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

Release 2.1

121

Page 123
Image 123
Xantrex Technology GPIB-M-XPD, GPIB-M-XHR, GPIB-M-XFR manual Query Error List, User Request Event, Operation Complete Event