Glossary - Siemens FS720 Mounting & Installation

Glossary

Detector line
Electrical connection between the detectors and
the fire control panel. There are collective
detector lines and addressed detector lines.
Line card
Card for connecting peripheral devices. The card
can be a plug-in card or it can be integrated into
the periphery board.
Loop
Detector line topology which runs from the fire
control panel via the fire detectors and back to
improve operational reliability. This type of wiring
allows all detectors to communicate with the
control panel even in the event of an open line or
short-circuit.
Network module (SAFEDLINK)
FS20/FS720 network card.
Normal operation
The fire detection installation is supplied with
mains voltage.
Normally closed contact
Opens a power circuit when activated.
Normally open contact
Closes a power circuit when activated.
Remote transmission
Remote transmission.
RT
The abbreviation for remote transmission.
RT
The abbreviation for 'remote transmission'.
Building Technologies
Fire Safety
Station
Unit for system control. Fire control panel or fire
terminal.
Stub
Detector line which is only connected to the fire
control panel on one side. In the event of an
open line or short-circuit, it may no longer be
possible for all fire detectors to communicate
with the fire control panel.
VdS
Abbreviation for 'Vertrauen durch Sicherheit', a
company in the Gesamtverband der Deutschen
Versicherungswirtschaft e.V. (GDV). Inspection
and certification body for fire detection systems
in Germany.
Glossary
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2015-12-15