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Evaporative humidifier BACnet gateway · BACnet points list
Condair Condair ME (BACnet gateway board) BACnet points list
Updated 28 October 2026
Condair ME units can reach BACnet IP or MS/TP through the optional ProtoCessor gateway board. The virtual device reports status, maintenance countdowns, per-stage capacity and pump demand, water and air temperature, faults, and offers writable humidity and temperature loops, wash-over/drain commands and demand inputs.
This page lists 59 BACnet objects for the Condair Condair ME (BACnet gateway board) — 10 of them writable — with each object’s type, instance number, name, engineering units and access. It is re-typed from Condair’s own free documentation, linked below.
- Manufacturer
- Condair
- Model
- Condair ME (BACnet gateway board)
- Equipment
- Evaporative humidifier BACnet gateway
- Equipment type
- Humidifiers
- BACnet objects
- 59 (10 writable)
- Transport
- BACnet IP, BACnet MS/TP
- Firmware
- Integrated Controller 5.9.x.x / 5.10.x.x
- Default device instance
- 410 (BACnet IP); 1001 (MS/TP)
- Also known as
- Virtual_BCU_ME, ME ProtoCessor gateway
BMS integration notes: Condair Condair ME (BACnet gateway board)
Configure the ME controller for Modbus RTU with Signal Source = Modbus and System Mode (Humidifying or Cooling), set up the gateway's BACnet side, and write demand/RH to AO 1 and, for cooling, air temperature to AO 2. Check BI 19 for gateway-to-unit communication.
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 |
|---|---|---|---|
| AO 1 | AO_RemRHorDem | Demand or measured RH from the BMS | Command |
| AV 1 | AV_SetPointHum | Humidity setpoint used in RH P/PI mode | Write |
| AO 2 | AO_RemTemp | Air temperature from the BMS (cooling system mode) | Command |
| BV 1 | BV_Reset | Reset errors and warnings (1 = reset) | Write |
| MI 1 | MI_HumStatus | Operating status | Read |
| AI 26 | AI_NumStgAct | Number of stages running | Read |
| BI 19 | BI_Connection | Gateway-to-humidifier node status | Read |
| MI 2 | MI_ServStatus | Maintenance/fault status | Read |
| AI 1 | AI_ErrorCode | Active error code | Read |
Enable & remote start
Set Control Settings (password 0335) > Signal Source to Modbus, choose the Control Mode (Demand, RH P or RH PI), and set the controller's Modbus RTU parameters to match the gateway. On the ME also set System Mode to Humidifying or Cooling.
Heartbeat & communication loss
Controller BMS Timeout (1-300 s, default 300 s): if the control signal is not updated within the timeout, warning W35 BMS Timeout is raised and humidification stops until a valid signal returns. The gateway only forwards the control value to the humidifier when it changes.
Sensors & values from the BMS
In Demand mode the BMS writes the required output (0-100 %) to the AO 1. In RH P or RH PI mode the BMS writes the measured humidity there and the controller's own setpoint, P-band and I-time AVs do the control. Do not connect a hard-wired demand or sensor signal while the BACnet signal is used. AO 2 carries the air temperature for cooling control.
Network setup
- Integrated Controller Communication submenu (password 0335): Modbus/RTU, address 10, even parity, 9600 baud, MSR first; disable the controller's own BACnet function.
- Gateway factory settings: BACnet IP device instance DL 300, ME 410, RS 710 (EL 220); MS/TP 9600 baud, MAC 127, Node_ID 1001.
- Gateway IP defaults to 192.168.1.24/24 for boards built from February 2022 (10.232.72.172/16 before); configure via the FS-GUI web page on port 80.
- Device instance, network number (default 101) and MS/TP MAC are edited in the gateway's config.csv.
Watch out for
- Because the gateway only passes the control value on when it changes, rewriting an identical value may not refresh the controller's BMS timeout; the manual does not describe a workaround.
- Object names and instances differ from the BACnet on-board interface of the same humidifier; do not reuse an on-board mapping.
- Capacity, pressure and temperature units follow the controller's Metric/Imperial setting.
Condair Condair ME (BACnet gateway board) 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 | |||||
|---|---|---|---|---|---|---|
| DEV | 410 | Virtual_BCU_ME | Humidifier ME | Read | ||
| MImin | 1 | MI_HumStatus | Operating status | Read | 1=Initializing, 2=Diagnostic, 3=Stopped, 4=Humidifying, 5=Cooling, 6=Holding, 7=Draining, 8=Refreshing, 9=Filling, 10=Standby, 11=Diluting, 12=Drain Assisting, 13=Bleeding, 14=Ramping Up, 15=Switched Off, 16=Remote Off, 17=Purging, 18=Drain Check | |
| MImin | 2 | MI_ServStatus | Maintenance and malfunctions status | Read | 1=Service Info, 2=Warning, 3=Service, 4=Refill Liquid, 5=Replace Pure- Flow Ag+, 6=Replace UV Bulb, 7=Matrix Wash Over, 8=Out of Comissioning, 9=Activation Code, 10=Fault | |
| AImin | 1 | AI_ErrorCode | Error code | Read | 0=no Error | |
| AI | 2 | AI_OperatHours | Operating hours | h | Read | |
| AI | 3 | AI_NextSySvc | Next service | h | Read | |
| AI | 4 | AI_NextUVSvc | Next UV bulb exchange | days | Read | |
| AI | 5 | AI_NextAgSvc | Next PureFlo Ag+ exchange | days | Read | |
| AI | 6 | AI_RHorDemand | Actual humidity or demand | % | Read | |
| AI | 7 | AI_Temp | Actual air temperature | °C or °F | Read | |
| AI | 8 | AI_UVCurrA | UV current | A | Read | |
| AI | 9 | AI_Stage1Cap | Water capacity stage 1 | kg/h or lb/h | Read | |
| AI | 10 | AI_Stage2Cap | Water capacity stage 2 | kg/h or lb/h | Read | |
| AI | 11 | AI_Stage3Cap | Water capacity stage 3 | kg/h or lb/h | Read | |
| AI | 12 | AI_Stage4Cap | Water capacity stage 4 | kg/h or lb/h | Read | |
| AI | 13 | AI_Stage5Cap | Water capacity stage 5 | kg/h or lb/h | Read | |
| AI | 14 | AI_Stage6Cap | Water capacity stage 6 | kg/h or lb/h | Read | |
| AI | 15 | AI_Stage7Cap | Water capacity stage 7 | kg/h or lb/h | Read | |
| AI | 16 | AI_SpeedPump1 | Demand pump 1 | % | Read | |
| AI | 17 | AI_SpeedPump2 | Demand pump 2 | % | Read | |
| AI | 18 | AI_SpeedPump3 | Demand pump 3 | % | Read | |
| AI | 19 | AI_SpeedPump4 | Demand pump 4 | % | Read | |
| AI | 20 | AI_SpeedPump5 | Demand pump 5 | % | Read | |
| AI | 21 | AI_SpeedPump6 | Demand pump 6 | % | Read | |
| AI | 22 | AI_SpeedPump7 | Demand pump 7 | % | Read | |
| AI | 23 | AI_ConductLp | Conductivity | µS/cm | Read | |
| AI | 24 | AI_WtrTmp | Actual water temperature | °C or °F | Read | |
| AI | 25 | AI_AirTmp | Actual air temperature | °C or °F | Read | |
| AImin | 26 | AI_NumStgAct | Number of running stages | Read | ||
| AI | 27 | AI_Level | Water level in tub | Read | ||
| AVmin | 1 | AV_SetPointHum | Humidity setpoint | % | Write | |
| AV | 2 | AV_PropBandH | Proportional band humidity control | % | Write | |
| AV | 3 | AV_IntTimeH | Integral time humidity control | min | Write | |
| AV | 4 | AV_SetPointTmp | Temperature setpoint | °C or °F | Write | |
| AV | 5 | AV_PropBandT | Proportional band temperature control | °C or °F | Write | |
| AV | 6 | AV_IntTimeT | Integral time temperatur control | min | Write | |
| AV | 7 | AV_WashAct | Matrix wash over / Tank draining | Write | Read: 0=Off, 1=Initialisierung, 2=Process active, 3=Process completed, Write: 0=Stop active process, 1=Start matrix wash over, 2=Start tank draining | |
| AOmin | 1 | AO_RemRHorDem | Actual humidity or demand via BACnet | % | Command | |
| AOmin | 2 | AO_RemTemp | Actual temperature via BACnet | °C or °F | Command | |
| BI | 1 | BI_ExtSChLSta | Safety loop | Read | 0=Open, 1=Closed (ok) | |
| BI | 2 | BI_DosLvl | Dosing pump level | Read | 0=Empty, 1=Ok | |
| BI | 3 | BI_Leak | Leakage sensor | Read | 0=Leakage, 1=Ok | |
| BI | 4 | BI_DrainValLp | Drain valve | Read | 0=Open, 1=Closed | |
| BI | 5 | BI_FillValLp | Inlet valve | Read | 0=Closed, 1=Open | |
| BI | 6 | BI_DrainPump | Drain pump | Read | 0=Off, 1=On | |
| BI | 7 | BI_Pump1Err | Fault pump 1 | Read | 0=Fault, 1=Ok | |
| BI | 8 | BI_Pump2Err | Fault pump 2 | Read | 0=Fault, 1=Ok | |
| BI | 9 | BI_Pump3Err | Fault pump 3 | Read | 0=Fault, 1=Ok | |
| BI | 10 | BI_Pump4Err | Fault pump 4 | Read | 0=Fault, 1=Ok | |
| BI | 11 | BI_Pump5Err | Fault pump 5 | Read | 0=Fault, 1=Ok | |
| BI | 12 | BI_Pump6Err | Fault pump 6 | Read | 0=Fault, 1=Ok | |
| BI | 13 | BI_Pump7Err | Fault pump 7 | Read | 0=Fault, 1=Ok | |
| BI | 14 | BI_InletErr | Fault water inlet | Read | 0=Fault, 1=Ok | |
| BI | 15 | BI_TempErr | Fault water temperature | Read | 0=Fault, 1=Ok | |
| BI | 16 | BI_OutletErr | Fault water outlet | Read | 0=Fault, 1=Ok | |
| BI | 17 | BI_LevSenErr | Fault level sensor | Read | 0=Fault, 1=Ok | |
| BI | 18 | BI_CondErr | Fault water conductivity | Read | 0=Fault, 1=Ok | |
| BImin | 19 | BI_Connection | Node status | Read | 0=Node offline, 1=Node online | |
| BVmin | 1 | BV_Reset | Remote reset | Write | 0=Off, 1=On |
No points match these filters.
Integration notes
- These objects belong to the optional ProtoCessor (FieldServer) BACnet/LonWorks gateway board, not the BACnet on-board interface; object names and instances differ between the two.
- Gateway defaults: IP 192.168.1.24 (boards shipped from February 2022; earlier boards 10.232.72.172), network number 101, MS/TP MAC 127 and MS/TP Node_ID 1001; settings are edited in the gateway's config.csv via its web GUI.
- The gateway talks to the Integrated Controller over Modbus RTU, so the controller signal source is set to Modbus (not BACnet) and its own BACnet on-board function must be Off.
- Capacity, pressure and temperature units follow the controller's Metric/Imperial setting.
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 Condair ME (BACnet gateway board) 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 Condair Condair ME (BACnet gateway board)
How many BACnet points does the Condair Condair ME (BACnet gateway board) have?
This list has 59 BACnet objects: 27 analog inputs, 2 analog outputs, 7 analog values, 19 binary inputs, 1 binary value, 1 device, 2 multi-state inputs. The exact set on a given unit depends on its firmware, installed options and configuration.
Which Condair Condair ME (BACnet gateway board) BACnet points are writable?
10 of the 59 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 Condair Condair ME (BACnet gateway board) BACnet documentation?
The source is Gateway Board for BACnet and LonWorks - Supplemental Installation and Operation Manual (2585293-L), revision 2022-02, published free by Condair at https://www.condair.com/consense/bms-communication-ic-1.0/am_bms_interface_2585293_en_condairltd.pdf.
What are the minimum BACnet points to integrate the Condair Condair ME (BACnet gateway board)?
Start with AO 1 AO_RemRHorDem (Demand or measured RH from the BMS); AV 1 AV_SetPointHum (Humidity setpoint used in RH P/PI mode); AO 2 AO_RemTemp (Air temperature from the BMS (cooling system mode)); BV 1 BV_Reset (Reset errors and warnings (1 = reset)); MI 1 MI_HumStatus (Operating status); AI 26 AI_NumStgAct (Number of stages running); BI 19 BI_Connection (Gateway-to-humidifier node status); MI 2 MI_ServStatus (Maintenance/fault status); AI 1 AI_ErrorCode (Active error code).
How do I enable BMS control of the Condair Condair ME (BACnet gateway board)?
Set Control Settings (password 0335) > Signal Source to Modbus, choose the Control Mode (Demand, RH P or RH PI), and set the controller's Modbus RTU parameters to match the gateway. On the ME also set System Mode to Humidifying or Cooling.
Does the Condair Condair ME (BACnet gateway board) need a BACnet heartbeat or have a communication timeout?
Controller BMS Timeout (1-300 s, default 300 s): if the control signal is not updated within the timeout, warning W35 BMS Timeout is raised and humidification stops until a valid signal returns. The gateway only forwards the control value to the humidifier when it changes.
Can the BMS supply sensor values to the Condair Condair ME (BACnet gateway board)?
In Demand mode the BMS writes the required output (0-100 %) to the AO 1. In RH P or RH PI mode the BMS writes the measured humidity there and the controller's own setpoint, P-band and I-time AVs do the control. Do not connect a hard-wired demand or sensor signal while the BACnet signal is used. AO 2 carries the air temperature for cooling control.
How do I check these points on the real Condair ME (BACnet gateway board)?
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 Condair BACnet points lists
- Hybrid (spray + evaporative) humidifier
Condair Condair DL
Condair DL / DL II hybrid in-duct humidifiers with the Integrated Controller.
Also known as: Condair DL II, DL hybrid humidifier, Integrated Controller DL - Hybrid humidifier BACnet gateway
Condair Condair DL (BACnet gateway board)
Condair DL hybrid humidifiers (Integrated Controller 5.9.x.x) fitted with the optional BACnet/LonWorks gateway board.
Also known as: Virtual_BCU_DL, DL ProtoCessor gateway, BMS DL BACnet - Gas-fired steam humidifier
Condair Condair GS II
Condair GS II gas-fired steam humidifiers with the Integrated Controller (software 5.10.1.14 or later).
Also known as: Condair GS, Nortec GS II, GS gas-fired humidifier - Evaporative humidifier / cooler
Condair Condair ME
Condair ME / ME II in-duct evaporative humidifiers and evaporative coolers.
Also known as: Condair ME II, ME evaporative humidifier - Reverse osmosis water treatment unit
Condair Condair RO-A
Condair RO-A reverse osmosis units connected through the Integrated Controller.
Also known as: RO-A reverse osmosis - Reverse osmosis water treatment unit
Condair Condair RO-E
Condair RO-E and RO-E+ reverse osmosis water treatment units for humidifier feed water.
Also known as: Condair RO-E+, RO-E reverse osmosis - Electric resistive steam humidifier
Condair Condair RS
Condair RS / RS II single and dual cylinder (A/B) resistive steam humidifiers.
Also known as: Condair RS II, RS resistive steam humidifier, Nortec RS - Resistive steam humidifier BACnet gateway
Condair Condair RS (BACnet gateway board)
Condair RS resistive steam humidifiers (Integrated Controller 5.9.x.x) with the optional BACnet/LonWorks gateway board.
Also known as: Virtual_BCU_RS, RS ProtoCessor gateway - High-pressure nozzle humidification system
Condair Condair Vita
Condair Vita high-pressure nozzle humidification systems with up to 50 areas.
Also known as: Condair Vita high-pressure, Vita System Master
Source: Gateway Board for BACnet and LonWorks - Supplemental Installation and Operation Manual · 2585293-L · rev. 2022-02. Object names, instances and units are reproduced as published; descriptions are our own.