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Section 7: Command reference
smuX.trigger.count
This attribute sets the trigger count in the trigger model.
Type
TSP-Link accessible
Attribute (RW)
Yes
Usage
triggerCount = smuX.trigger.count
smuX.trigger.count = triggerCount
triggerCount
X
Details
During a sweep, the SMU will iterate through the trigger layer of the trigger model this many times. After
performing this many iterations, SMU will return to the arm layer.
If this count is set to zero (0), the SMU will stay in the trigger model indefinitely until aborted.
Also see
Triggering
(on page 3-32)
smuX.trigger.endpulse.action
This attribute enables or disables pulse mode sweeps.
Type
TSP-Link accessible
Attribute (RW)
Yes
Usage
pulseAction = smuX.trigger.endpulse.action
smuX.trigger.endpulse.action = pulseAction
pulseAction
X
Details
When set to smuX.SOURCE_HOLD, this attribute disables pulse mode sweep, holding the source level for
remainder of step. When set to smuX.SOURCE_IDLE, this attribute enables pulse mode sweep, setting the
source level to the programmed (idle) level at the end of the pulse.
7-230
Model 2651A High Power System SourceMeter® Instrument Reference Manual
Affected by
SMU reset
Instrument reset
The trigger count is the number of times the SMU will iterate in the trigger layer for
any given sweep.
SMU channel (for example, smua.trigger.count applies to SMU Channel A).
Affected by
SMU reset
Instrument reset
The pulse mode setting; set to one of the following values (see details for definition):
1 or smuX.SOURCE_HOLD
0 or smuX.SOURCE_IDLE
SMU channel (for example, smua.trigger.endpulse.action applies to SMU
channel A)
Where saved
Default value
Not saved
1
Where saved
Default value
Not saved
smuX.SOURCE_HOLD
2651A-901-01 Rev. A / March 2011
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Troubleshooting
