Electric 300-400gm Automatic School Bell System, Certification : CE Certified

1. Technology Used: Microcontroller based system design.
2. Total Bell Set: 8
a. Summer Season
b. Winter Season
c. Exam Season
d. Unit Test Season
e. Summer Vacation
f. Winter Vacation
g. Special Occasion
h. Holiday
3. Total Bell per Set: 50. Note: Each bell can be activated as per any day of the week. Each Bell Time, Duration / frequency and Bell ringing pattern can be user programmable by using keypad.
4. Bell Type:

a>Continuous On
b> 1s ON 1s OFF
c> 2s ON 2s OFF
d> 2s ON 2s OFF
e> 1s ON 1s OFF with 4s ON at the end
f> 2s ON 2s OFF with 4s ON at the end
g> 8GB memory MP3 tone (Optional)
5. Holidays: Whole year holidays can be specified into the system. Note: Date which has been specified as holiday will take holidays bell set settings automatically.
6. Total Output Load Wattage:
a. 7A 300Vac
b. 10A 125Vac
c. 10A 28Vdc
7. PC Interface: (Optional on Charge Basis)
a. RS232 1:1
b. RS485 1:32
c. TCP/IP
8. Features of the Power supply
i.) 5V Adaptor. (Standard)
ii.) UPS (Optional on Charge Basis)

• Input Voltage: 90V-280V AC
• Output voltage: 5V / 12V DC
• Current Consumption: 500mA Normal to 1A Maximum
• Battery Backup: 3 to 4 hours

9. Machine Human Interface:
4 line, 20 character per line LCD screen which shows Date/Time/Status continuously and Type of setting currently active
Beep through Buzzer
4X4 matrix Keypad for setting device parameter and user settings
10. Warranty: 12 months (Pick & Drop facility within 25 KM)