AL (1,2,3)
and inverse
video of the
detector
AL (1,2,3)
and inverse
video of the
detector
(a): Manual release compulsory to stop the internal buzzer.
(b): Automatic deactivation upon alarm disappearance, even if no release has been requested
before the alarm disappearance.
(c): If programmed
Table 2: Automatic deletion of alarms.
Manual deletion of alarms
Release (resetting) by the operator is compulsory. The management of alarms
(relay, indicator, buzzer) is carried out according to the following table:
AL(1,2,3)
and inverse
video of
detector
AL(1,2,3)
and inverse
video of the
detector
Activated in
the presence
of an event
Fixed light if
an event is
present
AL(1,2,3)
and inverse
video of the
detector
Deactivated
if the event
disappears
Off if an
event
disapears
(1): compulsory after manual release.
Table 3: Manual alarm deletion.
Internal relays and buzzers
The operating mode of relays and optional visual and sound alarms (Figure
11, F and G) is configured over the COM 43 application.
■ Relays: 5 alarm relays (R1 to R5) are common to all the lines.
■ The internal buzzer is common to all the alarms of all the lines: it is
activated on the appearance of an event (failure or alarm). The common
failure relay is active in parallel. The sound frequency of the internal buzzer
differs in accordance with the alarm threshold. High alarm thresholds have
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