Netvox R718PA11 User manual

型号：R718PA11

Model: R718PA11

Wireless Liquid Level Sensor

R718PA11

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 Feature........................................................................................................................... 3

4. Set Up Instruction................................................................................................................... 4

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

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

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

1. Introduction

R718PA11 is a ClassA device based on the LoRaWANTM protocol of Netvox and is compatible

with LoRaWAN protocol.

R718PA11 can be connected with a liquid level sensor (RS485) and report the value of the liquid

level collected by the device 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 manufacturer

2. Appearance

3. Main Feature

Adopt SX1276 wireless communication module

12V DC power supply

Liquid Level Detection

The base is equipped with a magnet that can be attached to the iron object

Host body protection level IP65 / 67

Compatible with LoRaWANTM Class A

Frequency hopping spread spectrum technology

Configuring parameters and reading data via the third-party software platforms, and set alarms

via SMS text and email (optional)

Applicable to the third-party platforms:Actility/ ThingPark/ TTN/ MyDevices/ Cayenn

Adapter

Indicator

Function Key

Liquid Level Sensor

4. Set Up Instruction

On/Off

Power On

DC 12V adapter

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, and

the green indicator

flashes 20 times.

Power Off

Remove DC12V adapter

Note

1. On/off interval is suggested to be about 10 seconds to avoid the

interference of capacitor inductance and other energy storage

components.

2. The first 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 to check 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

the device sends a data report

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

5. Data Report

After power on, the device will immediately send a version packet report. Then, it will send another

report with the data of the value of the liquid level after it is powered on for 20s.

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

Default setting:

MaxTime: Max Interval = 3min = 180s

MinTime: The MinTime configuration is not available.

*But the software has restriction, MinTime must be configured a number greater than 0.

Note:

Report interval is based on the factory default.

R718PA11 reports the value of the liquid level.

The device reported data parsing please refer to

Netvox LoraWAN Application Command document and Netvox Lora Command Resolver

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

Report Configuration

(1) Configure R718PA11 device parameter MaxTime = 1min

Downlink: 0157000A003C0000000000

Device Return:

Description Device Cmd

Devic

Type

NetvoxPayLoadData

ConfigReport

Req

R718PA11

0x01

0x57

MinTime

(2bytes Unit: s)

MaxTime

(2bytes Unit: s)

Reserved

(5Bytes,Fixed 0x00)

ConfigReport

Rsp 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)

8157000000000000000000 (configuration success)

8157010000000000000000 (configuration failure)

(2) Read R718PA11 device parameter

Downlink: 0257000000000000000000

Device Return:

8257000A003C0000000000 (device current parameter)

Example Of The Liquid Level Range Configuration

Description Device

Cmd

Device

Type NetvoxPayLoadData

SetWireLen

gthReq

R718PA

0x08

0x57

Length

(2bytes, Unit:1dm)

Reserved

(7Bytes, Fixed 0x00)

SetWireLen

gthRsp 0x88 Status (0x00_success) Reserved

(8Bytes, Fixed 0x00)

GetWireLe

ngthReq 0x09 Reserved (9Bytes, Fixed 0x00)

GetWireLe

ngthRsp 0x89

Length

(2bytes, Unit:1dm)

Reserved

(7Bytes, Fixed 0x00)

(1) Configure R718PA11 device parameter Lenght= 30dm

Downlink: 0857001E00000000000000

Device Return:

8857000000000000000000 (configuration success)

8857010000000000000000 (configuration failure)

(2) Read R718PA11 device parameter

Downlink: 0957000000000000000000

Device Return:

8957001E00000000000000 (device current parameter)

6. Installation

1. R718PA11 has the built-in magnet (as the

figure below) which can be attached to the

surface of an iron object during installation,

which is convenient and quick.

In order to make the installation firmer, please

use screws (purchased separately) to fix the

device to the wall or other surface (as Figure

below).

Note: Do not install the device in a metal

shielded box or in an environment surrounded

by other electrical equipment to avoid

affecting the wireless transmission of the

device.

2. R718PA11 regularly reports the data of the

liquid level according to MaxTime. The

default Max Time is 3 minutes.

Note:

MaxTime can be modified by the downlink

command, but it is recommended not to set the

interval too short.

R718PA11 can be applied to detecting the

liquid level.

Example:

Liquid Depth Monitor

Screw

Fixation

Screw

Fixation

Adapter 12V

Socket

Drop-In

Liquid Level

Transmitter

7. Important Maintenance Instruction

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

• Keep the equipment dry. Rain, moisture and various liquids or water may contain

minerals that can corrode electronic circuits. In case the device is wet, please dry it

completely.

• Do not use or store in dusty or dirty areas. This way can damage its detachable parts

and electronic components.

• Do not store in excessive heat place. High temperatures can shorten the life of

electronic devices, destroy batteries, and deform or melt some plastic parts.

• Do not store in excessive cold place. Otherwise, when the temperature rises to

normal temperature, moisture will form inside which will destroy the board.

• Do not throw, knock or shake the device. Treating equipment roughly can destroy

internal circuit boards and delicate structures.

• Do not wash with strong chemicals, detergents or strong detergents.

• Do not paint the device. Smudges can make debris block detachable parts up and

affect normal operation.

• Do not throw the battery into the fire to prevent the battery from exploding.

Damaged batteries may also explode.

All the above suggestions apply equally to your device, batteries and accessories.

If any device is not operating properly, please take it to the nearest authorized service facility for

repairing.

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