Instruction manual

10. Command : *SRE?
Description : Service Request Enable Query.
Function : This query command reads back the contents of the Ser-
vice Request Enable Register in the <NR.DATA> Numeric
data format (0-255).
11. Command : *STB?
Description : Read Status Byte Query.
Function : This query command reads back the contents of the Sta-
tus Byte Register in the <NR.DATA> Numeric Data format
ranging from 0-255.
12. Command : *TST?
Description : Self-Test Query.
Function : This query command causes an internal Self Test & re-
ports whether the Test was completed successfully (
<NR.DATA> = 0 ) or detected any of the errors in the Self
Test ( <NR.DATA> = non-zero ), which are discussed in
detail under section 5.11 of this chapter.
NOTE: Before running the Self-Test with the *TST? Command set the OVP and
OCP Limits to maximum. Or else the unit will TRIP.
13. Command : *WAI
Description : Wait to continue command.
Function : This command shall prevent the device from executing
any further commands or readings till the No-operation
pending Flag is set true.
14. Command : SYSTem: ERRor?
Description : System Error condition Query.
Function : This command returns the error number & error descrip-
tion from the error queue of the instrument.
If the ERROR QUEUE is empty, 0,“No error”
will be the response. The error queue can hold up to 6
messages. If the entire buffer is full and an ERROR oc-
curs at this moment then the last message in the Error
Queue will be replaced with -350,”Queue overflow”
When a message is read from the queue using the
SYSTem:ERRor? Query, the first one is cleared and all
the messages are shifted one to the start again.
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