Siemens FT724 User Manual

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

Siemens FT724 Specifications

General

Brand	Siemens
Model	FT724
Category	Control Panel
Language	English