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Siemens FS20 - Page 86

Siemens FS20
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Mounting and installation of the compact control panels
Periphery board (4 loops)
5
86 | 354
Building Technologies
008851_s_en_
--
Fire Safety
2016
-
-
27
All inputs/outputs can be connected as follows:
1 Configured as output
2 Configured as input
5.4.2.6 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.
+
-
3
4
+
-
1
2
X11 / X21
LOOP1_1+
LOOP1_1-
LOOP1_2+
LOOP1_2-

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