Use Of Shielded Cables - Siemens FDOOT241-9 Technical Manual

5.13.2.2

Use of shielded cables

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1
3
1 Control panel
2 Detector base FDB201/FDB201-AA, FDB202
3 Auxiliary terminals DBZ1190-AA/DBZ1190-AB
Building Technologies
Fire Safety & Security Products
The shielding of the collective line must be connected through in the detector base
with auxiliary terminals DBZ1190-xx.
If a shielded cable is used, there are two possible ways of connecting external
alarm indicators:
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2
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LINE
4
Connection diagram for collective detector line with and without external alarm indicators
(with shielded cables)
Variant A:
1. Connect the positive pole of the external alarm indicator to the positive pole for
the alarm indicator on the detector.
2. Connect the negative pole of the external alarm indicator to the negative pole
for the alarm indicator on the detector.
3. Connect the shielding of the connection cable between the alarm indicator and
detector on the detector side to the positive pole for the external alarm indicator
via an auxiliary terminal DBZ1190-xx.
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4
A
4 External alarm indicator DJ119x
5 End-of-line depending on control panel
Mounting / Installation
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B
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5
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16.04.2009