ST Engineering Telematics Wireless 2WREP2 Repeater of automatic water meter reading system User Manual User manual 27753 rev2x

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Allegro Repeater (2WREP)
Installation
Instructions
FCC ID: NTA2WREP2
IC: 4732A‐2WREP2
Arad Technologies Ltd.
Yokneam Elite 20692, Israel
Tel: (972) 4 9935222, Fax: (972) 4 9935227
www.aradtec.com
Compliance with FCC Regulations
CAUTION
The User and the Installer should be aware that changes and
modifications to the equipment not expressly approved by Master Meter
could void warranty and the user's authority to operate the equipment.
Professionally trained personnel should install the equipment.
ATTENTION
The digital portion of the transceiver has been tested and found to comply with
the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These
limits are designed to provide reasonable protection against harmful interference
in a residential installation. This equipment generates uses and can radiate radio
frequency energy and, if not installed and used in accordance with the instructions,
may cause harmful interference to radio communications. However, there is no
guarantee that interference will not occur in a particular installation. If this
equipment does cause harmful interference to radio or television reception, which
can be determined by turning the equipment off and on, the user is encouraged to
try to correct the interference by one or more of the following measures:
1.) Reorient or relocate the receiving antenna.
2.) Increase the separation between the equipment and receiver.
3.) Connect the equipment into an outlet on a circuit different from that to which
the receiver is connected.
4.) Consult the dealer or an experienced radio/TV technician for help.
Arad Technologies Ltd.
Yokneam Elite 20692, Israel
Tel: (972) 4 9935222, Fax: (972) 4 9935227
www.aradtec.com
FCC and Industry Canada statements
This device complies with Part 15 of FCC Rules and with Industry Canada licenseexempt RSS standard(s). Operation is subject to the following two conditions:
(1) This device may not cause harmful interference, and
(2) This device must accept any interference received, including interference that may
cause undesired operation.
Le présent appareil est conforme aux CNR d'Industrie Canada applicables aux
appareils radio exempts de licence. L'exploitation est autorisée aux deux conditions
suivantes
(1) l'appareil ne doit pas produire de brouillage, et (2) l'utilisateur de l'appareil doit
accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible
d'en compromettre le fonctionnement.
The device meets the exemption from the routine evaluation limits in section 2.5 of
RSS-102 and compliance with RSS-102 RF exposure, users can obtain Canadian
information on RF exposure and compliance.
The antenna used for this transmitter must be installed to normally provide minimum
separation distance of at least 20 cm from all persons and must not be co-located or
operating in conjunction with any other antenna or transmitter.
Le dispositif doit être placé à une distance d'au moins 20 cm à partir de toutes les
personnes au cours de son fonctionnement normal. Les antennes utilisées pour ce
produit ne doivent pas être situés ou exploités conjointement avec une autre antenne
ou transmetteur.
Arad Technologies Ltd.
Yokneam Elite 20692, Israel
Tel: (972) 4 9935222, Fax: (972) 4 9935227
www.aradtec.com
Table of Content
1.
INTRODUCTION .............................................................................................................................................. 5
2.
ABOUT 2WREP ............................................................................................................................................... 5
2.1.
2WREP EXTERNAL PICTURE ........................................................................................................................... 6
2.2.
2WREP INTERNAL PICTURE ............................................................................................................................ 8
2.3.
FCC LABEL ................................................................................................. ERROR! BOOKMARK NOT DEFINED.
2.4.
ENVIRONMENTAL CONDITIONS..................................................................................................................... 9
3.
INSTALLATION INSTRUCTION ...................................................................................................................... 10
Arad Technologies Ltd.
Yokneam Elite 20692, Israel
Tel: (972) 4 9935222, Fax: (972) 4 9935227
www.aradtec.com
1.
Introduction
The Allegro repeater (“2WREP”) is a plug and play multi‐channel/ frequency RF
transceiver unit operates at 450 – 470MHz ISM band.
The 2WREP unit is designated to transceiver/ collects wireless transmissions of
water meter.
The 2WREP sends the collected data through external antenna.
The 2WREP includes the following on board interfaces which are used to send the
collected data:

TCP/IP stack and 10/100 BASE‐T Ethernet connection

USB

RS232

2.
1.
Digital I/O: Logic High Level Vcc‐0.6V, Logic Low Level 0‐0.6V,Current 30mA
About 2WREP
Electrical Performance
The Repeater is a narrow band radio that complies with FCC Part 90
There are 2 modes of operation
 Transmit narrow channel complies Part 90
 Receive narrow channel
Arad Technologies Ltd.
Yokneam Elite 20692, Israel
Tel: (972) 4 9935222, Fax: (972) 4 9935227
www.aradtec.com
1.1. Transmit Narrow Channel, complies with Part 90
Narrow Channel
Parameter
Value
Transmit frequency band
450‐470 MHz*
Channel Separation
6.25kHz
Modulation
4GFSK
Peak output power
35.2 dBm
Max Data rate
4.8 kbps
Frequency stability (including initial
stability, temperature)
<1.0 ppm
Transmit duty cycle
Maximum transmit time 0.32s, pause 20s
*Note: Operation limited to channels defined in 47 CFR §90.261.
1.2. Receiver
Receive Parameters
Parameter
Value
Receive frequency
Programmable in the range 450‐470 MHz
Sensitivity (BER 1E‐3)
‐120 dBm
Modulation
4GFSK
Frequency deviation
1.2 kHz
2.1WREP external picture
Arad Technologies Ltd.
Yokneam Elite 20692, Israel
Tel: (972) 4 9935222, Fax: (972) 4 9935227
www.aradtec.com
Figure 1
Arad Technologies Ltd.
Yokneam Elite 20692, Israel
Tel: (972) 4 9935222, Fax: (972) 4 9935227
www.aradtec.com
2.2WREP front panel
Figure 2
Arad Technologies Ltd.
Yokneam Elite 20692, Israel
Tel: (972) 4 9935222, Fax: (972) 4 9935227
www.aradtec.com
2.3 WREP rear panel
Figure 3
2.4 Environmental Conditions
Operating Temperature: ‐40° C to + 70° C
Storage Temperature: ‐40° C to + 70° C
Humidity: Up to 95%
Arad Technologies Ltd.
Yokneam Elite 20692, Israel
Tel: (972) 4 9935222, Fax: (972) 4 9935227
www.aradtec.com
3.
Installation instruction
Place 2WREP in a plastic box and connect the connectors on the rear panel to the
power supply, battery charging and I/O. (see Figure3)
Connect antenna to the antenna's connector. (see Figure2)
The 2WREP can be installed on both walls and light poles.
Attach the relevant hanging kit (see
Figure 4, Figure 5) to the back of the 2WREP according to required hanging
destination.
Figure 4 – Light pole hanging kit
Arad Technologies Ltd.
Yokneam Elite 20692, Israel
Tel: (972) 4 9935222, Fax: (972) 4 9935227
www.aradtec.com
10
Figure 5 – Wall hanging kit
Open the 2WREP box by pushing the locking tab and make sure that Antenna
connected properly.
Pay attention!!
Do not open the repeater with strength, push the
locking tabs and pull the hinges.
Figure 6
Arad Technologies Ltd.
Yokneam Elite 20692, Israel
Tel: (972) 4 9935222, Fax: (972) 4 9935227
www.aradtec.com
11
Connect the 2WREP to power source (110VAC) and change the transceiver switch
into “ON” state, see Figure 7.
Figure 7
Working 2WREP indicates with green and orange blinking LED’s.
Close the 2WREP box it is now ready to collect water meters.
4. Antenna requirements.
This radio transmitter (Allegro Repeater) has been approved by Industry Canada to
operate with the antenna types listed below with the maximum permissible gain
indicated. Antenna types not included in this list, having a gain greater than the
maximum gain indicated for that type, are strictly prohibited for use with this device.
Le présent émetteur radio (Allegro Repeater) a été approuvé par Industrie Canada
pour fonctionner avec les types d'antenne énumérés ci‐dessous et ayant un gain
admissible maximal. Les types d'antenne non inclus dans cette liste, et dont le gain
est supérieur au gain maximal indiqué, sont strictement interdits pour l'exploitation
de l'émetteur.
Arad Technologies Ltd.
Yokneam Elite 20692, Israel
Tel: (972) 4 9935222, Fax: (972) 4 9935227
www.aradtec.com
12

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