Keithley 2450

Section
6: SCPI command reference Model 2450 Interactive SourceMeter® Instrument
Reference Manual
6-80 2450-901-01 Rev. B/September 2013
:SOURce[1]:LIST:<function>:POINts?
This command queries the length of the source list for the selected source function.
Type Affected by Where saved Default value
Query only
Not applicable
Not applicable
Not applicable
Query
:SOURce[1]:LIST:CURRent:POINts?
:SOURce[1]:LIST:VOLTage:POINts?
Details
This command returns the length of the specified source list. The response message indicates the number of
source values in the list.
Example
*RST
SENS:FUNC "CURR"
SENS:CURR:RANG:AUTO ON
SENS:CURR:RSEN OFF
SOUR:FUNC VOLT
SOUR:VOLT:RANG 20
SOUR:VOLT:ILIM 1
SOUR:LIST:VOLT 1, 5, 1, 5, 1, 5
SOUR:SWE:VOLT:LIST 1, 0.2
INIT
*WAI
TRAC:DATA? 1, 6, "defbuffer1", SOUR, READ
SOUR:LIST:VOLT:POIN?
This example will source 1 V, 5 V, 1 V, 5 V,
1 V, 5 V and measure the resulting current
at each voltage point. The time duration of
each voltage point is 200 ms.
Check the number of points in the list.
Output:
6
Also see
:SOURce[1]:LIST:<function> (on page 6-78)
:SOURce[1]:LIST:<function>:APPend (on page 6-79)