{
 "manufacturer": "EBTRON",
 "manufacturer_slug": "ebtron",
 "model": "HTN104 Thermal Dispersion Airflow / Temperature Transmitter (firmware 1.x)",
 "model_slug": "htn104",
 "aliases": [
  "HTN104",
  "HTN104-1.x",
  "EBTRON HTN104"
 ],
 "equipment_type": "Thermal dispersion airflow measuring station",
 "applies_to": "EBTRON HTN104 thermal dispersion airflow and temperature measurement transmitters with BACnet MS/TP (firmware 1.x).",
 "summary": "The HTN104 is an EBTRON thermal dispersion airflow and temperature transmitter with a BACnet MS/TP port. Its PICS object table lists three analog inputs (airflow, pressure, temperature) and four analog values (free area, baud rate, airflow and temperature traverse).",
 "bacnet_transport": [
  "BACnet MS/TP"
 ],
 "firmware": "1.23 (application 1.0)",
 "default_device_instance": null,
 "access_inferred": false,
 "notes": [
  "The object list comes from Table 1 of the 2011 PICS; units of the analog inputs are selectable (writable Units property).",
  "Access: Present Value is writable for AV 1 Free Area and AV 2 Baud Rate; the other objects are read-only (AI Present Value only when out of service)."
 ],
 "source": {
  "title": "HTN104 BACnet Protocol Implementation Conformance Statement",
  "doc_number": "PIC_HTN104_1.x_R1C",
  "revision_date": "2011-03-24",
  "url": "https://ebtron.com/wp-content/uploads/HTN104-1.x-BACnet-PICS.pdf"
 },
 "integration": {
  "summary": "Read airflow (AI 1), temperature (AI 3) and pressure (AI 2). Set the duct free area (AV 1) so the airflow reading is right.",
  "minimum_points": [
   {
    "ref": "AI 1",
    "why": "Airflow (FPM, CFM, MPS or LPS)",
    "name": "Airflow"
   },
   {
    "ref": "AI 3",
    "why": "Air temperature",
    "name": "Temperature"
   },
   {
    "ref": "AI 2",
    "why": "Pressure (iWC or Pa)",
    "name": "Pressure"
   }
  ],
  "enable": null,
  "heartbeat": null,
  "remote_sensors": null,
  "setup": [
   "BACnet MS/TP master at 9600, 19200, 38400 or 76800 baud (AV 2).",
   "No segmentation support."
  ],
  "gotchas": []
 },
 "points": [
  {
   "type": "AI",
   "instance": 1,
   "name": "Airflow",
   "description": "Units FPM, CFM, MPS or LPS",
   "units": "CFM",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 2,
   "name": "Pressure",
   "description": "Units iWC or Pa",
   "units": "inH2O",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 3,
   "name": "Temperature",
   "description": "°C or °F",
   "units": "°F",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 1,
   "name": "Free Area",
   "description": "Duct free area used for the airflow calculation",
   "units": "",
   "access": "W",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 2,
   "name": "Baud Rate",
   "description": "MS/TP baud rate: 9600, 19200, 38400 or 76800",
   "units": "",
   "access": "W",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 3,
   "name": "Airflow Traverse",
   "description": "Airflow traverse value",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 4,
   "name": "Temperature Traverse",
   "description": "Temperature traverse value",
   "units": "",
   "access": "R",
   "states": ""
  }
 ],
 "page": "https://easybacnet.com/bacnet-points-lists/ebtron/htn104",
 "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"
}