System Characteristics
System Description, Autroprime Interactive Fire Detection System, 116-P-APRIME-SYSTEMD/XGB 2007-10-10,
Autronica Fire and Security AS
Page 9
2.9 Detection Loops
Autroprime uses the Al_Com Loop Technology (used in the
AutroSafe system) for the communication with detection loops.
• The maximum number of detection loops are 2 for land variants
(standard panel and panel for agrilcultural applications) and 4 for
the maritime variant.
• The panel supports branch-offs on the loop. If necessary, a branch-
off can be connected to a detection loop if the existing cable layout
requires this. The maximum number of loop units on a branch is 32.
2.10 Zoning Concept
2.10.1 General
The term “zone” describes the zonal concept of the system. Assigning
system components to zones enables control from detection to
activation of alarm. The following zones apply:
• Detection Zone (DZ)
• Alarm Zone (AZ)
• Neighbour Alarm Zone
2.10.2 Detection Zone
A Detection Zone (DZ) is defined as a zone with one or more points
(detectors or manual callpoints) that logically belong together,
determined by geographical/functional parameters (for example, the
sales department on the second floor).
A point can only be assigned to one Detection Zone, and can only
refer to one specific location in the system (for example, a specific
office on the second floor in a building).
The Detection Zone will be the trigger to generate outputs to the
Alarm Zone.
2.10.3 Alarm Zone
An Alarm Zone (AZ) is activated by one or several Detection Zones.
Example:
An alarm from one of the devices in DZ3 will activate Fire Alarm
Devices in AZ1.
Within the same alarm zone, alarm sounders give the same audible
signal.
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