exchanging and connecting modules
7
92 | 248
7.3.2.6 X11 / X21 detector line loop 1 (module 2/3)
Pin Designation Description X11 X21
1
4 LOOP1_2– ↑ Loop 1 / ↑ stub 2 (–) Connection – 1st Loop Connection – 3rd Loop
3 LOOP1_2+ Loop 1 / stub 2 (+) Connection + 1st Loop Connection + 3rd Loop
2 LOOP1_1– Loop 1 / stub 1 (–) Connection - 1st Loop Connection - 3rd Loop
1 LOOP1_1+ Loop 1 / stub 1 (+) Connection + 1st Loop Connection + 3rd Loop
Admissible cable cross-section: 0.2…1.5 mm²
1
Loop number without loop extension
● The technical term LOOP 1 applies to both loops on connectors X11 and X21.
● One loop or two stubs can be connected.
7.3.2.7 X12 / X22 detector line loop 2 (module 2/3)
Pin Designation Description X12 X22
1
4 LOOP1_2– ↑ Loop 1 / ↑ stub 2 (–) Connection – 2nd Loop Connection – 4th Loop
3 LOOP1_2+ Loop 1 / stub 2 (+) Connection + 2nd Loop Connection + 4th Loop
2 LOOP1_1– Loop 1 / stub 1 (–) Connection – 2nd Loop Connection – 4th Loop
1 LOOP1_1+ Loop 1 / stub 1 (+) Connection + 2nd Loop Connection + 4th Loop
Admissible cable cross-section: 0.2…1.5 mm²
1
Loop number without loop extension
● The technical term LOOP 2 applies to both ↑ loops on connectors X12 and
X22.
● One loop or two stubs can be connected.
7.4 Fire terminal board
7.4.1 Installation
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.
+
-
3
4
+
-
1
2
X11 / X21
LOOP1_1+
LOOP1_1-
LOOP1_2+
LOOP1_2-
-
3
4
+
-
1
2
X12 / X22
LOOP2_1+
LOOP2_1-
LOOP2_2+
LOOP2_2-
+
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