e4595e−7
19
Fire & Security Products
Siemens Building Technologies Group
05.2003
Example:
CI1142 with 150 control zones with an average of 9 control criteria.
The point of intersection for the number of control zones (150) and the number of criteria
per control zone (9) must be within the permitted range.
Diagram ’Maximum ratings of controls’ CI1142 and CC1142
100 2000 400300 800700600500 900 1000
16
2
0
10
8
6
4
14
12
Number of criteria
per control zone
Number of
control zones
Permitted range
9
150
16 criteria per control zone
= max. 150 control zones
4 criteria (average) per control zone
= max. 600 control zones
example
CI1142 / CC1142
Diagram ’Maximum ratings of controls’ CC1143
400 8000 16001200 3200280024002000 3600 4000
16
2
0
10
8
6
4
14
12
Permitted range
CC1143
Number of criteria
per control zone
Number of
control zones
16 criteria per control zone
= max. 600 control zones
4 criteria (average) per control zone
= max. 2400 control zones
Above diagrams ’Maximum ratings of controls’ apply also for EP5 (SR1), EP5 and
EP4.
7.1.4 Max. number of ZONE time channel
Max. 16 ZONES time channel are permitted per station.