Netvox R718PA7 User manual

Wireless Noise Sensor

R718PA7

Wireless Noise Sensor

R718PA7

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 Contents

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

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

3. Features ................................................................................................................................................. 3

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

5. Data Report ........................................................................................................................................... 4

5.1 Example of ReportDataCmd........................................................................................................... 4

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

6. Installation............................................................................................................................................. 7

7. Important Maintenance Instruction........................................................................................................ 8

1. Introduction

R718PA7 is a Class A device based on LoRaWANTM of NETVOX and is compatible with LoRaWAN protocol. R718PA7 can

be connected with a noise sensor (RS485) externally. The noise value collected by the device will be reported 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

device, wireless security systems, industrial monitoring. 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

Function key

Indicator

3. Features

⚫SX1276 wireless communication module

⚫DC 12V adapter power supply

⚫Main body: IP65/IP67 (Optional)

⚫Main body adopts PG7 waterproof fixed joint

⚫Magnetic base

⚫RS485 communication

⚫Noise sensor lifespan: 1 –2 years (Note: Lifespan may vary due to the environment.)

⚫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 third-party platforms: Actility/ThingPark, TTN, MyDevices/Cayenne

4. Set up Instruction

On/Off

Power on

DC12V adapter

Turn on

The green indicator flashing once: success

Restore to factory setting

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

Power off

Remove DC12V adapter.

Note

1. 5 seconds after power on, the device will be in engineering test mode.

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

inductance and other energy storage components.

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

(without resetting to 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

Please check the device verification information on the gateway or consult your platform server

provider.

Function Key

Press and hold for 5 seconds

Back to factory setting

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 the device sends a data report

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

5. Data Report

The device will immediately send a version package after powering on. 20 seconds later, it will send a data report of the noise value.

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

Default setting:

MaxTime: Max Interval = 0xB4 (180s)

MinTime must be greater than 0 due to the software limitation.

Please refer to the Netvox LoRaWAN Application Command and http://www.netvox.com.cn:8888/cmddoc for devices’ data analysis.

5.1 Example of ReportDataCmd

FPort：0x06

Bytes

Var (Fix=8 Bytes)

Version

DeviceType

ReportType

NetvoxPayLoadData

Version–1 byte –0x01——the Version of Netvox LoRaWAN Application Command Version

DeviceType–1 byte –Device Type of Device

Report Type –1 byte –the presentation of the NetvoxPayLoadData, according the device type

NetvoxPayLoadData–Fixed bytes (Fixed =8bytes)

Tips

1. Battery Voltage:

If the battery is equal to 0x00, it means that the device is powered by a DC power supply.

2. Version Packet:

When Report Type=0x00 is the version packet, such as 0157000B04202306010000, the firmware version is 2023.06.01

3. Data Packet:

When Report Type=0x01 is data packet.

Device

Type

Report

Type

NetvoxPayLoadData

R718PA

Series

0x57

0x07

Battery

(1Byte, unit:0.1V)

CO2

(2Byte ,0.1ppm)

NH3

(2Byte ,0.1ppm)

Noise

(2Byte ,0.1db)

Reserved

(1Byte, fixed 0x00)

Example of Uplink: 01570700FFFFFFFF025800

1st byte (01): Version

2nd byte (57): DeviceType 0x09 －R718PASeries

3rd byte (07): ReportType

4th byte (00): Battery －DC in

5th6th byte (FFFF): CO2

7th 8th byte (FFFF): NH3

9th10th byte (0258): Noise－60db , 258 Hex=600 Dec 600*0.1v=60 db

11th byte (00): Reserved

5.2 Example of ConfigureCmd

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)

(1)Configure R718PA7 device parameters

MaxTime = 60s (0x3C)

MinTime must be greater than 0 due to the software limitation.

Downlink: 0157000A003C0000000000

Device returns:

8157000000000000000000 (configuration success)

8157010000000000000000 (configuration failure)

Example:

When the device of R718PA series has more than one data package, the MinTime only represents the interval of two data.

Set MaxTime = 1 min; MinTime = 10s.

(1)The device would report each data at MinTime.

(2) The device has two data (data 1.1 and 1.2), it would report the first one at the beginning; the second one at the 10th second.

(3) After the device reports data 1.1 and 1.2, the next data (data 2.1) will be reported at the 60th second.

Description

Device

CmdID

Device

Type

NetvoxPayLoadData

ConfigReportReq

R718PA

Series

0x01

0x57

MinTime

(2bytes Unit: s)

MaxTime

(2bytes Unit: s)

Reserved

(5Bytes, Fixed 0x00)

ConfigReportRsp

0x81

Status

(0x00_success)

Reserved

(8Bytes, Fixed 0x00)

ReadConfigReportReq

0x02

Reserved

(9Bytes, Fixed 0x00)

ReadConfigReportRsp

0x82

MinTime

(2bytes Unit: s)

MaxTime

(2bytes Unit: s)

Reserved

(5Bytes, Fixed 0x00)

(2) Read R718PA7 device parameters

Downlink: 0257000000000000000000

Device returns:

8257000A003C0000000000 (device current parameter)

Report

data 1.2

Report

data 1.1

10s

70s

MaxTime

MinTime

Report

data 2.1

MinTime

120s

Report

data 2.2

60s

MaxTime

6. Installation

Note:

1. The noise sensor should be sent back to factory for calibration or replacement of the probe when it lasts longer than the

lifespan (1 –2 years) and users could not calibrate the errors by themselves.

2. The cables should be connected to the sensor in order. After user fixes the sensor on the wall, the lid should be closed.

3. The sensor should be placed vertically (The words on the sensor should be set right side up). When it is fixed on the wall, the

pickup should be placed under the sensor.

4. The sensor should be installed in the area that users would like to measure.

5. The sensor should be installed in a stable environment. Installation under direct sunlight, near windows, air-conditioners, and

heaters, or directly faced windows and doors could cause inaccurate results.

6. Keep the sensor away from high-power interference devices as far as possible to avoid inaccurate measurements, such as

frequency converter, motor, etc.

2. The device periodically reports the data according to Max

Time. The default Max Time is 3min.

Note: Max Time can be modified by the downlink command.

3. The device can be used in scenarios such as:

⚫Smart city

⚫Construction site

⚫School

⚫Residential area

1. R718PA7 has a built-in magnet (as the figure below). It can

be attached to the surface of an iron object when it is

installed.

In order to make the device installation more secure, use

screws (purchased) to fix the device to the wall or other

surface (such as the installation diagram). The device is

screwed by two screws in the middle (purchased by users).

Note: Do not install the device in a metal shielded box or in an

environment with other electrical equipment around it to

avoid affecting the wireless transmission of the device.

7. Important Maintenance Instruction

Kindly pay attention to the following in order to achieve the best maintenance of the product:

•Do not put the device near or submerge into water. Minerals in rain, moisture, and other liquids could cause corrosion of

electronic components. Please dry the device, if it gets wet.

•Do not use or store the device in dusty or dirty environments to prevent damage to parts and electronic components.

•Do not store the device in high temperatures. This may shorten the lifespan of electronic components, damage batteries, and

deform plastic parts.

•Do not store the device in cold temperatures. Moisture may damage circuit boards as the temperatures rise.

•Do not throw or cause other unnecessary shocks to the device. This may damage internal circuits and delicate components.

•Do not clean the device with strong chemicals, detergents, or strong detergents.

•Do not apply the device with paint. This may block detachable parts and cause malfunction.

•Do not dispose of batteries in fire to prevent explosion.

The instructions are applied to your device, battery, and accessories.

If any device is not working properly, please bring it to the nearest authorized service provider for repair.

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