1261B User Manual
Racal Instruments
Ó
1995
Error Messages B-1
Appendix B
ERROR MESSAGES
Error Messages
In general, whenever the EMS receives an invalid SCPI command,
it automatically generates an error. Errors are stored in a special
error queue and may be retrieved from this buffer one at a time.
Errors are retrieved in first-in-first-out (FIFO) order. The first error
returned is the first error that was stored. When you have read all
errors from the queue, the generator responds with the message:
0,"No error"
If more than 16 errors have occurred, the last error stored in the
queue is replaced with:
-350,“Queue
overflow"
No additional errors are stored until errors are removed from the
queue as described in the following paragraphs.
The error queue is cleared when power has been shut off or after
a *CLS command has been executed. The *RST command does
not clear the error queue. Use the following command to read the
error queue:
SYSTem:ERRor?
All errors have the following format (the error string may contain
up to 80 characters):
<Error Number>, <Error String>
Where:
<Error Number>
is a numeric value. This may be
positive or negative
<Error
String>
is a descriptive error message,
enclosed in double quotes.
A complete listing of the errors that can be generated by the EMS
is shown in
Table 4-3.
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