6: Reading buffers 2470 High Voltage SourceMeter Instrument
6-26 2470-901-01 Rev. A / May 2019
Storing data in buffers
Using SCPI commands:
The table below lists the SCPI commands that you use for data storage.
Command Description
This command contains the number of readings in the specified
buffer. See :TRACe:ACTual? (on page 12-117) for more information.
This command returns the last index in a reading buffer. See
:TRACe:ACTual:END? (on page 12-118) for more information.
This command returns the starting index in a reading buffer. See
:TRACe:ACTual:STARt? (on page 12-119) for more information.
This command clears all readings and statistics from the specified
buffer. See Clearing buffers (on page 6-24
) for more information. Also
see :TRACe:CLEar (on page 12-119).
This command deletes a buffer. See :TRACe:DELete (on page
12-124) for more information.
This command determines if a reading buffer is filled continuously or
is filled once and stops. See :TRACe:FILL:MODE (on page 12-125)
This command indicates whether the reading buffer should log
informational events. See :TRACe:LOG:STATe (on page 12-126
) for
This command creates a user-defined reading buffer. You cannot use
this command on the default buffers. See Creating buffers (on page
6-5) for more information. Also see :TRACe:MAKE (on page 12-127).
This command reads the number of readings a buffer can store. This
allows you to change the number of readings the buffer can store.
See :TRACe:POINts (on page 12-129) for more information.
This command saves data from the specified reading buffer to a USB
flash drive. See :TRACe:SAVE (on page 12-130) for more
This command appends data from the reading buffer to a file on the
USB flash drive. See :TRACE:SAVE:APPend (on page 12-132) for
This command clears the statistical information associated with the
specified buffer. This command does not clear the readings.
For use with writable buffers only; this function sets the units and
number of digits that are written into the reading buffer. See
:TRACe:WRITe:FORMat (on page 12-138) for more information.
For use with writable buffers only; this function writes the data you
specify into a reading buffer. See :TRACe:WRITe:READing (on page
12-140) for more information.
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