Bosch FPA-5000 - Remote services

60 en | Installation/Configuration Notes Modular Fire Panel
F.01U.028.089 | 5.4 | 2009.08 Product Information Bosch Sicherheitssysteme GmbH
Figure 3.3 Diagram for calculating the maximum achievable cable length, using elements with classic LSN
technology and the LSN 1500 A
0
200
400
600
800
1000
1200
1400
1600
1800
2000
2200
2400
2600
2800
3000
3200
0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 115 120 125 130
L [m]
0,7mA
1mA
1,5mA
20mA
10mA
7,5mA
5mA
2mA
4mA
4,5mA
2,5mA
3mA
3,5mA
b = 127
1,25mA
0,4mA
300mA
a
L = Cable length in meters
N = Number of LSN elements
a = 3000 m limit
b = Maximum possible number of LSN elements = 127
NOTICE!
Remote alarm indications activated by the detector C point:
A maximum 500 m of additional cable length is allowed when using remote displays (e.g.
MPA/FAA-420-RI).
The total length of installed line must not exceed the limit of 3000 m!