6.2 Detector lines wiring methods
You will find the basic configuration of the detector lines in this chapter: Normal
wiring and wiring for ex-areas.
6.2.1 Standard wiring
LIN1
+
-
XCM1001-1
LIN2
+
-
LIN3
+
-
CL1-2
CL1-1
CL2-2
CL2-1
CL3-1
CL3-2
Detectors inside the extinguishing area
Detectors outside the extinguishing area
(surrounding)
Line termination
Monitoring jumper in the detector
LIN4
+
-
CL4-1
CL4-2
Manual activation buttons
Fig. 34 Conventional detector lines, principle circuit diagram
In the conventional detector line, the fire detectors are wired in parallel. A detector
inserted into a base establishes the connection with a monitoring jumper. If a
detector is removed from the base, this is recognized by the control unit and
reported as a fault (open line). The detectors connected downstream can no longer
go into alarm.
Wire detector lines 1 and 2 in the extinguishing area from detector to detector in
such a fashion that the lines always cross. This will ensure that in case of a fire
from both detector lines one detector goes into alarm.
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