Siemens OOH740-A9-Ex - Connection Diagram (Collective)

Mounting/Installation
5
Connecting the detector base
57
Building Technologies A6V10367521_h_en_--
Fire Safety 2015-02-02
5.10.3 Connection diagram (collective)
WARNING
Connecting cables in environments at risk of explosion
Risk of explosion
●
Only connect cables in an environment that is not at risk of explosion.
The following applies to collective detector lines:
l The detector line must start with a safety barrier SB2 or SB3.
l Connect a control panel-specific end-of-line (EOL) to the end of the collective
detector line.
l External alarm indicators may only be connected to one detector.
l Only use external alarm indicators FDAI9x-Ex.
The connection is established from base to base using twisted or non-twisted wire
pairs.
+
-
+
-
+
-
+
-
+
-
+
-
LINE
+
-
+
-
+
-
SB2
SB3
+
-
+
-
LINE
+
-
2
3
1
4
R
5
Connection diagram for collective detector line with and without external alarm indicator
1
Control panel
4
End
-
of
-
line depending on control panel
2
Detector base FDB201, FDB202
5
Parameter set resistor R
3
External alarm in
dicator FDAI9x
-
Ex