Siemens FS720 Quick Reference For Components / Pin Assignment page 107

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