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Air conditioner BACnet gateway (1 indoor unit) · BACnet points list
Intesis INBACMID001I100 (Midea VRF gateway) BACnet points list
Updated 28 October 2026
A one-unit Intesis BACnet MS/TP interface wired to the XYE (or D1D2 on V8) terminals of a Midea indoor unit, where it acts as a central controller. It exposes 30 fixed objects for on/off, mode, setpoint, fan, swing, room temperature, errors, occupancy logic and remote-controller lock, plus diagnostic objects for its DIP switches and the Midea protocol version.
This page lists 30 BACnet objects for the Intesis INBACMID001I100 (Midea VRF gateway) — 11 of them writable — with each object’s type, instance number, name, engineering units and access. It is re-typed from Intesis’s own free documentation, linked below.
- Manufacturer
- Intesis
- Model
- INBACMID001I100 (Midea VRF gateway)
- Equipment
- Air conditioner BACnet gateway (1 indoor unit)
- Equipment type
- Other equipment
- BACnet objects
- 30 (11 writable)
- Transport
- BACnet MS/TP
- Firmware
- Not stated
- Default device instance
- 246000
- Also known as
- Midea BACnet gateway, Midea VRF BACnet, Midea BACnet points list, Midea BACnet MS/TP, Intesis Midea
BMS integration notes: Intesis INBACMID001I100 (Midea VRF gateway)
Connect the gateway to the indoor unit (XYE terminals on V4/V6, D1D2 on V8; 12 V external power), set the BACnet network on its DIP switches, then write the _command objects (on/off, mode, setpoint, fan) and read back the matching _status objects. One gateway serves one indoor unit (or one remote-controller group), so give each gateway its own MAC address and device instance.
Minimum points to map
The short list most integrators start with — enough to run the unit from a BMS. Map more as the job needs.
| Object | Name | Why | Access |
|---|---|---|---|
| BO 0 | OnOff_command | Start/stop the indoor unit | Command |
| MO 0 | Mode_command | Heat/cool/fan/dry/auto selection | Command |
| AO 0 | SetPoint_command | Temperature setpoint from the BMS | Command |
| MO 1 | FanSpeed_command | Fan speed selection | Command |
| BI 0 | OnOff_status | Confirm the unit is running | Read |
| AI 0 | SetPoint_status | Setpoint the unit is really using | Read |
| AI 1 | RoomTemperature_status | Room/return temperature for trending | Read |
| BI 1 | ErrorActive | Unit alarm | Read |
| AI 2 | ErrorCode | Which fault is active | Read |
Enable & remote start
No enable point or BMS/local switch is documented; the gateway accepts BACnet commands as soon as it is communicating with the unit. A wired remote controller can still be used in parallel; MO 5 RemoteControllerProhibit_command locks it.
Sensors & values from the BMS
Write the BMS room temperature to AO 1 RoomTemperature_command and keep using AO 0 SetPoint_command for the user setpoint. The gateway then runs its Virtual Temperature function: it offsets the setpoint it sends to the unit by the difference between the BMS temperature and the unit's own return temperature, so AI 0 SetPoint_status can differ from what you wrote. Until a first value is written, AO 1 shows Reliability = UNRELIABLE_OTHER and the function stays off.
Network setup
- BACnet MS/TP only; the EIA-485 port has DIP switches for the 120-ohm terminator and bus biasing.
- MS/TP MAC address 0-127 is set on DIP switches; baud rate is DIP-selectable (9600-115200) with autobaud as the default, which matches the baud rate of another MS/TP device running a fixed rate.
- Default device instance 246000. In automatic mode the instance is 246000 + the MAC address; writing Object_Identifier from BACnet switches to manual mode until a factory reset.
- SW1 forces Midea V4 or V6 protocol (default auto-detect) and a low-power mode; MI 11 shows the detected setting.
Watch out for
- Every function has a separate _command (AO/BO/MO, commandable) and _status (AI/BI/MI) object; write the command, read the status.
- Temperatures follow the Celsius/Fahrenheit DIP switch; the BACnet Units property changes with it.
- The Occupancy MV and its four AVs drive built-in logic that sets mode, setpoint and on/off; leave Occupancy at 3 (Disabled) unless you use it, and any manual on/off, mode or setpoint change cancels it.
- A wired remote on X1X2 can stay connected as header or follower; use MO 5 RemoteControllerProhibit_command to lock it.
Intesis INBACMID001I100 (Midea VRF gateway) BACnet objects
Type: AI, AO, AV, BI, BO, BV, MI/MO/MV (multi-state) · Access: Read read-only, Write writable, Command writable with a priority array.
| Description | States | |||||
|---|---|---|---|---|---|---|
| BImin | 0 | OnOff_status | Unit on/off status | Read | 0=Off, 1=On | |
| BOmin | 0 | OnOff_command | Start/stop command for the indoor unit | Command | 0=Off, 1=On | |
| MI | 0 | Mode_status | Operating mode currently active | Read | 1=Heat, 2=Cool, 3=Fan, 4=Dry, 5=Auto | |
| MOmin | 0 | Mode_command | Operating mode command | Command | 1=Heat, 2=Cool, 3=Fan, 4=Dry, 5=Auto | |
| AImin | 0 | SetPoint_status | Setpoint the indoor unit is actually using | °C | Read | |
| AOmin | 0 | SetPoint_command | Temperature setpoint command from the BMS | °C | Command | |
| MI | 1 | FanSpeed_status | Current fan speed | Read | 1=Auto, 2=Fan Speed 1, 3=Fan Speed 2, 4=Fan Speed 3 | |
| MOmin | 1 | FanSpeed_command | Fan speed command | Command | 1=Auto, 2=Fan Speed 1, 3=Fan Speed 2, 4=Fan Speed 3 | |
| MI | 2 | AirDirectionUD_status | Vertical (up/down) vane position | Read | 1=Stop, 2=Swing | |
| MO | 2 | AirDirectionUD_command | Vertical (up/down) vane command | Command | 1=Stop, 2=Swing | |
| AImin | 1 | RoomTemperature_status | Room temperature used by the indoor unit | °C | Read | |
| AO | 1 | RoomTemperature_command | Room temperature written by the BMS (external sensor) | °C | Command | |
| AImin | 2 | ErrorCode | Active error code as a number | Read | ||
| MI | 4 | ErrorCodeM | Active error code as a multistate value | Read | 1=-, 2=CommError, 3=E0, 4=E1, 5=E2, 6=E3, 7=E4, 8=E5, 9=E6, 10=E7, 11=E8, 12=E9, 13=EA, 14=EB, 15=EC, 16=ED, 17=EE, 18=EF, 19=P1, 20=P2, 21=P3, 22=P4, 23=P5, 24=P6, 25=P7, 26=P8, 27=P9, 28=PA, 29=PB, 30=PC, 31=PD, 32=PE, 33=PF | |
| BImin | 1 | ErrorActive | An error is active on the indoor unit | Read | 0=No, 1=Error | |
| AV | 0 | OnTimeCounter | Accumulated run time of the unit | h | Read | |
| MV | 0 | Occupancy | Occupancy input for the built-in occupancy logic | Write | 1=Occupied, 2=Unoccupied, 3=Disabled | |
| AV | 1 | OccupiedCoolSetPoint | Cooling setpoint used while occupied | °C | Read | |
| AV | 2 | OccupiedHeatSetPoint | Heating setpoint used while occupied | °C | Read | |
| AV | 3 | UnoccupiedCoolSetPoint | Cooling setpoint used while unoccupied | °C | Read | |
| AV | 4 | UnoccupiedHeatSetPoint | Heating setpoint used while unoccupied | °C | Read | |
| BV | 0 | OccupancyContinuousCheck | Re-run occupancy logic on every temperature change | Write | 0=Disabled, 1=Enabled | |
| BV | 1 | UnoccupiedDeadbandAction | Off or stay on when unoccupied inside the deadband | Write | 0=Off, 1=CurrentMode | |
| MI | 6 | RemoteControllerProhibit_status | Remote controller lock status | Read | 1=Unlocked, 2=Locked | |
| MO | 5 | RemoteControllerProhibit_command | Remote controller lock command | Command | 1=Unlocked, 2=Locked | |
| AI | 9 | DIP_SW_S1_status | DIP switch SW1 position (decimal), read at boot | Read | ||
| AI | 10 | DIP_SW_S2_status | DIP switch SW2 position (decimal), read at boot | Read | ||
| AI | 11 | SerialNumber | Gateway serial number | Read | ||
| MV | 1 | AC_IU_address | The address of the indoor unit in the Midea system | Write | 1=0, 2=1, 3=2, ..., 64=63 | |
| MI | 11 | Midea_setting | Midea V4/V6 protocol detection setting | Read | 1=Auto (detecting), 2=Auto V4, 3=Auto V6, 4=V4, 5=V6 |
No points match these filters.
Integration notes
- The gateway needs an external 12 V DC/AC supply (min. 200 mA).
- Because it acts as the Midea central controller, a second central controller needs an XYE extension kit.
- AC_IU_address (MV 1) selects the indoor unit address: Present_Value 1-64 = address 0-63.
- Units shown as °C follow the °C/°F DIP switch.
- The cover date is printed as 3/2027 (v2.8).
Check it against the live device. A points list tells you what the controller can expose; the unit in front of you may differ by firmware or installed options. Easy BACnet scans a network for BACnet IP devices from an Android phone, reads every object on the INBACMID001I100 (Midea VRF gateway) and exports what it actually has to Excel — free. New to BACnet? Start with what a BACnet points list is and what the object types mean.
Questions about the Intesis INBACMID001I100 (Midea VRF gateway)
How many BACnet points does the Intesis INBACMID001I100 (Midea VRF gateway) have?
This list has 30 BACnet objects: 6 analog inputs, 2 analog outputs, 5 analog values, 2 binary inputs, 1 binary output, 2 binary values, 6 multi-state inputs, 4 multi-state outputs, 2 multi-state values. The exact set on a given unit depends on its firmware, installed options and configuration.
Which Intesis INBACMID001I100 (Midea VRF gateway) BACnet points are writable?
11 of the 30 objects accept a write. Points marked Command have a priority array: a write holds until it is released, so release it back to automatic when you are done.
Where is the official Intesis INBACMID001I100 (Midea VRF gateway) BACnet documentation?
The source is Intesis BACnet MS/TP - Midea AC User Manual (INBACMID001I100), revision 3/2027 v2.8 (as printed), published free by Intesis at https://www.hms-networks.com/docs/default-source/products/intesis/manuals-and-guides---manuals/inbacmid001i100-user-manual-en-r1-0.pdf.
What are the minimum BACnet points to integrate the Intesis INBACMID001I100 (Midea VRF gateway)?
Start with BO 0 OnOff_command (Start/stop the indoor unit); MO 0 Mode_command (Heat/cool/fan/dry/auto selection); AO 0 SetPoint_command (Temperature setpoint from the BMS); MO 1 FanSpeed_command (Fan speed selection); BI 0 OnOff_status (Confirm the unit is running); AI 0 SetPoint_status (Setpoint the unit is really using); AI 1 RoomTemperature_status (Room/return temperature for trending); BI 1 ErrorActive (Unit alarm); AI 2 ErrorCode (Which fault is active).
How do I enable BMS control of the Intesis INBACMID001I100 (Midea VRF gateway)?
No enable point or BMS/local switch is documented; the gateway accepts BACnet commands as soon as it is communicating with the unit. A wired remote controller can still be used in parallel; MO 5 RemoteControllerProhibit_command locks it.
Can the BMS supply sensor values to the Intesis INBACMID001I100 (Midea VRF gateway)?
Write the BMS room temperature to AO 1 RoomTemperature_command and keep using AO 0 SetPoint_command for the user setpoint. The gateway then runs its Virtual Temperature function: it offsets the setpoint it sends to the unit by the difference between the BMS temperature and the unit's own return temperature, so AI 0 SetPoint_status can differ from what you wrote. Until a first value is written, AO 1 shows Reliability = UNRELIABLE_OTHER and the function stays off.
How do I check these points on the real INBACMID001I100 (Midea VRF gateway)?
Scan the network with a BACnet IP browser such as Easy BACnet, open the device and compare its object list with this table. Anything missing is usually an option that isn't installed or a point that is disabled in the controller's configuration.
More Intesis BACnet points lists
- Air conditioner BACnet gateway (1 indoor unit)
Intesis IN485FGL001I000 (Fujitsu gateway)
Fujitsu residential and VRF indoor units, connected with the supplied AC cable.
Also known as: Fujitsu BACnet gateway, Fujitsu VRF BACnet, Fujitsu Airstage BACnet, Fujitsu BACnet MS/TP, Fujitsu BACnet points list, Intesis Fujitsu - Air conditioner BACnet gateway (1 indoor unit)
Intesis INBACDAI001I000 (Daikin domestic gateway)
Daikin residential (domestic) split indoor units with an S21 connector.
Also known as: Daikin BACnet gateway, Daikin residential BACnet, Daikin split BACnet, DK-AC-BAC-1, Daikin S21 BACnet, Intesis Daikin - Air conditioner BACnet gateway (1 indoor unit)
Intesis INBACHIT001R000 (Hitachi VRF gateway)
Hitachi commercial and VRF indoor units, connected through the wired remote-controller (A/B) bus.
Also known as: Hitachi BACnet gateway, Hitachi VRF BACnet, Hitachi BACnet points list, Intesis Hitachi BACnet IP MS/TP, IN485HIT001R000 - VRF BACnet gateway (up to 16 or 64 indoor units)
Intesis INBACHIT016O000 / INBACHIT064O000 (Hitachi VRF H-Link BACnet server)
Hitachi VRF systems on the H-Link (TB2) bus: up to 16 (INBACHIT016O000) or 64 (INBACHIT064O000) indoor units.
Also known as: Hitachi VRF BACnet gateway, Hitachi H-Link BACnet, Hitachi BACnet points list, HI-AC-BAC-16, HI-AC-BAC-64, INBACHIT016O000, Intesis BACnet Server Hitachi VRF - Air conditioner BACnet gateway (1 indoor unit)
Intesis INBACMHI001R000 (Mitsubishi Heavy Industries gateway)
Mitsubishi Heavy Industries RAC, FD, KX6 and KXR6 (VRF) series indoor units, via the X-Y remote-controller bus.
Also known as: Mitsubishi Heavy BACnet gateway, MHI BACnet, Mitsubishi Heavy Industries BACnet points list, MH-RC-BAC-1, MHI KX6 KXR6 VRF BACnet, IN485MHI001R000 - Air conditioner BACnet gateway (1 indoor unit)
Intesis INBACMIT001I000 (Mitsubishi Electric gateway)
Mitsubishi Electric residential, Mr. Slim and City Multi indoor units with a CN105 (CN92 on some) connector.
Also known as: Mitsubishi Electric BACnet gateway, Mitsubishi Electric Mr. Slim BACnet, City Multi BACnet (single unit), ME-AC-BAC-1, Mitsubishi CN105 BACnet, Intesis Mitsubishi Electric - Air conditioner BACnet gateway (1 indoor unit)
Intesis INBACPAN001R100 (Panasonic ECOi/PACi gateway)
Panasonic ECOi (VRF) and PACi indoor units, via the R1/R2 remote-controller bus.
Also known as: Panasonic BACnet gateway, Panasonic VRF BACnet, Panasonic ECOi BACnet, Panasonic PACi BACnet, Panasonic BACnet points list, PA-RC2-BAC-1L - VRF BACnet gateway (up to 16, 64 or 128 indoor units)
Intesis INBACPAN016O000 / 064O000 / 128O000 (Panasonic VRF P-Link BACnet server)
Panasonic VRF (ECOi and similar) systems on one or two P-Link lines, up to 128 indoor units depending on model.
Also known as: Panasonic VRF BACnet gateway, Panasonic P-Link BACnet, Panasonic BACnet points list, PA-AC-BAC-16, PA-AC-BAC-64, PA-AC-BAC-128, INBACPAN016O000, INBACPAN128O000, Intesis BACnet Server Panasonic VRF - VRF BACnet gateway (up to 4, 8, 16 or 64 indoor units)
Intesis INBACSAM004O000 / 008O000 / 016O000 / 064O000 (Samsung NASA BACnet server)
Samsung air conditioners and heat pumps on the NASA R1/R2 bus, from 4 to 64 indoor units depending on model.
Also known as: Samsung BACnet gateway, Samsung NASA BACnet, Samsung DVM BACnet, Samsung BACnet points list, INBACSAM016O000, Intesis BACnet Server Samsung NASA - Air conditioner BACnet gateway (1 indoor unit)
Intesis INBACTOS001R100 (Toshiba gateway)
Toshiba Digital and VRF line indoor units, via the A/B remote-controller bus.
Also known as: Toshiba BACnet gateway, Toshiba VRF BACnet, Toshiba BACnet points list, TO-RC-BAC-1L, Toshiba VRF BACnet MS/TP
Source: Intesis BACnet MS/TP - Midea AC User Manual (INBACMID001I100) · rev. 3/2027 v2.8 (as printed). Object names, instances and units are reproduced as published; descriptions are our own.