Keysight B2961A/B2962A SCPI Command Reference, Edition 6 4- 81
Subsystem Commands
READ Subsystem
READ Subsystem
:READ:ARRay?
Executes the :INITiate command and the :FETCh:ARRay? command in series, and
returns the array data which contains all of the voltage measurement data, current
measurement data, resistance measurement data, time data, status data, or source
output setting data specified by the
:FORMat:ELEMents:SENSe command. The
data is not cleared until the :INITiate, :MEASure, :READ, or :SENSe:DATA:CLEar
command is executed.
Syntax :READ:ARRay? [chanlist]
Parameter chanlist Channels to return the data. Parameter data type is channel list.
(@1)|(@2)|(@1,2)|(@1:2)|(@2,1)|(@2:1). See
“Channel List
Parameter” on page 1-8.
(@1) selects channel 1 only. (@2) selects channel 2 only. (@1,2), (@1:2), (@2,1),
and (@2:1) selects both channels 1 and 2.
If this parameter is not specified, chanlist=(@1) is set.
Query response response <newline>
response returns the array data specified by the :FORMat:ELEMents:SENSe
command. Response data type is NR3. See “Data Output Format” on page 1-12.
If both channels 1 and 2 are selected by chanlist, response returns the channel 1 data
and the channel 2 data in this order. See the following example. With the ASCII data
output format, each data is separated by a comma.
ch1curr1,ch1sour1,ch2curr1,ch2sour1,ch1curr2,ch1sour2,ch2curr2,ch2sour2, ......
ch1curr5,ch1sour5,ch2curr5,ch2sour5,ch1curr6,ch1sour6,+9.910000E+37,+9.910
000E+37, ......
ch1curr10,ch1sour10,+9.910000E+37,+9.910000E+37
This example shows the data containing the current data (ch1currN) and source data
(ch1sourN) of the 10-step sweep measurement by channel 1, and the current data
(ch2currN) and source data (ch2sourN) of the 5-step sweep measurement by
channel 2.
If the measurement function is not enabled or no data exists, response returns
+9.910000E+37 (ASCII) or NaN (IEEE-754) which indicates “not a number”.
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