Interactive SourceMeter® Instrument Reference Manual Section 5: Introduction to S
2461-901-01 A/November 2015 5-9
Acquiring readings using SCPI commands
The following table summarizes SCPI commands that acquire and return readings.
Command Description
Returns the specified data elements from the most recent reading. This command
does not trigger source-
measure operations. This command can repeatedly return
the same readings. Until there are new readings, this command continues to
return the old readings.
Makes measurements, places them in a reading buffer, and returns the specified
data elements from the latest reading. The READ? query returns the same
information as the following commands:
TRACe:TRIGger
FETCh?
Do not use INITiate with the READ? command.
For example, send the following command to obtain the source voltage,
measured current, and relative timestamp:
READ? 1, 10, "defbuffer1", SOUR, READ, REL
See :READ? (on page 6-9) for more information about the
command.
Same as READ?. See :MEASure? (on page 6-4) for more information.
Returns specified data elements from a specified reading buffer. Use this
command if SENSe:COUNT > 1. Use TRACe:TRIGger to start making
measurements if you are not using the trigger model.
For example, send the following command to get the source voltage, measured
current, and relative timestamp:
TRAC:DATA? 1, 10, "defbuffer1", SOUR, READ, REL
See :TRACe:DATA? (on page 6-160) for more information about the TRACe?
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