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Nexelec FEEL X520LS Technical Manual

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07/06/2023
D948B_Technical guide
SIGN RISE FEEL MOVE
LoRaWAN
1
D948B_SIGN RISE FEEL MOVE_LoRa_Technical_Guide_EN_v1.0 - Public

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Summary of Contents for Nexelec FEEL X520LS

  • Page 1 07/06/2023 D948B_Technical guide SIGN RISE FEEL MOVE LoRaWAN D948B_SIGN RISE FEEL MOVE_LoRa_Technical_Guide_EN_v1.0 - Public...
  • Page 2 07/06/2023 I. PRODUCT OVERVIEW Main functions ..........................4 Product diagram ..........................6 Kit description ..........................6 Operating environment and certifications ..................7 Support and integration tools ......................7 II. PRODUCT INSTALLATION Installation sites ..........................8 Detector mounting ........................9 Anti-theft mounting........................12 Anti-tear detection ........................

  • Page 3: Table Of Contents

    07/06/2023 Factors affecting product autonomy .................... 25 Typical use case ........................... 26 XIV. LORAWAN PARAMETERS Recommended LoRaWAN parameters ..................27 Network connection ........................27 Description of data transmission modes ..................28 General description of messages ....................30 Region-specific messages ......................31 - 01.

  • Page 4: Product Overview

    07/06/2023 I. Product overview 1. Main functions This document describes the technical operation of the 7-in-1 LoRaWAN-connected, battery- or USB- powered, NFC-configurable room sensors. The range comprises 4 products, depending on the sensors integrated: temperature, humidity, CO2, VOC, brightness, presence and noise. MODELE T°/HUM VOCS...
  • Page 5 07/06/2023 iZiAiR assesses Air Detects and Sound under control Reliable data Temperature I Quality measures ambient transmission Humidity Measures noise and light This on-board algorithm Transmission modes For beter indoor iden�fies noise pollu�on. The brightness sensor simplifies the adapted to every need, comfort.

  • Page 6: Product Diagram

    07/06/2023 2. Product diagram DIMENSIONS & WEIGHT 110 g including 2 batteries 3. Kit description 1 x product 1 x base 1 x double- sided adhesive 1 x microSD 256 MB 2 x screws & dowels 1 or 2 x batteries * : Depending on model.

  • Page 7: Conditions Of Use

    > Online downlink calculation tool for remote product reconfiguration: https://nexelec- support.fr/n/downlink/ > VOTL: Online product autonomy calculator : https://nexelec-support.fr/n/volt/ If you have any questions, our support team can be contacted by e-mail at support@nexelec.fr. D948B_SIGN RISE FEEL MOVE_LoRa_Technical_Guide_EN_v1.0 - Public...

  • Page 8: Product Installation

    07/06/2023 II. Product installation 1. Installation sites RECOMMENDED PLACES The equipment should be placed in a location representative of average exposure. Ideally, the product should be placed in a central area of the room, between 50cm and 2m high. A CO2 collector covers about 100m². PLACES TO AVOID To avoid distorting the measurements, try to position it away from exposed areas: >...

  • Page 9: Detector Mounting

    07/06/2023 2. Detector mounting MOUNTING THE DETECTOR ON A WALL The product can be wall-mounted either : > with screws and plugs, supplied with the product Follow the procedure below: > Choose a suitable location to mount the sensor on the wall >...
  • Page 10 07/06/2023 > by double-sided adhesive tape, supplied with the product: Follow the procedure below: > Choose a suitable location for wall-mounting the sensor > Remove the mounting base from the detector > Place the adhesive on the back of the base and press down for about ten seconds. >...
  • Page 11 07/06/2023 MOUNTING ON A STANDARD ELECTRICAL FLUSH-MOUNTING BOX A power supply kit is available in the Nexelec accessories list. It contains : > 220V to 5V USB transformer, can be integrated into flush-mounting boxes > A specially adapted USB cable (short length, angled end) >...

  • Page 12: Free-Standing

    07/06/2023 FREE-STANDING Simply place the detector on a piece of furniture or a shelf . 3. Anti-theft mounting The product is supplied with an M3x8 screw to lock it to its mounting base. In this way, the product cannot be removed from its base without a special tool. D948B_SIGN RISE FEEL MOVE_LoRa_Technical_Guide_EN_v1.0 - Public...
  • Page 13 07/06/2023 4. Anti-tear detection The product is fitted with a magnet to check whether or not the product is installed on its mounting base. This function ensures that products have not been removed from their base. As soon as the product is inserted or removed from its base, a LoRaWAN "Product status"...
  • Page 14 07/06/2023 — 02. Automatic network connection Once powered, the : > Initializes for approx. 5 seconds: steady green LED > Automatically attempts to connect to the LoRaWAN network The main LED and the secondary LED simultaneously display the stages of the product initialization and connection phase: At the end of the connection phase (approx.
  • Page 15 07/06/2023 III. Main buttons and LEDs l Main LED Main button Support type Actions generated Main LED : Low CO2 level Instant measurement and • Short press Average CO2 level transmission High CO2 level • Air quality indication 2 successive flashes of the LED : Network connection OK, Product OK Network connection OK, Battery low Product status:...
  • Page 16 Flashing : Connection attempt in progress Manual attempt to connect to Short press : Successful connection LoRaWAN network (join) : Failed connection Double reserved for Nexelec support Triple Product reboot Flashing for 5 seconds support CO2 calibration in progress Long press >...
  • Page 17 07/06/2023 V. Environmental measures PRECISION AND RESOLUTION Precision Type Unit range Resolution Typ. Max. 0 - 5000 ±(50 ppm ± 3% of value) VOCS µg/m3 0 - 15000 Temperature °C -30 - +70 ±0.2 °C ±0.4 °C Humidity %R.H. 0 - 100 ±2%RH ±3%RH Brightness...

  • Page 18: Measurement Period

    07/06/2023 MEASUREMENT PERIOD By default, the product measures every 10 minutes. The period can be configured via the LoRa or NFC downlink. > The following measurements are taken continuously between two transmissions: The sound level is measured for 200 ms every 10 seconds. Average and maximum values are calculated between two transmissions.

  • Page 19: Automatic Calibration

    07/06/2023 VI. CO2 measurement TECHNOLOGY The product features a CO2 sensor with NDIR non-dispersive infrared technology. AUTOMATIC CALIBRATION CO2 is measured using NDIR infrared technology. This optical technology can cause the measurement to drift over time, which the product automatically compensates for using an ABC (Automatic Baseline Correction) method.

  • Page 20: Battery-Powered

    07/06/2023 VII. Motion detection (PIR) The motion sensor detects up to 6m in front of the product, and at an angle of 92°. VIII. LED indicator for CO2 The air quality sensor operates autonomously and indicates air confinement via the product's main LED: BATTERY-POWERED USB POWER SUPPLY Good air quality...
  • Page 21 Confirmation of poor air quality: ON | OFF X. iZiAiR Nexelec has designed the iZiAir integrated algorithm to simplify indoor air quality assessment. The algorithm adapts to the measurement data available, enabling rapid assessment of air quality levels. IZiAir can analyze up to 9 pollutants simultaneously. The algorithm measures the concentration of each of these pollutants, and prioritizes their hazardousness.
  • Page 22 07/06/2023 XI. NFC access to measurements The data measured by the product can be consulted via the NFC TOUCH application. This function is particularly useful for : > View current values of various environmental parameters : o Temperature o Relative humidity o CO2 concentration o VOC concentration o Brightness...
  • Page 23 07/06/2023 XII. Recording measurements on SD card Environmental measurements can be stored on the sensor's MicroSD card. This function is particularly suitable for analyzing all product measurements over a relatively long period, typically from several days to several months. A file is created each month, and updated daily with the day's measurements. The file on the SD card is also updated when the sensor is removed from its holder.

  • Page 24: Replacing The Sd Card

    07/06/2023 COPY FILES TO YOUR COMPUTER REPLACING THE SD CARD Replace the SD card in the sensor, then the power supply (battery or USB). Replace the sensor on its base and install the anti-theft screw. 3. Troubleshooting : The date or time of recordings on the SD card is incorrect: The product's time is automatically set by the phone when it starts recording measurements via the NFC TOUCH application.

  • Page 25: Factors Affecting Product Autonomy

    1. Estimating my product's autonomy An online calculation tool is available: https://nexelec-support.fr/n/volt/ It allows you to evaluate product autonomy according to transmission modes, network parameters, LED activation time, etc. You can also access it by scanning or clicking on the Qr Code : 2.

  • Page 26: Typical Use Case

    07/06/2023 3. Typical use case The table below gives the autonomy of the product powered by 2 SAFT LS14500 batteries under standard conditions and configurations (LoRaWAN SF10). CONFIGURATION AUTONOMY FEEL Periodic mode:30 minutes 22 years old Datalog, measure 30 minutes, send 3h, FEEL 38 years old repeat transmission 3...

  • Page 27: Lorawan Parameters

    07/06/2023 XIV. LoRaWAN parameters 1. Recommended LoRaWAN parameters LoRaWAN protocol version: Product compatible with versions 1.1.0 and 1.0.4 Regional parameters: Product compatible with parameters RP001 1.1 rev B and RP002 1.0.3 Profile: Class A (RX2SF9 or RX2SF12) Available frequencies: EU868 Join type : OTAA AppEUI: 0x70B3D540FCAD56DF DevEUI: Unique identifier for each product.

  • Page 28: Description Of Data Transmission Modes

    07/06/2023 will automatically attempt to join the network as described in the section Commissioning strategy in the event of initial failure). 3. Description of data transmission modes PERIODIC DATA This mode enables periodic transmission of data measured by the product. The data transmission period is configurable.
  • Page 29 07/06/2023 HISTORICAL DATA (DATALOG) AND REDUNDANCY The data logging function (Datalog) enables multiple measurements to be combined in a single LoRa message. This function makes it possible to : > Reduce the number of messages sent by the product to increase autonomy >...

  • Page 30: General Description Of Messages

    07/06/2023 4. Description general messages The different types of messages are described below: Function details Message index Message Can be Configurable transmission deactivated Periodic data 0x01 Periodical and event- based Historical data 0x02: CO2 Periodical (datalog) 0x03: Temperature Product status 0x05 24-hour periodical and event-driven...

  • Page 31: Region-Specific Messages

    07/06/2023 5. Region-specific messages — 01. Historical data (EU868 version) Data is logged and sent at regular intervals. They are ordered from the most recent value to the oldest. The first value (index n in the message description) corresponds to the current value. The n-1 value represents the previously measured value, and so on.

  • Page 32: Periodic Data (Eu868)

    07/06/2023 Measurement CO2 or temperature See table above [n-1] measurement See table above Measurement CO2 or temperature [n-x] measurement Not used Filling the message with 0s to obtain an integer number of bytes — 02. Data periodic (EU868) The product measures and sends a message containing environmental data in the following format : Offset Size Data...
  • Page 33 07/06/2023 16381: Sensor deactivated VOCS Concentration in µg/m3 0-15000 0-15000 µg/m3 16383: Error 16382: Sensor not present 16381: Sensor deactivated Brightness Brightness in lux 0-1020 0-5100 1023 : Error 1022 : Sensor not present 1021: Sensor deactivated Button Button press detection 0: no button press detected 1: button press detected Average noise...
  • Page 34 07/06/2023 3: Reserved 4: Attention 5..6: Reserved 7: Error IAQ Source Main pollutant iZiAIR 0: None 1..4: Reserved 5: CO2 6: VOC 7-14: Reserved 15: Error IAQ CO2 iZiAIR CO2 specific level 0: Very good 1: Reserved IAQ VOCs iZiAIR VOC-specific level 2: Medium 3: Reserved 4: Attention...

  • Page 35: Product Status (Eu868)

    07/06/2023 — 03. Product status (EU868) This message is sent when the product is switched on, repeated every day and sent instantly when any of the following information changes: > equipment condition (HW), > status of pending membership application. Data is sent in the following format: Offset Size Data...
  • Page 36 07/06/2023 4 : External power supply 5 - 7 : Reserved Overall Product material status 0 : Hardware OK product status 1: Material defect Temp/Hum Sensor status (T°/Hum) 0 : Sensor OK status 1: Sensor fault CO2 status Sensor status (CO2) 2: Sensor not present VOC status Sensor status (VOC)

  • Page 37: Product Configuration (Eu868)

    07/06/2023 2: Sensor removed from base just 3: Sensor installed on bracket just Reserved — 04. Product configuration (EU868) A message confirming the current product configuration is sent : > During the product start-up phase > During each reconfiguration > Every 7 days Offset Size...
  • Page 38 07/06/2023 Measurement Time in minutes between two 5 - 30 5 - 30 period measurements 0: measurements disabled CO2 On / Off Activating / deactivating CO2 measurements 1: active measures COV On / Off 0: measurements disabled Activation / deactivation of VOC measurements 1: active measures PIR On / Off...
  • Page 39 07/06/2023 LoRa region Deployment region 0: EU868 1: US915 2: AS923 3: AU915 4: KR920 5 : IN865 6: RU864 7-15: Reserved Periodic data On Activate / Deactivate periodic 0: Non-active; 1: Active / Off data transmission Periodic data Periodic data transmission 1 - 60 1 - 60 transmission...

  • Page 40: Product Configuration And Remote Control

    XV. Product configuration and remote control An online downlink calculation tool is available: https://nexelec-support.fr/n/downlink The product can be reconfigured to best suit each use case. This reconfiguration can be carried out : > locally, using a smartphone or tablet via the NFC TOUCH application;...

  • Page 41: Light And Sound Indicator Settings

    07/06/2023 2. Configurations for light and sound indicators CONFIGURATION TYPE DEFAULT VALUE POSSIBLE CONFIGURATIONS Orange" LED threshold configuration 800 ppm 0 - 5000 ppm Red" LED threshold configuration 1500 ppm 0 - 5000 ppm LED CO2 indicator light Activated On | Off Orange"...

  • Page 42: Commands Related To Product Maintenance, Reliability And Safety

    07/06/2023 Datalog transmission period 30 min - 24h Number of transmissions of the same measure 1 - 24 4. Commands related to product maintenance, reliability and safety ORDER TYPE PARAMETER NFC interface accessibility Discoverable | Non-discoverable Product restart Network connection request Delay before connection attempt 10 - 10080 minutes* * In NFC mode, this parameter is not reconfigurable and the network connection request is instantaneous.

  • Page 43: Remote Product Configuration Via A Lorawan Network

    Next, the following bytes can be used to reconfigure the product format: Command ID and DATA. Note: Downlink functionality will certainly evolve in the future. To ensure backward compatibility, Nexelec recommends sending IDs from the lowest to the highest value.
  • Page 44 Activation / deactivation of "Orange" level notification LED CO2 1: activated 0x2F 5 - 30 5 - 30 minutes Period between two measurements 0x33 Nexelec reserved order 0x46 Nexelec reserved order 0x47 Nexelec reserved order 0x48 Nexelec reserved order 0x49...
  • Page 45 07/06/2023 1: activated 0x55 0 / 1 0: disabled Activate/deactivate brightness measurement 1: activated 0x56 0 / 1 0: disabled Activation/deactivation of sound level measurement (microphone) 1: activated 0x57 0 / 1 0: disabled Activation / deactivation of VOC measurement 1: activated 0x58 0 / 1...
  • Page 46 07/06/2023 Examples Example 1: > Activate LED > LED function = CO2 level > Deactivate average level indication Frame structure, from LSB to MSB Byte Value Info 0x55 Header for 1 message reconfiguration 0x03 Activation of LED ID 0x01 Value to activate LED 0x2D Identification LED function 0x01...

  • Page 47: Product Configuration Via Nfc

    The TOUCH product reconfiguration application is available on Android and iOS for devices (mobile, tablet) equipped with an NFC interface. 3. Access to TOUCH Android application documentation Documentation for the Touch application is available on the support site. Link: https://support.nexelec.fr/fr/support/solutions/folders/80000680573 D948B_SIGN RISE FEEL MOVE_LoRa_Technical_Guide_EN_v1.0 - Public...

  • Page 48: Markings

    07/06/2023 XVIII. Markings XIX. Tracking developments Document Details Date revision Created 31/08/2023 12/09/2023 Minor modifications D948B_SIGN RISE FEEL MOVE_LoRa_Technical_Guide_EN_v1.0 - Public...

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