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MODULATED AND INTERMITTENT ELECTRONIC BUZZER 12V DC

-PROTECTION AGAINST WATER AND DUST IP54
-WORKING TEMPERATURE -30° C ÷ 80° C
-STORAGE TEMPERATURE -40° C ÷ 80° C

CEE 89/336


INDEX BY APPLICATION

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PN TONE MINIMUM SOUND PRESSURE
cm. 60
OPERATING FREQUENCY CONNECTION BOARD VOLTAGE ABSORBED CURRENT WIRING DIAGRAM
37.012.000 INTERMITTENT
2,5Hz ± 10%
12 V - 90 dB 3000 Hz   500  37012000_small.gif 9 - 15 V 240 mA 37012000_small1.jpg
37.036.000 TIME-DELAY BUZZER 100 dB  5 3200 Hz   500  37036000_small.gif 8 - 16 V 70 mA 37012000_small.jpg

Inserire schema elettrico giusto

LEGENDA
Ak,
allarm state due to "key off" and "hand brake released".
Ah,
allarm state due to "key on", "missing operator" and "hand brake released".
Ap,
allarm state due to "key off", "missing operator" and "PTO ON".
Af,
direct alarm

OPERATING
The output timing is activated by the alarm state (the alarm state is not an output signal but is only an internal condition).
The activation of one alarm state Ak, Ah, Ap,or Af triggers the internal buzzer signal with a delay "Ta" of 1 sec. The acoustic signal due toAk, Ah and Ap shall have a duration "T" of 10 sec. With 50% intermittent sound and period 1 the acoustic signal due to Af shall last till Af shall be active whith 50% intermittent sound and period 1 sec. The alarm output signal shall be interrupted during the period of activation if the alarm state Ak, Ah, Ap or Af that caused the activation ceases for a period of time longer than 0,5 sec.
To trigger a new output signal each alarm state Ak, Ah, Ap or Af shall remain not active for a period of time longer than 0,5 sec. If at time T=T1 of an active output signal a new alarm condition is generated, the active period of the output signal shall be extended of a period "T".