18-112 SCPI Command Reference 2400 Series SourceMeter
®
User’s Manual
Error queue
NOTE See Section 15 for details on the error queue.
[:NEXT]?
:SYSTem:ERRor[:NEXT]? Read oldest error (code and message)
Description As error and status messages occur, they are placed in the Error Queue.
The Error Queue is a first-in, first-out (FIFO) register that can hold up
to 10 messages. After sending this command and addressing the
SourceMeter to talk, the oldest message is sent to the computer and is
then removed from the queue.
NOTE The :STATus:Queue? command performs the same function as
:SYSTem:ERRor[:NEXT]?. (See “STATus subsystem,” page 18-104.)
ALL?
:SYSTem:ERRor:ALL? Read all errors (codes and messages)
Description This query command is similar to the [:NEXT]? command except that
all messages in the Error Queue are sent to the computer when the
SourceMeter is addressed to talk. All messages are removed from the
queue.
COUNt?
:SYSTem:ERRor:COUNt? Return the number of errors
Description After sending this command and addressing the SourceMeter to talk, a
decimal number will be sent to the computer. That is the number of mes-
sages in the Error Queue.
CODE[:NEXT]?
:SYSTem:ERRor:CODE[:NEXT]? Read oldest error (code only)
Description This command is identical to the [:NEXT]? command, except only the
code is returned. The message itself is not returned. The error is cleared
from the queue.
CODE:ALL?
SYSTem:ERRor:CODE:ALL? Read all errors (codes only)
Description This query command is identical to the :ALL? command, except only
the codes are returned. The actual messages are not returned. All errors
are cleared from the queue.
CLEar
:SYSTem:CLEar Clear Error Queue
Description This action command is used to clear the Error Queue of messages.
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