Keithley 2461 Reference Manual page 1050

Appendix C: Status model
Bit When set, indicates the following has occurred:
0 Operation complete: All pending selected instrument operations are complete and the instrument is
ready to accept new commands. The bit is set in response to an
opc() (on page 8-92) function.
1 Not used.
2 Query error: Attempt to read data from an empty Output Queue.
3 Not used.
4 Not used.
5 Not used.
6 Not used.
7 Power-on: The instrument has been turned off and turned back on since the last time this register was
read.
You can use the following commands to read and set bits contained in the Standard Event Register.
Description
Read the Standard Event Status
Register
Set or read the OR bits in the
Standard Event Status Enable
Register
C-4
Model 2461 Interactive SourceMeter® Instrument Reference Manual
SCPI command TSP command
*ESR? (on page B-4) status.standard.event
*ESE (on page B-2) status.standard.enable
ESE?
*OPC (on page B-6) command or TSP
(on page 8-233)
(on page 8-232)
2461-901-01 A/November 2015