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Siemens Application Guide «Fire Mode» CM1A5192en_01
Building Technologies Application Examples 23.10.2007
4.4 Application Example 4
4.4.1 Description
• In normal operation the SED2 is controlled from the Desigo PX via bus commu-
nication using the PTE module.
• In case of fire the fire control panel signals this to the SED2, it is going in the
ESM mode and to a fixed frequency e.g. 40Hz.
4.4.2 Wiring diagram
L1 L2 L3
UVW
PE
PE
DC 10V
DC 0V
AIN2
11
10
2
28
9
DC 0V
DC 24V
AIN1
4
3
2
5
6
7
8
16
17
14
15
PTC
PTC
DIN1
DIN2
DIN3
DIN4
DIN5
DIN6
1
2
12
13
26
27
AOUT1
AOUT2
DOUT1
20
21
22
DOUT2
23
24
25
29
30
RS-485
SED2
L1
L2
L3
N
PE
F1 F1F1
M
Fire Control Panel
Desigo PX
PTE-
SED2