Siemens FS720 - Glossary

Glossary
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Building Technologies
A6V10210390_m_en_
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Fire Safety
2018
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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'.
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.