Netvox R718CN2 Manuale utente

Wireless 2-Gang Thermocouple Sensor for K/T/N Type

R718CK2 / R718CT2 / R718CN2

Wireless 2-Gang Thermocouple Sensor

for

K/T/N Type

R718CK2/CT2/CN2

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 ...................................................................................................................................................................................3

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

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

5.1 Example of ReportDataCmd ....................................................................................................................................................5

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

5.3 Example for MinTime/MaxTime logic.....................................................................................................................................8

6. Installation ........................................................................................................................................................................................9

7. Information about Battery Passivation...........................................................................................................................................10

7.1 To determine whether a battery requires activation................................................................................................................10

7.2 How to activate the battery.....................................................................................................................................................10

8. Important Maintenance Instruction ................................................................................................................................................11

1. Introduction

R718CK2 (nickel-chromium-nickel silicon thermocouple):

Its use temperature is -40 ~ +375℃, with good linearity, large thermoelectromotive force, high sensitivity, stability, can not be

used directly at high temperature for sulfur, reducing or reducing It is not recommended for use in weak oxidizing

atmospheres in oxidizing alternating atmospheres and in vacuum.

R718CT2 (copper-copper-nickel thermocouple):

Its use temperature is -40 ~ +125℃, it is used in the temperature range of -40~0℃, and the stability is better.

R718CN2 (nickel-chromium-silicon-nickel-silicon-magnesium thermocouple):

Its use temperature is -40 °C~ +800°C, the N-type thermocouple has good linearity, large thermoelectromotive force, high

sensitivity, and good stability and uniformity. It has strong oxidation resistance and is not affected by short-range ordering.

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

3. Main Features

Adopt SX1276 wireless communication module

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

Main body protection class IP65/IP67

External thermocouple sensor protection class:

K-type thermocouple IP50

T-type thermocouple IP67

N-type thermocouple IP50

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

2-way thermocouple detection

Compatible with LoRaWANTM Class A

Frequency hopping spread spectrum

Configuration parameters can be configured via a third-party software platform

Applicable to third-party platforms: Actility/ThingPark, TTN, MyDevices/Cayenne

Low power consumption, longer battery life support:

Battery life is determined by sensor reporting frequency and other variables,

please refer to http://www.netvox.com.tw/electric/electric_calc.html

On the website, users can find battery life of various models in different configurations.

Indicator

Function Key

4. Set up Instruction

On/Off

Power on Insert batteries. (User 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.

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 mode)

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

(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:

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)

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 package report and a report data with temperature and voltage values.

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

Default setting:

Max Interval: 0x0384 (900s)

Min Interval: 0x0384 (900s)

Battery Change: 0x01 (0.1V)

Temperature Change: 0x00064 (10°C)

Note:

(1)The real data sending cycle will be programmed before shipment.

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

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

http://cmddoc.netvoxcloud.com/cmddoc to resolve uplink data.

Device DeviceType ReportType NetvoxPayLoadData

R718CK2

R718CT2

R718CN2

0x16

0x17

0x18

0x01 Battery

(1Byte, unit:0.1V) Temperature1

(Signed2Bytes,unit:0.1°C) Temperature2

(Signed2Bytes,unit:0.1°C) Reserved

(3Bytes,fixed 0x00)

Example 1 of Uplink: 0116012400FD0109000000

1st byte (01): Version

2nd byte (16): DeviceType 0x16－R718CK2

3rd byte (01): ReportType

4th byte (24): Battery, 24Hex=36 Dec, 36x0.1v = 3.6v

5th6th byte (00FD): Temperature1, 00FD Hex=253 Dec, 253x0.1°C = 25.3°C

7th8th byte (0109): Temperature2, 0109 Hex=265 Dec, 265x0.1°C = 26.5°C

9th-11th byte (000000): Reserved

Example 2 of Uplink:0117019FFF39FEC5000000

1st byte (01): Version

2nd byte (17): DeviceType 0x17－R718CT2

3rd byte (01): ReportType

4th byte (9F): Battery, 1F Hex = 31 Dec, 31x0.1v=3.1v // low battery

5th6th byte (FF39): Temperature1, FF39 Hex= -199 Dec,-199 x 0.1°C = -19.9°C

7th8th byte (FEC5): Temperature2, FEC5 Hex= -315 Dec,-315 x 0.1°C = -31.5°C

9th-11th byte (000000): Reserved

Tips

1. Battery Voltage:

The voltage value is bit 0 ~ bit 6, bit 7=0 is normal voltage, and bit 7=1 is low voltage.

Battery=0xA0, binary=1010 0000, if bit 7= 1, it means low voltage.

The actual voltage is 0010 0000 = 0x20 = 32, 32*0.1v =3.2v

2. Version Packet:

When Report Type=0x00 is the version packet, such as 0116000A0B202005200000, the firmware version is 2020.05.20

3. Data Packet:

When Report Type=0x01 is data packet.

4. Signed Value:

When the temperature is negative, 2's complement should be calculated.

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

ConfigReport

Req

R718CK2

R718CT2

R718CN2

0x01

0x16

0x17

0x18

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)

(1)Configure R718CK2 report parameters:

MinTime = 1min、MaxTime = 1min、BatteryChange = 0.1v、TemperatureChange = 1°C (10*0.1°C)

Downlink：0116003C003C01000A0000 3C(Hex) =60(Dec) 0A(Hex) = 10(Dec)

Response：

8116000000000000000000 (Configuration success)

8116010000000000000000 (Configuration failure)

(2)Read Configuration:

Downlink：0216000000000000000000

Response：

8216003C003C01000A0000 (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 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.

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.

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.

6. Installation

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.

1. The Wireless Thermocouple Sensor has a built-in

magnet. 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.

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.

R718CK2/CT2/CN2 is suitable below scenarios:

Oven

Industrial control equipment

Semiconductor industry

2. When Wireless Thermocouple Sensor is compared with the

last reported values, the temperature change is exceeded

10°C (default), it will report values at the MinTime interval.

If does not exceeded 10°C (default), it will report values at the

MaxTime interval.

Temperature probe

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