C-Net Detector Line - Siemens FC361 Series Technical Manual

Installation
5

C-NET detector line

5.6 C-NET detector line
32 | 124
Building Technologies
Fire safety
Up to 126 devices, such as automatic fire detectors (e.g. smoke or heat detectors),
manual call points, I/O modules and other C-NET components, can be connected
to the C-NET detector line.
The connection for the C-NET detector line is on the main board. Most line
devices, such as fire detectors, are supplied directly by C-NET with the required
operating voltage. FDCI723 and special applications with I/O modules require an
external power supply.
The picture below shows the C-NET detector line connection with peripheral
devices.
Figure 8: Overview of FC360 C-NET detector line
Line separator
All C-NET devices have an integrated line separator.
In the event of a short-circuit in the C-NET wiring, the line separators adjacent to
the wiring fault are opened and the faulty cable segment is shut down. The C-NET
devices remain functional and ready to detect. The fault is displayed on the panel.
Connection factor
The max. number of connectable C-NET peripherals (126 devices) and the max.
line length (3300 m) depend on the device connection factor.
Details must be calculated using the 'FX3610 Cerberus FIT Quantities tool'
A6V10885143.
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2016-11-18