Praesideo 3.5 Installation and User Instructions EN60849: 1998

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EN60849 - 5. System technical requirements

EN60849 - 5.1 Speech intelligibility

Requirement

Compliance

Signature

Unless otherwise specified, the following requirement

 

 

shall be satisfied:

 

 

The speech intelligibility over all of an area of coverage

Responsibility of the installer.

 

(see 3.1) shall be greater than or equal to 0,7 on the

 

 

common intelligibility scale (CIS). See annexes A and B

 

 

for the conversion between CIS and other scales of

 

 

intelligibility. The noise level (see B.5) at the time of

 

 

measurement (but in the absence of the test signal)

 

 

and the test signal level shall be stated with the test

 

 

result.

 

 

NOTE - If the persons who are required to understand

 

 

the messages are, or will be, reasonably familiar with

 

 

them through regular system tests, the effective

 

 

intelligibility tends to increase by approximately 0,05 on

 

 

the CIS if the intelligibility is in the range 0,6 to 0,7. This

 

 

may apply, for example, in an office building. However,

 

 

in a sports ground, for example, most of the messages

 

 

are likely to be relatively unfamiliar to the majority of

 

 

persons present, and no relaxation of the above

 

 

requirement should be considered.

 

 

The system specification may exclude from the area of

Responsibility of the installer.

 

coverage, defined areas rarely or never occupied by

 

 

people.

 

 

EN60849 - 5.2 Automatic status indication

 

 

 

 

 

Requirement

Compliance

Signature

A clear indication shall automatically be given at the

 

 

designated control locations of:

 

 

a

System availability.

Compliant. Indication on call stations if properly

 

 

 

installed.

 

b

Power supply availability.

Compliant. Indication on call stations if properly

 

 

 

installed.

 

c

Any fault condition.

Any fault is indicated by a control output of the Network

 

 

 

Controller, if properly installed.

 

d

(For systems having numerous loudspeaker zones),

Compliant.

 

 

which loudspeaker zones are selected and the

 

 

 

mode of operation of each zone, i.e. "evacuate" or

 

 

 

"alert" and pre-selection of emergency microphone.

 

 

 

Where different alarm messages are provided,

 

 

 

which are dependent on the evacuation

 

 

 

requirements, indication of which message is being

 

 

 

broadcast and into which zone, shall be displayed

 

 

 

by a suitable method. This information shall be

 

 

 

continuously displayed and kept up to date.

 

 

EN60849 - 5.3 Automatic fault monitoring

 

 

 

 

 

Requirement

Compliance

Signature

A clear indication shall automatically be given, at

 

 

specified locations, e.g. at main equipment locations,

 

 

of:

 

 

 

a

Short-circuit or disconnection or failure of the

Compliant, if properly installed. Responsibility of the

 

 

primary power source.

installer. (UPS should be monitored via control input.)

 

b

Short-circuit or disconnection or failure of the

Compliant, if properly installed. Responsibility of the

 

 

standby power source.

installer. (UPS should be monitored via control input.)

 

c Short-circuit or disconnection or failure of any

Responsibility of the installer. Supervision of third party

 

 

battery charging equipment associated with the

charging equipment is via control inputs.

 

 

primary or standby power sources.

 

 

d

Rupture of any fuse or operation of circuit breaker,

Compliant. Fault is indicated by a control output of the

 

 

isolator or protective device that may prevent an

Network Controller, if properly installed. Fault is also

 

 

emergency broadcast.

displayed by the Network Controller and the Logging

 

 

 

Viewer (optional).

 

Bosch Security Systems 2011-02

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Bosch Appliances 3.5 manual EN60849 5.2 Automatic status indication, EN60849 5.3 Automatic fault monitoring
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