7½ Digit Graphical Sampling Multimeter Reference Manual Section 6:
DMM7510-901-01 Rev. B / May 2015 6-11
The output of :READ? is affected by the data format selected by :FORMat[:DATA]. If you set
FORMat[:DATA] to REAL or SREAL, you will have fewer options for buffer elements. The only buffer
elements available are READing, RELative, and EXTRa. If you request a buffer element that is not
permitted for the selected data format, the instrument generates the error 1133, "Parameter 4, Syntax
error, expected valid name parameters."
The STATus buffer element returns status values for the readings in the buffer. The status values are
floating-point numbers that encode the status value. Refer to the following table for values.
Buffer status bits for sense measurements
Bit (hex) Name Decimal Description
Measure status questionable
A/D converter from which reading originated; for the
Model DMM7510, this will always be 0 (Main) or 2
Measure terminal, front is 1, rear is 0
Measure status limit 2 low
Measure status limit 2 high
Measure status limit 1 low
Measure status limit 1 high
Example
:TRACe:MAKE "voltMeasBuffer", 10000
:SENSe:FUNCtion "VOLTage"
:COUN 10
:READ? "voltMeasBuffer", FORM, DATE, READ
:TRAC:DATA? 1, 10, "voltMeasBuffer"
Create a buffer named voltMeasBuffer.
Set the measurement function to voltage.
Set the count to 10.
Make the measurements and store them in the buffer voltMeasBuffer. Return
the last reading as displayed
on the front panel with the date, along with the unformatted reading.
Return all 10 readings from the reading buffer.
Example output is:
-000.06580 mV,10/14/2014,-6.580474E-05
-1.322940E-05,-7.876178E-05,-7.798489E-05,-7.201674E-05,-9.442933E-05,-7.653603E-
06,-7.916663E-05,-8.177242E-05,-6.187183E-05,-6.580474E-05
Also see
:FETCh? (on page 6-1)
[:SENSe[1]]:COUNt (on page 6-121)
:TRACe:DATA? (on page 6-155)
:TRACe:TRIGger (on page 6-171)
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