DL200 Datasheet, PDF (657/670 Pages) Motorola, Inc – Sensor

Freescale Semiconductor, Inc.
OSC
PIN 12
SMOKE – N
–Y
LOW BAT – Y
–N
1 23 45 67 8 9
23 24 1
NO SMOKE, LOW BATTERY
NO SMK
NO LOW BAT
6
12
18
24
SMOKE
LATCH ALARM CONDITION
HYST
PIN 13
% [( 100 mV LEVEL SHIFT)
MC145018
OSC
PIN 12
SMOKE – N
–Y
NO SMK
LOW BAT – Y
–N
HORN – ON
– OFF
LED – OFF
– ON
& LOW BATTERY CHIRP
24 CLOCKS
& NFPA MOD
24 CLOCKS
(NOTE 1)
HORN – ON
– OFF
LED – OFF
– ON
Figure 6. MC145018 Timing Diagram
NOTES:
1. Horn modulation is self–completing. When going from smoke to no smoke, the alarm condition will terminate only when horn is off.
2. Comparators are strobed once per cycle (1.65 sec for no smoke, 40 msec for smoke).
3. For timing under remote conditions, refer to MC14468 data sheet.
NFPA72: TEMPORAL HORN
MODULATION PATTERN
0.5 SEC
0.5 SEC
0.5 SEC
0.5 SEC
0.5 SEC
1.5 SEC
167 msec
TRADITIONAL 4/6 HORN
MODULATION PATTERN
83 msec
Figure 7. Horn Modulation
Motorola Sensor Device Data _{For Mor}w_eww_In.m_foot_ro_mro_ala_t.c_ioom_n/s_Oem_nic_To_hnd_isuc_Pto_rr_os _duct,
Go to: www.freescale.com
4–65