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Error Messages
D–6 TM-XDOP-01XN
Query Error List
An error number in the range [-499, -400] indicates that the output queue control
of the instrument has detected a problem with the message exchange protocol
described in IEEE 488.2, chapter 6. The occurrence of any error in this class
causes the query error bit (bit 2) in the Event Status Register to be set.
User Request Event
An error/event in the range [-699, -600] is used when the instrument wishes to
report a 488.2 user request event. This event also sets the user request bit (bit 6) of
the Standard Event Status Register.
Operation Complete Event
An error/event in the range [-899, -800] is used when the instrument wishes to
report a 488.2 operation complete event. This event occurs when an instrument’s
synchronization protocol, having been enabled by an *OPC command, completes
all selected pending operations. This event also sets the operation complete bit (bit
0) of the Standard Event Status Register.
Table D-4
Query Error List
Error code Error Message Description
-400 Query Error
This is the generic query error for the power supply, used only when the
other types of errors do not apply.
-410 Query INTERRUPTED
Generated when a new command was received before it could finish the
query.
Table D-5
User Request Event
Error code Error Message Description
-600 User request
Table D-6
Operation Complete Event
Error code Error Message Description
-800 Operation complete
TM-XDOP-01XN.book Page 6 Monday, July 17, 2006 11:19 AM