Siemens FS20 Mounting & Installation page 201

5.25.2.4 Cascading of two sounder modules
X6 / X5
SOUND1-
-
SOUND1+
+
X8
GND_01
-
VSYS_01 +
Periphery board
FCI2002/FCI2004
FC20xx
Building Technologies
Fire Safety
A maximum of two sounder modules may be cascaded.
X1
4 -
3 +
2 -
+
1
FCA2005
X1
4 -
3 +
2 -
+
1
FCA2005
Figure 108: Cascading of two sounder modules FCA2005-A1
Mounting and installation of the compact control panels
Sound In- S2 out+
Sound In+
S2 out-
Ground
S1 out+
Vsys
S1 out-
S4 out+
S4 out-
S3 out+
S3 out-
Sound In- S2 out+
Sound In+
S2 out-
Ground
S1 out+
Vsys
S1 out-
S4 out+
S4 out-
S3 out+
S3 out-
5
Sounder module
X2
1
+
3 kΩ
2
-
+
3
3 kΩ
-
4
X3
1
+
3 kΩ
2
-
+
3
3 kΩ
- 4
X2
1
+
3 kΩ
2
-
+
3
3 kΩ
-
4
X3
1
+
3 kΩ
2
-
+
3
3 kΩ
- 4
201 | 354
008851_s_en_--
2016-01-27