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VRF BACnet gateway (up to 4, 8, 16 or 64 indoor units) · BACnet points list
Intesis INBACSAM004O000 / 008O000 / 016O000 / 064O000 (Samsung NASA BACnet server) BACnet points list
Updated 28 October 2026
An Intesis BACnet server on the Samsung NASA R1/R2 bus that serves BACnet IP and BACnet MS/TP. It publishes outdoor-unit communication alarms, gateway-wide commands and one block of objects per indoor unit at (identifier x 100). The manual also defines different object sets for hot-water (HE/HT/EHS), AHU, ERV/ERV+ and chiller unit types; this file shows the standard indoor unit (IU) set.
This page lists 54 BACnet objects for the Intesis INBACSAM004O000 / 008O000 / 016O000 / 064O000 (Samsung NASA BACnet server) — 20 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
- INBACSAM004O000 / 008O000 / 016O000 / 064O000 (Samsung NASA BACnet server)
- Equipment
- VRF BACnet gateway (up to 4, 8, 16 or 64 indoor units)
- Equipment type
- VRF & split air conditioners
- BACnet objects
- 54 (20 writable)
- Transport
- BACnet IP, BACnet MS/TP
- Firmware
- Not stated
- Default device instance
- 246
- Also known as
- Samsung BACnet gateway, Samsung NASA BACnet, Samsung DVM BACnet, Samsung BACnet points list, INBACSAM016O000, Intesis BACnet Server Samsung NASA
BMS integration notes: Intesis INBACSAM004O000 / 008O000 / 016O000 / 064O000 (Samsung NASA BACnet server)
Connect the NASA R1/R2 bus to Port A (A3 R1/+, A4 R2/-), scan the bus in Intesis MAPS, assign each unit an identifier and send the project; then map each indoor unit's objects from its (identifier x 100) block. Gateway-wide objects at low instances command all units.
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 100 | OxxUxx_On/Off_C | Start/stop indoor unit | Command |
| MO 100 | OxxUxx_Mode IU/AHU_C | Mode command | Command |
| AO 100 | OxxUxx_Setpoint_C | Setpoint command | Command |
| MO 101 | OxxUxx_FanSpeed_C | Fan speed command (4 = auto) | Command |
| BI 100 | OxxUxx_On/Off_S | Run status | Read |
| AI 100 | OxxUxx_Setpoint_S | Setpoint in use | Read |
| AI 101 | OxxUxx_Room_Temperature | Indoor unit room temperature, °C | Read |
| MI 102 | OxxUxx_Communication Status | Link flags; EXST = unit found on the NASA bus | Read |
| AI 105 | OxxUxx_Unit Error code | Fault code | Read |
Enable & remote start
No enable point is documented. OxxUxx_RC Restriction_C (BO 103) restricts the unit's remote controller.
Network setup
- Default device instance 246, configurable in MAPS.
- BACnet IP: default IP 192.168.100.246, DHCP enabled by default.
- Indoor units are addressed 0-63 and outdoor units 0-15 on the NASA bus; the identifier xxx (1-64) used in instance numbers is assigned in MAPS.
Watch out for
- Mode state numbering is Samsung's: 1=Heat, 2=Dry, 3=Fan, 4=Cool, 5=Auto (not the usual Intesis order).
- Check the Unit type object (MI 103) before mapping: other unit types use different objects in the same block.
- Manual addressing may be needed on the outdoor units if BI 16 OU Addressing Error is active.
Intesis INBACSAM004O000 / 008O000 / 016O000 / 064O000 (Samsung NASA BACnet server) 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 | |||||
|---|---|---|---|---|---|---|
| BI | 0 | OU00_Communication Error OU | Outdoor unit00 Communication Error outdoor unit | Read | 0=No Error, 1=Error | |
| BI | 1 | OU01_Communication Error OU | Outdoor unit01 Communication Error outdoor unit | Read | 0=No Error, 1=Error | |
| BI | 2 | OU02_Communication Error OU | Outdoor unit02 Communication Error outdoor unit | Read | 0=No Error, 1=Error | |
| BI | 3 | OU03_Communication Error OU | Outdoor unit03 Communication Error outdoor unit | Read | 0=No Error, 1=Error | |
| BI | 4 | OU04_Communication Error OU | Outdoor unit04 Communication Error outdoor unit | Read | 0=No Error, 1=Error | |
| BI | 5 | OU05_Communication Error OU | Outdoor unit05 Communication Error outdoor unit | Read | 0=No Error, 1=Error | |
| BI | 6 | OU06_Communication Error OU | Outdoor unit06 Communication Error outdoor unit | Read | 0=No Error, 1=Error | |
| BI | 7 | OU07_Communication Error OU | Outdoor unit07 Communication Error outdoor unit | Read | 0=No Error, 1=Error | |
| BI | 8 | OU08_Communication Error OU | Outdoor unit08 Communication Error outdoor unit | Read | 0=No Error, 1=Error | |
| BI | 9 | OU09_Communication Error OU | Outdoor unit09 Communication Error outdoor unit | Read | 0=No Error, 1=Error | |
| BI | 10 | OU10_Communication Error OU | Outdoor unit10 Communication Error outdoor unit | Read | 0=No Error, 1=Error | |
| BI | 11 | OU11_Communication Error OU | Outdoor unit11 Communication Error outdoor unit | Read | 0=No Error, 1=Error | |
| BI | 12 | OU12_Communication Error OU | Outdoor unit12 Communication Error outdoor unit | Read | 0=No Error, 1=Error | |
| BI | 13 | OU13_Communication Error OU | Outdoor unit13 Communication Error outdoor unit | Read | 0=No Error, 1=Error | |
| BI | 14 | OU14_Communication Error OU | Outdoor unit14 Communication Error outdoor unit | Read | 0=No Error, 1=Error | |
| BI | 15 | OU15_Communication Error OU | Outdoor unit15 Communication Error outdoor unit | Read | 0=No Error, 1=Error | |
| BI | 16 | OU Addressing Error | Outdoor unit Addressing Error | Read | 0=OU Addressing OK, 1=Manual Addr in OU required | |
| BO | 0 | On/Off (all units) | On/Off (all units) | Command | 0=Off, 1=On | |
| MO | 0 | Mode (all units) | Mode (all units) | Command | 1=Heat, 2=Dry, 3=Fan, 4=Cool, 5=Auto, 6=Cool Storage, 7=Hot Water | |
| MO | 1 | FanSpeed (all units) | FanSpeed (all units) | Command | 1=Low, 2=Mid, 3=High, 4=Auto | |
| BO | 1 | Vane position swing (all units) | Vane position swing (all units) | Command | 0=Swing Off, 1=Swing On | |
| AO | 0 | Temperature Setpoint (all units) | Temperature Setpoint (all units) | °C | Command | |
| BO | 2 | Vent. On/Off (all units) | Vent. On/Off (all units) | Command | 0=Off, 1=On | |
| BO | 3 | Hot Water On/Off (all units) | Hot Water On/Off (all units) | Command | 0=Off, 1=On | |
| BImin | 100 | OxxUxx_On/Off_S | On/Off (status) | Read | 0=Off, 1=On | |
| BOmin | 100 | OxxUxx_On/Off_C | On/Off (command) | Command | 0=Off, 1=On | |
| MI | 100 | OxxUxx_Mode IU/AHU_S | Mode indoor unit/AHU (status) | Read | 1=Heat, 2=Dry, 3=Fan, 4=Cool, 5=Auto, 6=Not Valid, 7=Not Valid | |
| MOmin | 100 | OxxUxx_Mode IU/AHU_C | Mode indoor unit/AHU (command) | Command | 1=Heat, 2=Dry, 3=Fan, 4=Cool, 5=Auto, 6=Not Valid, 7=Not Valid | |
| AImin | 100 | OxxUxx_Setpoint_S | Setpoint (status) | °C | Read | |
| AOmin | 100 | OxxUxx_Setpoint_C | Setpoint (command) | °C | Command | |
| MI | 101 | OxxUxx_FanSpeed_S | FanSpeed (status) | Read | 1=Low, 2=Mid, 3=High, 4=Auto | |
| MOmin | 101 | OxxUxx_FanSpeed_C | FanSpeed (command) | Command | 1=Low, 2=Mid, 3=High, 4=Auto | |
| BI | 101 | OxxUxx_Vane position swing_S | Vane position swing (status) | Read | 0=Off, 1=On | |
| BO | 101 | OxxUxx_Vane position swing_C | Vane position swing (command) | Command | 0=Off, 1=On | |
| AImin | 101 | OxxUxx_Room_Temperature | Room Temperature | °C | Read | |
| AI | 102 | OxxUxx_Disch.Setpoint Cool IU_S | Discharge Setpoint Cool indoor unit (status) | °C | Read | |
| AO | 101 | OxxUxx_Disch.Setpoint Cool IU_C | Discharge Setpoint Cool indoor unit (command) | °C | Command | |
| AI | 103 | OxxUxx_Disch.Setpoint Heat IU_S | Discharge Setpoint Heat indoor unit (status) | °C | Read | |
| AO | 102 | OxxUxx_Disch.Setpoint Heat IU_C | Discharge Setpoint Heat indoor unit (command) | °C | Command | |
| AI | 104 | OxxUxx_Disch. Current Temp. | Discharge Current temperature | °C | Read | |
| AImin | 105 | OxxUxx_Unit Error code | Unit Error code | Read | ||
| BI | 102 | OxxUxx_FilterSign | FilterSign | Read | 0=Normal, 1=Alarm | |
| BO | 102 | OxxUxx_FilterReset | FilterReset | Command | 0=No reset, 1=Reset | |
| MImin | 102 | OxxUxx_Communication Status | Communication Status | Read | 1=-/-/-/-, 2=-/-/-/EXST, 3=-/-/RDY/-, 4=-/-/RDY/EXST, 5=-/DTUP/-/-, 6=-/DTUP/-/EXST, 7=-/DTUP/RDY/-, 8=-/DTUP/RDY/EXST, 9=TPOK/-/-/-, 10=TPOK/-/-/EXST, 11=TPOK/-/RDY/-, 12=TPOK/-/RDY/EXST, 13=TPOK/DTUP/-/-, 14=TPOK/DTUP/-/EXST, 15=TPOK/DTUP/RDY/-, 16=TPOK/DTUP/RDY/EXST | |
| BI | 103 | OxxUxx_RC Restriction_S | Remote controller Restriction (status) | Read | 0=No restriction, 1=Restriction | |
| BO | 103 | OxxUxx_RC Restriction_C | Remote controller Restriction (command) | Command | 0=No restriction, 1=Restriction | |
| BO | 104 | OxxUxx_Buzzer Sound | Buzzer Sound | Command | 0=Buzzer On, 1=Buzzer Off | |
| MI | 103 | OxxUxx_Unit type | Unit type | Read | 1=Not Defined, 2=IU, 3=HE, 4=HT, 5=AHU, 6=ERV, 7=ERV+, 8=EHS, 9=CHILLER | |
| BI | 106 | OXXUXX_WindFree_S | WindFree (status) | Read | 0=Disable, 1=Enable | |
| BO | 107 | OXXUXX_WindFree_C | WindFree (command) | Command | 0=Disable, 1=Enable | |
| BI | 107 | OXXUXX_Air Clean_S | Air Clean (status) | Read | 0=Disable, 1=Enable | |
| BO | 108 | OXXUXX_Air Clean_C | Air Clean (command) | Command | 0=Disable, 1=Enable | |
| MI | 107 | OXXUXX_360 CST Air Flow_S | 360 CST Air Flow (status) | Read | 1=Spot, 2=Mid, 3=Wide, 4=Swing | |
| MO | 105 | OXXUXX_360 CST Air Flow_C | 360 CST Air Flow (command) | Command | 1=Spot, 2=Mid, 3=Wide, 4=Swing |
No points match these filters.
Integration notes
- Indoor unit instance = (xxx x 100) + offset, xxx = indoor unit identifier 1-64 (identifier 1 shown, 100-108).
- Outdoor communication-error objects are BI 0-15 for outdoor addresses 00-15; BI 16 flags an addressing problem.
- Hot-water, AHU, ERV, ERV+ and chiller units reuse the same instance block with a different object set (see manual).
- WindFree, Air Clean and 360 CST Air Flow objects apply only to indoor units that support them.
- Communication Status (MI) states combine NASA flags such as RDY, EXST and DTUP.
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 INBACSAM004O000 / 008O000 / 016O000 / 064O000 (Samsung NASA BACnet server) 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 INBACSAM004O000 / 008O000 / 016O000 / 064O000 (Samsung NASA BACnet server)
How many BACnet points does the Intesis INBACSAM004O000 / 008O000 / 016O000 / 064O000 (Samsung NASA BACnet server) have?
This list has 54 BACnet objects: 6 analog inputs, 4 analog outputs, 23 binary inputs, 11 binary outputs, 5 multi-state inputs, 5 multi-state outputs. The exact set on a given unit depends on its firmware, installed options and configuration.
Which Intesis INBACSAM004O000 / 008O000 / 016O000 / 064O000 (Samsung NASA BACnet server) BACnet points are writable?
20 of the 54 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 INBACSAM004O000 / 008O000 / 016O000 / 064O000 (Samsung NASA BACnet server) BACnet documentation?
The source is Intesis BACnet Server - Samsung NASA AC User's Manual, revision 01/2022 r1.3, published free by Intesis at https://www.hms-networks.com/docs/default-source/products/intesis/manuals-and-guides---manuals/user-manual-inbacsamxxxo000.pdf.
What are the minimum BACnet points to integrate the Intesis INBACSAM004O000 / 008O000 / 016O000 / 064O000 (Samsung NASA BACnet server)?
Start with BO 100 OxxUxx_On/Off_C (Start/stop indoor unit); MO 100 OxxUxx_Mode IU/AHU_C (Mode command); AO 100 OxxUxx_Setpoint_C (Setpoint command); MO 101 OxxUxx_FanSpeed_C (Fan speed command (4 = auto)); BI 100 OxxUxx_On/Off_S (Run status); AI 100 OxxUxx_Setpoint_S (Setpoint in use); AI 101 OxxUxx_Room_Temperature (Indoor unit room temperature, °C); MI 102 OxxUxx_Communication Status (Link flags; EXST = unit found on the NASA bus); AI 105 OxxUxx_Unit Error code (Fault code).
How do I enable BMS control of the Intesis INBACSAM004O000 / 008O000 / 016O000 / 064O000 (Samsung NASA BACnet server)?
No enable point is documented. OxxUxx_RC Restriction_C (BO 103) restricts the unit's remote controller.
How do I check these points on the real INBACSAM004O000 / 008O000 / 016O000 / 064O000 (Samsung NASA BACnet server)?
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 INBACMID001I100 (Midea VRF gateway)
Midea commercial and VRF indoor units (V4, V6 on XYE; V8 on D1D2).
Also known as: Midea BACnet gateway, Midea VRF BACnet, Midea BACnet points list, Midea BACnet MS/TP, Intesis Midea - 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 - 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 Server - Samsung NASA AC User's Manual · rev. 01/2022 r1.3. Object names, instances and units are reproduced as published; descriptions are our own.