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Philips LRM 8112 Specification Sheet

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LRM 8112 Movement Detector

Dimensions in mm

Ø 99

Ø 113

60

∅ 70

8

Ø 95

Ø 116

33

28

Definition

The LRM 8112 is a Movement

Detector for the automatic

control of lighting systems.

It can be used in combination

with various types of Philips

Lighting Control Systems such as

TRIOS

Description

• The sensor is intended for

indoor use in an office

environment and comes with a

mounting ring for recessed

mounting and a mounting plate

for surface mounting.The unit is

optimized for ceiling mounting.

• The pattern of sensitivity is

nearly circular, covering an area

with a diameter of

approximately 8 m for

tangential movements (i.e.

around the detector) and

approximately 6 m for radial

movements (i.e. towards the

detector). In the latter area

most hand/arm movements will

be detected.These figures apply

to units mounted to a ceiling of

between 2.6 and 3.0 m high.

• More movement detectors can

be connected in parallel, in

order to cover large or odd

shaped rooms. One movement

detector output can drive more

controller inputs. For details

refer to sections "Technical

data" and "Miscellaneous".

• The movement detector has a

built-in delay timer for the

"inactive-state".

• By means of 3 dipswitches (5,

10 and 30 minutes) the timer

can be set at values between

5 and 45 minutes. Setting all

dipswitches to the off-position

results in a walk-test mode with

0 minutes delay.

• The detector contains a red

light emitting diode (LED),

indicating the active state of the

output.The LED can be

disabled via a dipswitch.

• Dipswitches for timer setting

and LED function can be

reached via a hinged cover at

the side of the unit. For access

to the cover, mounted units

must be disengaged from the

mounting ring a few

centimetres.They can

remain electrically connected

and operational.

Factory setting is: timer values

off - LED on.

• The housing material is Polycar-

bonate, white (RAL 9010). It

contains lens, sensor element

and electronic circuitry and

need not be disassembled

during installation or

commissioning.

• The Movement Detector is

powered from the

corresponding controller and

does not require an external

power supply unit.

• Electrical connections are made

via a standard modular socket

("Telejack") using a separate

sensor cable (not supplied with

the unit).The "Telejack" entry is

behind a hinged cover at the

side of the unit. A cable duct

with clamps is provided at the

rear side of the sensor, allowing

entry of standard flat oval cable

from any direction when the

unit is surface mounted.

• Recessed mounting in ceiling

systems is possible without

removing any ceiling parts, pro-

vided that sensor positions are

pre-wired.The minimum recess

clearance is a mere 60 mm.

• The LRM 8112 belongs to a

series of sensors with identical

construction and appearance.

Other sensors in the series are

a Light Sensor (LRL 8101), an

Infrared Receiver (IRR 8124)

and a Multi-Sensor (LRI 8133),

i.e. a combination of the three

sensor types.

- The LRM 8112 is a functional

replacement for the phased-out

types LRM 100 and

LRM 8012.

Applications

• The Movement Detector is

used in combination with

TRIOS .

• Main application is energy-

saving by automatic switching of

light sources, depending on the

presence of persons in the

room.