Siemens FS720 Quick Reference For Components / Pin Assignment page 57

10.2.4 X7 RT alarm and RT fault changeover contacts
Building Technologies
Fire Safety & Security Products
PIN Designation
6 FAU_NC
5 FAU_COM
4 FAU_NO
3 AL_NC
2 AL_COM
1 AL_NO
Admissible cable cross-section: 0.2 ... 1.5 mm²
FAU_NC
FAU_COM
FAU_NO
AL_NC
AL_COM
AL_NO
1 Remote transmission
FAU_... Relay in normal operation = contact 5/4 closed
AL_... Relay in normal operation = contact 2/3 closed
Periphery board (4 loops) FCI2004-A1
Description
RT fault break contact (normally closed)
RT fault center tap (common)
RT fault make contact (normally open)
RT alarm break contact (normally closed)
RT alarm center tap (common)
RT alarm make contact (normally open)
X7
6
5
1
4
3
1
2
1
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A6V10210410_a_en_--
18.05.2009