Netvox R718WBA User manual

Model：R718WBA

Wireless Water Leak Detector (Rope Sensor) with Temperature and Humidity Sensor

Wireless Water Leak Detector (Rope Sensor)

with Temperature and Humidity Sensor

R718WBA 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..................................................................................................................................................................................................2

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

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

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

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

7. Information about Battery Passivation...................................................................................................................................................... 11

8. Important Maintenance Instruction...........................................................................................................................................................12

1. Introduction

R718WBA is a detection device that is a ClassAtype device based on LoRaWAN open protocol of Netvox. The device is applied to

detecting water leakage and surrounding ambient temperature and humidity. R718WBA is compatible with LoRaWAN protocol.

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.

2. Appearance

Function Key

Indicator

Temperature and Humidity Sensor

3. Main Features

⚫Apply SX1276 wireless communication module

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

⚫Water leakage status, temperature, and humidity detection

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

⚫Protection class IP65

⚫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 alerts can be set via SMS text

and email (optional)

⚫Applicable to the 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

In this website, users can find battery life of various models in different configurations

4. Set up Instruction

On/Off

Power on

Insert batteries. (users 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 original setting)

Press and hold the function key for 5 seconds till green indicator flashes 20 times.

Power off

Remove Batteries.

Note:

1. Remove and insert the battery and the device is in the turn-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. Five seconds after power on, the device will be in engineering test mode.

Network Joining

Never join the network

Turn on the device to search the network.

The green indicator keeps on for 5 seconds: success.

The green indicator remains off: fail

Had joined the network

(Not in the original setting)

Turn on the device to search the previous network.

The green indicator keeps on for 5 seconds: success.

The green indicator remains off: fail.

Fail to join the network

Suggest checking the device registration information on the gateway or consulting your platform

server provider if the device fails to join the network.

Function Key

Press and hold for 5 seconds

Restore to the original setting / Turn off

The green indicator flashes 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 the setting value or the state changes, a data report will be sent

according to Min Interval.

Low Voltage Warning

Low Voltage

3.2V

*Suggest removing batteries if the device is not used to save the power.

5. Data Report

Data report configuration and sending period are as following:

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

After power on, the device will immediately send a version packet report and a data report including the attribute.

The device sends data according to the default configuration before any other configuring.

Default setting:

MaxTime: Max Interval = 60 min = 3600s

MinTime: Max Interval = 60 min = 3600s

BatteryChange = 0x01 (0.1v)

Temperature Change = 0x0064 (1°C)

Humidity Change = 0x0064 (1%)

Note:

(1) The device report interval will be programmed based on the default firmware which may vary.

(2) The interval between two reports must be the minimum time.

Please refer Netvox LoRaWAN Application Command document and Netvox Lora Command Resolver

http://www.netvox.com.cn:8888/page/index to resolve uplink data.

Example of data configuration

FPort：0x07

Bytes

Var (Fix =9 Bytes)

CmdID

DeviceType

NetvoxPayLoadData

CmdID–1 byte

DeviceType–1 byte –Device Type of Device

NetvoxPayLoadData–var bytes (Max=9bytes)

Description

Device

Cmd

Device

Type

NetvoxPayLoadData

ConfigReport

Req

R718WBA

0x01

0x6B

MinTime

(2bytes Unit: s)

MaxTime

(2bytes Unit: s)

BatteryChange

(1byte Unit:0.1v)

Temperature

Change (2byte

Unit:0.01℃)

HumidityChange

（2byte

Unit:0.01%）

ConfigReport

Rsp

0x81

Status

(0x00_success)

Reserved

(8Bytes, Fixed 0x00)

ReadConfigR

eportReq

0x02

Reserved

(9Bytes, Fixed 0x00)

ReadConfigR

eportRsp

0x82

MinTime

(2bytes Unit: s)

MaxTime

(2bytes Unit: s)

BatteryChange

(1byte Unit:0.1v)

Temperature

Change (2byte

Unit:0.01℃)

HumidityChange

（2byte

Unit:0.01%）

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

HumidityChange =1%

Downlink: 016B003C003C0100640064

The device returns:

816B000000000000000000 (configuration success)

816B010000000000000000 (configuration failure)

(2) Read device parameters

Downlink: 026B000000000000000000

The device returns:

826B003C003C0100640064 (device current parameter)

Example for MinTime/MaxTime logic:

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

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

Note:

1) The device only wakes up and performs data sampling according to MinTime Interval. When it is sleeping, it does not collect

data.

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

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

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

Users push the button,

REPORTS 3.5V.

Recalculate MaxTime.

2) The collected data is compared with the last reported data. If the variation of the data is greater than the ReportableChange value,

the device will report according to MinTime interval. If the data variation is not greater than the last reported data, the device

will report according to MaxTime interval.

3) We do not recommend setting the MinTime Interval value too low. If the MinTime Interval is too low, the device will wake up

frequently and the battery will be drained soon.

4) When the device sends a report, regardless of the resulting from data variation, button pushed or MaxTime interval, another

cycle of MinTime/MaxTime calculation will start.

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.

R718WBA has built-in magnet (as the figure on the left below). When installed, the device can attach to the surface of the ferrous object

easily. In order to installing the device firmly, users can secure it to the wall or other surface by using screws (need to purchase by

oneself) (as the figure on the right below).

Note:

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.

Fixed screws

Water leakage

detection line

Temperature

and humidity

detection

Waterline Structure:

Water line: Up to 300m*

Water contact alarm: Recommended at least 3cm line length and at least 2mm depth of water (as the installation example diagram)

Alert: Instant report (within 10 seconds)

*The length of the waterline has been set when shipping. If the length needs to change, it requires to send back to factory for resetting.

Installation Suggestions and Examples

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