Connection Diagram For Ms8 Detector Line; Use Of Unshielded Cables - Siemens FDOOT221 Technical Manual

4BMounting / Installation
5
49BDetector lines

5.19.3 Connection diagram for MS8 detector line

5.19.3.1 Use of unshielded cables

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Building Technologies
Fire Safety
Variant B
1. Connect the positive pole of the external alarm indicator to the positive pole for
the external alarm indicator on the detector.
2. Leave the negative pole for the external alarm indicator on the detector
unoccupied.
3. Connect the negative pole of the external alarm indicator with the negative pole
on the input side of the detector line on the detector via an auxiliary terminal
DBZ1190-xx.
4. Connect the shielding of the detector line with the shielding of the connection
cable to the external alarm indicator via an auxiliary terminal DBZ1190-xx.
On an MS8 detector line an external alarm indicator may be connected to only one
detector.
The connection is established from base to base using twisted or non-twisted wire
pairs.
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Connection diagram for MS8 detector line with and without external alarm indicators (without shielded
cables)
1 Control panel
2 Base adapter FDB281 (with fitted detector base FDB221)
3 External alarm indicator
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LINE
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2015-11-04
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