{
 "manufacturer": "CoolAutomation",
 "manufacturer_slug": "coolautomation",
 "model": "CoolMasterNet Toshiba SMMS header outdoor unit (PRO) objects",
 "model_slug": "coolmasternet-toshiba-smms-header-outdoor",
 "aliases": [
  "Toshiba SMMS BACnet",
  "Toshiba VRF BACnet",
  "CoolMasterNet Toshiba",
  "SMMS Header"
 ],
 "equipment_type": "VRF outdoor unit monitoring via BACnet gateway",
 "applies_to": "Toshiba SMMS VRF outdoor units (header unit) read through a CoolAutomation gateway with PRO functionality.",
 "summary": "With PRO functionality, CoolAutomation gateways publish service data from Toshiba SMMS header outdoor units over BACnet: unit HP, compressor speeds, fan mode, high and low pressure, discharge, heat exchanger, liquid, suction, outdoor and oil temperatures, check codes, compressor currents, PMV positions and valve states (39 objects). Monitoring only.",
 "bacnet_transport": [
  "BACnet IP",
  "BACnet MS/TP"
 ],
 "firmware": null,
 "default_device_instance": 64,
 "access_inferred": true,
 "notes": [
  "Instance = VA x 256 + index (object identifier bits 21-8 = VA, 7-0 = index). Points shown for VA 1; the guide does not explain how outdoor units receive their VA.",
  "Access set to read-only: these are measured service values, although the guide's type table lists PIV as read/write.",
  "Object names are the guide's short names; descriptions are the guide's object descriptions with the bracketed unit moved to units.",
  "A separate SMMS Follower table (33 objects) covers follower outdoor units.",
  "State meanings for coded values (mode, status and similar) are in the guide's PRO Enumerated Parameters tables for this brand and are not repeated here."
 ],
 "source": {
  "title": "BACnet Integration Guidelines - CoolMaster Product Line, CooLinkNet, CooLinkHub, CooLinkBridge",
  "doc_number": null,
  "revision_date": "Rev 1.0.4, 2026-07-06",
  "url": "https://support.coolautomation.com/hc/en-us/article_attachments/38262832368157"
 },
 "integration": {
  "summary": "Use these objects to monitor Toshiba outdoor equipment only; control stays on the CoolMasterNet indoor-unit objects. Map the header unit's VA and trend pressures, compressor speed and check codes.",
  "minimum_points": [
   {
    "ref": "AI 259",
    "name": "Comp(1)",
    "why": "Compressor 1 speed, Hz"
   },
   {
    "ref": "AI 272",
    "name": "TO",
    "why": "Outdoor air temperature, °C"
   },
   {
    "ref": "AI 263",
    "name": "Pd[psi]",
    "why": "High pressure, psi"
   },
   {
    "ref": "AI 264",
    "name": "Ps[psi]",
    "why": "Low pressure, psi"
   },
   {
    "ref": "AI 265",
    "name": "TD1",
    "why": "Discharge temperature 1, °C"
   },
   {
    "ref": "PIV 277",
    "name": "CheckCd1",
    "why": "Check (error) code 1"
   }
  ],
  "enable": "BACnet must be enabled on the gateway; these objects belong to its PRO (service data) functionality.",
  "heartbeat": null,
  "remote_sensors": null,
  "setup": [
   "BACnet MS/TP: activate on line L3 with 'line type L3 BAC' (L4-L7 also possible on the CoolMaster product line); default frame 9600 8N1, change with 'line baud L3 <rate>_8N1'; MAC (TS) default 0x40 = 64, change with 'line myid L3 <hex>'. Reboot after each change.",
   "BACnet IP: enable with 'bacnet IP enable'; UDP port 47808 by default ('bacnet port <n>'). The server starts only once Ethernet is up with an IP address.",
   "Default device instance 64 (0x40); change with 'bacnet instance <n>'."
  ],
  "gotchas": [
   "The guide does not document how VAs are assigned to outdoor units; confirm instances with a BACnet discovery."
  ]
 },
 "covers_brands": [
  "Toshiba"
 ],
 "points": [
  {
   "type": "CSV",
   "instance": 256,
   "name": "Type",
   "description": "Outdoor Unit Type Name",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "PIV",
   "instance": 257,
   "name": "StPri",
   "description": "Starting Priority",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "PIV",
   "instance": 258,
   "name": "HP",
   "description": "Outdoor Unit HP",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 259,
   "name": "Comp(1)",
   "description": "Comp(1) Hz",
   "units": "Hz",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 260,
   "name": "Comp(2)",
   "description": "Comp(2) Hz",
   "units": "Hz",
   "access": "R",
   "states": ""
  },
  {
   "type": "IV",
   "instance": 261,
   "name": "FanMode",
   "description": "Outdoor Unit FanMode",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BI",
   "instance": 262,
   "name": "4wayVlv",
   "description": "4way Valve",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 263,
   "name": "Pd[psi]",
   "description": "Pd:High Pressure",
   "units": "psi",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 264,
   "name": "Ps[psi]",
   "description": "Ps:Low Pressure",
   "units": "psi",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 265,
   "name": "TD1",
   "description": "TD1 Discharge Temp",
   "units": "°C",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 266,
   "name": "TD2",
   "description": "TD2 Discharge Temp",
   "units": "°C",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 267,
   "name": "TE",
   "description": "TE:Heat Exchanger Temp",
   "units": "°C",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 268,
   "name": "TL",
   "description": "TL:Liquid Pipe Temp",
   "units": "°C",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 269,
   "name": "TG",
   "description": "TG:High Pressure Temp",
   "units": "°C",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 270,
   "name": "TS",
   "description": "TS Suction Temp",
   "units": "°C",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 271,
   "name": "TU",
   "description": "TU Low Pressure Temp",
   "units": "°C",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 272,
   "name": "TO",
   "description": "TO Outdoor Air Temp",
   "units": "°C",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 273,
   "name": "TK1",
   "description": "TK1:Oil Temp1",
   "units": "°C",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 274,
   "name": "TK2",
   "description": "TK2:Oil Temp2",
   "units": "°C",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 275,
   "name": "TK3",
   "description": "TK3:Oil Temp3",
   "units": "°C",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 276,
   "name": "TK4",
   "description": "TK4:Oil Temp4",
   "units": "°C",
   "access": "R",
   "states": ""
  },
  {
   "type": "PIV",
   "instance": 277,
   "name": "CheckCd1",
   "description": "Check Code1",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "PIV",
   "instance": 278,
   "name": "CheckCd2",
   "description": "Check Code2",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "PIV",
   "instance": 279,
   "name": "OilLvCk1",
   "description": "Oil Level Check1",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "PIV",
   "instance": 280,
   "name": "OilLvCk2",
   "description": "Oil Level Check2",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BI",
   "instance": 281,
   "name": "CompBUp1",
   "description": "Comp BackUp1",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BI",
   "instance": 282,
   "name": "CompBUp2",
   "description": "Comp BackUp2",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 283,
   "name": "I1",
   "description": "I1",
   "units": "A",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 284,
   "name": "I2",
   "description": "I2",
   "units": "A",
   "access": "R",
   "states": ""
  },
  {
   "type": "IV",
   "instance": 285,
   "name": "PMV1+2",
   "description": "Pulse Motor Valve1+2",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BI",
   "instance": 286,
   "name": "SV2",
   "description": "SV2:Hot Gas Bypass",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BI",
   "instance": 287,
   "name": "SV5",
   "description": "SV5 ON/OFF",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BI",
   "instance": 288,
   "name": "SV3A",
   "description": "SV3A:Oil Supply ON/OFF",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BI",
   "instance": 289,
   "name": "SV3B",
   "description": "SV3B:Oil Return ON/OFF",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BI",
   "instance": 290,
   "name": "SV3C",
   "description": "SV3C:Gas Pressure ON/OFF",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BI",
   "instance": 291,
   "name": "SV3D",
   "description": "SV3D:Separator Open",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BI",
   "instance": 292,
   "name": "SV3E",
   "description": "SV3E:Oil Balance ON/OFF",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BI",
   "instance": 293,
   "name": "SV41",
   "description": "SV41:Comp Start Assist",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "BI",
   "instance": 294,
   "name": "SV42",
   "description": "SV42:Comp Start Assist",
   "units": "",
   "access": "R",
   "states": ""
  }
 ],
 "page": "https://easybacnet.com/bacnet-points-lists/coolautomation/coolmasternet-toshiba-smms-header-outdoor",
 "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"
}