5347

SMOKE DETECTOR

with INTERCONNECT

and TIMER

115 Northeast Cutoff, Box 15036

Worcester, Massachusetts 01615-0036 (508) 853-5000

TIMING DIAGRAMS IN TYPICAL APPLICATION

NON-TIMER MODE

TIMER MODE

1.67 s

10 ms

V12

OSC. CAP

INTERNAL

CLOCK

LED

HORN

Dwg. WC-005

LED

ON

TIMER

START

TIMER

OUT

6 CLOCK CYCLES

368 CLOCK CYCLES

END OF TIMER

NOTIFICATION

OUTPUTS OFF (HIGH Z)

NO ALARM

NO LOW BATTERY

STANDBY MODE

1.67 s

10 ms

40 ms

24 CLOCK CYCLES

V15 > V13 (NO SMOKE)

V15 < V13 (SMOKE)

V12

OSC. CAP

INTERNAL

CLOCK

LED

SMOKE

COMPARATOR

SMOKE

CHAMBER

HORN

SAMPLE

ALARM

NO LOW BATTERY

30 CLOCK CYCLES

LOW BATTERY

WARNING

HORN

ON

OFF

ALARM AND

LOW BATTERY

NO ALARM

LOW BATTERY

Dwg. WC-003

24 CLOCK CYCLES

LED OFF

LED

ON

12 CLOCK CYCLES

6 CLOCK CYCLES

6 CLOCK CYCLES