Glossary
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Building Technologies
009311_k_en_--
Fire Safety
2015-12-15
Glossary
Alarm device
Element in the fire detection system for acoustic
and/or visual alarming, e.g. alarm sounder,
beacon.
Alarm verification concept
Concept for preventing false alarms which takes
into account the interaction of the operating
personnel in the alarming sequence.
Alarming control
Monitoring and controlling the alarming
equipment
Alarming equipment
Alarm devices and remote transmissions
Control tree
Structure tree with control group and control.
Detection tree
Diagram of the geographical and organizational
arrangements of sensors in a building. This is a
hierarchical structure comprising the area,
section, and zone.
False alarm
Alarm not triggered by a danger.
Floor repeater display
A display device without operating elements.
Global alarming
Global alarming equipment (e.g., remote
transmission) is actuated and external
intervention forces (e.g., the fire brigade) are
alerted.
Local alarming
Local alarming equipment (e.g. acoustic or
optical) is actuated in order to call up
intervention personnel and to alert people of a
possible fire hazard.
Minor incident
Alarm situation which the operating personnel
can handle themselves and does not, therefore,
trigger global alarming.
PMI
The arrangement of operating and display
elements on a fire control panel or on a fire
terminal. Includes the LEDs, buttons, the display,
and the operation options such as the key
switch, fire brigade control and display (FBA),
and the EVAC NL Person Machine Interface.
Pre-alarm
Stage before an alarm for information early on,
should an event occur.
Site
Depiction of fire detection installation: The top
level in the figure showing the installed system.
Combines hardware tree, detection tree, and
control tree.
Station
Unit for system control. Fire control panel or fire
terminal.
Technical message
Events (e.g., from third-party systems) evaluated
via sensors or contacts which are forwarded to
the fire control panel.
Visibility
Defines which part of a site is visible and can be
operated on a station.