Bosch SE2005 Guia de preparacion descargar pdf (Pagina 20)

Security Escort | Installation and Setup Guide | 2.0

ment Estimation

EN | 20

Bosch Security Systems | 1/09 | 33831E

• Receivers must not be mounted

within 30 cm (1 ft.) of any metal

object, including fences, metal

walls, and walls with wire mesh. If

a receiver is mounted on a metal

fence, that fence should be

grounded (not floating or insulated

from the ground) and the receiver

should be spaced 30 cm (1 ft.) from

the fence and 3 m (10 ft.) above

the ground.

• Take care that large metal objects

do not shield a receiver from a

protected area. For example metal

fences, metal staircases, metal

buildings, power transformers, and

metal roofs.

• Receiver locations should be below

building overhangs and eaves as

these can shield the areas below

them.

• Receivers should have a clear line

of sight of the protected area.

Take care where the ground is hilly

or uneven. Make sure there are no

areas and low spots where several

receivers cannot hear the signal.

Transition Areas between Indoor and

Outdoor Areas

• An outside area directly between

two buildings with complete indoor

protection needs no additional

receivers between the buildings, if

they are 90 m (300 ft.) or less

apart.

• When protecting an outside area

directly between two buildings with

complete indoor protection that are

more than 90 m (300 ft.) apart,

evenly space a row of outside

receivers evenly between the

buildings. Make sure the receiver

row does not exceed the standard 90

m (300 ft.) spacing from the

buildings. The spacing between

receivers in that row should be

about the same as the spacing for

the receivers in the buildings.

• Indoor receivers should be no more

than 25 m (80 ft.) apart and

outdoor receivers should be no more

that 90 m (300 ft.) apart. Both of

these recommendations work well in

their respective areas. However, if

a building is adjacent to an

outdoor area, that building has a

greater density of receivers and,

therefore, has a tendency to pull

the computed location towards it.

To counteract the building tendency

to pull the location, consider the

following special cases:

- If the outdoor area adjacent to

the building is wide open and

the customer is not concerned

about reduced location accuracy

in this area, then nothing

special needs to be done. Follow

the normal indoor and outdoor

recommendations.

- The building is near the

boundary of the protected area,

with or without a fence at the

boundary. The receivers in the

building should be placed at the

recommended 25 m (80 ft.)

spacing. The receivers at the

boundary of the protected area

near the building should be

spaced about the same as those

in the building, approximating

the same grid as used in the

building.

- The building is adjacent to a

large protected outdoor area

that extends for more than 90 m

(300 ft.) from the building. The

receivers in the building should

be placed at the recommended 25m

(80 ft.) spacing. The receivers

in the large protected outdoor

area should be placed on the

normal 90 m (300 ft.) grid

except for the first row of

receivers adjacent to the

building. This first row of

outdoor receivers in the

transition area should “split

the difference” between the

indoor and outdoor spacing at

about 60 m (200 ft.).

Boundary Areas at the Outer Edge of

the Protected Area

The system cannot locate an alarm past

the last receiver at the boundary of

the protected area. Therefore the last

row of receivers must be at or past

the end of the protected area.

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