Agilent Technologies B2902 Service Manual download pdf (Page 153)

Agilent B2900 SCPI Command Reference, Edition 2 4- 31

Subsystem Commands

Example :FORM:ELEM:SENS CURR,SOUR

:FETC? (@1,2)

:FETCh[:SCALar]:<CURRent|RESistance|SOURce|ST

ATus|TIME|VOLTage>?

Returns the latest current measurement data, resistance measurement data, source

output setting data, status data, time data, or voltage measurement data specified by

CURRent, RESistance, SOURce, STATus, TIME, or VOLTage. The data is not

cleared until the :INITiate, :MEASure, or :READ command is executed.

[chanlist]

for current measurement data, RESistance for resistance measurement data,

SOURce for source output setting data, STATus for status data, TIME for time data,

or VOLTage for voltage measurement data.

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 latest data specified by CURRent, RESistance, SOURce,

STATus, TIME, or VOLTage. 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.

ch1curr10,ch2curr5

This example shows the data containing the latest current data (ch1curr10) of the

10-step sweep measurement by channel 1, and the latest current data (ch2curr5) 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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Agilent Technologies B2902 Service Manual Page 153