Siemens FT724 - Page 137

System description
Topology
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Building Technologies
A6V10211076_i_en_
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Fire Safety
2015
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↑ Effects in ↑ 'Control tree' example
C 'Control tree'
1 5 control groups (a - e)
2 Controls
3 Devices and remote transmission, 2 circuits
Lines Logical ↑ link
Arrows Signal transfer
a 'Evac control group'
b 'Fire control group', e.g., for door controls
c 'Fire control group' for alarm indicators (external AI)
d 'Fire control group' for commands
X E.g., ↑ switching off, commands to other parts in the site
e 'Alarming control group' for ↑ alarm devices and remote transmission
Y ↑ Local or ↑ global alarming