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Chapter 8—Waveform and Event Capture 63230-300-212
How the Circuit Monitor Captures an Event April 2001
© 2001 Schneider Electric All Rights Reserved
112
When the circuit monitor senses the trigger—that is, when the digital input
transitions from
OFF to ON, or an alarm condition is met—the circuit monitor
transfers the cycle data from its data buffer into the memory allocated for
event captures. The number of cycles or seconds it saves depends on the
number of cycles or seconds you selected.
Figure 8–1 shows an event capture. In this example, the circuit monitor was
monitoring a 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