Schneider Electric 4000 HOW THE CIRCUIT MONITOR CAPTURES AN EVENT

Chapter 8—Waveformand Event Capture 63230-300-212
How the Circuit Monitor Capt ures an Event April 2001
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When the circuitmonitor senses the trigger—that is, when the digital input
transitionsfrom OFF to ON, or an alarm condition is met—the circuitmonitor
transfersthe cycle data from its databuffer into the memory allocated for
eventcaptures. The number of cycles or seconds it saves dependson the
number ofcycles or seconds you selected.
Figure 8–1 shows an even t capture. In this exampl e, the circuit monito rw as
monitoringa constant load when a utility fault occurred,followed by a return
to normal.
Figure 8–1: Event capture initiated from a high-speed input
HOW THE CIRCUIT MONITOR
CAPTURES AN EVENT