System:error - Agilent Technologies U2300A Series Programming Manual

SYSTem:ERRor?

Syntax
SYSTem:ERRor?
This query reads and clears one error from the instrument's error queue.
Remarks
• Errors are retrieved in first- in- first- out (FIFO) order. The first error
• Errors are cleared as you read them.
• If more errors occur then the error queue is capable of storing, the last
• SYSTem:ERRor? will read and clear one error from the queue.
• Error conditions are also summarized in the Status Byte Register.
• The interface- specific and global error queues are cleared by the clear
• Refer to
Return Format
The command reads and clears one error string from the error queue. The
error string consists of an error number and an error string enclosed in
double quotes.
For example:
–113, "Undefined header"
U2300A Series USB DAQ Programming Guide
returned is the first error that was stored. Once you have read all of
the interface- specific errors, the errors in the global error queue are
retrieved.
error stored in the queue (the most recent error) will be replaced with
–350, "Error queue overflow". No additional errors are stored until you
remove errors from the queue. If no errors have occurred when you
read the error queue, the instrument responds with +0, "No error".
status (*CLS) command and when power is cycled. The errors are also
cleared when you read the error queue. The error queue will not be
cleared by a factory reset (*RST) command or an instrument preset
(SYSTem:PRESet) command.
Chapter 16, "Error Messages,"
information.
SYSTem Subsystem
on page 155 for more
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