Bosch FPA-5000 System Information Manual page 34

34 en | Planning
L [m]
3200
3000
2800
2600
2400
2200
2000
1800
1600
1400
1200
1000
20mA
800
10mA
600
7,5mA
400
200
0
0 10 20 30
Figure 3.4: Diagram for determining the maximum achievable cable length: LSN improved elements with LSN 1500 A
L =
N =
a =
b =
09.2017 | 11.3 | F.01U.028.089
a
5mA
4mA 3mA
40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 250
cable length in meters
number of LSN improved elements
Bus dynamic limit
maximum possible number of LSN improved elements = 254
2,5mA
2mA
System Information
Modular Fire Panel
0,265mA
0375mA
0,5mA
0,7mA
1,25mA
1,5mA 1mA
N
Bosch Sicherheitssysteme GmbH