Bosch FPA-1200, System Information

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34 en | Planning Modular fire panel
07.2020 | 12.0 | F.01U.028.089 System Information Bosch Sicherheitssysteme GmbH
– Detectors whose removal should not affect the alarm timing of other devices must
installed as the last elements of T-tap stubs: Connect both the incoming and outgoing
LSN b line to the b1 connector or connect both to the b2 connector. This will prevent a
loop interruption when the element is removed. Since, it also prevents the element to act
as an isolator, isolation must be ensured by the isolator in one of the other elements on
the loop. In case of a short circuit condition, all non-isolated elements between the two
isolating elements will be disconnected. The number of non-isolating elements between
two isolating elements must thus be limited in number according to local regulations.
– Additionally, activate in FSP-5000-RPS under Network Settings the feature Detector
Removal Feature in T-Tap .
Previously removed detectors can be reinserted back into their bases. After a reset of the LSN
line the detectors will be restored to their normal function.
Notice!
The Detector removal feature in T-tap topology should only be used if required by regional
authorities.
If the independence of the alarm timing is not required, then use all isolators to reduce the
number of detectors affected by a short circuit.
3.6 Redundancy
Standards and guidelines (e.g. DIN VDE 0833-2, EN 54-2) require different, country-specific
redundancy conditions for specific applications:
–
In the event of a system fault in the panel or the system, no more than 512 detectors may
fail (EN 54-2). In such cases, redundant system components must be used:
–
Redundant panel controller
– Redundant connection to a Bosch UGM
– Redundant connection of the transmission device or AT5000 IP/GPRS. Refer to the
Wiring guide, which can be found on the extranet (access rights required).
– Activation of extinguishing systems in accordance with VdS 2496: If a signal processing
unit fails, no more than one extinguishing area may fail. In such cases, redundant system
components must be used:
–
Redundant panel controller
– Redundant LSN 0300 A module when using more than one FLM-420-RLE-S in an LSN
loop
Redundant panel controller
For a redundant connection, a second basic housing with an additional panel controller and a
CRP 0000 A Cable Set is required, where applicable. The figure below shows a configuration
with a redundant panel controller. The slots
(2) behind a redundant panel controller (1) must
not be occupied with modules.