Siemens FS720 - Page 188

Installing, exchanging and connecting modules
Module bus cards
7
188 | 248
Building Technologies
A6V10210390_m_en_
--
Fire Safety
2018
-
08
-
29
Switching for RE response in accordance with ↑ VdS
Figure 106: Switching for RE response in accordance with VdS
ST Fault contact of the transmission device
Switching for monitored remote transmission
Figure 107: Switching for monitored remote transmission
Rload Load resistance
Rcable Line resistance
1 Remote transmission
Switching variants for monitored alarm and horn outputs with
decoupled load (EN 54)
Figure 108: Switching examples for monitored alarm and horn outputs with decoupled load (EN 54)
Rload Load resistance
Rcable Line resistance
Reol Termination resistor
1 Standard EOL
2 EOL with decoupled load
5FireOutput1+
0V
27V2
-
+
1
4
UE _Rückmeldung
+
7
5
6
UE_Fault+ +
-
X11
UE_Fault-
1
Rload
Rcable
Rload
+
-
5
6
FireOutput2-
FireOutput2+ +
-
7
8
FireOutput1-
FireOutput1+
X11
Rcable
Reol
Example horn output
Example alarm output
Reol
Rcable
1
2
Rload