Netvox R718WB2 User manual

Wireless 2-Gang Water Leak Detector with Rope Sensor

R718WB2

Wireless 2-Gang Water Leak Detector with Rope Sensor

R718WB2 User Manual

Table of Content

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

2. Appearance..............................................................................................................................................................2

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

4. Set up Instruction ....................................................................................................................................................3

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

6. Installation...............................................................................................................................................................8

7. Information about Battery Passivation .................................................................................................................10

7.1 To determine whether a battery requires activation ......................................................................................10

7.2 How to activate the battery............................................................................................................................10

8. Important Maintenance Instruction.......................................................................................................................11

1. Introduction

R718WB2 is a LoRaWAN device compatible with LoRaWAN protocol (ClassA). When the R718WB2 water rope sensor detects

a leak, it will send an alarm message to the gateway. When the water rope sensor detects no leaks, it will send a message that

shows no leak to the gateway.

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.

2. Appearance

3. Main Features

⚫Adopt SX1276 wireless communication module

⚫2 ER14505 battery AA SIZE (3.6V / section) parallel power supply

⚫Can detect two voltage values and two water leakage status

⚫The base is attached with a magnet that can be attached to a ferrous object

⚫Protection class IP65/IP67 (optional)

⚫Compatible with LoRaWANTM Class A

⚫Frequency hopping spread spectrum

⚫Configuration parameters can be configured via a third-party software platform, data can be read and alarms can be set via

SMS text and email (optional)

⚫Applicable to third-party platforms: 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 of various models in different configurations.

4.Set up Instruction

On/Off

Power on

Insert batteries.

(users may need a flat blade screwdriver to open)

Turn on

Press and hold the function key for 3 seconds till the green indicator flashes 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 is at off state by default. Press and hold the function key

for 3 seconds till the green indicator flashes once to turn on the device.

2. On/off interval is suggested to be about 10 seconds to avoid the interference of capacitor

inductance and other energy storage components.

3. At 1st -5th second after power on, the device will be in engineering test mode.

Network Joining

Never joined the network

Turn on the device to search the network to join the network.

The green indicator stays on for 5 seconds: success

The green indicator remains off: fail

Had joined the network

(not at factory setting

mode)

Turn on the device to search the previous network to join the 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)

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 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: 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

3.2V

5. Data Report

The device will immediately send a version package report and a report data with leak detection status and voltage value.

The device sends data in the default configuration before any configuration is done.

Maximum time: Max Interval

Minimum time: Min Interval (by default, the current voltage value and the leak detection status value are detected every Min

Interval)

Default reportchange: batteryvoltagechange ---- 0x01(0.1V)

Note:

The actual data sending cycle will be programmed before shipment.

The interval between two reports must be the minimum time

R718WB default Max Interval = 60min, Min Interval = 60min

(if there is special custom shipment, the setting is changed according to customer requirements)

While the water leak detection is triggered:

The leak detected a change in state and immediately issued a report. No leaks status: 0, leak status: 1.

The data report can be 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:

Report Configuration

ConfigReportReq

R718W

0x01

0x47

MinTime(2b

ytes Unit:s)

MaxTime(2by

tes Unit:s)

BatteryChange(1by

te Unit:0.1v)

Reserved (4Bytes,Fixed

0x00)

ConfigReportRsp

0x81

Status(0x00_

success)

Reserved (8Bytes,Fixed 0x00)

ReadConfigReportReq

0x02

Reserved (9Bytes,Fixed 0x00)

ReadConfigReportRsp

0x82

MinTime(2b

ytes Unit:s)

MaxTime(2by

tes Unit:s)

BatteryChange(1by

te Unit:0.1v)

Reserved (4Bytes,Fixed

0x00)

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

(1) Configure device parameters MinTime = 1min, MaxTime = 1min, BatteryChange = 0.1v

Downlink: 0147003C003C0100000000

The device returns:

8147000000000000000000 (configuration is successful)

8147010000000000000000 (configuration is failed)

(2) Read device configuration parameters

Downlink: 0247000000000000000000

The device returns:

8247003C003C0100000000 (device current configuration parameter)

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 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

Wake up and collects data

REPORTS 3.6V

Wakes up and collects data

REPORTS 3.6V

Wakes up and collects data

REPORTS 3.6V

Wakes up and

collects data

3.6V

Does not report

Wakes up and

collects data

3.6V

Does not report

Wakes up and

collects data

3.6V

Does not report

Wakes up and

collects data

REPORTS 3.6V

Wakes up and

collects data

REPORT 3.6V

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 variation 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 3.6V

Wakes up and collects data

3.5V |3.5-3.6|=0.1

REPORTS 3.5V

Wakes up and

collects data

3.5V

Does not report

Wakes up and

collects data

3.5V

Does not report

Wakes up and

collects data

3.5V

Does not report

Wakes up and

collects data 3.5V

Does not report

Wakes up and

collects data

3.5V

Does not report

Wakes up and

collects data

REPORTS 3.5V

Wakes up and

collects data

3.6V

Does not report

Users push the button,

REPORTS 3.5V.

Recalculate MaxTime.

6. Installation

This product comes with waterproof function. When using it, the back of it can be adsorbed on the iron surface, or the two ends

can be fixed to the wall with screws.

Note: When installing the battery, use a screwdriver or similar tool to assist in opening the battery cover.

Waterline Structure:

Installation Suggestions and Examples

Water line: up to 300m*

Water contact alarm: recommended at least

3cm line length

Alert: Instant report (within 10 seconds)

**The length of the accessory water measuring line has been set at the factory. If the water measuring line setting is manual, users

need to set the water line length in the host before using it.**

R718WB

Time : real-time(Within 10 seconds)

Fixing Hook

>3cm

Soaking water >3CM,Send a Report

detection line

Water

Soaking depth >2mm

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