Siemens FS20 - Page 201

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