11.1 Using the External Control Terminal
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Chapter 11 Connecting External
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By inputting a signal to the event input terminal externally, you can make the PW3198 determine that an
external event has occurred when that event was input. Similar to other events, you can record the volt-
age and current waveforms, and the measurement values of external events.
Using this device, you can analyze power anomalies that occur in other electrical equipment.
Short-circuit the terminal or input a pulse signal.
Use the event input terminal (EVENT IN) and the ground terminal (GND).
You can control the event input terminal by short-circuiting the terminal (active LOW) or dropping the
pulse signal (1.0 V).
Using the event input terminal (EVENT IN)
To avoid damaging this device, do not input voltages outside the range -
0.5 V to +6.0 V to the external control terminals.
Signal input methods
Input voltage range HIGH level : 3.0 to 5.0 V
LOW level : 0 to 0.8 V
Maximum input voltage -0.5 to +6.0 V
30ms or more
170 ms or more
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