Keithley 2450

Section
6: SCPI command reference Model 2450 Interactive SourceMeter® Instrument
Reference Manual
6-152 2450-901-01 Rev. B/September 2013
Details
This command configures the trigger event generator to assert a TTL pulse for output logic; positive is a high
pulse, negative is a low pulse.
Example
:DIG:LINE4:MODE TRIG, OUT
:TRIG:DIG4:OUT:LOG NEG
Sets line 4 mode to be a trigger output and
sets the output logic of the trigger event
generator to negative (asserts a low pulse).
Also see
:DIGital:LINE<n>:MODE (on page 6-19)
Digital I/O port (on page 3-62)
:TRIGger:DIGital<n>:OUT:PULSewidth
This command describes the length of time that the trigger line is asserted for output triggers.
Type Affected by Where saved Default value
Command and query
Recall settings
Instrument reset
Power cycle
Save settings 10e-6 (10 µs)
Usage
:TRIGger:DIGital<n>:OUT:PULSewidth <width>
:TRIGger:DIGital<n>:OUT:PULSewidth?
<n>
Digital I/O trigger line (1 to 6)
<width>
Pulse length (0 to 100,000 s)
Details
Setting the pulse width to zero (0) seconds asserts the trigger indefinitely.
Example
DIG:LINE1:MODE TRIG, OUT
TRIG:DIG1:OUT:PULS 200
Set digital line 1 to trigger out.
Set the pulse to 200.
Also see
:DIGital:LINE<n>:MODE (on page 6-19)
:DIGital:WRITe <n> (on page 6-21)
Digital I/O port (on page 3-62)