User Manual

2400 Series SourceMeter
®
User’s Manual Triggering 11-15
Detector until an input trigger is received, and then it will hold up at the Measure
Event Detector until another input trigger is received.
Trigger delay
A programmable delay is available before the Source Action. The Trigger Delay
can be manually set from 0.00000 to 999.99990 seconds. Note that this delay is
separate from the Delay Action of the SDM cycle. The Delay Action is discussed
next.
Source, delay, and measure actions
The SDM cycle of the SourceMeter consists of three actions: Source, Delay, and
Measure:
SOURCE Action — Any programmed output voltage or current level changes are
performed.
DELAY Action — This programmable delay is used to allow the source to settle
before a measurement is performed. It can be manually set from 0.00000 to
9999.99900 seconds, or Auto Delay can be enabled. With Auto Delay enabled,
the SourceMeter automatically selects a nominal delay period based on the
selected function and range.
NOTE In the :SYSTem:RCMode MULTiple mode, the soak time programmed
with :SOURce[1]:SOAK takes the place of the delay time only during the
first SDM cycle after the initial sweep trigger. See
Section 18.
MEASURE Action — During this phase of the SDM cycle, the measurement pro-
cess takes place. If the repeat filter is enabled, as shown in Figure 11-4, the instru-
ment samples the specified number of reading conversions to yield a single
filtered reading (measurement). If using the moving filter or if the filter is disabled,
only a single reading conversion will yield a reading.