Keithley Interactive SourceMeter 2450, Справочное руководство

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Section 8: TSP command reference Model 2450 Interactive SourceMeter® Instrument Reference Manual
8-176 2450-901-01 Rev. B/September 2013
Details
The digital trigger pulsewidth command determines how long the trigger is asserted. The trigger stimulus for a
digital I/O line may be set to one of the existing trigger events, which are described in the following table.
Trigger events
Event description
Event constant
No trigger event
trigger.EVENT_NONE
Front-panel TRIGGER key press
trigger.EVENT_DISPLAY
Notify trigger block N (1 to 8) generates a trigger
event when the trigger model executes it
trigger.EVENT_NOTIFY N
A command interface trigger occurred:
•
Any remote interface: * TRG
•
GPIB only: GET bus command
•
VXI-11: VXI-11 command
device_trigger
trigger.EVENT_COMMAND
Line edge (either rising, falling, or either based on
the configuration of the line) detected on digital
input line N (1 to 6)
trigger.EVENT_DIGIO N
Line edge detected on TSP-Link synchronization
line N (1 to 3)
trigger.EVENT_TSPLINK N
Appropriate LXI trigger packet is received on LAN
trigger object N (1 to 8)
trigger.EVENT_LAN N
Trigger event blender N (1 to 2), which combines
trigger events
trigger.EVENT_BLENDER
N
Trigger timer
N
(1 to 4) expired
trigger.EVENT_TIMER N
Source limit condition occurs
trigger.EVENT_SOURCE_LIMIT
Example
digio.line[2].mode = digio.MODE_TRIGGER_OUT
trigger.digout[2].stimulus = trigger.EVENT_TIMER3
Set the stimulus
for output digital
trigger line 2 to be
the expiration of
trigger timer 3.
Also see
digio.line[N].mode (on page 8-43)
digio.line[N].reset() (on page 8-44)
trigger.digin[N].clear() (on page 8-170)
trigger.digout[N].assert() (on page 8-173)
Digital I/O port (on page 3-62)