Netvox R311B Manuel utilisateur

WirelessLight Sensor

Model: R311B

Wireless Light Sensor

R311B

User Manual

This document contains proprietary technical information which is the property of NETVOX Technology. It shall

be maintained in strict confidence and shall not be disclosed to other parties, in whole or in part, without written

permission of NETVOX Technology. The specifications are subject to change without prior notice.

Table of Content

1. Introduction.......................................................................................................................................................................................2

2. Appearance.......................................................................................................................................................................................3

3. Main Features ...................................................................................................................................................................................3

4. Set up Instruction..............................................................................................................................................................................4

5. Data Report.......................................................................................................................................................................................5

5.1 Example of ReportDataCmd ....................................................................................................................................................5

5.2 Example of ConfigureCmd.......................................................................................................................................................6

5.3 Example for MinTime/MaxTime logic.....................................................................................................................................7

5.4 Difference between R311B and R311G ...................................................................................................................................8

6. Installation ........................................................................................................................................................................................9

7. Important Maintenance Instruction ................................................................................................................................................10

1. Introduction

R311B is a long-distance Wireless Light Sensor based on the LoRaWAN open protocol (Class A).

When the illuminance exceeds the set threshold, a report will be sent immediately.

LoRa Wireless Technology:

LoRa is a wireless communication technology famous for its long-distance transmission and low power consumption.

Compared with other communication methods, LoRa spread spectrum modulation technique greatly extend the

communication distance. It can be widely used in any use case that requires long-distance and low-data wireless

communications. For example, automatic meter reading, building automation equipment, wireless security systems, industrial

monitoring. It has features like small size, low power consumption, long transmission distance, strong 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 LoRaAlliance and is allowed to use the following logo on the product:

2. Appearance

3. Main Features

Compatible with LoRaWAN

2 sections of 3V CR2450 button battery power supply

Illuminance detection

Simple operation and setting

Protection level IP30

Compatible with LoRaWANTM Class A

Frequency hopping spread spectrum technology

Configuration parameters can be configured through third-party software platforms, data can be read and alarms can be set via

SMS text and email (optional)

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.

Indicator

Light Sensor Function Key

4. Set up Instruction

On/Off

Power on Insert batteries. (users may need a screwdriver to open) ;

Insert two sections of 3V CR2450 button batteries and close the battery cover.)

Turn on Press any function key till green and red indicator flashes once.

Turn off (Restore to factory setting)

Press and hold the function key for 5 seconds till 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.

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.

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)

Suggest to check the device verification information on the gateway or consult your platform

server provider.

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: green indicator flashes once and sends a report

The device is not in the network: 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.

Low Voltage Warning

Low Voltage 2.4V

5. Data Report

Data report configuration and sending period are as following:

5.1 Example of ReportDataCmd

FPort：0x06

Bytes 1 1 1 Var(Fix=8 Bytes)

Version DeviceType Report Type NetvoxPayLoadData

Version– 1 byte –0x01——the Version of NetvoxLoRaWAN Application Command Version

DeviceType– 1 byte – Device Type of Device

The device type is listed in Netvox LoRaWAN Application Devicetype doc

ReportType – 1 byte –the presentation of the NetvoxPayLoadData，according the devicetype

NetvoxPayLoadData– Fixed bytes (Fixed =8bytes)

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

When the device is powered on and activated, it will immediately send a version package.

Data will be reported once per hour by default setting.

Default setting:

Maximum time: 3600s

Minimum time: 3600s

BatteryChange: 0x01 (0.1V)

Illuminance Threshold:

When the illuminance exceeds the set threshold, a report will be sent immediately.

Illuminance Threshold: 0x00FF (255 LUX)// The threshold setting range is 0x0000-0x0BB8 (0~3000 LUX)

Note:

MinInterval is the sampling period for the Sensor. Sampling period >= MinInterval.

The reported data is decoded by the Netvox LoRaWANApplication Command document and

http://loraresolver.netvoxcloud.com:8888/page/index

Device DeviceType ReportType NetvoxPayLoadData

R311B 0x4B 0x01 Battery

(1Byte, unit:0.1V)

illuminance

(2Bytes,unit:1Lux)

Reserved

(5Bytes,fixed 0x00)

Uplink: 014B011C03840000000000

1st byte (01): Version

2nd byte (4B): DeviceType 0x4B －R311B

3rd byte (01): Report Type

4th byte (1C): Battery－2.8v , 1C Hex=28 Dec 28*0.1v=2.8v

5th 6th byte (0384): illuminance－900 LUX, 384 Hex=900 Dec

7th ~ 11th byte (0000000000): Reserved

5.2 Example of ConfigureCmd

FPort：0x07

Bytes 1 1 Var(Fix =9 Bytes)

CmdID DeviceType NetvoxPayLoadData

CmdID– 1 byte

DeviceType– 1 byte – Device Type of Device

NetvoxPayLoadData– var bytes (Max=9bytes)

(1)Command Configuration:

MinTime = 1min、MaxTime = 1min、BatteryChange = 0.1v、IlluminanceThreshold= 200 lux

Downlink：014B003C003C0100C80000 003C(Hex) = 60(Dec) , C8(Hex) = 200(Dec)

Response：

814B000000000000000000 (Configuration success)

814B010000000000000000 (Configuration failure)

Description Device CmdID Device

Type NetvoxPayLoadData

Config

ReportReq

R311B

0x01

0x4B

MinTime

(2bytes Unit:s) MaxTime

(2bytes Unit:s) BatteryChange

(1byte Unit:0.1v) Illuminancethreshold

(2bytes Unit：1Lux) Reserved

(2Bytes,Fixed 0x00)

Config

ReportRsp 0x81 Status

(0x00_success) Reserved

(8Bytes,Fixed 0x00)

ReadConfig

ReportReq 0x02 Reserved

(9Bytes,Fixed 0x00)

ReadConfig

ReportRsp 0x82 MinTime

(2bytes Unit:s) MaxTime

(2bytes Unit:s) BatteryChange

(1byte Unit:0.1v) Illuminancethreshold

(2bytes Unit：1Lux) Reserved

(2Bytes,Fixed 0x00)

(2)Read Configuration:

Downlink：024B000000000000000000

Response：

824B003C003C0100C80000（Current configuration）

5.3 Example for MinTime/MaxTime logic

Example#1 based on MinTime = 1 Hour, MaxTime= 1 Hour, Reportable Change i.e. BatteryVoltageChange=0.1V

Max Time Max Time

Sleeping (Min Time) Sleeping (Min Time)

1H 2H 3H

Note:

MaxTime=MinTime. Data will only be report according to MaxTime (MinTime) duration regardless BatteryVoltageChange

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 M 1H 2H

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 2.8V

Wakes up and

collects data

REPORTS 2.8V

Wakes up and

collects data

REPORTS 2.8V

Wakes up and

collects data

2.8V

Does not report

Wakes up and

collects data

2.8V

Does not report

Example#3 based on MinTime = 15 Minutes, MaxTime= 1 Hour, Reportable Change i.e. BatteryVoltageChange= 0.1V.

MaxTime

sleeping sleeping ...

0H 15th M 30th M 45th M 1H 1H 10th M 1H 25th M 1H 40th M 1H 55th M 2H 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.

5.4 Difference between R311B and R311G

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.

6. Installation

(1) This product does not have a waterproof function.After the joining is completed, please place it indoors.

(2) The dust in the installation position of the equipment needs to be wiped clean and then affixed to the equipment.

(3) The battery installation method is shown in the figure below (battery with "+" facing outward).

Note:

To install the battery, use a screwdriver or similar tool to assist in opening the battery cover.

1. Remove the 3M adhesive on the back of the light sensor and

attach the device to the position where the light value needs to

be detected (please do not stick it to a rough surface to

prevent the device from falling off after a long time).

Note:

(1)Wipe the surface clean before installation to avoid dust on

the surface and affect the adhesion of the device.

(2)Do not install the device in a metal shielded box or other

electrical equipment around it to avoid affecting the

wireless transmission of the device.

2. When the illuminance exceeds the set threshold (default is 255

LUX), a report will be sent immediately.

This figure shows the scene where the light sensor (R311B)

is applied in the office.

It can also be applied to the following scenarios:

Home

School

Storage room

Hospital

Bar

Stairs

Agricultural greenhouse

Places which need to detect the illumination value

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