status enable register.
Item Description
Group Status
Syntax *ESR?
Related Commands *CLS, *OPC
*IDN?
This command reads information about the power supply. It returns a parameter that contains four segments
divided by a comma. Example: Keithley instruments, 2231A-30-3, 0123456789ABCDEFGH, 1.01-1.04.
Item Description
Group System
Syntax *IDN?
Related Commands *CLS, *SER?
*OPC
This command sets the OPC bit in the standard event register to 1 when all other commands are complete.
Item Description
Group System
Syntax *OPC <N>
*OPC?
Related Commands None
*RST