Siemens FDL241-9 - Connection to an Addressed Detector Line; Use of Unshielded Cables

Mounting / Installation
5
Electrical connection
56
Building Technologies 007016_i_en_--
Fire Safety 2012-09-07
5.3.1 Connection to an addressed detector line
The following applies to FDnet/C-NET detector lines:
 Loops, stubs and T-branches are possible.
 You may only connect external alarm indicators to one detector.
 Permissible cables for detectors with more than one external alarm indicator
according to the collective connection diagram may be migrated to the
FDnet/C-NET without any changes.
 Note document 001508 for installation (calculation of the capacity layer).
5.3.1.1 Use of unshielded cables
The connection is established from base to base using twisted or non-twisted wire
pairs.
LINE
+
-
-
+
1
2
3
4
2
+
4
+
LINE
++
__
+
_
LINE
++
__
+
_
LINE
++
__
+
_
LINE
++
__
+
_
LINE
++
__
+
_
Connection diagram for addressed detector line with and without external alarm indicators
(without shielded cables)
1 Control panel 3 Auxiliary terminals DBZ1190-xx
2 Detector 4 External alarm indicator