CONFigure:CURRent:{AC|DC} [{<range>|AUTO|MIN|MAX|DEF}, [{<resolution>|MIN|MAX|DEF},]]
(@<ch_list>)
Only supported on DAQM901A multiplexer module (channel 21 and 22).
Configures the channels for AC and DCcurrent measurements, but they do not initiate the scan. This command
redefines the scan list.
The CONFigure command does not place the instrument in the "wait-for-trigger" state. Use the INITiate or READ?
command in conjunction with CONFigure to place the instrument in the "wait-for-trigger" state.
Parameter Typical return
<range>
AC current: {AUTO |100 μA | 1 mA | 10 mA | 100 mA | 1 A}
DCcurrent: {AUTO |1 μA | 10 μA | 100 μA | 1 mA | 10 mA | 100 mA | 1 A}
Default: AUTO
<resolution>
AC current: Optional and ignored; fixed at 6½ digits
DCcurrent: 1 PLC
(none)
Configure AC current measurement using the 1 A range, read the measurement:
CONF:CURR:AC 1 (@121)
READ?
Typical Response: -5.07423414E-12
Configure DC current measurements using the 1 A range with 1 mA resolution. Then make a measurement using an external trigger with pos-
itive slope (rising edge) and read the measurement:
CONF:CURR:DC 1,0.001 (@121)
TRIG:SOUR EXT;SLOP POS
INIT
FETC?
Typical Response: +4.27150000E-01
– When you specify a range of channels with this command, any channels that are invalid will be ignored (no error
will be generated) but the selected function must be valid for at least one channel in the range, or an error will be
generated.
–
You can allow the instrument to automatically select the measurement range using autoranging or you can
select a fixed range using manual ranging. Autoranging is convenient because the instrument decides which
range to use for each measurement based on the input signal. For fastest scanning operation, use manual ran-
ging on each measurement (some additional time is required for autoranging since the instrument has to make a
range selection).
92
Keysight DAQ970A/DAQ973A Programming Guide
2 SCPI Programming
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