Keithley 2461

Section
3: Functions and features Model 2461 Interactive SourceMeter® Instrument
Reference Manual
3-140 2461-901-01 A/November 2015
Resistor grading SCPI code
Send the following commands for this example application:
Command Description
*RST
SOURce:FUNCtion CURRent
SOURce:CURRent:RANGe 0.01
SOURce:CURRent 0.01
SOURce:CURRent:VLIM 2
SOURce:CURRent:READ:BACK ON
SENSe:FUNCtion "VOLTage"
SENSe:VOLTage:UNIT OHM
SENSe:VOLTage:RSENse ON
SENSe:VOLTage:NPLC 1
TRACe:POINts 10
Reset the Model 2461.
Set the instrument to source current with a
range of 10 mA and a voltage limit of 2 V.
Turn source readback on.
Set the instrument measure voltage in ohms
and set 4-wire remote sensing on.
Set the NPLCs to 1.
Set the reading buffer size to 10.
DIGital:LINE1:MODE DIG, OUT
DIG:LINE2:MODE DIG, OUT
DIG:LINE3:MODE DIG, OUT
DIG:LINE4:MODE DIG, OUT
DIG:LINE5:MODE TRIG, IN
TRIGger:DIG5:IN:EDGE FALL
DIG:LINE6:MODE TRIG, OUT
TRIGger:DIGital6:OUT:LOGic NEG
TRIG:DIG6:OUT:PULSewidth 10e-6
TRIG:DIG6:OUT:STIMulus NOT1
Set the digital I/O lines 1 to 4 to be digital
lines that detect rising-edge or falling-edge
triggers as input.
Set digital I/O line 5 for trigger model control,
detecting falling-edge triggers as input.
Set digital I/O line 6 for trigger model control,
detecting rising-edge or falling-edge triggers
as output. Set the output trigger logic of the
trigger event generator to negative. Set the
length of time that the trigger line is asserted
to 10e-6. Set the stimulus to create a notify
event.