{
 "manufacturer": "Siemens",
 "manufacturer_slug": "siemens",
 "model": "QNA2..D indoor air quality multi-sensor (BACnet IP / MS/TP)",
 "model_slug": "qna2-indoor-air-quality-multi-sensor",
 "short_model": "QNA2..D",
 "aliases": [
  "QNA2",
  "QNA2..D",
  "Siemens QNA2",
  "IAQ multi-sensor"
 ],
 "equipment_type": "Indoor air quality sensor (temperature, humidity, CO2, TVOC, PM2.5, light, noise)",
 "applies_to": "Siemens QNA2..D indoor air quality multi-sensors with BACnet.",
 "summary": "The QNA2..D is a room multi-sensor that reports nine read-only Analog Inputs: temperature in °C and °F, humidity, CO2, TVOC, PM2.5, light, noise and a 0-100 air quality score. It runs on BACnet IP or BACnet MS/TP.",
 "bacnet_transport": [
  "BACnet IP",
  "BACnet MS/TP"
 ],
 "firmware": null,
 "default_device_instance": null,
 "access_inferred": true,
 "notes": [
  "Object list from the BACnet PICS topic of the data sheet (edition 2025-06-18).",
  "The air quality score (AI 7) is a Siemens proprietary index with no BACnet unit.",
  "Temperature is given twice, in °C (AI 0) and °F (AI 8).",
  "There is no access column; all objects are inputs and listed as read-only."
 ],
 "source": {
  "title": "QNA2..D Indoor air quality multi-sensor Data Sheet",
  "doc_number": "A6V13589454",
  "revision_date": "2025-06-18",
  "url": "https://sid.siemens.com/r/A6V13589454"
 },
 "integration": {
  "summary": "Poll or read the Analog Inputs you need; pick AI 0 or AI 8 depending on the unit system. CO2, TVOC and PM2.5 are the usual ventilation inputs.",
  "minimum_points": [
   {
    "ref": "AI 0",
    "name": "Temperature",
    "why": "Room temperature, °C (AI 8 for °F)"
   },
   {
    "ref": "AI 1",
    "name": "Relative humidity",
    "why": "Room relative humidity"
   },
   {
    "ref": "AI 2",
    "name": "Carbon dioxide",
    "why": "Room CO2, ppm"
   },
   {
    "ref": "AI 3",
    "name": "TVOC",
    "why": "TVOC, ppb"
   },
   {
    "ref": "AI 4",
    "name": "PM2.5",
    "why": "PM2.5, µg/m³"
   }
  ],
  "enable": null,
  "heartbeat": null,
  "remote_sensors": null,
  "setup": [
   "BACnet IP or MS/TP master at 9600-115200 baud.",
   "Max Master and Max Info Frames are supported on the device object."
  ],
  "gotchas": []
 },
 "points": [
  {
   "type": "AI",
   "instance": 0,
   "name": "Temperature",
   "description": "Indoor air temperature, 0-90",
   "units": "°C",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 1,
   "name": "Relative humidity",
   "description": "Indoor relative humidity, 0-100",
   "units": "%RH",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 2,
   "name": "Carbon dioxide",
   "description": "Indoor CO2, 400-5000",
   "units": "ppm",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 3,
   "name": "TVOC",
   "description": "Total volatile organic compounds, 20-60000",
   "units": "ppb",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 4,
   "name": "PM2.5",
   "description": "Particulate matter PM2.5, 0-1000",
   "units": "µg/m³",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 5,
   "name": "Light",
   "description": "Light level, 0-64000",
   "units": "lux",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 6,
   "name": "Noise",
   "description": "Sound pressure level, A-weighted, 48-90",
   "units": "dBA",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 7,
   "name": "Air quality score",
   "description": "Siemens air quality score, 0-100",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 8,
   "name": "Temperature Fahrenheit",
   "description": "Indoor air temperature, 32-194",
   "units": "°F",
   "access": "R",
   "states": ""
  }
 ],
 "page": "https://easybacnet.com/bacnet-points-lists/siemens/qna2-indoor-air-quality-multi-sensor",
 "note": "Provided as-is. Point availability varies by firmware and options; verify against the live device.",
 "disclaimer": "DISCLAIMER: reference only, provided AS IS with no warranty. May contain errors or be out of date. You must verify every point against the manufacturer's current documentation and the live device before use. easybacnet.com accepts no liability for its use and is not affiliated with the manufacturer. Terms: https://easybacnet.com/terms#content"
}