Teletek electronics Natron WE-C Manual de usuario

ATTENTION: Read carefully this installation Instructions before installing the device!

This manual is subject to change without notice!

1. General Description

Natron WE-C is a wireless expander (network gateway) module designed for operation with

conventional fire alarm panels, including MAG series panel, produced by Teletek Electronics JSC.

Natron WE-C is powered from external power supply with back-up battery. The module is

equipped with special inputs for monitoring the main and back-up power supplies.

Natron WE-C communicates with Natron series wireless devices enrolled to its configuration. Up

to 32 wireless devices can be enrolled to a specific expander (network gateway) module, forming

a linear network. Up to 5 Natron WE-C modules can be connected to a single conventional fire

alarm control panel as this depends on the system/panel capacity.

Natron WE-C is mounted in a compact plastic enclosure box suitable for wall mounting. The

information of the status of the enrolled wireless devices is presented on a LCD text display. The

programming of the wireless devices parameters is from the module menus.

A dipole SMA type antenna is supplied with the expander (network gateway) module to ensure

wide covering range and stable communication with the enrolled wireless devices.

2. Functional Features

•Specially designed for extending the application of conventional fire alarm panels

•Direct connection to conventional zone terminal

•Compatible for operation with MAG series and third-party conventional fire alarm control

panels

•Up to 5 wireless expanders (network gateway) modules to conventional panel/building*

•Up to 32** NATRON series wireless devices enrolled to a single Natron WE-C module

•Dipole antenna, SMA connector type

•Event messages for wireless device status: low battery, tamper, lost device

•Menu for reviewing the signal strength of the enrolled devices

•LCD display, dot matrix 16x2

•Multilanguage menus

•Standards applied: EN 54-18; EN 54-25

* The number depends on the type of the conventional panel and the capacity of the system.

** The number of enrolled NATRON devices depends on the number of the current connected wired devices to

the conventional zone. Up to 32 wired and wireless detectors can be connected to a conventional zone.

Natron WE-C

Conventional fire alarm wireless

expander (network gateway) module

Teletek Electronics JSC

Address: 2 Iliyansko Shose Str,

1220 Sofia, Bulgaria

2918

DoP No: 229

EN 54-18:2005

EN 54-18:2005/AC:2007

EN 54-25:2008

3. Technical Specifications

Power supply (External power supply unit, EN 54 compatible)

24 VDC ± 10%

Consumption:

- Nominal consumption, LCD display ON

- Nominal consumption, LCD display OFF

- Max. consumption, LCD display ON

- Max. consumption, LCD display OFF

17mA@24V DC

14mA@24V DC

19mA@20V DC

15mA@20V DC

Radio frequency

868MHz

Communication type

Bidirectional

Communication protocol

NATRON TTE

Radio signal modulation type

GFSK

Number of frequency channels

6 pair channels

Radiated power

≤ 25 mW

Receiver category (EN300-220-1)

1.5

Max. connected wireless modules to a conventional panel*

Up to 5

Max. enrolled wireless devices to a wireless module

Communication range with Natron wireless devices (open space**)

1500m

Trace attenuation

> -90dBm

Antenna: - Type

- Frequency

- Impedance

- Type of Radiation

- Gain

- Connector type

- Dimensions

Dipole antenna

866-870MHz, Center 868Mhz

50Ω

Omni-directional

2 dBi

SMA Male (Swivel)

242x12.5mm

Operation temperature

-10°C to +55°C

Related humidity resistance (no condensation)

(93±3)%@ 40°С

Enclosure box:

- Material

- Dimensions

- Color

- Protection

- Weight (with mounted PCB and antenna)

ABS

191x125x60mm

RAL 7024 (graphite grey)

IP66/68

~ 200g

* Depends on system/control panel capacity

** Depends on system/control panel capacity and building structure

4. Installation Place and Mounting

It is strongly recommended to design the Natron wireless system in advance on paper, before

starting the installation. Natron WE-C expander (network gateway) module should be installed at

2-2.5m above the floor level.

Attention: Avoid installation of Natron WE-C module and the wireless devices near to:

•Power lines or other high voltage equipment with large electric consumption.

•Big metal structures –cabinets, pending ceilings, thick concrete walls. Note that, the quality

of the signal strength is reduced with 80%, and sometimes with 100% (full reflection) in

premises with metal walls or surfaces.

•Fluorescent lamps and lighting fixtures.

•Wi/Fi Routers, wireless telephone stations, computers and network cabling.

General View and Dimensions

Opening the enclosure box

Mounting holes

Use fixing elements according the mounting

surface

Positioning of the antenna

For achieving the best signal strength

and coverage it is recommended the

antenna to be mounted in straight up

position!

The SMA antenna is mounted to the module

PCB after installation of the box. The

position of the antenna can be adjusted

according the mounting place. The

antenna’s body can be bent at position of

45°and 90°and is providing continuous

rotation on 360°at its base.

Openings for running cables

There are two openings for running cables

Ø20mm at the box bottom.

Closing the enclosure box

5. System Topology

The Natron WE-C wireless expander (network gateway) module must be powered from an

external 24V DC power supply unit, compliant to EN 54 standard. The module is connected to

zone and sounder circuits of the conventional fire alarm panel. The enrolled to the module Natron

series devices, operate in linear network.

Up to 5 separate Natron WE-C modules can be connected to single conventional panel. The

number of connected wireless modules depends on the system/panel capacity.

For optimum operation, plan to ensure at least 2m distance between two modules and the same

minimal distance between each device and a single module.

Note: In case of connection of 5 wireless modules to a fire alarm panel, they must be set for

operation at different frequency channel numbers to avoid delay in operation –see item 16.

6. PCB Elements

To access the PCB of the module, open the enclosure box (follow the steps described in item 4).

The PCB is factory mounted at the back side of the front cover.

1 - Terminals for connecting the conventional zone line - item 7.2.

2 - Terminals for connecting the sounders’ circuit - item 7.3.

3 - Terminals for connecting the power supply unit - item 7.1.

4 -Terminals for monitoring the power supply - item 7.1.

5 - Terminals for connecting EOLs for zone alarm - item 7.4.

6 - Button for entering the menus for programming and settings.

7 - Antenna connector.

8 -Micro USB for reading the configuration with ProsTE software.

9 - Tamper button for self-protection of the module’s box.

10 - LED indicators –see the detailed description in item 8.

7. Wiring the Electrical Circuits

Attention: All wiring connections between wireless expander (network gateway) module

and conventional fire alarm panel must be done with switched off main and back-up power

supply units of both devices!

The module is equipped with 2-position plug terminals for easy wiring of all

electrical circuits. To make a connection, just pick up the plug to dismount it

from the PCB terminal. Make the wiring observing the polarity according the

connection diagrams presented further in this installation manual. Then mount

back the 2-position plug to the PCB terminal.

7.1 Power Supply Unit

Natron WE-C is powered only from an external power supply unit 24V DC. The power supply

terminals are connected to ±PW terminals of Natron WE-C as observing the polarity.

Natron WE-C is equipped with a special input “Inp” for Fault monitoring of the external power

supply unit. This option can be used when the external power supply unit has a special Fault

output for monitoring. According the type of the Fault output (open collector or energized) of the

external power supply unit, there are two types of connection diagrams for monitoring.

Open Collector

Diagram

When the Fault

output of the

external power

supply unit is

open collector

type, short-circuit

the “3V” output

and “Inp” input

terminals, and then

connect the Fault

Output of the

power supply unit.

Energized Fault

Output Diagram

When the Fault

output of the

external power

supply unit is

energized fault

output type,

connect it directly

to “Inp” input

terminal of the

module.

In case of power supply fault event, the conventional control panel will indicate FAULT in the zone

line to which the Natron WE-C is connected.

7.2 Conventional Zone Line

ATTENTION: Natron WE-C wireless module MUST BE POSITIONED

ALWAYS AT THE END of the conventional zone line!

It is not allowed to connect the module at the begging or in the middle of

the zone line, because that will disturb the correct operation of the fire

alarm system and is not in compliance with the requirement of EN 54!

The module must be the last or

the only device connected to

the conventional zone line!

The end of conventional zone

line is connected to zone input

terminals of the module with

strictly observing the polarity.

The zone line EOL resistor must

be fitted to zone output terminals

of the module to provide correct

supervision for alarm and fault

events in the zone line.

7.3 Sounders Circuit

ATTENTION: Natron WE-C wireless module MUST BE POSITIONED

ALWAYS AT THE END of the sounders circuit –the module must be the last

device connected to the line!

It is not allowed to connect the module at the begging or in the middle of

the sounders circuit, because that will disturb the correct operation of the

fire alarm system and is not in compliance with the requirement of EN 54!

The module must be the last or the only device connected to the sounders circuit!

The end of sounder line is connected to

sounder input terminals of the module

with strictly observing the polarity.

The sounder output terminals of the

module must be terminated with resistor

(R*) to provide correct supervision for

the alarm and fault events in the

sounders’line circuit.

*Note: 10k resistor is required when the

module is connected to conventional

MAG series fire alarm panels. When the

module is connected to third-party

conventional fire alarm panel, is

possible the resistor value to be

different –check this in the fire panel

technical manual.

7.4 Zone Alarm EOL Resistors

The zone alarm EOL resistors must be always installed

at “Fire MCP” and “Fire Dev” terminals at Natron WE-C

module.

The value of the resistors is calculated according the

operation voltage of the conventional zone and the fire

alarm threshold current of the used manual call points

and fire alarm detectors.

Note that, some conventional fire alarm panels are able

to distinguish the activation of manual call points and

fire alarm detectors, and other not.

Calculate the zone alarm resistor values using the formulas:

Rmcp = Uzone / IMCP fire

Rdet = Uzone / IDetector fire

Refer to documentation of the used conventional fire alarm control panel and used conventional

detectors for supported features, technical data and electrical values.

8. Front Panel

At the front panel of Natron WE-C, are located LCD text display and operation buttons.

1 –Antenna (mounted to the antenna connector on the PCB).

2 –LCD text display, dot matrix 16x2.

3 –LED indication for the module status:

Symbol

LED

State

Description

green

Lighting on

Programming mode entry.

4 –Operation buttons:

Button

Function

Description

ENTER

Enter in selected programming menu. Confirmation of operation or

introduced settings.

CANCEL

Exit from programming menu. Reject the operation or introduced settings.

UP/DOWN

Button for scrolling up/down the programming menus or available settings.

9. Initial Power-up of Natron WE-C

1. Switch off the main and back-up power supply of the conventional fire alarm panel.

2. Open the enclosure box of the expander (network gateway) module and mount it on the place

of installation –see item 4.

3. Connect Natron WE-C module at the end of the conventional zone line and at the end of

sounders circuit –see item 7.

4. Connect the external power supply unit to “±PW” terminals of the module.

5. Switch on the main and back-up power supply of the conventional panel.

6. Switch on the external power supply unit of Natron WE-C.

7. Mount the antenna and enroll wireless devices to Natron WE-C expander (network gateway)

module –see item 11.

8. Program the wireless devices parameters according the requirement of the fire installation –

see item 14.

8. Close the enclosure box of the module. Set the position of the antenna for best signal strength

and coverage –see item 4.

10. Check the signal strength of every wireless device and test its operation in case of fire alarm

condition –see item 15.

11. Reset the conventional fire alarm panel after the adding and testing of wireless devices is

complete.

10. Access and Organization of Programming Menus

The access to programming mode and setup menus of Natron WE-C wireless expander (network

gateway) module is limited for support engineers and maintenance technicians only.

At normal operation mode, the screen of Natron WE-C is switched off. Pressing any of the

operation buttons will activate the screen, as according the current state of the module, NATRON

text or fault/warning message will appear. To enter in programming mode, you have to open the

enclosure box and single press the programming button on the control module’s PCB – see item

6, position 6.

The scrolling between available menus is realized with UP/DOWN operation buttons. The

confirmation of set parameters is with ENTER button and rejecting and exit from current menu –

with CANCEL button –see item 8, position 4.

The SETUP MENU includes the following main menus for operation and settings:

Short description

See details

ADD DEVICE

Enrolling wireless devices to module’s configuration.

Item 11

REMOVE DEVICE

Deleting wireless devices from module’s configuration.

Item 12

FIND DEVICE

Finding location and operation test of wireless devices.

Item 13

DEVICE SETUP

Setting parameters for enrolled wireless devices.

Item 14

DEVICE RSSI

Checking the signal strength between the module and

a selected device.

Item 15

CHANNEL SETUP

Setting a frequency channel number.

Item 16

LANGUAGE

Set the language of the menus.

Item 17

The exit of the setup menus can be done at any time with pressing the programming button on the

control PCB - see item 6, position 6. The exit is also automatic after 2 minutes if there is no

activity with the module (pressed operation button).

11. Enrolling of Wireless Devices

Natron WE-C wireless expander (network gateway) module supports operation with Natron series

wireless devices. The enrolment algorithm is common for all devices.

1. Prepare the device for enrolment. Remove the mounting base to access the PCB with the

batteries compartment. The batteries of all new devices are protected from activation with a folio

strip.

Note: If the device is not new, you have to reset it before enrolment to the module. To reset a

device, power it on with the batteries and after that press and hold ENROLL button for 5-7

seconds. The reset is complete when the LEDs of the device flash 3 times in green, followed from

1 long flash in red and 1 long flash in green.

2. Enter in programming mode of the module. Select menu 1. ADD DEVICE and press ENTER

button. A list with already enrolled devices is shown on the screen with an order number and type

of the device: SD (optical-smoke detector), TD (heat detector), MD (combined detector), MCP

(manual call point), WSS (sounder with strobe), MIO (input-output module) –you can find detailed

information about the wireless devices in their installation manuals.

3. Scroll down to find a free address to enroll the device. The free address is labeled as EMPTY.

4. Press ENTER button. Message SEARCHING >>> (arrows are blinking) appears on the screen

showing that the module is scanning for signals from wireless device in its covering range.

Note: If there is no signal from the device in 2-minute period, the module will exit automatically the

programming mode.

5. Power on the wireless device. If the device is new just remove the protective folio from the

batteries –the enrolling process starts automatically. If the device is powered and reset - single

press the ENROLL button. The LEDs of the device start flashing in red.

6. In case of successful enrolment, the LEDs of the device flash 3 times in green, the message

DONE appears on the screen and then the module automatically moves to the next free address

in the list. The enrolled wireless device is added to the list with its specific type.

7. Test the signal strength between the wireless device and the wireless module. Single press the

ENROLL button of the device and wait for the LED indication:

- 3 flashes in green –excellent signal strength;

- 3 flashes in orange –good signal strength; but, if possible, change the place of installation;

- 3 flashes in red –poor signal strength; it is obligatory to change the place of installation.

You can also check the signal quality for the device in 5. DEVICE RSSI menu –see item 15.

8. If the signal quality and strength are excellent or good, mount the device at installation place*.

* Refer to the installation manual of the device for detailed information.

12. Deleting of Wireless Devices

The enrolled wireless devices can be completely removed from the module’s configuration.

The procedure of removing is common for all devices.

1. Enter in programming mode of the module. Scroll to menu 2. REMOVE DEVICE and press

ENTER button. A list with present enrolled devices is shown on the screen with an order number

and type of the device.

2. Find in the list the device which you want to remove. (Note: You can check if this is the exact

device for removing as first perform finding device procedure –see item 13.)

3. Press ENTER button. Message “Are you sure?” will appear on the screen.

4. Confirm the removing with ENTER button. Or reject the action with CANCEL button.

5. In case of successful removing, the message DONE appears on the screen and then the

module automatically moves to the first number in the list, regardless there is enrolled device to it

or not.

6. Press CANCEL button to exit the menu for removing devices.

13. Finding of Wireless Devices

This is a procedure that helps the engineer to find the exact location of every wireless device in

the fire installation and test the connection with module. The Natron series wireless fire alarm

detectors are equipped with built-in buzzed for additional audio signalization in accompanying the

visual LED indication. The procedure of finding is common for all devices.

1. Enter in programming mode of the module. Scroll to menu 3. FIND DEVICE and press ENTER

button. A list with present enrolled devices is shown on the screen with an order number and type

of the device.

2. Find in the list the device which you want to locate in the fire installation.

3. Press ENTER button. Message FINDING >>> (arrows are blinking) appears on the screen

showing that the module is scanning for signals from the selected wireless device. The message

will change for a while to FINDING DONE in case of success.

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