netvox R311D User manual

Model：R311D
Wireless Asset Sensor
Wireless Asset Sensor
User Manual

1
Table of Content
1. Introduction.............................................................................................................................................................................................................................................................. 2
2. Appearance...............................................................................................................................................................................................................................................................3
3. Main Features...........................................................................................................................................................................................................................................................3
4.Set up Instruction...................................................................................................................................................................................................................................................... 4
5. Data Report.............................................................................................................................................................................................................................................................. 5
6. Installation................................................................................................................................................................................................................................................................7
7. Important Maintenance Instruction..........................................................................................................................................................................................................................7

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1. Introduction
R311D is a long-distance Wireless Asset Sensor based on the LoRaWAN open protocol (Class A).
LoRa Wireless Technology:
LoRa is a wireless communication technology dedicated to long distance and low power consumption. Compared with other communication methods,
LoRa spread spectrum modulation method greatly increases to expand the communication distance. Widely used in long-distance, low-data wireless
communications. For example, automatic meter reading, building automation equipment, wireless security systems, industrial monitoring. Main
features include small size, low power consumption, transmission distance, anti-interference ability and so on.
LoRaWAN:
LoRaWAN uses LoRa technology to define end-to-end standard specifications to ensure interoperability between devices and gateways from different
manufacturers.
This device has been certified by the LoRa Alliance and is allowed to use the following logo on the product:

3
2. Appearance
3. Main Features
Compatible with LoRaWAN
2 sections of 3V CR2450 button battery power supply
Detect simple location
Simple operation and setting
Compatible with LoRaWANTM Class A
Frequency hopping spread spectrum technology
Available third-party platform: Actility / ThingPark, TTN, MyDevices/Cayenne
Low power consumption and long battery life
Note*:
Battery life is determined by the sensor reporting frequency and other variables, please refer to http://www.netvox.com.tw/electric/electric_calc.html
On this website, users can find battery life time for varied models at different configurations.

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4.Set up Instruction
On/Off
Power on
Insert batteries.
(users may need a flat blade screwdriver to
open); insert two sections of 3V CR2450 button batteries and close the battery cover.)
Turn on Press any function key till the green and red indicator flash once.
Turn off
(Restore to factory setting) Press and hold the function key for 5 seconds till the green indicator flashes for 20 times.
Power off Remove Batteries.
Note:
1. Remove and insert the battery; the device memorizes previous on/off state by default.
2. On/off interval is suggested to be about 10 seconds to avoid the interference of capacitor inductance and other
energy storage components.
3. Press any function key and insert batteries at the same time; it will enter engineer testing mode.
Network Joining
Never joined the network
Turn on the device to search the network to join.
The green indicator stays on for 5 seconds: success
The green indicator remains off: fail
Had joined the network
Turn on the device to search the previous network to join.
The green indicator stays on for 5 seconds: success
The green indicator remains off: fail
Fail to join the network
(when the device is on)
First two mins:wake up every 15 seconds to send request.
After two mins: enter sleeping mode and wake up every 15 minutes to send request.
Note: Suggest to remove batteries if the device is not used to save power.
Suggest to check device verification on gateway.
Function Key
Press and hold for 5
seconds
Restore to factory setting / Turn off
The green indicator flashes for 20 times: success
The green indicator remains off: fail
Press once The device is in the network: the green indicator flashes once and sends a report
The device is not in the network: the green indicator remains off
Sleeping Mode
The device is on and in the
network
Sleeping period: Min Interval.
When the reportchange exceeds setting value or the state changes: send a data report according to Min Interval.
The device is on but not in
the network
First two mins: wake up every 15 seconds to send request.
After two mins: enter sleeping mode and wake up every 15 minutes to send request.
Note: Suggest to remove batteries if the device is not used.
Suggest to check device verification on gateway.
Low Voltage Warning
Low Voltage 2.4V

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5. Data Report
When the device is turned on, it will immediately send a version package.
Data will be reported by default setting before any configuration.
Maximum time: 3600s
Minimum time: 3600s
Default reportchange:
Battery ---- 0x01 (0.1V)
Note: The real data sending cycle is subject to the programming configuration before shipment.
The reported data is decoded by the Netvox LoRaWAN Application Command document and http://www.netvox.com.cn:8888/page/index
Data report configuration and sending period are as following:
Example#1 based on MinTime = 1 Hour, MaxTime= 1 Hour, Reportable Change i.e. BatteryVoltageChange=0.1V
MaxTime MaxTime
Sleeping(MinTime) Sleeping(MinTime)
Note: MaxTime=MinTime. Data will only be report according to MaxTime (MinTime) duration regardless BtteryVoltageChange value.
Example#2 based on MinTime = 15 Minutes, MaxTime= 1 Hour, Reportable Change i.e. BatteryVoltageChange= 0.1V.
MaxTime
Sleeping(MinTime) sleeping sleeping sleeping
0H 15th M 30th M 45th M1H 2H
Min Interval
(Unit:second)
Max Interval
(Unit:second)
Reportable
Change
Current Change≥
Reportable Change
Current Change ＜
Reportable Change
Any number between
1~65535
Any number between
1~65535 Can not be 0. Report per Min Interval
Report
per Max Interval
Wakes up and
collects data
2.8V
Does not report
Wakes up and
collects data
2.8V
Does not report
Wakes up and
collects data
2.8V
Does not report
Wakes up and
collects data
REPORTS
2.8V
Wakes up and collects
data
REPORT 2.8V
Wake up and collects data
REPORTS 2.5V
Wakes up and collects data
REPORTS 2.7V
Wakes up and collects data
REPORTS 2.8V

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Example#3 based on MinTime = 15 Minutes, MaxTime= 1 Hour, Reportable Change i.e. BatteryVoltageChange= 0.1V.
MaxTime
sleeping sleeping ...
0H 15th M30th M45th M 1H 1H 10th M1H 25th M 1H 40th M 1H 55th M2H 10th M
Notes:
1) The device only wakes up and performs data sampling according to MinTime Interval. When it is sleeping, it does not collect data.
2) The data collected is compared with the last data reported. If the data change value is greater than the ReportableChange value, the device reports
according to MinTime interval. If the data variation is not greater than the last data reported, the device reports according to MaxTime interval.
3) We do not recommend to set the MinTime Interval value too low. If the MinTime Interval is too low, the device wakes up frequently and the battery will be
drained soon.
4) Whenever the device sends a report, no matter resulting from data variation, button pushed or MaxTime interval, another cycle of MinTime / MaxTime
calculation is started.
Wakes up and
collects data
REPORTS 2.8V
Wakes up and collects data
2.7V |2.7-2.8|=0.1
REPORTS 2.7V
Wakes up and
collects data
2.7V Does not
report
Wakes up and
collects data 2.7V
Does not report
Wakes up and
collects data
2.7V Does not
report
Wakes up and collects data
2.7V Does not report
Wakes up and
collects data
2.7V Does not
report
Wakes up and
collects data
REPORTS 2.7V
Wakes up and
collects data
2.8V Does not
report
Users push the button,
REPORTS 2.7V.
Recalculate MaxTime.

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6. Installation
This product does not have a waterproof function. After the screening is completed, please place it indoors.
Installation and Precautions
Note: To install the battery, use a screwdriver or similar tool to assist in opening the battery cover.
7. Important Maintenance Instruction
Your device is a product of superior design and craftsmanship and should be used with care. The
following suggestions will help you use the warranty service effectively.
•Keep the equipment dry. Rain, moisture, and various liquids or moisture may contain minerals
that can corrode electronic circuits. In case the device is wet, please dry it completely.
•Do not use or store in dusty or dirty areas. This can damage its detachable parts and electronic
components.
•Do not store in excessive heat. High temperatures can shorten the life of electronic devices,
destroy batteries, and deform or melt some plastic parts.
•Do not store in excessive cold place. Otherwise, when the temperature rises to normal
temperature,
moisture will form inside, which will destroy the board.
•Do not throw, knock or shake the device. Rough handling of equipment can destroy internal
circuit boards and delicate structures.
•Do not wash with strong chemicals, detergents or strong detergents.
•Do not apply with paint. Smudges can block debris in detachable parts and affect normal
operation.
•Do not throw the battery into a fire to prevent the battery from exploding. Damaged batteries
may also explode.
All of the above suggestions apply equally to your device, battery and accessories. If any device is
not working properly.
Please take it to the nearest authorized service facility for repair.