Source-Measure Concepts 5-7
The manually set delay (up to 9999.999 sec) is available to compensate for longer settling
required by external circuitry. The more capacitance seen at the output, the more settling time is
required for the source. The actual delay period needed can be calculated or determined by trial
and error. For purely resistive loads and at higher current levels, the programmable delay can
be set to 0msec.
The measure time depends on the selected measurement speed. For example, if speed is set
at 0.01 PLC (power line cycles), the measure time would be 167µsec for 60Hz operation
(0.01/60).
Arm
Layer
Trigger
Layer
Event
Event
:idle
Trig
Trig
S
D
M
Source
Delay
Measure
See Section 11
for trigger model details.
Figure 5-2
Simplified
trigger model
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