Netvox RA0708 Manuel utilisateur

Model：RA0708_R72608_RA0708Y

Wireless pH Sensor

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.....................................................................................................................................................3

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

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

6.1 RA0708 ............................................................................................................................................................8

6.2 R72608 .............................................................................................................................................................8

6.3 RA0708Y .........................................................................................................................................................9

6.4 PH Sensor Use..................................................................................................................................................9

6.5 PH Sensor Maintenance.................................................................................................................................11

7. Important Maintenance Instruction.......................................................................................................................11

1. Introduction

RA0708_R72608_RA0708Y is a ClassA device based on the LoRaWAN open protocol.

RA0708_R72608_RA0708Y can be connected to the PH sensor and report the value collected by the sensor to the corresponding

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

RA0708

Function Key

Indicator

PH Sensor

Adapter 12v

3. Main Features

⚫Compatible with LoRaWAN

⚫RA0708 and RA0708Y use DC 12V adapter power supply

⚫R72608 uses solar panel and rechargeable lithium batteries

⚫Simple operation and setting

⚫PH value and temperature detection

⚫Adopt SX1276 wireless communication module

4. Set up Instruction

On/Off

Power on

RA0708 and RA0708Y are connected to the DC 12V adapter for power-on

R72608 applies solar and rechargeable lithium batteries.

Turn on

Power on to turn on.

Restore to factory setting

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

Power off

Remove power

Note:

1. Engineering test modes require the burning engineering test software.

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

inductance and other energy storage components.

Network Joining

Never joined the network

(Or at factory setting )

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

(Not at factory setting.)

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

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 the device sends a data

report

The device is not in the network: green indicator remains off

Low Voltage Threshold

10.5 V

Restore to Factory Setting

Instruction

RA0708_R72608_RA0708Y has a network information memory function when power-down.

This function is turned off by default, that is, it will be re-joined every time it is powered on.

This function can be turned on by the ResumeNetOnOff command.

At this time, each time the power is rewritten, the last network joining information will be

recorded (including saving the network address information assigned to it, etc., if you want to

join a new network, you need to perform a factory resetting operation first.)

It will not be re-joined the previous network.

Operation

1. Press and hold the button for 5 seconds and release (the binding button is released when the

LED flashes), and the

LED flashes for 20 times.

2. The device will automatically restart to re-joining.

5. Data Report

The device will immediately send a version packet report along with an uplink packet including temperature ,voltage and PH value.

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

Default setting:

ReportMaxTime:

RA0708/RA0708Y is 180s

R72608 is 900s

Value must be greater than ReportMinTime

≧

ReportType count *ReportMinTime + 10 ,units:

seconds

ReportMinTime: 30s

ReportChange: 0

ReportType count = 1

Note:

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

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

(3) ReportChange is not supported by RA0708_R72608_RA0708Y (Invalid configuration).

(4) Report cycle will be based on ReportMaxTime period when sending data packet (beginning to the end of the first data as a

period).

(5) Data packet: temperature, voltage and PH value.

(6) The device also supports Cayenne's TxPeriod cycle configuration instructions. Therefore, the device can also perform a

report according to the cycle time of the TxPeriod value; and whether the report period is ReportMaxTime or TxPeriod will

be depending on which cycle time is configured last time.

(7) It would take about 35 seconds for the PH sensor to sample and process the collected PH value if you were to manually

trigger the device by pressing the button, please be patient.

The device reported data parsing please refer to

Netvox LoraWAN Application Command document and Netvox Lora Command Resolver

http://www.netvox.com.cn:8888/page/index

Report Configuration Example:

(1) Configure RA0708 device parameters MinTime = 30s, MaxTime = 120s (120>30*1+10)

Downlink: 0105001E00780000000000

Device returns:

8105000000000000000000 (configuration is successful)

8105010000000000000000 (configuration failed)

(2) Read RA0708 device parameters

Downlink: 0205000000000000000000

Device returns:

8205001E00780000000000 (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.

Description

Device

Cmd

Device

Type

NetvoxPayLoadData

Config

ReportReq

RA07 Series

R726 Series

R727 Series

0x01

0x05

0x09

0x0D

MinTime

(2bytes Unit:s)

MaxTime

(2bytes Unit:s)

Reserved

(5Bytes,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)

Reserved

(5Bytes,Fixed 0x00)

Wake up and collects data

REPORTS 3.6V

Wakes up and collects data

REPORTS 3.6V

Wakes up and collects data

REPORTS 3.6V

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

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

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

Wakes up and

collects data

3.6V

Does not report

Users push the button,

REPORTS 3.5V.

Recalculate MaxTime.

6. Installation

6.1 RA0708

RA0708 does not have a waterproof function. After the network joining is completed, please place it indoor.

6.2 R72608

R72608 product is waterproof.After the network-joining is completed, please leave it outdoors.

(1) In the position to be installed, loosen the U-shaped screw of the bottom of the R72608 and the mating washer nut, and fix the

U-shaped screw through the appropriate size cylinder on the R72608 fixed strut piece. Install the washer nut in order, lock the nut

till R72608 body is stable and does not shake.

(2) At the upper side of the fixed position of R72608, loosen the two U-shaped screws on the side of the solar panel and the mating

washer nut. Fix the U-shaped screw through the appropriate size cylinder on the main bracket of the solar panel, and install the

gasket in sequence. Lock nut till the solar panel is stable and does not shake.

(3) Adjust the angle of the solar panel.After the adjustment is completed, lock the nut.

(4) Connect the R72608 top waterproof cable to the solar panel wiring and lock it tight.

(5) R72608 has a battery compartment inside. Users can buy and install rechargeable 18650 lithium battery, 3 sections totally. A single

rechargeable lithium battery voltage is 3.7V, and the capacity is recommended 5000mah.

The installation of rechargeable lithium battery steps are as follows:

1: Remove the four screws around battery cover

2: Insert three 18650 lithium batteries. (Please make sure the battery positive and negative)

3: Press the activation button on the battery pack for the first time.

4: After activation, close the battery cover and lock the screws around battery cover.

activation button

6.3RA0708Y

RA0708Y product is waterproof and can be placed outdoors after the network joining is completed.

(1)In the position to be installed, loosen the bottom U-shaped screw of the RA0708Y and the mating washer nut, and fix the

U-shaped screw through the appropriate size cylinder on the RA0708Y fixed strut piece. Install the washer nut in order, lock the

nut till RA0708Y body is stable and does not shake.

(2) Loosen the M5 nut at the bottom of the RA0708Y matte and take the matte together with the screw.

(3) Insert the power DC plug from the center through hole of the RA0708Y bottom cover, and insert it into the RA0708Y DC socket,

and then return the mating screw to the original position and lock the M5 nut tight.

6.4 PH Sensor Use

The water level of the water you plan to measure the pH value of is recommended to be higher than the spiral curve on the pH sensor.

Note:

(1)The sensor is recommended to be installed with angles higher than 15 degrees.

(2)Horizontal or upside-down position is not allowed.

Spiral curve

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