Netvox R718B2 Bedienungsanleitung

Model：R718B2

Wireless 2-Gang Resistance Temperature Detector

Wireless 2-Gang Resistance

Temperature Detector

R718B2

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.......................................................................................................................................................................5

6. Installation ........................................................................................................................................................................ 8

7. Information about Battery Passivation.............................................................................................................................9

7.1 To determine whether a battery requires activation..................................................................................................9

7.2 How to activate the battery ....................................................................................................................................... 9

8. Important Maintenance Instruction................................................................................................................................10

1. Introduction

R718B2 is a Wireless 2-Gang Resistance Temperature Detector for Netvox ClassA type devices based on the LoRaWAN open protocol

and is compatible with the LoRaWAN protocol.

R718B2 connects two external resistance temperature detectors (PT1000) to measures the temperature.

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

Round head probe

PT1000

Indicator

Function Key

Needle probe L-type probe

3. Main Features

Adopt SX1276 LoRa wireless communication module

2 ER14505 battery AA SIZE (3.6V / section) parallel power supply

PT1000 Platinum resistance temperature sensor detection

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

Host body protection class IP65 / IP67 (optional)

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

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 of various models in 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 for 20 times.

Power off Remove Batteries.

Note:

1. Remove and insert the battery; the device is at off state by default. Press and hold

the function key for 3 seconds till the green indicator flashes once to turn on the

device.

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

capacitor inductance and other energy storage components.

3. At 1st -5th second 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

(not at factory setting mode)

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 (when the device is on)

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

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 an uplink packet including temperature1, temperature2 and

battery voltage.

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

Default setting:

MaxTime : Max Interval = 15 min = 900s

MinTime : Min Interval = 15 min = 900s

BatteryChange: 0x01 (0.1V)

TemperatureChange:0x0064 (10°C)

Note:

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

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.

Report configuration example:

1. Configure device parameters MinTime = 1min, MaxTime = 1min, BatteryChange = 0.1v, Temperaturechange = 10℃

Downlink: 0114003C003C0100640000

Device returns:

8114000000000000000000 (configuration successful)

8114010000000000000000 (configuration failed)

2. Read device parameters

Downlink: 0214000000000000000000

Device returns:

8214003C003C0100640000 (current device configuration parameters)

Description Device CmdID Device

Type NetvoxPayLoadData

ConfigReport

Req

R718B2

0x01

0x14

MinTime

(2bytes Unit:s) MaxTime

(2bytes Unit:s) BatteryChange

(1byte Unit:0.1v) TemperatureChange

(2byte Unit:0.1℃) 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) TemperatureChange

(2byte Unit:0.1℃) Reserved

(2Bytes,Fixed 0x00)

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 2H

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.

3) We do not recommend to set the MinTime Interval value too low. If the MinTime Interval is too low, the device wakes up frequently and the battery

will be drained soon.

4) Whenever the device sends a report, no matter resulting from data variation, button pushed or MaxTime interval, another cycle of MinTime/MaxTime

calculation is started.

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.

6. Installation

This product comes with waterproof function.

When using it, the back of it can be adsorbed on the iron surface, or the two ends can be fixed to the wall with screws.

1. The Wireless 2-Gang Resistance Temperature Detector

(R718B2) has a built-in magnet (see Figure 1 below). When

installed, it can be attached to the surface of an object with

iron which is convenient and quick.

To make the installation more secure, use screws (purchased)

to secure the unit to a wall or other surface (see Figure 2

below).

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.

R718B2 is suitable below scenarios:

Oven

Industrial control equipment

Semiconductor industry

2. When R718B2 is compared with the last reported

values, the temperature change is exceeded 0.1°C

(default),it will report values at the MinTime interval;

If does not exceeded 0.1°C (default) ,it will report values

at the MaxTime interval;

Temperature probe

Note:

Please do not disassemble the device unless it is required to replace the batteries.

Do not touch the waterproof gasket, LED indicator light, function keys when replacing the batteries. Please use suitable screwdriver to

tighten the screws (if using an electric screwdriver, it is recommended to set the torque as 4kgf) to ensure the device is impermeable.

7. Information about Battery Passivation

Many of Netvox devices are powered by 3.6V ER14505 Li-SOCl2 (lithium-thionyl chloride) batteries that offer many advantages

including low self-discharge rate and high energy density.

However, primary lithium batteries like Li-SOCl2 batteries will form a passivation layer as a reaction between the lithium anode and

thionyl chloride if they are in storage for a long time or if the storage temperature is too high. This lithium chloride layer prevents rapid

self-discharge caused by continuous reaction between lithium and thionyl chloride, but battery passivation may also lead to voltage

delay when the batteries are put into operation, and our devices may not work correctly in this situation.

As a result, please make sure to source batteries from reliable vendors, and the batteries should be produced within the last three

months.

If encountering the situation of battery passivation, users can activate the battery to eliminate the battery hysteresis.

7.1 To determine whether a battery requires activation

Connect a new ER14505 battery to a 68ohm resistor in parallel, and check the voltage of the circuit.

If the voltage is below 3.3V, it means the battery requires activation.

7.2 How to activate the battery

a. Connect a battery to a 68ohm resistor in parallel

b. Keep the connection for 6~8 minutes

c. The voltage of the circuit should be ≧3.3V

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