Error Messages
Query Error List
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.
Table C.4 Query Error List
Error | Error Message Description |
code |
-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. |
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.
Table C.5 User Request Event
Errorcode Error Message Description
-600 User request
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 C.6 Operation Complete Event
Errorcode Error Message Description
-800 Operation complete