Praesideo 3.5 Installation and User Instructions EN54-16: 2008

en 36

Clause / Requirement

Compliance

Signature

ban indication at least common to any earth fault of less than 50 kΩ is capable of affecting a mandatory function, and which is not otherwise indicated as a fault of a supervised function;

can indication of the rupture of any fuse within the VACIE, or the operation of any protective device within the VACIE which is capable of affecting a mandatory function in the fire alarm condition;

All 100V lines of the Praesideo system can be supervised individually for earth faults (i.e. connections to earth with a leakage resistance of less than 50 k).

Every rupture of a fuse or the operation of a protected device that affects a mandatory function will result in a fault since the mandatory functions are supervised. The reported fault is as close to the located defect as possible. E.g. a mains related fault is reported as a mains fault and an amplifier defect is reported as defect for that amplifier channel.

dan indication of any short circuit or interruption, at least common to all transmission paths between parts of the VACIE contained in more than one cabinet, which is capable of affecting a mandatory function and which is not otherwise indicated as a fault of a supervised function.

These indications may be suppressed during the fire alarm condition.

8.2.4The following faults shall be indicated at least by means of the general fault warning indicator:

All network based transmission paths of the Praesideo system are supervised using a keep-alive mechanism. The CobraNet transmission path of the Praesideo system is supervised by means of clock availability.

When the Praesideo system is used in a redundant loop configuration, the loss of the redundant path is reported.

All control input contacts of the Praesideo system can be supervised for shorts and interruptions.

Analog audio connections to external parties can be supervised by pilot tone supervision.

The analog fail safe bypass input of the Praesideo multi channel interface can be supervised by pilot tone supervision.

Praesideo fault indicators are not suppressed. There are separate indicators for fault and voice alarm conditions. The only exception is that the automatic indication of the voice alarm condition has precedence over the automatic indication of the number of present faults on the display of the network controller.

a any short-circuit or interruption in a voice alarm

All network based transmission paths of the Praesideo

transmission path between parts of the VACIE

system are supervised using a keep-alive mechanism. The

contained in more than one cabinet even where the

CobraNet transmission path of the Praesideo system is

fault does not affect a mandatory function;

supervised by means of clock availability.

 

When the Praesideo system is used in a redundant loop

 

configuration, the loss of the redundant path is reported.

 

All control input contacts of the Praesideo system can be

 

supervised for shorts and interruptions.

 

Analog audio connections to external parties can be

 

supervised by pilot tone supervision.

 

The analog fail safe bypass input of the Praesideo multi

 

channel interface can be supervised by pilot tone

 

supervision.

bany short-circuit or interruption in the voice alarm transmission path to the emergency microphone capsule, if provided;

The capsule of the Praesideo (emergency) call station microphone can be supervised for both short-circuit and interruption. This is configurable. Also the microphone inputs on the power amplifiers supervise the connected microphone.

c any short-circuit or interruption in the voice alarm

The loudspeaker lines of the Praesideo system can be

transmission path between the VACIE and

supervised using a master-slave communication system

loudspeakers even where the fault does not affect the

that uses the actual loudspeaker wiring for polling. The

operation of loudspeakers.

communication is inaudible and not affected by audio

 

signals present.

 

Praesideo offers two options: single loudspeaker line

 

supervision (master-slave) and multiple loudspeaker line

 

supervision (master-multiple slaves) that detect short-

 

circuits and interruption of the loudspeaker lines.

 

The installer shall only use the 100 V outputs of the

 

Praesideo amplifiers.

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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