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DMS2.5 BACnet Gateway (MIM-B17BN)

VRF BACnet IP gateway · BACnet points list

Samsung DMS2.5 BACnet Gateway (MIM-B17BN) BACnet points list

Updated 28 October 2026

Short answer

The MIM-B17BN works with the DMS2.5 central controller and publishes every Samsung unit as its own virtual BACnet IP device, with a device ID built from the gateway number and unit addresses. Inside each virtual device the object instances are small fixed numbers (1, 2, 3...), so one template per unit type covers the whole site. The DMS firmware offers a Basic and an Advanced point provision type; this list is the Advanced set, which adds points without renumbering the shared ones except the Notify object.

This page lists 174 BACnet objects for the Samsung DMS2.5 BACnet Gateway (MIM-B17BN) — 104 of them writable — with each object’s type, instance number, name, engineering units and access. It is re-typed from Samsung’s own free documentation, linked below.

Manufacturer: Samsung
Model: DMS2.5 BACnet Gateway (MIM-B17BN)
Equipment: VRF BACnet IP gateway
Equipment type: VRF & split air conditioners
BACnet objects: 174 (104 writable)
Transport: BACnet IP
Firmware: Not stated
Also known as: MIM-B17BN, MIM-B17BNDZ, MIM-B17, DMS2.5, DMS 2.5, MIM-D01AN, DMS BACnet gateway
Source document: DMS2.5 / BACnet Gateway MIM-B17BN / LonWorks Gateway MIM-B18BN User & installation manual · DB68-06095A-05 · rev. 2022-11

Download CSV 174 rows Download EDE B.I.G.-EU JSON Manufacturer PDF ↗ Download Easy BACnet Mobile App Google Play

BMS integration notes: Samsung DMS2.5 BACnet Gateway (MIM-B17BN)

Integration in brief

Set the gateway's network information (IP, BACnet port, Network No.) in the DMS2.5 BACnet web pages and pick the Basic or Advanced point provision type. Each Samsung unit then appears as its own BACnet device whose ID encodes the network number and unit address; inside it, map Power, mode, setpoint, room temp and error code.

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
BV 9	AC_Power_xx_xxxxxx	Indoor unit on/off	Write
MV 14	AC_Operation_Mode_xx_xxxxxx	Indoor unit operating mode	Write
AV 2	AC_Temp_Set_xx_xxxxxx	Indoor unit setpoint	Write
MV 15	AC_FanSpeed_xx_xxxxxx	1 = auto, 2 = low, 3 = mid, 4 = high, 5 = turbo	Write
AI 1	AC_RoomTemp_xx_xxxxxx	Room temperature	Read
AI 19	AC_Error_Code_xx_xxxxxx	Integrated indoor/outdoor error code	Read
AI 2	DMS2.5_Status_xx	DMS2.5 / gateway communication status	Read

Enable & remote start

No enable point is described. Remote controller limits are per unit via *_Remocon_Limit (Enable RC / Disable RC / Conditional RC), and operation-mode limits via *_Mode_Limit.

Heartbeat & communication loss

No BMS heartbeat. When a unit loses communication its objects get Reliability = COMMUNICATION_FAILURE and the fault flag in Status_Flags set, and Present_Value is no longer guaranteed. A general air-conditioner error sets Reliability = UNRELIABLE_OTHER.

Network setup

BACnet port defaults to 47808; BBMD port defaults to 0 (not used). Changing the BBMD port stops local network communication.
Network No. (DNET, 1-40) defaults to 9 and must be different for each gateway on the same network.
Device ID = DNET + 3-digit CPP code + 2-digit unit address, created automatically (example: 941732 for gateway 9, indoor unit 01.01.32).
Command priorities 1-16 are supported; priority 8 is recommended.
Changing the point provision type (Basic/Advanced) restarts the DMS and changes instance numbers.
The DMS2.5 itself ships with IP 192.168.0.100.

Watch out for

Do not send control commands repeatedly in a short time; the DMS can stop from overload.
COV subscriptions are lost when the gateway is switched off; resubscribe after a power cycle.
If a SIM/PIM, centralized controller or interface module loses communication, other functions such as power distribution may also be affected; watch the error points.
Many points are optional and only exist on units that support them.

Samsung DMS2.5 BACnet Gateway (MIM-B17BN) 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.

174 of 174 shown

Type

Other

Access

Units

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Samsung DMS2.5 BACnet Gateway (MIM-B17BN) BACnet Points List
			Description			States
AImin	1	AC_RoomTemp_xx_xxxxxx	[Indoor unit] Indoor Temperature	°C	Read
AVmin	2	AC_Temp_Set_xx_xxxxxx	[Indoor unit] Set temperature	°C	Write
AV	3	AC_Cool_LimitTemp_xx_xxxxxx	[Indoor unit] Setting lower temperature limit	°C	Write
AV	4	AC_Heat_LimitTemp_xx_xxxxxx	[Indoor unit] Setting upper temperature limit	°C	Write
AI	5	AC_Baseline_kWh_xx_xxxxxx	[Indoor unit] Energy of indoor unit since base date	kWh	Read
AI	6	AC_Baseline_Minute_xx_xxxxxx	[Indoor unit] Hours of use, indoor unit since base date	Minute	Read
AI	7	AC_Period_kWh_xx_xxxxxx	[Indoor unit] Power value within period	kWh	Read
AI	8	AC_Period_Minute_xx_xxxxxx	[Indoor unit] Hours of use, indoor unit within period	Minute	Read
BVmin	9	AC_Power_xx_xxxxxx	[Indoor unit] Power On/Off		Write	Inactive=Off, Active=On
BV	10	AC_Cool_Limit_set_xx_xxxxxx	[Indoor unit] Applying lower temperature limit setting		Write	Inactive=False, Active=True
BV	11	AC_Heat_Limit_set_xx_xxxxxx	[Indoor unit] Applying upper temperature limit setting		Write	Inactive=False, Active=True
BI	12	AC_FilterSign_xx_xxxxxx	[Indoor unit] Filter sign status		Read	Inactive=False, Active=True
BO	13	AC_FilterSign_Reset_xx_xxxxxx	[Indoor unit] Filter sign reset		Write	Inactive=False, Active=True
MVmin	14	AC_Operation_Mode_xx_xxxxxx	[Indoor unit] Operation mode status		Write	1=Auto, 2=Cool, 3=Heat, 4=Fan, 5=Dry
MVmin	15	AC_FanSpeed_xx_xxxxxx	[Indoor unit] Fan speed status		Write	1=Auto, 2=Low, 3=Mid, 4=High, 5=Turbo
MV	16	AC_FanFlow_xx_xxxxxx	[Indoor unit] Air flow direction status		Write	1=None, 2=Vertical, 3=Horizon, 4=All, 5=Spot, 6=Mid, 7=Wide, 8=Swing
MV	17	AC_Mode_Limit_xx_xxxxxx	[Indoor unit] Operation mode limit status		Write	1=No Limit, 2=Cool Only, 3=Heat Only
MV	18	AC_Remocon_Limit_xx_xxxxxx	[Indoor unit] Remote controller limit status		Write	1=Enable RC, 2=Disable RC, 3=Conditional RC
AImin	19	AC_Error_Code_xx_xxxxxx	[Indoor unit] Integrated error code of both indoor unit and outdoor unit		Read
BV	20	AC_SPI_xx_xxxxxx	[Indoor unit] SPI setting		Write	Inactive=False, Active=True
BV	21	AC_MDS_xx_xxxxxx	[Indoor unit] HumanSensor setting		Write	Inactive=False, Active=True
AV	22	AC_DisCoolTemp_Set_xx_xxxxxx	[Indoor unit] Discharge cooling set temperature	°C(°F)	Write
AV	23	AC_DisHeatTemp_Set_xx_xxxxxx	[Indoor unit] Discharge heating set temperature	°C(°F)	Write
AI	24	AC_DisCurrentTemp_xx_xxxxxx	[Indoor unit] Discharge current temperature	°C(°F)	Read
BV	25	AC_WindFree_xx_xxxxxx	[Indoor unit] Wind-Free		Write	Inactive=False, Active=True
MV	26	AC_MDS_Opt_Direction_xx_xxxxx	[Indoor unit] MDS air-flow direction		Write	1=Indirect, 2=direct
AV	27	AC_Cool_Upper_LimitTemp_xx_xxxxx	[Indoor unit] Cooling temperature upper limit	°C(°F)	Write
AV	28	AC_Heat_Lower_LimitTemp_xx_xxxxx	[Indoor unit] Heating temperature lower limit	°C(°F)	Write
BV	29	AC_Cool_Upper_Limit_set_xx_xxxxx	[Indoor unit] Use of cooling temperature upper limit		Write	Inactive=False, Active=True
BV	30	AC_Heat_Lower_Limit_set_xx_xxxxx	[Indoor unit] Use of heating temperature lower limit		Write	Inactive=False, Active=True
AV	31	AC_DualSetPoint_CoolTemp_xx_xxxxx	[Indoor unit] Automatic Cooling Set Temperature	°C(°F)	Write
AV	32	AC_DualSetPoint_HeatTemp_xx_xxxxx	[Indoor unit] Automatic Heating Set Temperature	°C(°F)	Write
MI	33	AC_Air_Total_Clean_Level_xx_xxxxx	[Indoor unit] Comprehensive air cleanliness		Read	1=None, 2=Level 1 (Good), 3=Level 2 (Moderate), 4=Level 3 (Bad), 5=Level 4 (Very bad), 6=Level 5 (Very very bad), 7=Level 6 (Very very very bad)
AI	34	AC_Dust_Sensor_PM_10_0	[Indoor unit] PM10.0 value	μg/m3	Read
AI	35	AC_Dust_Sensor_PM_2_5	[Indoor unit] PM2.5 value	μg/m3	Read
AI	36	AC_Dust_Sensor_PM_1_0	[Indoor unit] PM1.0 value	μg/m3	Read
BV	47	AC_BV_1_Reserved_xx_xxxxxx	[Indoor unit] Reserved (labelled Long)		Write	Inactive=False, Active=True
NC	54	AC_Notify_xx_xxxxxx	[Indoor unit] AC Indoor Notify		Read
AI	1	AHU_RoomTemp_xx_xxxxxx	[AHU kit] Indoor Temperature	°C	Read
AV	2	AHU_Temp_Set_xx_xxxxxx	[AHU kit] Set temperature	°C	Write
AV	3	AHU_Cool_LimitTemp_xx_xxxxxx	[AHU kit] Setting lower temperature limit	°C	Write
AV	4	AHU_Heat_LimitTemp_xx_xxxxxx	[AHU kit] Setting upper temperature limit	°C	Write
AI	5	AHU_Baseline_kWh_xx_xxxxxx	[AHU kit] Energy of indoor unit since base date	kWh	Read
AI	6	AHU_Baseline_Minute_xx_xxxxxx	[AHU kit] Hours of use, indoor unit since base date	Minute	Read
AI	7	AHU_Period_kWh_xx_xxxxxx	[AHU kit] Power value within period	kWh	Read
AI	8	AHU_Period_Minute_xx_xxxxxx	[AHU kit] Hours of use, indoor unit within period	Minute	Read
BV	9	AHU_Power_xx_xxxxxx	[AHU kit] Power On/Off		Write	Inactive=Off, Active=On
BV	10	AHU_Cool_Limit_set_xx_xxxxxx	[AHU kit] Applying lower temperature limit setting		Write	Inactive=False, Active=True
BV	11	AHU_Heat_Limit_set_xx_xxxxxx	[AHU kit] Applying upper temperature limit setting		Write	Inactive=False, Active=True
BI	12	AHU_FilterSign_xx_xxxxxx	[AHU kit] Filter sign status		Read	Inactive=False, Active=True
BO	13	AHU_FilterSign_Reset_xx_xxxxxx	[AHU kit] Filter sign reset		Write	Inactive=False, Active=True
MV	14	AHU_Operation_Mode_xx_xxxxxx	[AHU kit] Operation mode status		Write	1=Auto, 2=Cool, 3=Heat, 4=Fan, 5=Dry
MV	15	AHU_Mode_Limit_xx_xxxxxx	[AHU kit] Operation mode limit status		Write	1=No Limit, 2=Cool Only, 3=Heat Only
MV	16	AHU_Remocon_Limit_xx_xxxxxx	[AHU kit] Remote controller limit status		Write	1=Enable RC, 2=Disable RC, 3=Conditional RC
AI	17	AHU_Error_Code_xx_xxxxxx	[AHU kit] Integrated error code of both indoor unit and outdoor unit		Read
AV	18	AHU_DisCoolSetTemp_xx_xxxxxx	[AHU kit] Discharge cooling set temperature	°C	Write
AV	19	AHU_DisHeatSetTemp_xx_xxxxxx	[AHU kit] Discharge heating set temperature	°C	Write
AI	20	AHU_Dis_CurrentTemp_xx_xxxxxx	[AHU kit] Discharge current temperature	°C	Read
BV	21	AHU_Humidification_xx_xxxxxx	[AHU kit] Humidification setting		Write	Inactive=Off, Active=On
BV	22	AHU_OAIntake_xx_xxxxxx	[AHU kit] Outdoor air intake setting		Write	Inactive=Off, Active=On
BV	23	AHU_OutdoorCool_xx_xxxxxx	[AHU kit] Outdoor cooling setting		Write	Inactive=Off, Active=On
MV	24	AHU_FanSpeed_xx_xxxxxx	[AHU kit] Fan speed status		Write	1=Low, 2=Mid, 3=High
MV	25	AHU_SetHumidity_xx_xxxxxx	[AHU kit] Set humidity status		Write	1=Low, 2=Mid, 3=High
MI	26	AHU_CurrentHumidity_xx_xxxxxx	[AHU kit] Current humidity status		Read	1=Low, 2=Mid, 3=High
AV	27	AHU_Cool_Upper_LimitTemp_xx_xxxxx	[AHU kit] Cooling temperature upper limit	°C(°F)	Write
AV	28	AHU_Heat_Lower_LimitTemp_xx_xxxxx	[AHU kit] Heating temperature lower limit	°C(°F)	Write
BV	29	AHU_Cool_Upper_Limit_set_xx_xxxxx	[AHU kit] Use of cooling temperature upper limit		Write	Inactive=False, Active=True
BV	30	AHU_Heat_Lower_Limit_set_xx_xxxxx	[AHU kit] Use of heating temperature lower limit		Write	Inactive=False, Active=True
AV	31	AHU_DualSetPoint_CoolTemp_xx_xxxxx	[AHU kit] Automatic Cooling Set Temperature	°C(°F)	Write
AV	32	AHU_DualSetPoint_HeatTemp_xx_xxxxx	[AHU kit] Automatic Heating Set Temperature	°C(°F)	Write
NC	33	AHU_Notify_xx_xxxxxx	[AHU kit] AHU Notify		Read
AI	1	EHS_RoomTemp_xx_xxxxxx	[EHS] Room temperature	°C	Read
AV	2	EHS_Temp_Set_xx_xxxxxx	[EHS] Set temperature	°C	Write
AV	3	EHS_WaterOutTemp_Set_xx_xxxxxx	[EHS] Set temperature of water out	°C	Write
AV	4	EHS_HotWaterTemp_Set_xx_xxxxxx	[EHS] Set temperature of hot water	°C	Write
AV	5	EHS_Cool_LimitTemp_xx_xxxxxx	[EHS] Setting lower temperature limit	°C	Write
AV	6	EHS_Heat_LimitTemp_xx_xxxxxx	[EHS] Setting upper temperature limit	°C	Write
AV	7	EHS_WOCoolLimitTemp_xx_xxxxxx	[EHS] Lower temperature limit for water out	°C	Write
AV	8	EHS_WOHeatLimitTemp_xx_xxxxxx	[EHS] Upper temperature limit for water out	°C	Write
AV	9	EHS_WTHeatlLimitTemp_xx_xxxxxx	[EHS] Upper temperature limit for hot water	°C	Write
AI	10	EHS_Baseline_kWh_xx_xxxxxx	[EHS] Energy since base date	kWh	Read
AI	11	EHS_Baseline_Minute_xx_xxxxxx	[EHS] Hours of use, indoor unit since base date	Minute	Read
AI	12	EHS_Period_kWh_xx_xxxxxx	[EHS] Power value within period	kWh	Read
AI	13	EHS_Period_Minute_xx_xxxxxx	[EHS] Hours of use, indoor unit within period	Minute	Read
AI	14	EHS_WOCurrentTemp_xx_xxxxxx	[EHS] Current temperature of water out	°C	Read
AI	15	EHS_HotWaterTemp_xx_xxxxxx	[EHS] Current temperature of hot water	°C	Read
BI	16	EHS_ControlTempType_xx_xxxxxx	[EHS] Displayed temperature type		Read	Inactive=Room, Active=WaterOut
BI	17	EHS_Thermostat_xx_xxxxxx	[EHS] Thermostat usage		Read	Inactive=False, Active=True
BI	18	EHS_GoOut_xx_xxxxxx	[EHS] Outing		Read	Inactive=Off, Active=On
BV	19	EHS_Power_xx_xxxxxx	[EHS] Power On/Off		Write	Inactive=Off, Active=On
BV	20	EHS_Cool_LimitTemp_Set_xx_xxxxxx	[EHS] Setting lower temperature limit		Write	Inactive=False, Active=True
BV	21	EHS_Heat_LimitTemp_Set_xx_xxxxxx	[EHS] Setting upper temperature limit		Write	Inactive=False, Active=True
BV	22	EHS_WOCoolLimitFlag_xx_xxxxxx	[EHS] Apply lower temperature limit for water out		Write	Inactive=False, Active=True
BV	23	EHS_WOHeatLimitFlag_xx_xxxxxx	[EHS] Apply upper temperature limit for water out		Write	Inactive=False, Active=True
BV	24	EHS_WTHeatLimitFlag_xx_xxxxxx	[EHS] Apply upper temperature limit for hot water		Write	Inactive=False, Active=True
BV	25	EHS_HotWater_Power_xx_xxxxxx	[EHS] On/Off status of hot water mode		Write	Inactive=Off, Active=On
BV	26	EHS_Sleep_xx_xxxxxx	[EHS] Status of quiet operation		Write	Inactive=Off, Active=On
MV	27	EHS_Operation_Mode_xx_xxxxxx	[EHS] Operation mode status		Write	1=Auto, 2=Cool, 3=Heat
MV	28	EHS_Mode_Limit_xx_xxxxxx	[EHS] Operation mode limit status		Write	1=No Limit, 2=Cool Only, 3=Heat Only
MV	29	EHS_Remocon_Limit_xx_xxxxxx	[EHS] Remote controller limit status		Write	1=Enable RC, 2=Disable RC, 3=Conditional RC
MV	30	EHS_HotWater_Mode_xx_xxxxxx	[EHS] Status of hot water operation mode		Write	1=Force (future), 2=Eco, 3=Standard, 4=Power
AI	31	EHS_Error_Code_xx_xxxxxx	[EHS] Integrated error code of both indoor unit and outdoor unit		Read
AV	32	EHS_Cool_Upper_LimitTemp_xx_xxxxx	[EHS] Cooling temperature upper limit	°C(°F)	Write
AV	33	EHS_Heat_Lower_LimitTemp_xx_xxxxx	[EHS] Heating temperature lower limit	°C(°F)	Write
AV	34	EHS_WO_Cool_Upper_LimitTemp_xx_xxxxx	[EHS] Cooling temperature upper limit, based on water out temperature	°C(°F)	Write
AV	35	EHS_WO_Heat_Lower_LimitTemp_xx_xxxxx	[EHS] Heating temperature lower limit, based on water out temperature	°C(°F)	Write
AV	36	EHS_WT_Heat_Lower_LimitTemp_xx_xxxxx	[EHS] Hot water temperature lower limit	°C(°F)	Write
BV	37	EHS_Cool_Upper_Limit_set_xx_xxxxx	[EHS] Use of cooling temperature upper limit		Write	Inactive=False, Active=True
BV	38	EHS_Heat_Lower_Limit_set_xx_xxxxx	[EHS] Use of heating temperature lower limit		Write	Inactive=False, Active=True
BV	39	EHS_WO_Cool_Upper_LimitFlag_xx_xxxxx	[EHS] Use of cooling temperature upper limit, based on water out temperature		Write	Inactive=False, Active=True
BV	40	EHS_WO_Heat_Lower_LimitFlag_xx_xxxxx	[EHS] Use of heating temperature lower limit, based on water out temperature		Write	Inactive=False, Active=True
BV	41	EHS_WT_Heat_Lower_LimitFlag_xx_xxxxx	[EHS] Use of hot water temperature lower limit		Write	Inactive=False, Active=True
NC	42	EHS_Notify_xx_xxxxxx	[EHS] EHS notify		Read
BV	1	ERV_Power_xx_xxxxxx	[ERV] Power On/Off operation		Write	Inactive=Off, Active=On
BI	2	ERV_FilterSign_xx_xxxxxx	[ERV] Filter sign status		Read	Inactive=False, Active=True
BO	3	ERV_FilterSign_Reset_xx_xxxxxx	[ERV] Filter sign reset		Write	Inactive=False, Active=True
MV	4	ERV_Operation_Mode_xx_xxxxxx	[ERV] Operation mode status		Write	1=Auto, 2=HeatEx, 3=Bypass, 4=Sleep
MV	5	ERV_FanSpeed_xx_xxxxxx	[ERV] Fan speed status		Write	1=Low, 2=High, 3=Turbo
MV	6	ERV_Remocon_Limit_xx_xxxxxx	[ERV] Remote controller limit status		Write	1=Enable RC, 2=Disable RC, 3=Conditional RC
AI	7	ERV_Error_Code_xx_xxxxxx	[ERV] Integrated error code of ERV unit		Read
AI	8	ERV_Plus_Baseline_kWh_xx_xxxxxx	[ERV] Energy of ERV Plus unit since base date	kWh	Read
AI	9	ERV_Plus_Baseline_Minute_xx_xxxxxx	[ERV] Hours of use, ERV Plus unit since base date	Minute	Read
AI	10	ERV_Plus_Period_kWh_xx_xxxxxx	[ERV] Power value within period	kWh	Read
AI	11	ERV_Plus_Period_Minute_xx_xxxxxx	[ERV] Hours of use, ERV Plus unit within period	Minute	Read
MV	12	ERV_Plus_Operation_Mode_xx_xxxxxx	[ERV] ERV Plus operation mode status		Write	1=Auto, 2=Cool, 3=Heat, 4=Off
MV	13	ERV_Plus_Mode_Limit_xx_xxxxxx	[ERV] ERV Plus operation mode limit status		Write	1=No Limit, 2=Cool Only, 3=Heat Only
NC	14	ERV_Notify_xx_xxxxxx	[ERV] ERV Notify		Read
AI	1	MC_WaterTemp_xx_xxxxxx	[DVM chiller] Chilled Water Temperature	°C(°F)	Read
AV	2	MC_WaterTemp_Set_xx_xxxxxx	[DVM chiller] Set temperature	°C(°F)	Write
AV	3	MC_Demand_Set_xx_xxxxxx	[DVM chiller] Demand limit setting	%	Write
AI	4	MC_Baseline_Minute_xx_xxxxxx	[DVM chiller] Hours of use, indoor unit since base date	Minute	Read
AI	5	MC_Period_Minute_xx_xxxxxx	[DVM chiller] Hours of use, indoor unit within period	Minute	Read
BV	6	MC_Power_xx_xxxxxx	[DVM chiller] Power On/Off operation		Write	Inactive=Off, Active=On
BO	7	MC_Water_Law_xx_xxxxxx	[DVM chiller] Water Law		Write	Inactive=False, Active=True
BV	8	MC_Quiet_xx_xxxxxx	[DVM chiller] Quiet		Write	Inactive=Off, Active=On
BV	9	MC_Forced_Fan_xx_xxxxxx	[DVM chiller] Forced Fan		Write	Inactive=Off, Active=On
MV	10	MC_Operation_Mode_xx_xxxxxx	[DVM chiller] Operation mode status		Write	1=Cool, 2=Heat, 3=Cool Storage, 4=Hot Water
MV	11	MC_Remocon_Limit_xx_xxxxxx	[DVM chiller] Remote controller limit status		Write	1=Enable RC, 2=Disable RC, 3=Conditional RC
AI	12	MC_Error_Code_xx_xxxxxx	[DVM chiller] Integrated error code		Read
NC	13	MC_Notify_xx_xxxxxx	[DVM chiller] DVM CHILLER Notify		Read
AI	1	SIM_Error_Code_xx_xx	[SIM/PIM] SIM/PIM error code		Read
NC	2	SIM_Notify_xx_xx	[SIM/PIM] SIM/PIM Notify		Read
AI	1	Central_Error_Code_xx_xx	[Central ctrl] Centralized Controller (OnOff Controller) error code		Read
NC	2	Central_Notify_xx_xx	[Central ctrl] Centralized Controller (OnOff Controller) notify		Read
AI	1	ODU_Outside_Temp_xx_xxxx	[Outdoor unit] Outside temperature	°C	Read
AV	2	ODU_Cool_Compensation_xx_xxxx	[Outdoor unit] Cool capacity compensation		Write	0=5~7 °C, 1=7~9 °C, 2=9~11 °C, 3=10~12 °C, 4=11~13 °C, 5=12~14 °C, 6=13~15 °C, 14=Auto control (from ODU)
AV	3	ODU_Heat_Compensation_xx_xxxx	[Outdoor unit] Heat capacity compensation		Write	0=25 kg/cm², 1=26, 2=27, 3=28, 4=29, 5=30, 6=31, 7=32, 8=33 kg/cm², 14=Auto control (from ODU)
BI	4	ODU_Comp_Status_xx_xxxx	[Outdoor unit] Compressor status		Read	Inactive=False, Active=True
AI	5	Repeater_Error_Code_xx_xxxx	[Outdoor unit] Interface Module (Outdoor Unit) error code		Read
AI	6	ODU_Water_Temp_xx_xxxxx	[Outdoor unit] Water temperature	°C(°F)	Read
BI	7	ODU_HotGas_Charging_Valve_xx_xxxxx	[Outdoor unit] Hot gas charging valve		Read	Inactive=False, Active=True
NC	8	IM_Notify_xx_xxxx	[Outdoor unit] Interface Module (Outdoor Unit) notify		Read
BO	1	ALL_OFF_xx	[Gateway] All device OFF		Write	Inactive=All devices Off
AImin	2	DMS2.5_Status_xx	[Gateway] DMS2.5 Status		Read	0=Normal, 8=Emergency stop, 105=Tracking in progress, 108=Tracking failed, 109=DMS2.5-BACnet communication failed
AI	3	BACnetApp_Error_Code_xx	[Gateway] BACnet error code		Read
NC	4	GW_Notify_xx	[Gateway] Gateway Notify		Read
BI	1	DI_01_xx_xx	[DDC] Digital Input 1 (reserved by BACnet gateway)		Read	Inactive=Off, Active=On
BI	2	DI_02_xx_xx	[DDC] Digital Input 2 (reserved by BACnet gateway)		Read	Inactive=Off, Active=On
BI	3	DI_03_xx_xx	[DDC] Digital Input 3		Read	Inactive=Off, Active=On
BI	4	DI_04_xx_xx	[DDC] Digital Input 4		Read	Inactive=Off, Active=On
BI	5	DI_05_xx_xx	[DDC] Digital Input 5		Read	Inactive=Off, Active=On
BI	6	DI_06_xx_xx	[DDC] Digital Input 6		Read	Inactive=Off, Active=On
BI	7	DI_07_xx_xx	[DDC] Digital Input 7		Read	Inactive=Off, Active=On
BI	8	DI_08_xx_xx	[DDC] Digital Input 8		Read	Inactive=Off, Active=On
BI	9	DI_09_xx_xx	[DDC] Digital Input 9		Read	Inactive=Off, Active=On
BI	10	DI_10_xx_xx	[DDC] Digital Input 10		Read	Inactive=Off, Active=On
BO	11	DO_01_xx_xx	[DDC] Digital Output 1 (reserved by BACnet gateway)		Write	Inactive=Off, Active=On
BO	12	DO_02_xx_xx	[DDC] Digital Output 2 (reserved by BACnet gateway)		Write	Inactive=Off, Active=On
BO	13	DO_03_xx_xx	[DDC] Digital Output 3		Write	Inactive=Off, Active=On
BO	14	DO_04_xx_xx	[DDC] Digital Output 4		Write	Inactive=Off, Active=On
BO	15	DO_05_xx_xx	[DDC] Digital Output 5		Write	Inactive=Off, Active=On
BO	16	DO_06_xx_xx	[DDC] Digital Output 6		Write	Inactive=Off, Active=On
BO	17	DO_07_xx_xx	[DDC] Digital Output 7		Write	Inactive=Off, Active=On
BO	18	DO_08_xx_xx	[DDC] Digital Output 8		Write	Inactive=Off, Active=On

Integration notes

Device ID = DNET (gateway number 1-40) + 3-digit CPP code + 2-digit unit address. Example from the manual: gateway 9, indoor unit 01.01.32 -> 9 + 417 (400 + 1x16 + 1) + 32 = 941732.
CPP ranges: 000-015 centralized controller, 100-115 SIM/PIM, 300-315 DMS DI/DO, 400-655 interface module (outdoor unit) and units behind it; the BACnet gateway itself uses 900.
Advanced vs Basic: Basic indoor units stop at 24 with Notify at 25 (Advanced: Notify 54, 37-53 reserved); Basic AHU kit stops at 26 with Notify at 27; Basic EHS stops at 31 with Notify at 32; Basic outdoor unit lacks 6-7 and has Notify at 6.
Many points are optional and only appear if the unit supports them (Wind-Free, MDS, dust sensors, ERV Plus, outdoor water temp/hot gas valve).
The manual does not mark read/write per point; access here is inferred from object type. Command priorities 1-16 are supported and level 8 is recommended.
Object names keep the manual's xx/xxxxxx placeholders, which the gateway fills with unit address digits.

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 DMS2.5 BACnet Gateway (MIM-B17BN) 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 Samsung DMS2.5 BACnet Gateway (MIM-B17BN)

How many BACnet points does the Samsung DMS2.5 BACnet Gateway (MIM-B17BN) have?

This list has 174 BACnet objects: 41 analog inputs, 35 analog values, 18 binary inputs, 13 binary outputs, 34 binary values, 2 multi-state inputs, 9 notification classs, 22 multi-state values. The exact set on a given unit depends on its firmware, installed options and configuration.

Which Samsung DMS2.5 BACnet Gateway (MIM-B17BN) BACnet points are writable?

104 of the 174 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 Samsung DMS2.5 BACnet Gateway (MIM-B17BN) BACnet documentation?

The source is DMS2.5 / BACnet Gateway MIM-B17BN / LonWorks Gateway MIM-B18BN User & installation manual (DB68-06095A-05), revision 2022-11, published free by Samsung at https://org.downloadcenter.samsung.com/downloadfile/ContentsFile.aspx?CDSite=UNI_N_AFRICA&OriginYN=N&ModelType=N&ModelName=MIM-B17BN&CttFileID=9111650&CDCttType=UM&VPath=UM%2F202303%2F20230330094513360%2FDB68-06095A-05_IBIM_NASA_DMS2.5_BACnet_LW_EU_EN_221128-D01.pdf.

What are the minimum BACnet points to integrate the Samsung DMS2.5 BACnet Gateway (MIM-B17BN)?

Start with BV 9 AC_Power_xx_xxxxxx (Indoor unit on/off); MV 14 AC_Operation_Mode_xx_xxxxxx (Indoor unit operating mode); AV 2 AC_Temp_Set_xx_xxxxxx (Indoor unit setpoint); MV 15 AC_FanSpeed_xx_xxxxxx (1 = auto, 2 = low, 3 = mid, 4 = high, 5 = turbo); AI 1 AC_RoomTemp_xx_xxxxxx (Room temperature); AI 19 AC_Error_Code_xx_xxxxxx (Integrated indoor/outdoor error code); AI 2 DMS2.5_Status_xx (DMS2.5 / gateway communication status).

How do I enable BMS control of the Samsung DMS2.5 BACnet Gateway (MIM-B17BN)?

No enable point is described. Remote controller limits are per unit via *_Remocon_Limit (Enable RC / Disable RC / Conditional RC), and operation-mode limits via *_Mode_Limit.

Does the Samsung DMS2.5 BACnet Gateway (MIM-B17BN) need a BACnet heartbeat or have a communication timeout?

How do I check these points on the real DMS2.5 BACnet Gateway (MIM-B17BN)?

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.

Source: DMS2.5 / BACnet Gateway MIM-B17BN / LonWorks Gateway MIM-B18BN User & installation manual · DB68-06095A-05 · rev. 2022-11. Object names, instances and units are reproduced as published; descriptions are our own.