SCPI Command Reference 5-59
:PRESet command
:PRESet
:STATUS:PRESet Return registers to default conditions
Description When this command is sent, the SCPI event registers are affected as follows:
All bits of the following registers are cleared to zero (0):
• Questionable Event Enable Register.
• Measurement Event Enable Register.
• Operation Event Enable Register
NOTE Registers not included in the above list are not affected by this
command.
:QUEue commands
[:NEXT]?
:STATus:QUEue[:NEXT]? Read Error Queue
Description As error and status messages occur, they are placed into the Error Queue.
This query command is used to read those messages.
The Error Queue is a first-in, first-out (FIFO) register. Every time you read
the queue, the “oldest” message is read and that message is then removed
from the queue. The queue will hold up to 10 messages. If the queue becomes
full, the message “350, ‘Queue Overflow” will occupy the last memory
location in the register. On power-up, the Error Queue is empty. When the
Error Queue is empty, the message “0, ‘No error” is placed in the Error
Queue.
The messages in the queue are preceded by a number. Negative (-) numbers
are used for SCPI defined messages, and positive (+) numbers are used for
Keithley defined messages. The messages are listed in Appendix B.
After this command is sent and the Model 2016 is addressed to talk, the
“oldest” message in the queue is sent to the computer.
NOTE The :STATus:QUEue[:NEXT]? query command performs the
same function as the :SYSTem:ERRor? query command (see
System subsystem).
:CLEar
:STATus:QUEue:CLEar Clear Error Queue
Description This action command is used to clear the Error Queue of messages.
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