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User manual

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5-14 Pulse Mode Operation (Model 2430 only) 2400 Series SourceMeter
®
User’s Manual
Trigger delay
In the DC Mode, the trigger delay is a user set delay that occurs between the trig-
ger and pulse operations. In the Pulse Mode, trigger delay is not used. You can
set the trigger delay while in the Pulse Mode, but it will not be used until you go
back into the DC Mode. See Section 11 for details on triggering. For remote oper-
ation, the delay set by :TRIGger:DELay <n> is ignored in the Pulse Mode.
Input triggers
In the DC Mode, you can enable the source, delay or measure input event detec-
tors. See Section 11 for details on triggering.
In the pulse mode, you can enable the source, delay, or measure input event
detectors. However, these event detectors do not correlate to source, delay, and
measure actions as in DC mode. In pulse mode, all three event detectors occur
prior to the pulse action. Please refer to “Pulse Mode triggering (Model 2430),”
page 11-20 for more details.
Output triggers
In the DC Mode, you can configure the SourceMeter to output a trigger after the
source, delay and/or measure operation. See Section 11 for details on triggering.
In pulse mode, you can enable the source, delay, and/or measure output triggers.
The source and delay triggers occur consecutively at the start of the pulse output.
This was synchronized beginning with firmware revision C27. Prior to this revi-
sion, the source and delay output triggers would occur before the source action. In
all firmware revisions, the measure output trigger occurs after the pulse action has
been completed. Please refer to “Pulse Mode triggering (Model 2430),”
page 11-20 for more details.
Auto output-off
For the DC Mode, with auto output-off enabled, the output will turn on at the
beginning of each SDM cycle and turn off after each measurement is completed.
See Section 13, “Output-off states,” for details on auto output-off.
While in the Pulse Mode, auto output-off is always enabled. For remote operation,
you can send the :SOURce:CLEar:AUTO OFF command to disable auto output-
off, but it will be ignored.