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3.3 REMOTE SUPPLY DETECTION (C)
In accordance with standard EN50131-4, the siren system continuously
monitors the presence of power supplied from the control unit, and if there is no
power supply, generates an acoustic alarm.
If the siren is powered off voltage not buffered by the control unit battery, this
feature can be turned off to prevent annoying acoustic alarms every time that
no line power supply is detected.
NOTE: To ensure compliance with EN50131-4, however, this feature must be active.
3.4 INPUT REFERENCE PROGRAMMING (D)
This function allows programming the reference of AL and S inputs to positive or
negative.
3.5 ALARMS COUNT PROGRAMMING (E)
This function allows enabling a max number of 5 alarms within 24h, or allows
excluding the count, namely upon every block absence, an alarm will be
generated.
An alarm is taken into account only if its length is more than 24 seconds.
The count is reset upon every system deactivation or every 24h.
NOTE:
Function not allowed by the standards EN50131; if the option of alarms count is chosen, the S
connection is mandatory.
3.6 SCAFFOLDS FUNCTION PROGRAMMING (F)
This function activates the flash blinking (a double blink every 2.5 s) with active
system (namely when the signal is not present on terminal S).
NOTE:
Function not allowed by the standards EN50131;
is enabled, the "S" signal is mandatory.
NOTE: under low battery conditions, the flash blinking is deactivated if the siren is not powered, in order to
save the remaining charge.
4.0 FLASHLIGHT FUNCTION
A LED technology flashing light is integrated in the sirens HPA700P, combining longer life with reduced
consumption, and allowing for extended battery operating time.
The flashlight blinks every 1 second during the alarm condition. If input "S" is used (which will imply the loss of
conformity to EN50131 standards) it will blink every 5 seconds after the alarm to indicate memory storage of
the alarm.
In addition, if the scaffolds function is enabled, the flashlight blinks twice every 2.5 seconds to indicate an
active system state.
When battery power goes below 11.5V, all flashing is discontinued to preserve any residual battery charge.
In case of discharged battery (below the 11.5V threshold), the flash blinking is stopped to save the remaining
energy in favour of the acoustic alarm.
if the scaffolds function
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Detecting
C
Remote supply
CL.
Enabled
OP.
Disabled
D
Input Reference
CL.
To positive
OP.
To negative
E
Alarms Count
CL.
Disabled
OP.
Enabled
F
Scaffolds Function
CL.
Disabled
OP.
Enabled
HPA700P
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