LEGRAND 766 21 Einrichtungshandbuch

INSTALLATION AND USAGE GUIDE

SECURE WANDERING

SYSTEM

Contents

2 INSTALLATION PRINCIPLE

2 System description

3 DEVICE PRESENTATION AND

INSTALLATION

3 Secure wandering system

6 Secure wandering system - auxiliary elements

7 STANDALONE INSTALLATION

7 Example installation

9 Wiring - controllers and antennae

10 Operating modes

11 SYSTEM INSTALLATION

11 Example installation

13 Wiring - controller/antennae and door unit

14 Operating modes

15 COMMISSIONING

15 Factory settings

16 Parameter setting

18 Adjusting the antennae

19 OPERATION

19 Operation in day mode (surveillance)

20 Operation in night mode (intruder)

21 Illuminated signals

22 CHARACTERISTICS

22 Speciﬁcations

23 USAGE CODES

23 Control code

Safety instructions

This product must be installed in accordance with the

installation regulations and preferably by a qualiﬁed

electrician. Incorrect installation and operation may

lead to the risk of electric shock or ﬁre. Read the

instructions and consider the product's speciﬁc

assembly location before carrying out the installation.

Do not open, remove, alter or modify the device unless this

is speciﬁcally stated in the instructions. Legrand products

must be opened and repaired exclusively by personnel

trained and authorised by Legrand. Any unauthorised

opening or repair voids all liability, replacement rights and

warranties.

Only use Legrand brand accessories.

Operating environment

- This device complies with the directives related to

exposure to radioelectric frequencies when used under

the normal conditions described in the user manual.

Follow the installation instructions described in the

manual.

- Depending on the conﬁguration, this device regularly

transmits radio frequency radiation, the frequency and

power of which comply with ARCEP recommendations.

Using it in an industrial or hospital environment does

not generally pose any problem. However, using it

close to certain sensitive electronic systems may lead

to interference. Please ensure that installation of this

device is limited when in close proximity to any other

electronic equipment.

Operation

The secure wandering system is a system that allows

any potential escape attempts by confused patients to

be controlled.

Each exit under surveillance is ﬁtted with a standalone

controller which alerts staff when a person wearing a

special wristband tries to go through it. In the event that

therearenosupervisorystaff near the exitthisinformation

can be transmitted to the BUS/SCS nurse call unit using a

door unit Cat. No. 766 06 conﬁgured for this function.

This way nurses receive information on the escapee's

identity and on the door used.

The system can operate using two modes:

• Surveillance mode: An alarm is activated when the

wearer of a wristband is close to the exit and this exit

is open.

• Intruder mode: An alarm is activated when an exit

is opened

Switching from one mode to the other is done manually by

entering a special code into the controller keypad.

Thestaff haveachaperone code which allows a wristband

wearer to be let through an exit under surveillance

without triggering an alarm.

Two control outputs allow:

• The exit to be locked once a wristband is detected in the

vicinity (provide an electromagnetic lock*).

• An audible or illuminated warning signal to be triggered

when an escape alarm is activated.

SYSTEM DESCRIPTION

Installation principle

* Product to be ordered separately (see p. 4)

Device presentation and installation

SECURE WANDERING SYSTEM

Normally situated close to the exit, this controller is the

heart of the system.

All auxiliary elements are connected to it.

A 12-button keypad is used to conﬁgure and

activate special functions (mode changes, alarm

acknowledgement, etc.).

A buzzer acts as a warning if an escape is detected.

The door controller retrieves the information from antenna

Cat. No.76621andfromdoor contact Cat. No.431 00 and,

depending on its usage mode, either triggers a nurse call

or locks the door.

When the door is locked it can be unlocked using special

codes.

The coded keypad captures the wristband signal when a

predeﬁned door is crossed.

Requires a modular 12 V= power supply

(Cat. No. 4 131 05).

This system is used to signal crossing of a door threshold by a resident ﬁtted with a wristband Cat. No. 766 20.

It works with door unit Cat. No. 766 06 conﬁgured for secure wandering and allowing acknowledgement.

Door controller Cat. No. 766 22 Technical characteristics

IP 20 - IK 04

• Operating temperature:

0°C to +45°C

• Power supply:

- 12 V=

- 500 mA

• Illuminated signals:

- System power on

- Intruder mode

- Wristband detection

• Audible signals:

- Alarm

- Alarm suppressed by chaperone code

• Functions that can be accessed via the keypad:

- Reset alarms

- Chaperone

- Changeover between surveillance/intruder modes

- System parameter settings

• Controller inputs:

- Adjustable connection

- Volt-free contacts

- Voltage detection

5-24 V=

50 mA to 24 V=

- Door contact (NO/NC)

- Chaperone contact (NO)

- Alarm acknowledgement (NO/NC)

- Mode selection

- Panic alarm (NO)

• Volt-free contact outputs:

- Locking: 1 A - 24 VA/60 V=max

- Alarm: 1 A – 24 VA/60 V=max

• Cable type for link with door unit (system solution):

2 x 9/10th pairs

1Wristband activation magnet

2Detection LED

3Status LED

4Coded keypad

5Enter key

6Cancel key

Device presentation and installation (continued)

Placed as close to the exit as possible, ideally 50 cm from the ground at the side of the door latch, this element detects the

presence of a wristband Cat. No. 766 20 and informs the controller Cat. No. 766 22.

The sensitivity and therefore the detection radius (around 1 to 15 m) can be set easily using a screwdriver.

A green indicator light indicates that the antenna power is on.

A red indicator light ﬂashes when a wristband is in the detection zone (see setting the antenna).

The antenna activity is permanently checked by the controller.

Technical characteristics

• Power supply: via door controller Cat. No. 766 22

• Dimensions (H x W x D): 50 x 100 x 40 mm

• Screwed onto the wall

• IP 20 - IK 04

• Operating temperature: +0°C to +50°C

• Cable type (to controllers 766 22): 2 x 9/10th pairs

Antenna Cat No. 766 21

SECURE WANDERING SYSTEM (CONTINUED)

1Status LED

2Detection LED

Worn on the wrist or the ankle, this waterproof wristband is ﬁtted with eyelet closures preventing the person under

surveillance from taking it off.

These wristbands are made of anti-allergy plastic that is capable of being in continuous contact with the skin.

The battery has an expected lifetime of more than one year (although replacing the batteries every year is

recommended).

The weatherproof seal (IP 55) allows residents to take baths and showers.

The wristbands can also be cleaned by placing them in an alcohol bath for 5 minutes.

Wristbands must be removed in the following cases:

- If they are faulty or the battery is dead

- When the resident leaves

- When the resident undergoes an MRI (magnetic resonance imaging) exam

To remove the wristband, cut it with a pair of round-end scissors.

When a wristband is immobile it switches to low-consumption mode. This allows the standalone capacity of the battery

to be increased to a maximum 4 years when stored.

Once movement is detected the wristband switches immediately to operational mode.

Wristband Cat. No. 766 20

Technical characteristics

• IP 55 - IK 08

• Anti-allergy

• Frequency: 869.85 MHz

• Tx: 869.85 MHz - Rx: 446.525 MHz

• Radiated power: < 10 mW

• Power supply: 1 x CR2450 3 V battery

• Standalone operation: 18 months with normal usage

• Dimensions (mm): 33 x 40 x 17

• Weight: 28 g in working order

Activated or deactivated

by passing a magnet

over the device.

To be performed close

to the controller

Cat. No. 766 22.

Device presentation and installation (continued)

Door contact Cat. No. 431 00

Power supply Cat. No. 4 131 05

The magnetic opening sensor must be connected to the "DOOR" input of controller 766 22.

An escape alarm is only generated on the double condition that a wristband and opening of the door are both detected.

SECURE WANDERING SYSTEM - AUXILIARY ELEMENTS

Technical characteristics

• IP 41 - IK 02

• Operating temperature: -10°C to +70°C

• Cable type (to controllers 766 22): 1 x 9/10th pairs

Technical characteristics

• Power: 15 W

• Operating voltage: 12 V

• Current: 1,25 A

• Dimensions: 5 x 17.5 mm modules

• Cable type (to controller 766 22):

2 x 1.5 mm2

• Class II

• Double operating terminal

• Protected by PTC against overloads and

short-circuits

Sensor

DOOR

766 22

Standalone installation

EXAMPLE INSTALLATION

The diagram below represents a typical installation for a standalone system (ie. not connected to the nurse call unit).

The controller Cat. No. 766 22 is normally installed in the immediate vicinity of the exit at a height that allows easy access

to the keypad. The antenna Cat. No. 766 21 is installed at a height of around 50 cm.

If theexitundersurveillanceis very wide(between1to15metres) twoantennaeplacedoneither side of the passageway

canbeconnectedtothesamecontroller.Thisavoidshavingtosettheantennasensitivitytoohigh,whichriskswristbands

being detected in adjoining rooms.

As with any radio system the antenna position is crucial for wristband detection performance and it must be installed

carefully.Equally,whereverpossiblewristbandsmustbeplacedinanidenticalmanneronallresidentsundersurveillance

(for example, on the right wrist if the antenna is to their right when they go through the exit).

The maximum distance between antenna and controller is 200 metres.

766 22

766 21

766 20

1 - 15 m

766 21

431 00

123

456

789

≈ 0.5 m

2 x 1.5 mm2

1 x 9/10th pair

2 x 9/10th pairs

≈ 1.20 m

4 131 05

Standalone installation (continued)

Outdoor installation:

The secure wandering system is not intended for outdoor installation. However, surveillance of this type of exit is

possible where the installation is adapted:

- The controller must be installed indoors.

- The antenna boxes must be placed in weatherproof enclosures made from non-conductive materials

(plastic, PVC, etc.).

- The enclosure must be protected from direct sunlight to avoid the risk of high internal temperatures.

Selecting a release or lock:

• Door release: ﬂush-mounted installation

- Cable type (to controller 766 22): 2 x 1.5 mm2

- Cat. No. 408 95: 12 V=- 600 mA undervoltage door release - for operation at emergency exits

- Cat. No. 408 98: 12 V±/=- 500 mA shunt trip door release

• Electromagnetic lock: surface-mounted installation

- Cable type (to controller 766 22): 2 x 1.5 mm2

- Cat. No. 767 07: 300 kg lock

- Cat. No. 767 08: 500 kg lock

EXAMPLE INSTALLATION (CONTINUED)

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