2400 Series SourceMeter
®
User’s Manual SCPI Command Reference 18-119
FEED <name>
:TRACe:FEED <name> Specify readings source
Parameters <name> = SENSe[1] Put raw readings in buffer
CALCulate[1] Put Calc1 readings in buffer
CALCulate2 Put Calc2 readings in buffer
Query :FEED? Query buffer feed
Description This command is used to select the source of readings to be placed in
the buffer. With SENSe[1] selected, raw readings are placed in the
buffer when storage is performed.
With CALCulate[1] selected, math expression results (Calc1) are placed
in the buffer. With CALCulate2 selected, Calc2 readings are placed in
the buffer.
TRACe:FEED cannot be changed while buffer storage is active. See
Section 9, “Data Store,” for more information.
CONTrol <name>
:TRACe:FEED:CONTrol <name> Start or stop buffer
Parameters <name> = NEXT Fills buffer and stops
NEVer Disables buffer storage
Query :CONTrol? Query buffer control
Description This command is used to select the buffer control. When NEXT is
selected, the asterisk (*) annunciator turns on to indicate that the buffer
is enabled. The storage process starts when SourceMeter is taken out of
idle to perform source-measure operations.
After the buffer stores the specified number of reading arrays (as set by
the :POINTs command), the asterisk annuciator turns off to indicate that
storage is done.
With NEVer selected, storage into the buffer is disabled.
Select timestamp format
FORMat <name>
:TRACe:TSTamp:FORMat <name> Select timestamp format
Parameters <name> = ABSolute Reference to first buffer reading
DELTa Time between buffer readings
Query :FORMat? Query timestamp format
Description This command is used to select the timestamp format for buffer read-
ings. With ABSolute selected, each timestamp is referenced to the first
reading stored in the buffer. With DELTa selected, timestamps provide
the time between each buffer reading.
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