Page 1
MXA077 TIME DELAY DOOR ALARM
MXA077 àµ×͹à»Ô´»Ãе٤ˆÒ§Ë¹‡Ç§àÇÅÒ
This circuit is used to alarm when you leave the door or window open everywhere such as the airconditioned room, car door, etc.
FEATURES
- Power supply : 9-12VDC.
- Consumption : 1.9
µA (standby) @ 9VDC, 60mA (working) @ 9VDC.
- Duration of delay time before alarm : 10-160 seconds.
- Included the magnetic switch in this set.
- PCB dimensions : 2.81x1.84 in.
CONNECTING POINTS
- 9VDC point to be connected to power supply.
- S1 point to be connected to the magnetic switch.
- LED is shown the status of circuit operation.
- Jumper JP1 is used for selecting the mode of circuit operation. The circuit will operate with time delay
when JP1 is connected. And if JP1 is disconnected, it will operate immediately.
- VR1 is used to set the delay time.
- VR2 is used to adjust the high tone of buzzer sound.
- VR3 is used to adjust the low tone of buzzer sound.
З§¨ГаµЧН¹а»Ф´»ГРµЩ¤йТ§ªШ´¹Хй а»з¹З§¨ГНа¹¡»ГРК§¤м ·ХиКТБТГ¶¹Уд»µФ´µСй§ а¾ЧиНаµЧН¹¡ТГа»Ф´»ГРµЩЛГЧНЛ¹йТµиТ§¤йТ§дЗй
µТБ·ХиµиТ§ж аªи¹ КУ¹С¡§Т¹ ºйТ¹аГЧН¹ Г¶В¹µм ПЕП
¤Ø³ÊÁºÑµÔ
- гªˆд¿аЕХйВ§З§¨Г 9-12 вЗЕ·м´Х«Х
- ¢³РКбµ¹´мºТВ ¡Ф¹¡ГРбККЩ§КШ´»ГРБТ³ 1.9 дБв¤ГбНБ»м ·Хи 9 вЗЕ·м´Х«Х
- ¢³Р·У§Т¹ ¡Ф¹¡ГРбККЩ
- КТБТГ¶»ГСº¡ТГЛ¹иЗ§аЗЕТ¡иН¹ºС«а«НГм´С§ д´йµСй§бµи 10-160 ЗФ¹Т·Х
- БХКЗФµ«мбБиаЛЕз¡¨С´БТгЛйАТВг¹ªШ´
- ¢¹Ò´á¼è¹Ç§¨Ã¾ÔÁ¾ì 2.81x1.84 ¹ÔéÇ
¨Ø´µèÍãªé§Ò¹
- ¨Ø´ 9V à»ç¹¨Ø´ÃѺáç´Ñ¹
- ¨Ш´ S1 гªйКУЛГСºµиНКЗФµ«мбБиаЛЕз
- LED гªйКУЛГСºбК´§¡ТГ·У§Т¹¢Н§З§¨Г
- JP1 ¶йТ¨СкБ ¨Ра»з¹¡ТГгªй§Т¹З§¨ГЛ¹иЗ§аЗЕТ бµи¶йТдБи¨СкБ ¨РдБиБХ¡ТГЛ¹иЗ§аЗЕТ
- VR1 гªйКУЛГСº»ГСºГРВРаЗЕТ¡ТГЛ¹иЗ§
- VR2 »ÃѺàÊÕ§ºÑ«à«ÍÃìã¹â·¹ÊÙ§
- VR3 »ÃѺàÊÕ§ºÑ«à«ÍÃìã¹â·¹µèÓ
§КШ´»ГРБТ³ 60 БФЕЕФбНБ»м ·Хи 9 вЗЕ·м´Х«Х
¡
CIRCUIT DIAGRAM
INSTALLATION OF THE TIME DELAY DOOR ALARM CIRCUIT
DOOR
+
9-12VDC
-
Disconnection
Connection
MXA077
Jumper JP1
NO.1
Loading...