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Delta UNOnext User Manual
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Delta UNOnext User Manual

Indoor air quality monitor, mqtt
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UNOnext indoor air quality monitor
MQTT User Guide
VER 0.3
1

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Summary of Contents for Delta UNOnext

  • Page 1 UNOnext indoor air quality monitor MQTT User Guide VER 0.3...
  • Page 2 【Revision 】 Date Version Description 2021/ 05 / 14 Initial Version 2021/ 10 / 12 Correct MQTT PM2.5 topic name in flatten mode 2021/ 10 /29 Correct the description on device power in Nested mode * We reserve the right to change the information in this document without prior notice...
  • Page 3 This user guide focus on how to receive data from UNOnext via MQTT publishing and describe the data content published from UNOnext.

  • Page 4: Required Firmware Version

    TVOC HCHO Number Humid. PM10 UNO-6SR UNO-7TR UNO-6SW UNO-9SW UNO-7HW *The above are standard products. If you need a special combination, please contact Delta dealers. 【Required Firmware Version】 Name Version Sensor 1.01.45 Device 0.2.9 Wi-Fi 0.1.13 *The above are the minimal version requirement for this document...
  • Page 5 It will connect to the default broker and UNONext APP/Web (subscriber) will retrieve information from server. UNOnext also can be set to connect to other MQTT broker. Then user can connect to the broker to receive sensor data via MQTT client application. Please note if the default broker has been changed, the UNO APP and UNO Web won’t receive any data.
  • Page 6 【UNOnext MQTT Data Format】 The data format of UNOnext follows JSON format. JSON is a standard text-based format with key-value pairing style. This section describes the meaning of the item in UNOnext’s JSON and how to parsing valuable data from it.
  • Page 7 UNOnext (2040N02F0168) should be: unonextw/2040N02F0168/CO2 { Value : 800.0, unit : “ppm”} The below is the description of UNOnext’s objects (topics). ( 2040N02F0168 is a simulated UNOnext SN. Replace it with your UNOnext’s SN ) Description Topic 1 unonextw/2040N02F0168/WifiFirmware Wi-Fi firmware version of UNOnext.
  • Page 8 For example, the topic of UNOnext (2040N02F0168) should be: unonextw/2040N02F0168/nextData ( 2040N02F0168 is a simulated UNOnext SN. Replace it with your UNOnext’s SN ) The below is the structure of UNOnext’s data of nested mode: Level 1 Level 2...
  • Page 9 【UNOnext Nested Mode】 Level 1 Level 2 Value Description Reserved. Internal use only [ Val1, Val2, environment The environment information: Val3, Val4] Val1 Temperature ( 0.01 0.01 Val2 NTC temprature ( (null if no NTC) Val3 Relative Humidity (%) 0.01...
  • Page 10 Level 2 Value Description [ Val1, Val2, device err_code If UNOnext is run in RS485 mode, this item shows the Val3, Val4, status of the ventilation fan: Val5, Val6, Val1 1: Fan1 online 0: Fan1 offline Val7, Val8 ] Val2 0: Fan1 normal...

  • Page 11: Getting Started

    【Getting started】 This section will demonstrate how to receive data from UNOnext through MQTT client. For this example, we need a message broker, an UNOnext, a MQTT client software and UNOnext Engi- neer APP. ＊ MQTT client : we will use MQTT explorer, a desktop MQTT client software.

  • Page 12: Step 1 : Configure Network

    192.168.1.168 (The MQTT broker’s IP address in this example). Next, we need to con- figure the UNOnext to connect the wireless AP. (The SSID name is “ASUS_JERRY” in this ex- ample) Step 1.1 : Setting UNOnext’s Wi-Fi connection A : Run UNO Engineer APP and find the UNOnext (2051N07F3043) B : The BLE’s notification remains lit.
  • Page 13 Note : The phone’s wi–fi function should be Step 1.1 : Setting UNOnext’s Wi-Fi connection enabled on this step C : Click the Wi-Fi icon to configure Wi-Fi connection. D : Select the Wi - Fi AP’s name.
  • Page 14 Step 1.1 : Setting UNOnext’s Wi-Fi connection E : Input the password and press the connect button. Then UNOnext will start to connect Wi Fi. F : After serval seconds, the Wi-Fi’s notification should remain lit if everything is fine.
  • Page 15 Step 2 : Setting UNOnext’s MQTT configration A : After network configuration done, click “Eng” icon into device configuration page. B : Enter MQTT configuration page.
  • Page 16 Step 2 : Setting UNOnext’s MQTT configration D : Press “EDIT” to change MQTT’s default config. E : Input the MQTT broker’s IP/Port/user name/password and press “Enter”. The UNOnext will connect to MQTT’s new broker automatically now.
  • Page 17 Step 3 : Receive UNOnext’s data from MQTT Explorer A : Run the MQTT explorer on PC. The first page in app you need to a new connection for UNOcentral. Then fill the MQTT broker’s IP/port/user account/password and press “connect”.
  • Page 18 F and the co2 value is 801 ppm. Note : If the MQTT’s configuration is changed, the UNO APP and UNO WEB won’t receive UNOnext data. You can click “reset” button in MQTT setting page to restore to default set-...