Siemens FS720 Mounting & Installation page 159

Building Technologies
Fire Safety
Switching for RE response in accordance with ↑ VdS
27V2
0V
FireOutput1+
UE _Rückmeldung
Figure 87: Switching for RE response in accordance with VdS
ST Fault contact of the transmission device
Switching for monitored remote transmission
UE_Fault+
X11
UE_Fault-
Figure 88: 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)
X11
FireOutput2-
FireOutput2+
FireOutput1-
FireOutput1+
Figure 89: 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
Installing, exchanging and connecting modules
+
4
-
1
5
+
7
Rcable
+ 5
Rload
1
- 6
Example horn output
1
- 8
Rload
Reol
Rcable
+ 7
- 6
+ 5
6
Module bus cards
2
Example alarm output
Rload
Reol
Rcable
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A6V10210390_j_en_--
2015-12-15