Agilent Technologies B2902 Manuale di Servizio Pagina 150

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4- 28 Agilent B2900 SCPI Command Reference, Edition 2
Subsystem Commands
:FETCh:ARRay?
FETCh Subsystem
:FETCh:ARRay?
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, or :READ command is executed.
Syntax :FETCh: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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