Connection To An Addressed Detector Line; Use Of Unshielded Cables - Siemens FDL241-9 Technical Manual

Mounting / Installation
5
Electrical connection
5.3.1
5.3.1.1
56
Building Technologies
Fire Safety

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).


Use of unshielded cables

The connection is established from base to base using twisted or non-twisted wire
pairs.
-
+
LINE
1
_ _ _
+ + +
+
-
3
LINE
_
+
Connection diagram for addressed detector line with and without external alarm indicators
(without shielded cables)
1 Control panel
2 Detector
LINE
2
_ _
+ + +
LINE
_ _
+ + +
4
3 Auxiliary terminals DBZ1190-xx
4 External alarm indicator
LINE
_ _ _
+ +
4
LINE
2
_ _ _
+ +
007016_i_en_--
_
+
2012-09-07