Netvox R311LA User manual

Model：R311LA

Wireless Infrared Proximity 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........................................................................................................ 4

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

5.1 ConfigureCmd .................................................................................................... 8

5.2 GlobalCalibrateCmd......................................................................................... 11

5.3 ReportDataCmd................................................................................................12

6. Installation ................................................................................................................13

7. Important Maintenance Instruction .......................................................................... 16

1. Introduction

R311LA is a Wireless Infrared Proximity Sensor for Netvox ClassA type devices based on the LoRaWAN

open protocol.

It has an infrared proximity sensor that can detect if there is object existing within its detection range and

transmits the detected data to Gateway for display via a wireless network.

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

Indicator

Function Key

Infrared Proximity Sensor

3. Main Feature

⚫Compatible with LoRaWANTM Class A

⚫Adopt SX1276 wireless communication module

⚫2 sections 3V CR2450 button batteries power supply

⚫Infrared Proximity Sensor

⚫Frequency hopping spread spectrum technology

⚫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)

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

⚫Low power consumption and long battery life

Battery Life:

⁻Please refer to web: http://www.netvox.com.tw/electric/electric_calc.html

⁻At this website, users can find battery life time for various models at different

configurations.

1. Actual range may vary depending on environment.

2. Battery life is determined by sensor reporting frequency and other variables.

4.Set up Instruction

On/Off

Power on

Insert batteries (users may need a screwdriver to open )

Insert two sections 3V CR2450 button batteries and close the battery cover.

Note: Require 2 button batteries to supply power at the same time.

Turn on

Press any function key and the 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 Batteries

Note:

1. Remove and insert the battery, and the device memorizes previous on/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. If press any function key and insert batteries at the same time, it will enter

engineer testing 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 restore to 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 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 setting value or the state changes, a data report

is sent according to Min Interval.

Low Voltage Warning

Low Voltage

2.4V

5. Data Report

After the device is powered, it will immediately send a version package and an attribute report data

that reports the current status of the object and the raw data of infrared range.

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

Default Setting

Maximum time: 3600s

Minimum time: 3600s (By default, the current is detected every MinTime.)

Battery: 0x01 (0.1V)

OnDistanceThreshold :0xC409 little-endian (2500)

* Distance Threshold value is used little-endian;

When you need configure distance threshold default setting, please change to little-endian,

for example 2500(Hex) =9C4(Dec) is big-endian and 0xC409 is little-endian

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. If there are special customized shipments, the settings will be changed according to customer’s

requirement.

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

Determining the status of the object

(1) The raw data of detection of infrared ranging is greater than the OnDistanceThreshold parameter

setting value, the status would be 1, indicating the presence of the object.

(2) The raw data of detection of infrared ranging is smaller than the OnDistanceThreshold parameter

setting value, the status would be 0, indicating the absence of the object

Threshold setting instructions

A. First of all, fix the location of the device.

B. When first detection appears no object, the device detects RawSenseData (infrared ranging

data), assuming A (2400)

C. Then detect again appears there is object, the device detects RawSenseData (infrared ranging

data), assuming B (4000)

D. The range of Threshold(X) is set: A（2400）< X < B（4000）, it would recommend to take a

value in the middle of range.

Note：

The RawSenseData value has no unit and is a signal value of a distance.

The closer the device is to the detected object, the larger the value;

The farther the device is to the detected object, the smaller the value.

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

5.1 ConfigureCmd

Fport : 0x07

(1) Command Configuration:

MinTime = 1min、MaxTime = 1min、BatteryChange = 0.1v

Downlink：01AA003C003C0100000000 003C(Hex) = 60(Dec)

Response：

81AA000000000000000000（Configuration success）

81AA010000000000000000（Configuration failure）

Description

Device

Cmd

Device

Type

NetvoxPayLoadData

ConfigReport

Req

R311LA

0x01

0xAA

MinTime

(2bytes Unit: s)

MaxTime

(2bytes Unit: s)

BatteryChange

(1byte Unit: 0.1v)

Reserved

(4Bytes, 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)

BatteryChange

(1byte Unit: 0.1v)

Reserved

(4Bytes, Fixed

0x00)

SetOnDistance

ThresholdRreq

0x03

OnDistanceThreshold

(2byte )

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 )

Reserved

(7Bytes, Fixed 0x00)

(2) Read Configuration:

Downlink：02AA000000000000000000

Response：

82AA003C003C0100000000（Current configuration）

(3) OnDistanceThreshold Configuration=3000

Downlink：03AAB80B00000000000000

Response：

83AA000000000000000000（Configuration success）

83AA010000000000000000（Configuration failure）

(4) Read OnDistanceThreshold

Downlink：04AA000000000000000000

Response：

84AAB80B00000000000000 （Current configuration）

Example#1 based on MinTime = 1 Hour, MaxTime= 1 Hour, Reportable Change i.e.

BatteryVoltageChange=0.1V

Note: MaxTime=MinTime. Data will only be report according to MaxTime (MinTime) duration

regardless BatteryVoltageChange value.

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