Fire Terminal Board; Installation - Siemens FS720 Mounting & Installation

Installing, exchanging and connecting modules
7

Fire terminal board

7.3.2.6 X11 / X21 detector line loop 1 (module 2/3)
Pin Designation
4 LOOP1_2–
3 LOOP1_2+
2 LOOP1_1–
1 LOOP1_1+
7.3.2.7 X12 / X22 detector line loop 2 (module 2/3)
Pin Designation
4 LOOP1_2–
3 LOOP1_2+
2 LOOP1_1–
1 LOOP1_1+
7.4 Fire terminal board

7.4.1 Installation

92 | 248
Building Technologies
Fire Safety
Description
↑ Loop 1 / ↑ stub 2 (–)
Loop 1 / stub 2 (+)
Loop 1 / stub 1 (–)
Loop 1 / stub 1 (+)
Admissible cable cross-section: 0.2...1.5 mm²
Loop number without loop extension
1
X11 / X21
LOOP1_2- -
LOOP1_2+ +
LOOP1_1- -
LOOP1_1+ +
● The technical term LOOP 1 applies to both loops on connectors X11 and X21.
● One loop or two stubs can be connected.
Description
↑ Loop 1 / ↑ stub 2 (–)
Loop 1 / stub 2 (+)
Loop 1 / stub 1 (–)
Loop 1 / stub 1 (+)
Admissible cable cross-section: 0.2...1.5 mm²
Loop number without loop extension
1
X12 / X22
-
LOOP2_2-
LOOP2_2+
+
LOOP2_1- -
LOOP2_1+ +
● The technical term LOOP 2 applies to both ↑ loops on connectors X12 and
X22.
● One loop or two stubs can be connected.
The fire terminal board FTI2002-A1 is already mounted in the fire terminal in the
factory and only has to be replaced in the event of a repair.
X11
Connection – 1st Loop
Connection + 1st Loop
Connection - 1st Loop
Connection + 1st Loop
4
3
2
1
X12
Connection – 2nd Loop
Connection + 2nd Loop
Connection – 2nd Loop
Connection + 2nd Loop
4
3
2
1
X21
1
Connection – 3rd Loop
Connection + 3rd Loop
Connection - 3rd Loop
Connection + 3rd Loop
X22
1
Connection – 4th Loop
Connection + 4th Loop
Connection – 4th Loop
Connection + 4th Loop
A6V10210390_m_en_--
2018-08-29