A.4 query errors, Table a-4 error messages of query errors – Anritsu MP1777A User Manual
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A.4 Query Errors
The error codes, [-499 and -400], indicate that the output control queue of the device has encountered errors related to the
message exchange control protocol. When these errors take place, bit 2 of the event status register of the device is set.
Errors take place when the following events take place.
• Reading from the output queue was attempted in the absence of output.
• The data of the output queue has been lost.
Table A-4 Error Messages of Query Errors
Appendix A SCPI Error Messages
Code
Message
Error Detection Condition
-410
Query INTERRUPTED
Before the device finishes sending a response message, an interrupt by a new
command has taken place.
E x a m p le :
■'i'TRG was sent before sending of a response has fully been
completed.
-420
Query UNTERMINATED
A query to correspond to the response message to be read has not been sent.
Or the query has completely been terminated.
-430
Query DEADLOCKED
Data greater in size than the storage area has been attempted to be stored into
the buffer.
E x a m p le :
The device is unable to continue measurement because the input
and output buffers are both full.
A
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6
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