9
144 | 184
9.4 Evaluation
The evaluation of the ↑ danger level and the decision to trigger an 'ALARM' or not
takes place in the 'Zone'.
The danger levels of several alarming detectors are combined in the 'Zone'. The
following zone types exist:
● 'Manual zone'
● 'Automatic zone'
● 'Technical zone'
● 'FSE zone'
● 'Sprinkler zone'
● 'XC10 zone'
Figure 18: Information flow of alarm and ↑ pre-alarm
D ↑ 'Detection tree'
1 'Area'
2 ↑ 'Section'
3 'Zone'
m 'Manual zone'
ax Automatic detector zone with ↑ multi-detector dependency
a1 Automatic detector zone with single-detector dependency
I/O 'Technical zone'
Dashed arrows 'ALARM'/'Pre-ALARM'