Siemens FS720 - Page 107

Sounder module FCA2005-A1
107
Building Technologies A6V10210410_a_en_--
Fire Safety & Security Products 18.05.2009
PIN Designation Description
1 S4 out+ Sounder line 4 (+) output
2 S4 out- Sounder 4 (-) output
3 S3 out+ Sounder line 3 (+) output
4 S3 out- Sounder 3 (-) output
Admissible cable cross-section: 0.08 ... 1.5 mm²
1
2
X3
S4 out-
S4 out+
3
4
S3 out-
S3 out+
+
-
-
+
3 kΩ
3 kΩ
The terminating resistor of 3 kΩ also has to be connected even when the output is
not used.