Netvox R718PE Manual de usuario

R718PE

Wireless Top Mounted Ultrasonic Liquid Level Sensor

Wireless Top Mounted Ultrasonic

Liquid Level Sensor

R718PE 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 ................................................................................................................................................................ 4

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

5. Data Report .................................................................................................................................................................. 6

5.1 Example of ReportDataCmd.................................................................................................................................6

5.2 Example of ConfigureCmd...................................................................................................................................7

5.3 Example of Switching Mode................................................................................................................................ 9

5.4 Example of DeadZoneDistance..........................................................................................................................10

5.5 Example for MinTime/MaxTime logic............................................................................................................... 11

6. Application .................................................................................................................................................................12

7. Installation..................................................................................................................................................................14

8. Information about Battery Passivation ......................................................................................................................16

8.1 To determine whether a battery requires activation ...........................................................................................16

8.2 How to activate the battery.................................................................................................................................17

9. Important Maintenance Instruction............................................................................................................................17

1. Introduction

R718PE is a ClassAdevice based on LoRaWAN open protocol of Netvox. R718PE is a wireless communication device that can

detect liquid level and parking space. The device is connected to an ultrasonic sensor to detect its current liquid level or the status of

parking space, and the detected data will be transmitted to other devices through the wireless network for display. It adopts SX1276

wireless communication module and is compatible with LoRaWAN protocol.

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

The distance detected by the sensor is calculated from the plane

Ultrasonic Ranging Sensor

Indicator

Function Key

3. Main Feature

Apply SX1276 wireless communication module

2 sections ER14505 3.6V AA size batteries parallel power supply

Liquid level detection

Host Body Protection Level: IP65 / IP67 (optional), Ultrasonic Probe Protection Level: IP67

Compatible with LoRaWANTM Class A

Frequency hopping spread spectrum technology

Configuration parameters can be configured through third-party software platforms, data can be read and alarms can be set via

SMS text and email (optional)

Available third-party platform: 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 time for varied models at

different configurations.

4. Set up Instruction

On/Off

Power on Insert batteries. (users may need a 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 green indicator flashes 20 times.

Power off Remove Batteries.

Note:

1. Remove and insert the battery; the device is at off state by default. Turn on the device to use

again.

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

interference of capacitor inductance and other energy storage components.

3. 5 seconds 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 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 to join.

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: green indicator flashes once and sends a report

The device is not in the network: 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.

Low Voltage Warning

Low Voltage

3.2V

5. Data Report

5.1 Example of ReportDataCmd

FPort：0x06

Bytes 1 1 1 Var(Fix=8 Bytes)

Version DeviceType ReportType NetvoxPayLoadData

Version– 1 byte –0x01——the Version of NetvoxLoRaWAN Application Command Version

DeviceType– 1 byte – Device Type of Device

The devicetype is listed in Netvox LoRaWAN Application Devicetype doc

ReportType – 1 byte –the presentation of the NetvoxPayLoadData，according the devicetype

NetvoxPayLoadData– Fixed bytes (Fixed =8bytes)

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

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

Default Setting

Maximum time: Max Interval = 15 min

Minimum time: Min Interval = 15 min

BatteryVoltageChange - 0x01 (0.1V)

DistanceChange - 0x012C(300mm)

Data packet:

a. When used in iquid level detection:Distance, FillLevel;

Status=0 (Invalid)

b. When used in parking detection: Status, Distance;

FillLevel=0 (Invalid)

Note:

1. The cycle of the device sending the data report is according to the default.

2. The interval between two reports must be the MinTime

3. R718PE report battery voltage, status, distance, fill level

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

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

Device Device

Type

Report

Type NetvoxPayLoadData

R718PE 0xB1 0x01 Battery

(1Byte, unit:0.1V)

Status (1Byte)

0x00_Off

0x01_On

Distance

(2Bytes,Unit:1mm)

FillLevel

(1Byte,Unit:1%)

Reserved

(3Bytes,fixed 0x00)

Ex. Uplink: 01B101240001F419000000

Byte Value Attribute Result Resolution

1st 01 Version 1 -

2nd B1 DeviceType B1 -

3rd 01 ReportType 1 -

4th 24 Battery 3.6v 24(HEX)=36(DEC),36*0.1v=3.6v

5th 00 Status off -

6th~7th 01F4 Distance 500mm 01F4(HEX)=500(DEC),500*1mm=500mm

8th 19 FillLevel 25% 19(HEX)=25(DEC),25*1%=25%

9th~11th 000000 Reserved - -

5.2 Example of ConfigureCmd

FPort：0x07

Bytes 1 1 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

Config

ReportReq

R718PE

0x01

0xB1

MinTime

(2bytes Unit: s)

MaxTime

(2bytes Unit: s)

BatteryChange

(1byte Unit:0.1v)

DistanceChange

(2byte Unit:1mm)

Reserved

(2byte)

Config

ReportRsp 0x81 Status

(0x00_success)

Reserved

(8Bytes, Fixed 0x00)

ReadConfig

ReportReq 0x02 Reserved

(9Bytes, Fixed 0x00)

(1)Configure the device parameter MinTime = 1min, MaxTime = 1min, BatteryChange = 0.1v, DistanceChange = 500mm

Downlink: 01B1003C003C0101F40000

Device Return:

81B1000000000000000000 (configuration success)

81B1010000000000000000 (configuration failure)

ReadConfig

ReportRsp 0x82 MinTime

(2bytes Unit: s)

MaxTime

(2bytes Unit: s)

BatteryChange

(1byte Unit: 0.1v)

DistanceChange

(2byte Unit:

1mm)

Reserved

(2byte)

SetOnDistance

ThresholdRreq 0x03 OnDistanceThreshold

(2byte Unit: 1mm)

Reserved

(7Bytes, Fixed 0x00)

SetOnDistance

ThresholdRrsp 0x83 Status

(0x00_success)

Reserved

(8Bytes, Fixed 0x00)

GetOnDistance

ThresholdRreq 0x04 Reserved

(9Bytes, Fixed 0x00)

GetOnDistance

ThresholdRrsp 0x84 OnDistanceThreshold

(2byte Unit: 1mm)

Reserved

(7Bytes, Fixed 0x00)

SetFillMax

DistanceReq 0x05 FillMaxDistance

(2byte Unit: 1mm)

Reserved

(7Bytes, Fixed 0x00)

SetFillMax

DistanceRsp 0x85 Status

(0x00_success)

Reserved

(8Bytes, Fixed 0x00)

GetFillMax

DistanceReq 0x06 Reserved

(9Bytes, Fixed 0x00)

GetFillMax

DistanceRsp 0x86 FillMaxDistance

(2byte Unit: 1mm)

Reserved

(7Bytes, Fixed 0x00)

SetDeadZone

DistanceReq

0x0B DeadZoneDistance

(2byte Unit:1mm)

Reserved

(7Bytes,Fixed 0x00)

SetDeadZone

DistanceRsp 0x8B Status(0x00_success) Reserved (8Bytes,Fixed 0x00)

GetDeadZone

DistanceReq

0x0C Reserved (9Bytes,Fixed 0x00)

GetDeadZone

DistanceReq

0x8C DeadZoneDistance (2byte Unit:1mm) Reserved (7Bytes,Fixed 0x00)

(2) Read the device parameter

Downlink: 02B1000000000000000000

Device Return:

82B1003C003C0101F40000 (device current parameter)

(3) Configure the device parameter FillMaxDistance = 5000mm

Downlink: 05B1138800000000000000

Device returns:

85B1000000000000000000 (configuration success)

85B1010000000000000000 (configuration failure)

(4) Read device parameter FillMaxDistance

Downlink: 06B1000000000000000000

Device returns:

86B1138800000000000000 (device current parameter)

5.3 Example of Switching Mode

Switching mode is achieved by setting the values of FillMaxDistance and OnDistanceThreshold. If the current device is used as

liquid level detection, to switch it to parking space detection, first set FillMaxDistance to 0, and then set OnDistanceThreshold. On

the contrary, if the current device is used as parking space detection and wants to switch it to liquid level detection, first set

OnDistanceThreshold to 0, and then set FillMaxDistance.

OnDistanceThreshold

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