18-88 SCPI Command Reference 2400 Series SourceMeter
®
User’s Manual
Query :CENTer? Query center point for sweep
:CENTer? DEFault Query *RST default level
:CENTer? MINimum Query lowest allowable level
:CENTER? MAXimum Query highest allowable level
:SPAN? Query span for sweep
:SPAN? DEFault Query *RST default level
:SPAN? MINimum Query lowest allowable level
:SPAN? MAXimum Query highest allowable level
Description A sweep can be configured by specifying center and span parameters.
By specifying a center point, you can sweep through the operating point
of a device. The span determines the sweep width with the operating
point at the center of the sweep.
For example, assume you are testing a device that operates at 10V, and
you want to sweep from 8 to 12 volts. To do this, you would specify the
center to be 10V and the span to be 4 volts (12 - 8).
Use the :STEP or :POINts command to specify the number of source-
measure points in the sweep.
:CENTer and :SPAN are coupled to :STARt and :STOP. Thus, when
center and span values are changed, the values for start and stop are
affected as follows:
Start = Center - (Span / 2)
Stop = Center + (Span / 2)
STEP <n>
:SOURce[1]:CURRent:STEP <n> Specify step size (current sweep)
:SOURce[1]:VOLTage:STEP <n> Specify step size (voltage sweep)
Parameters 2400
<n> = -2.1 to 2.1 Set I-Source level (amps)
-420 to 420 Set V-Source level (volts)
DEFault 0A or 0V
MINimum -2.1A or -420V
MAXimum +2.1A or +420V
2410
<n> = -2.1 to 2.1 Set I-Source level (amps)
-2200 to 2200 Set V-Source level (volts)
DEFault 0A or 0V
MINimum -2.1A or -2200V
MAXimum +2.1A or +2200V
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