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6482-901-01 Rev. A / August 2012
Appendix A: Status and Error Messages
Model 6482 Dual-Channel Picoammeter / Voltage Source Reference Manual
Introduction
This appendix contains a summary of status and error messages, which status register bits are set
when messages occur, and methods to avoid or eliminate most common SCPI errors.
Status and error messages
summarizes status and error messages, which are stored in the Error Queue. Each
message is preceded by a code number. Negative (-) numbers are used for SCPI-defined
messages, and positive (+) numbers are used for Keithley-defined messages. Note that error and
status conditions will also set specific bits in various status registers, as summarized in
.
has detailed information on registers and queues. To summarize, you can use the
following queries to obtain error and status information:
•
:SYST:ERR? — Reads Error Queue.
•
*ESR? — Reads Standard Event Status Register.
•
:STAT:OPER? — Reads Operation Event Register.
•
:STAT:MEAS? — Reads Measurement Event Register.
•
:STAT:QUES? — Reads Questionable Event Register.
NOTE
SCPI-confirmed messages are described in volume 2: Command Reference of the
Standard Commands for Programmable Instruments. Refer to the :SYSTem:ERRor?
command.
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