Netvox R718E Bedienungsanleitung

Model：R718E

Wireless Accelerometer

and

Surface Temperature Sensor

R718E

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.

Wireless Accelerometer and Surface Temperature Sensor

Table of Content

1. Introduction.......................................................................................................................................................................................3

2.Appearance........................................................................................................................................................................................3

3. Main Features ...................................................................................................................................................................................4

4. Set up Instruction..............................................................................................................................................................................5

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

5.1 ActiveThreshold and InActiveThreshold .................................................................................................................................7

5.2 Offset calibration ......................................................................................................................................................................7

5.3 The X, Y, Z axis direction of R718E ........................................................................................................................................7

5.4 Example of data configuration .................................................................................................................................................8

5.5 Example for MinTime/MaxTime logic...................................................................................................................................10

6. Example Application ......................................................................................................................................................................11

7. Installation ......................................................................................................................................................................................12

8. Information about Battery Passivation...........................................................................................................................................13

8.1 To determine whether a battery requires activation................................................................................................................13

8.2 How to activate the battery.....................................................................................................................................................13

9. Important Maintenance Instruction ................................................................................................................................................14

1. Introduction

The R718E is identified as a LoRaWAN ClassAdevice with three-axis acceleration , temperature and compatible with LoRaWAN

protocol.

When the device moves or vibrates over threshold value, it immediately reports the temperature ,acceleration and velocity of the

X, Y, and Z axes.

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

NTC Thermistor Sensor

3. Main Features

Apply SX1276 wireless communication module

2 sections ER14505 3.6V Lithium AA battery

Detect the acceleration and velocity of the X, Y, and Z axes

The base is attached with a magnet that can be attached to a ferromagnetic material object

Protection level IP65/IP67 (optional)

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

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 variety 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 flat blade 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 for 20 times.

Power off Remove Batteries.

Note:

1. Remove and insert the battery; the device is at 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. Five 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.

The green indicator stays on for 5 seconds: success

The green indicator remains off: fail

Had joined the network

Turn on the device to search the previous network.

The green indicator stays on for 5 seconds: success

The green indicator remains off: fail

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

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

The device will immediately send a version packet report along with two uplink packets including temperature, battery voltage,

acceleration and velocity of the X, Y, and Z axes.

The interval between these two packets will be 10 seconds.

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

Default setting:

MaxTime: Max Interval = 60 min = 3600s

MinTime: Max Interval = 60 min = 3600s

BatteryChange = 0x01 (0.1v)

AccelerationChange = 0x0003

ActiveThreshold = 0x0003

InActiveThreshold = 0x0002

Three-axis acceleration and velocity:

While the data of three-axis accelerometer of the device is lower than InActiveThreshold and the duration has to be lesser than

5 seconds, at this time, if the vibration continues (the data of three-axis accelerometer is higher than InActiveThreshold ), it will

be delayed for 5 seconds. Until the data of three-axis accelerometer is lower than InActiveThreshold, and the duration is more

than 5 seconds, R718E would send two packet, one is the data of three-axis accelerometer, and the other would be sent after 10

seconds with the data of the speed of three-axis & the temperature.

Note:

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

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

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

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

5.1 ActiveThreshold and InActiveThreshold

Formula

Active Threshold (or InActiveThreshold) = Critical value ÷ 9.8÷ 0.0625

* The gravitational acceleration at standard atmospheric pressure is 9.8 m/s2

* The scale factor of the threshold is 62.5 mg

Active Threshold Active Threshold can be changed by ConfigureCmd

Active Threshold range is 0x0003-0x00FF (default is 0x0003);

InActive Threshold InActive Threshold can be changed by ConfigureCmd

InActive Threshold range is 0x0002-0xFF (default is 0x0002)

Example

Assuming that the critical value is set to 10m/s2, the Active Threshold (or InActiveThreshold) to be set is

10/9.8/0.0625=16.32

Active Threshold (or InActiveThreshold) to be set integer as 16.

5.2 Offset calibration

The accelerometer is a mechanical structure that contains components that can move freely.

These moving parts are very sensitive to mechanical stress, far beyond solid-state electronics.

The 0g offset or offset is an important accelerometer indicator because it defines the baseline used to measure acceleration.

After installing R718E, turn on the device and wait for the device join the network 1 minute

, the device will automatically

offset the calibration.

If the device installation position moves, you need to power off the device 1 minute and restart turn on.

5.3 The X, Y, Z axis direction of R718E

5.4 Example of data configuration

FPort：0x07

Bytes 1 1 Var(Fix =9 Bytes)

CmdID DeviceType NetvoxPayLoadData

CmdID– 1 bytes

DeviceType– 1 byte – Device Type of Device

NetvoxPayLoadData– var bytes (Max=9bytes)

Description Device Cmd

Device

Type NetvoxPayLoadData

ConfigReport

Req

R718E

0x01

0x1C

MinTime

(2bytes Unit:s)

MaxTime

(2bytes Unit:s)

BatteryChange

(1byte Unit:0.1v)

Acceleration

Change

(2byte Unit:m/s2)

Reserved

(2Bytes,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)

Acceleration

Change

(2byte Unit:m/s2)

Reserved

(2Bytes,Fixed

0x00)

SetActive

ThresholdReq 0x03 ActiveThreshold

(2Bytes)

InActiveThreshold

(2Bytes)

Reserved (5Bytes,Fixed

0x00)

SetActive

ThresholdRsp 0x83 Status

(0x00_success)

Reserved

(8Bytes,Fixed 0x00)

GetActive

ThresholdReq 0x04 Reserved

(9Bytes,Fixed 0x00)

GetActive

ThresholdRsp 0x84 ActiveThreshold (2Bytes) InActiveThreshold

(2Bytes)

Reserved

(5Bytes,Fixed 0x00)

(1)Configure device parameters MinTime = 1min, MaxTime = 1min, BatteryChange = 0.1v, Acceleratedvelocitychange = 1m/s2

Downlink: 011C003C003C0100010000 003C(Hex) = 60(Dec)

Device returns:

811C000000000000000000 (configuration is successful)

811C010000000000000000 (configuration failed)

(2)Read device parameters

Downlink: 021C000000000000000000

Device returns:

821C003C003C0100010000 (current device parameters)

(3)Assuming that the Active Threshold is set to 10m/s2, the value to be set is 10/9.8/0.0625=16.32,and the last value obtained is

an integer and is configured as 16.

Assuming that the InActive Threshold is set to 8m/s2, the value to be set is 8/9.8/0.0625=13.06, and the last value obtained is

an integer and is configured as 13.

Configure device parameters ActiveThreshold=16, InActiveThreshold=13

Downlink: 031C0010000D0000000000

Device returns:

831C000000000000000000 (configuration is successful)

831C010000000000000000 (configuration failed)

Read device parameters

Downlink: 041C000000000000000000

Device returns:

841C0010000D0000000000 (device current parameter)

5.5 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.

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

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.

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

Wake up and collects data

REPORTS 3.6V

Wakes up and collects data

REPORTS 3.6V

Wakes up and collects data

REPORTS 3.6V

Wakes up and

collects data

3.6V

Does not report

Users push the button,

REPORTS 3.5V.

Recalculate MaxTime.

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