requirements, and is a specific requirement for UK
Commercial installations. The requirement stipulates
that an alarm will only be deemed to be a confirmed
alarm if it meets the following condition:
After an initial zone alarm has been activated and
before the alarm confirmation time has expired, a
second zone alarm is activated. The alarm confirmation
time must be between 30 and 60 minutes. (See Timers
[➙ 160])
If a second zone alarm is not activated within the Alarm
confirmation time, then the first zone alarm will be
inhibited. The DD243 confirmation option is
automatically set whenever the Standards -> Region
option is set to UK.
EN-50131-9
This will enforce compliance with the EN-50131-9
standard and the Spanish “INT/316/2011 Order of 1
February on the operation of alarm systems in the field
of private security”. This requirement stipulates that an
alarm will only be deemed to be a confirmed alarm if it
meets the following conditions:
- 3 zone activations in 30 minutes (default), whereby
two activations may come from the same device if the
activations differ in type, i.e. alarm / tamper.
- 1 Alarm activation followed by an ATS[1] Fault within
30 minutes (default).
- ATS fault followed by a tamper or alarm condition
within 30 minutes (default).
If the 30 minutes expires and the zone is restored to its
normal physical state, then the zone’s alerts will be
restored if a level 2 user can restore this alert. In this
case, the zone will accept a new alert condition which
will cause a new activation.
Alternatively, if the zone has not been restored to its
normal physical state then that zone will be inhibited if
that zone is allowed to be inhibited.
If an alert (ATS) reoccurs after the 30 minute window
(default), then the 30 minute timer will restart.
The EN50131-9 confirmation option is automatically set
whenever the Standards -> Region option is set to
Spain.
If enabled, an alarm is raised if any entry/exit zone is still
open when the exit timer expires. If unchecked, the system
will fail to set if any entry/exit zone is still open.
Note: Only available when ‘Unrestricted’ grade is selected in
‘Standard Compliance Settings’, as setting is not in
accordance with EN50131.
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