Siemens FS720 - Pin Assignments

Installing, exchanging and connectin
g modules
Sounder module
7
203 |
248
Building Technologies
A6V10210390_m_en_
--
Fire Safety
2018
-
08
-
29
7.24.2 Pin assignments
7.24.2.1 X1 supply input and sounder input from the periphery
board
X1 sounder module Periphery board
2 loops
Periphery board
4 loops
Pin Designation Description Pin Designation Pin Designation
1 +Vsys
Supply input from the
periphery board (+)
X8-5 VSYS_01 (+) X8-7 VSYS_01 (+)
2 Ground
Supply input from the
periphery board (-)
X8-6 GND_01 (-) X8-8 GND_01 (-)
3 Sound In +
Sounder input from the
periphery board (+)
X6-1 SOUND1+ X5-1 SOUND1+
4 Sound In -
Sounder input from the
periphery board (-)
X6-2 SOUND1- X5-2 SOUND1-
Permissible conductor cross-section: 0.2…1.5 mm²
7.24.2.2 X2 sounder 1 and 2 outputs
Pin Designation Description
1 S2 out+ Sounder output 2 (+)
2 S2 out- Sounder output 2 (-)
3 S1 out+ Sounder output 1 (+)
4 S1 out- Sounder output 1 (-)
Permissible conductor cross-section: 0.2…1.5 mm²
The terminating resistor of 3 kΩ has to be connected even when the output is not in
use.
1
2
X1
Ground
Vsys
3
4
Sound In-
Sound In+
-
+
1
2
X2
S2 out-
S2 out+
3
4S1 out-
S1 out+
+
-
-
+
3 k
Ω
3 k
Ω