Allegro IOT
Model: Interpreter LR9
User Guide
FCC ID: VIDLR9INTR
IC: 10232A-LR9INTER
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.
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.
This device complies with Part 15 of FCC Rules. 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.
Industry Canada (IC) Compliance Notice
This device complies with Industry Canada license-exempt RSS standard(s). Operation
is subject to the following two conditions: (1) this device may not cause interference,
and (2) this device must accept any interference, including interference that may
cause undesired operation of the device.
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.
Under Industry Canada regulations, this radio transmitter may only operate using an
antenna of a type and maximum (or lesser) gain approved for the transmitter by
Industry Canada. To reduce potential radio interference to other users, the antenna
type and its gain should be so chosen that the equivalent Isotropically radiated
power (EIRP) is not more than that necessary for successful communication.
Conformément à la réglementation d'Industrie Canada, le présent émetteur radio
peut fonctionner avec une antenne d'un type et d'un gain maximal (ou inférieur)
approuvé pour l'émetteur par Industrie Canada. Dans le but de réduire les risques de
brouillage radioélectrique à l'intention des autres utilisateurs, il faut choisir le type
d'antenne et son gain de sorte que la puissance isotrope rayonnée équivalente
(p.i.r.e.) ne dépasse pas l'intensitè nècessaire à l'établissement d'une communication
satisfaisante.
Introduction
The Allegro IOT - Interpreter LR9 is a battery – operated radio module for automated
water meter reading. This module is capable of reading water consumption data
from residential and commercial water meters.
It has a 2-way radio that is compatible with Allegro IOT modules family, GW’s for
relaying water consumption data to the utility. It also has a single channel mode for
short distance communication to the VTR tech tool in field.
Figure 1 – Allegro IOT - Interpreter LR9
Electrical Characteristics
Battery:
• Battery type: Lithium-Thionyl Chloride
• Nominal voltage: 3.6 V
• Capacity: 8500 mAh
DC Characteristics:
• Operating voltage range: 3.0 V – 3.6 V
• Typical Sleep Current: 12 uA
Radio Characteristics:
• Typical Antenna Gain: 0dBi
• Frequency Range: 902 – 928MHz
• Modulation Format: CSS
• Transmit Power up to 20dBm (100mW)
• Receive Sensitivity up to -140dBm
Functional Description
The Allegro IOT - Interpreter LR9 is a wireless battery endpoint for the application of
automatic water meter reading. The primary function of the module is to record
magnetic field reversals that are converted to measurement of water consumption
volume, and then deliver the data to the utility for processing. The diagram below
demonstrates this operation.
The radio has two operating modes, chirp spread spectrum (CSS) and single channel.
The CSS is the normal operating mode for network communication. The single
channel mode is primarily used for field diagnostic purposes.
When installed, the module automatically utilizes the CSS mode to operate as part of
a LoRaWAN network. The module will remain in this mode unless a service event is
initiated from field tool. In this case the radio changes to the single channel mode for
the duration of service session. The module returns to the CSS mode when the
service session is closed.
The user does not have the ability to change modes other than using the field tool.
Figure 2 – Operation setup illustration
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dans d''autres langues
- English: ARAD TECHNOLOGIES LR9 User guide
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