58 en | Installation/Configuration Notes Modular Fire Panel
F.01U.028.089 | 5.4 | 2009.08 Product Information Bosch Sicherheitssysteme GmbH
Figure 3.2 Diagram for calculating the maximum achievable cable length, using elements with LSN
improved
technology and the LSN 0300 A
0
0
0
2
0
0
4
0
06
0
08
0
0
01
0021
0041
00
61
0
0
81
0002
L[m]
0
52042032
0
22012
0
020
9
10
8
1
0
7
1
0
6
105
1
0410310
2
101
1
00109
080
706
0
50
4
0302
0
10
Am1
Am3
A
m4
A
m7
,0
Am2
Am5
,
2
Am5
Am01
Am02
A
m
5,7
Am562,0
Am573,0
Am5,0
Am5,1
N
a
b
c
d
L = Cable length in meters
N = Number of LSN
improved
elements
a = 1600 m limit
b = Bus dynamic limit
c = Maximum possible number of LSN
improved
elements = 254
d = 300 mA limit
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 cable must not exceed the limit of 1600 m!
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