Netvox R718CT User manual

Mode：R718CT/CK/CR

Wireless Thermocouple Sensor for Type T/K/R

Wireless Thermocouple Sensor for

Type T/K/R

R718CT/CK/CR

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 Features .............................................................................................................4

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

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

5.1 Example of Report configuration.......................................................................7

5.2 Example of Temperature Calibration..................................................................8

5.3 Example for MinTime/MaxTime logic...............................................................9

6. Installation ................................................................................................................11

7. Information about Battery Passivation.....................................................................12

7.1 To determine whether a battery requires activation..........................................12

7.2 How to activate the battery...............................................................................12

8. Important Maintenance Instruction ..........................................................................13

1. Introduction

R718CK: The detecting range of R718CK is -40 °C~ +375°C.

R718CK has the characteristics of good linearity, bigger thermal electromotive force, high sensitivity

and stability.

R718CT: The detecting range of R718CT is -40 °C~ +125°C.

R718CT is more stable when detecting the temperature range of -40°C~0°C.

R718CR: The detecting range of R718CR is 0°C ~ +1100°C.

R718CR has the best accuracy and stability. R718CR has the characteristics of wide detecting

temperature range, long lifespan, stable thermal electromotive force, as well as good oxidation

resistance.

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

Thermocouple Sensor

3. Main Features

⚫Apply SX1276 wireless communication module

⚫2 section of ER14505 battery in parallel (AASIZE 3.6V / section)

⚫Main body IP rating: IP65/IP67 (optional)

⚫Thermocouple Sensor IP rating: K Type-IP60, T Type-IP65, R Type-IP60

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

⚫Thermocouple detection

⚫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

⚫Improved power management for longer 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. 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 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

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 temperature

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.

5.1 Example of Report configuration

FPort：0x07

Bytes

Var(Fix =9 Bytes)

CmdID

DeviceType

NetvoxPayLoadData

CmdID–1 byte

DeviceType–1 byte –Device Type of Device

NetvoxPayLoadData–var bytes (Max=9bytes)

ConfigReport

Req

R718CK

R718CT

R718CR

0x01

0x91

0x92

0x93

MinTime

(2bytes Unit:s)

MaxTime

(2bytes Unit:s)

BatteryChange

(1byte Unit:0.1v)

Temperature

Change

(2byte

Unit:0.1°C)

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(1b

yte Unit:0.1v)

Temperature

Change

(2byte

Unit:0.1°C)

Reserved

(2Bytes,Fixed

0x00)

(1) Configure R718CK report parameters:

MinTime = 1min、MaxTime = 1min、BatteryChange = 0.1v、TemperatureChange = 1°C

Downlink：0191003C003C01000A0000 3C(Hex) =60(Dec) 0A(Hex) = 10(Dec)

Response：

8191000000000000000000 (Configuration success)

8191010000000000000000 (Configuration failure)

(2) Read Configuration:

Downlink：0291000000000000000000

Response：

8291003C003C01000A0000 (Current configuration)

5.2 Example of Temperature Calibration

Port:0x0E

Description

CmdID

SensorType

PayLoad (Fix =9 Bytes)

SetGlobal

CalibrateReq

0x01

Channel(1Byte)

0_Channel1,

1_Channel2,etc

Multiplier

(2bytes,

Unsigned)

Divisor

(2bytes,

Unsigned)

DeltValue

(2bytes,Signed)

Reserved

(2Bytes,Fixed

0x00)

SetGlobal

CalibrateRsp

0x81

Channel(1Byte)

0_Channel1,

1_Channel2,etc

Status

(1Byte,0x00_success)

Reserved

(7Bytes,Fixed 0x00)

GetGlobal

CalibrateReq

0x02

Channel

(1Byte,0_Channel1,1_Channel2,etc)

Reserved

(8Bytes,Fixed 0x00)

GetGlobal

CalibrateRsp

0x82

Channel(1Byte)

0_Channel1,

1_Channel2,etc

Multiplier

(2bytes,

Unsigned)

Divisor

(2bytes,

Unsigned)

DeltValue

(2bytes,Signed)

Reserved

(2Bytes,Fixed

0x00)

ClearGlobal

CalibrateReq

0x03

Reserved

(10Bytes,Fixed 0x00)

ClearGlobal

CalibrateRsp

0x83

Status

(1Byte,0x00_success)

Reserved

(9Bytes,Fixed 0x00)

SensorType : Temperature 0x01

(1) Temperature calibration:

If the temperature the R718CX detects is 16° and the actual temperature is 26°, it means the

calibration we want to make is +10°

SensorType =0x01, Channel 1= 0x00, Multiplier = 0x0001, Divisor =0x0001, DeltValue=0x0064

Downlink：0101000001000100640000

Response：

8101000000000000000000 (Configuration success)

8101000100000000000000 (Configuration failure)

(4) Check whether the temperature calibration

Downlink：0201000000000000000000

Response：8201000001000100640000（Current configuration）

5.3 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

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

Wake up and collects data

REPORTS 3.6V

Wakes up and collects data

REPORTS 3.6V

Wakes up and collects data

REPORTS 3.6V

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