Protocol Exceptions
If an error occurs during the information exchange, the exchange may not
be completed in a normal manner. Some of the protocol exceptions are
shown below.
Command Error. A command error will be reported if the instrument
detects a syntax error or an unrecognized command header.
Execution Error. An execution error will be reported if a parameter is
found to be out of range, or if the current settings do not allow execution
of a requested command or query.
Device-specific Error. A device-specific error will be reported if the
instrument is unable to execute a command for a strictly device dependent
reason.
Query Error. A query error will be reported if the proper protocol for
reading a query is not followed. This includes the interrupted and
unterminated conditions described in the following paragraphs.
Message Communication and System Functions
A-4
HP 1650B/HP 16518
Programming Reference
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