System description
Acquisition
9
143 | 184
Building Technologies
A6V10211076_i_en_--
Fire Safety
2015-12-15
9.3 Acquisition
The detectors detect the fire phenomena, e.g., smoke, heat, or carbon monoxide,
and transmit the ↑ danger level to the 'Zone'.
Figure 17: Information flow of the ↑ danger levels
D
↑ 'Detection tree'
a
Detector / channel
b
'Zone'
0…3 Danger levels
Overview of ↑ danger levels, divided according to line type and
detector type
Danger level
Addressed detector line
↑ Collective detector line Technical input
Automatic
Manual
0
No danger
No danger
No danger
No danger (entry contact opened)
1
Possible danger Button not
pressed
↑ Detector line resetting –
2
Probable
danger
–
Alarm verification of the
first alarm is running
Danger
● Input contact closed
● Input configured as not
relevant for degraded mode
3
Highly probable
danger
Button
pressed,
danger
Highly probable danger Danger
● Input contact closed
● Input configured as not
relevant for degraded mode
Table 8: Danger levels