IO as Output
IO as Input
Note 1: Smoke is not sampled when the horn is active. Horn cycle is self completing in local alarm, but not in
2: Low battery warning chirp is suppressed in local or remote alarm.
3: IO Dump active only in local alarm, inactive if external alarm.
RE46C145 Timing Diagram – Local Alarm, Horn and Interconnect Timings.
Local Alarm Timing (not to scale)
Local or Remote Alarm
Horn Temporal Pattern
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