Keithley 2520 User Manual page 198

Model 2520 User's Manual
Table 14-6
SOURce command summary
Command
:SOURce[1]
:CLEar[:IMMediate]
:CURRent
:MODE <name>
:MODE?
:RANGe <n>
:RANGe?
[:LEVel]
[:IMMediate]
[:AMPLitude] <n>
[:AMPLitude]?
:LOW <n>
:LOW?
:POLarity <name>
:POLarity?
:STARt <n>
:STARt?
:STOP <n>
:STOP?
:STEP <n>
:STEP?
:SPAN <n>
:SPAN?
:CENTer <n>
:CENTer?
:FUNCtion
[:SHAPe] <name>
[:SHAPe]?
:PULSe
:DELay <n>
:DELay?
:WIDTh <n>
:WIDTh?
:TRANsition
:STATe <b>
:STATe?
1
Minimum and default pulse delay and width values depend on pulse duty cycle. See
Description
Path to control laser diode current source:
Turn all three sources off.
Path to configure current:
Select mode (FIXed, SWEep, or LIST).
Query mode.
Select fixed range; 0 to 5.0 (Range = 0.5 or 5).
Query range setting.
Set source level (in amps):
Set specified current level immediately:
Specify current level for FIXed mode; 0 to 5.
Query current level.
Specify low current pulse level; 0 to 0.015,
500mA range; 0 to 0.15, 5A range.
Query low current pulse level.
Specify polarity (POSitive or NEGative).
Query polarity.
Specify start level for I-sweep; 0 to 5.0.
Query start level for current sweep.
Specify stop level for I-sweep; 0 to 5.0.
Query stop level for current sweep.
Specify step value for I-sweep; 0 to 5.0.
Query step value for current sweep.
Specify span; 0 to 5.0.
Query span.
Specify center point; 0 to 5.0.
Query center point.
Select source shape (PULSe or DC).
Query source shape.
Path to control pulse generation for FIXed and
SWEep.
Set delay between pulses; 20e-6 to 0.5.
Query delay between pulses.
Set pulse width; 500e-9 to 5e-3.
Query pulse width.
Control pulse leading edge time.
Enable or disable transition control.
Query transition control state.
SCPI Command Reference
parameter SCPI
FIX
0.5
0
0
POS
0
0
0
0
0
PULS
1
10e-3
1
10e-6
OFF
"Duty cycle" in Section 5.
14-9
Default