Praesideo 3.5 Installation and User Instructions EN54-16: 2008

en 47

Clause / Requirement

13.4 Electrical and other design requirements

13.4.1The processing of signals shall give the highest priority to the voice alarm condition.

13.4.2Transitions between the main and the standby power sources shall not change any indications and/or the state of any outputs, except those relating to the power supplies.

13.4.3If the VACIE has provision for disconnecting or adjusting the main or the standby power source, this shall only be possible at access level 3 or 4.

13.5 Integrity of transmission paths

13.5.1A fault in any voice alarm transmission path between the VACIE and other components of the voice alarm system shall not affect the correct functioning of the VACIE or of any other voice alarm transmission path.

13.5.2A short circuit or an interruption in the transmission path to the loudspeaker(s) shall not affect more than one voice alarm zone for longer than 100 s following the occurrence of the fault.

Compliance

Signature

Praesideo is compliant.

Calls within the Praesideo system have a configured priority. In case of conflicting requirements, system resources are assigned to the calls in order of priority. Voice alarm call must be configured with a high priority (priority 224-255). Many secondary functions of the system can be configured to stop or pause in case calls above a certain configured priority are present; this includes calls below a certain configured priority.

Transition between the main and standby power sources does not change any of the indications and/or state of any outputs of the Praesideo system, except for the fault warning indication (global and individual) in order to report the failure of a power source.

The Praesideo system elements that have a mains and backup power supply offer connectors for the main and standby power source, a rear-mounted voltage selector switch and on/off switch. The installer must ensure that these items are only accessible at access level 3 or 4.

Praesideo is compliant.

The Praesideo system has the following voice alarm transmission paths between itself and other parts of the voice alarm system:

•transmission path between CIE and Praesideo system via input contact or Open Interface;

•transmission path between Praesideo system and the loudspeaker(s).

If there is a fault in the transmission path between the CIE and an input contact of the Praesideo system, the configured action of the input contact will not be automatically activated or de-activated. The correct functioning of the Praesideo system or of any other voice alarm transmission path is therefore not affected. The fault will just be reported.

If there is a fault in the transmission path between the CIE and the Ethernet connection of the network controller of the Praesideo system (connection via Open Interface), methods can no longer be invoked by the CIE and no events can be notified to the CIE. However the fault will not affect the correct functioning of the Praesideo system or any other voice alarm transmission path. The fault will just be reported.

If there is a fault in the transmission path between the Praesideo system, i.e. the amplifier outputs and the loudspeaker(s), the loudspeaker(s) will not be able to produce the intended audio signal. However the fault will not affect the correct functioning of the Praesideo system or any other voice alarm transmission path. The fault will just be reported.

Each audio output of the Praesideo system can only be assigned to one voice alarm zone by means of configuration. The IUI specifies this clearly. Due to this, a short circuit or interruption in the transmission path to the loudspeaker(s) only affects the voice alarm zone it was assigned to.

Bosch Security Systems 2011-02

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Bosch Appliances manual Praesideo 3.5 Installation and User Instructions EN54-16
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