Bedienungsanleitung Jablotron JS-20 (Seite 1 von 2) (Englisch)

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JS-20 LARGO,P.I.R. detector MGD51205

JS-20 „LARGO“ P.I.R. detector

This P.I.R. motion detector is

used to protect interiors. It detects

any movement of objects with a

temperature close to that of the

human body.

The signal from the sensor is

electronically analyzed. This ensures

that the detector provides excellent

sensitivity and at the same time false

alarms are basically eliminated. The

detection analysis rate can be

adjusted to increase its immunity if

the JS-20 is installed in a

problematic location.

The standard lens in the detector

can be replaced with an optional

corridor or pet immune lens. Extra

terminals (GBS) can be used to

facilitate wiring of the detector.

The JS-20 distinguishes itself

with excellent RF immunity.

It can be mounted on a flat wall

or in a corner.

Installation

This detector is designed for

indoor applications. It can be mounted on a flat wall or in a corner. Do not

place the detector close to any heating/cooling vents or near any other object

that often change temperature. The detector must have an unobstructed view

of the protected area.

1. Open the cover of the detector (press in the plastic tab on the bottom

part of the detector’s housing with a screwdriver).

2. Remove the PCB by pressing the flexible tab inside the housing.

3. Punch through the pre-formed holes for cables and screws.

4. Attach the housing to the wall (2.5 meters above the floor).

5. Return the PCB into the rear housing and connect the cable wires to

the terminals.

6. Attach the cover.

Note: Avoiding touching or scratching the PIR sensor!

Terminals

+12V, GND power supply

PIR, PIR PIR alarm output (normally closed)

TMP, TMP TAMPER output (normally closed)

GBS, GBS auxiliary terminals – useful when wiring (see examples)

Jumpers

LED the LED indicator can be disabled by opening this jumper

DETECTION by opening this jumper you can set a higher rate of analysis

and increase the immunity of the detector. This setting is

suitable for problematic locations with sudden temperatures

changes or electromagnetic interference. Reaction of the

detector will be slightly slower in this setting.

Detector testing

 After switching on the power, wait for 1 minute. During this period the

detector initializes and stabilizes its parameters (LED will be on if not

disabled).

 Each detected movement will be indicated by the detector’s LED (if not

disabled)

 Confirm that the detector covers the protected area as you expected.

Lenses

Standard lens that is supplied with the JS-20 Largo detector covers an

area of 120 degrees / 12 meters.

For special applications other lenses can be used. Optional lenses for long

corridors and areas with small animals are supplied separately.

The Pet lens is marked JS-7910. This lens prevents animals smaller then

40 cm to be detected by the detector. The working range of this lens is

reduced to 7 meters. It is recommended to test this lens carefully with the

animal when installing the system, in order to prevent false alarms.

The Corridor lens is marked JS-7904. The working range of this lens is

25 meters long and only 3 meters wide. It is recommended to test the

detector’s sensitivity carefully when installing it into a corridor.

The curtain lens is marked JS-7902. By using this lens the PIR detector's

working range is restricted to a "curtain". After using this lens, it is for

example possible to secure part of a room etc. During the installation it is

necessary to test the working range very carefully.

Lens characteristic diagrams can be seen in documents supplied with

the lens or on the Jablotron website www.jablotron.com .

Note: Although this product does not contain any harmful materials we

suggest you to return the product to the dealer or directly to the producer

after usage.

Specification

Power supply: 12 V DC ± 25%

Power consumption (LED off): max. 10 mA

Maximum consumption (LED on): max. 35 mA

Terminals size: max. 1 mm

Mounting height: 2.5 m above floor

Detection range: 120° / 12 m (standard lens)

Initialization: aprox. 1 minute

Alarm output: normally closed, max. 60V / 50 mA,

internal resistance max.30 Ohm

Tamper output: normally closed, max. 60 V / 50 mA,

internal resistance max.16 Ohm

Environment - class II. – general indoor, (EN 50131-1)

Operating temperatures -10 to +40 °C

Security level grade 2, EN 50131-1, EN 50131-2-2

EMC EN 50130-4, EN 55022

JABLOTRON ALARMS a.s. hereby declares that the JS-20 is in

compliance with the essential requirements and other relevant

provisions of Directive 2004/108/EC. The original of the conformity

assessment can be found on the web site www.jablotron.com

Technical Support section.

Note: Although this product does not contain any harmful materials

we suggest you return the product to the dealer or directly to the

manufacturer after use.

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