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netvox R718A User Manual

Wireless temperature and humidity sensor for low temperature environment
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R718A
Wireless Temperature and Humidity Sensor for
Low Temperature Environment
Wireless Temperature and Humidity Sensor
for Low Temperature Environment
R718A
User Manual
Copyright©Netvox Technology Co., Ltd.
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

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Summary of Contents for netvox R718A

  • Page 1 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...

  • Page 2: Table Of Contents

    Table of Contents 1. Introduction ..........................1 2. Appearance ........................... 2 3. Features ............................2 4. Setup Instructions ......................... 3 5. Data Report ........................... 4 5.1 Example of ReportDataCmd ....................5 5.2 Example of Report Configuration ................... 6 5.3 Example of GlobalCalibrateCmd .................... 7 5.4 Example of Set/GetSensorAlarmThresholdCmd ..............

  • Page 3: Introduction

    1. Introduction R718A, mainly used to detect the temperature and humidity at low temperature environment such as the freezer air. It collects data over LoRa network and sends it to devices to be shown, fully compatible with LoRa protocol. LoRa Wireless Technology LoRa is a wireless communication technology dedicated to long distance and low power consumption.

  • Page 4: Appearance

    ⚫ IP65 ⚫ Compatible with LoRaWAN Class A ⚫ Frequency hopping spread spectrum ⚫ Applicable to third-party platforms: Actility/ThingPark, TTN, MyDevices/Cayenne ⚫ Low power consumption and long battery life ⚫ Note: Please visit http://www.netvox.com.tw/electric/electric_calc.html for more information about battery life.

  • Page 5: Setup Instructions

    4. Setup Instructions On / Off Power on Insert batteries. (Users may need a screwdriver to open the battery cover. ) Turn on Press and hold the function key for 3 seconds until the green indicator flashes once. Turn off / Factory Reset Press and hold the function key for 5 seconds until the green indicator flashes 20 times.

  • Page 6: Data Report

    The device report interval will be programmed based on the default firmware which may vary. b. The interval between two reports must be the minimum time. c. Please visit Netvox LoRaWAN Application Command document and Netvox Lora Command Resolver http://cmddoc.netvoxcloud.com/cmddoc to resolve uplink data.

  • Page 7: Example Of Reportdatacmd

    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 to the devicetype NetvoxPayLoadData–...

  • Page 8: Example Of Report Configuration

    (2 Bytes, (2 Bytes, unit: s) unit: s) unit: 0.1v) unit: 0.01℃) unit: 0.01%) ConfigReport Status Reserved 0x81 (0x00_success) (8 Bytes, fixed 0x00) 0x0B R718A ReadConfig Reserved 0x02 ReportReq (9 Bytes, Fixed 0x00) Temperature Humidity MinTime MaxTime BatteryChange ReadConfig Change Change...

  • Page 9: Example Of Globalcalibratecmd

    5.3 Example of GlobalCalibrateCmd FPort: 0x0E Sensor Description CmdID PayLoad (Fix = 9 Bytes) Type Channel Multiplier Divisor DeltValue Reserved SetGlobal (1 Byte) 0x01 (2 Bytes, (2 Bytes, (2 Bytes, (2 Bytes, fixed CalibrateReq 0_Channel1 unsigned) unsigned) signed) 0x00) 1_Channel2, etc. Channel (1 Byte) SetGlobal Status...
  • Page 10 (2) Device reports 28.15°C when the actual temperature is 18.15°C. → Calibration should decrease 10°C (unit: 0.01°C). SetGlobalCalibrateReq: SensorType = 0x01; Channel = 0x00; Multiplier =0x0001; Divisor = 0x0001; DeltValue = 0xFC18 Downlink: 01010000010001FC180000 Response: 8101000000000000000000 GetGlobalCalibrateReq Downlink: 0201000000000000000000 Response: 82010000010001FC180000 (2) Reported temperature back to 28.15℃...

  • Page 11: Example Of Set/Getsensoralarmthresholdcmd

    5.4 Example of Set/GetSensorAlarmThresholdCmd FPort: 0x10 CmdID CmdDescriptor Payload (10 Bytes) (1 Byte) SensorType (1 Byte, Channel (1 Byte, SensorHighThreshold SensorLowThreshold 0x00_Disable ALL SetSensorAlarm 0x00_Channel1, (4 Bytes, unit: (4 Bytes, unit: 0x01 SensorthresholdSet ThresholdReq 0x01_Chanel2, 0.01℃_temperature; 0.01℃_temperature; 0x01_Temperature, 0x02_Channel3, etc.) 0.01%_humidity 0.01%_humidity 0x02_Humidity,...

  • Page 12: Example Of Netvoxlorawanrejoin

    5.5 Example of NetvoxLoRaWANRejoin (NetvoxLoRaWANRejoin command is to check if the device is still in the network. If the device is disconnected, it will automatically rejoin back to the network.) Fport: 0x20 CmdID CmdDescriptor Payload (5 Bytes) (1 Byte) RejoinCheckPeriod (4 Bytes, unit: 1s RejoinThreshold SetNetvoxLoRaWANRejoinReq...

  • Page 13: Example For Mintime/Maxtime Logic

    5.6 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) Wakes up and collect data Wake up and collect data Wakes up and collect data REPORTS 3.5V REPORTS 3.6V REPORTS 3.6V...
  • Page 14 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.

  • Page 15: Installation

    The waterproof breathable membrane inside the product is not resistant to vapor. To prevent water vapor from condensing inside the body, please do not use the product in high humidity and steam environment. The Wireless Temperature and Humidity Sensor (R718A) 3. Recommended installation height: 1 to 2 m has a built-in magnet.
  • Page 16 Battery Installation Step 1. Unscrew the four corners of the device with a screwdriver. Step 3. Step 2. After inserting the batteries, put the lid back and tighten the four Put 2 ER14505 batteries into the case. screws. Positive Negative Note: a.

  • Page 17: Information About Battery Passivation

    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.

  • Page 18: Important Maintenance Instructions

    8. Important Maintenance Instructions Kindly pay attention to the following to achieve the best maintenance of the product: • Do not use or store the device in a dusty or dirty environment. It might damage its detachable parts and electronic components. •...