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Airflow control valve (lab / fume hood) · BACnet points list
Accutrol AVC6000 AccuValve airflow control valve (fume hood and set point modes) BACnet points list
Updated 12 November 2026
The AVC6000 is a valve-mounted airflow controller for lab supply, exhaust and fume hood valves, on BACnet MS/TP. It reports measured airflow, valve position and the active setpoint; in fume hood mode it adds face velocity, sash position, hood alarms and purge. The airflow setpoint can come from an analog input, dry contacts or a BACnet AV, and MSI 2 shows which mode is active.
This page lists 31 BACnet objects for the Accutrol AVC6000 AccuValve airflow control valve (fume hood and set point modes) — 14 of them writable — with each object’s type, instance number, name, engineering units and access. It is re-typed from Accutrol’s own free documentation, linked below.
- Manufacturer
- Accutrol
- Model
- AVC6000 AccuValve airflow control valve (fume hood and set point modes)
- Equipment
- Airflow control valve (lab / fume hood)
- Equipment type
- Valves & actuators
- BACnet objects
- 31 (14 writable)
- Transport
- BACnet MS/TP
- Firmware
- 9.0 (PICS November 2018)
- Also known as
- AVC6000, AccuValve, AVC, AVC Product Family, Accutrol AccuValve
Reference only, provided as-is: verify against Accutrol’s current documentation and the live device before use. Not official Accutrol information. Terms of use.
BMS integration notes: Accutrol AVC6000 AccuValve airflow control valve (fume hood and set point modes)
Check MSI 2 first: it shows whether the setpoint comes from the analog input, dry contacts, AV 1 or the fume hood logic. In BACnet setpoint mode write the airflow setpoint to AV 1 and read AI 1 and AI 8 back. In fume hood mode read face velocity, sash position and the hood alarms; BV 1 requests purge.
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 |
|---|---|---|---|
| AV 1 | BACnet Airflow Volume Setpoint | Airflow setpoint when MSI 2 = 3 (BACnet mode) | Write |
| BV 1 | Remote Purge Request | Purge request, fume hood mode | Write |
| AI 1 | Airflow Volume | Measured airflow | Read |
| AI 8 | Airflow Volume Setpoint to Control Loop | Active airflow setpoint | Read |
| AI 3 | Valve Position Feedback | Valve position, % | Read |
| AI 4 | Face Velocity | Face velocity, fume hood mode | Read |
| AI 6 | Sash Position % OPEN | Sash opening, %, fume hood mode | Read |
| MI 2 | Mode Selector | Control mode; 3 = BACnet setpoint, 4 = fume hood | Read |
| BI 1 | Alarm | General alarm | Read |
Enable & remote start
The setpoint source is the controller's mode (MSI 2, read-only over BACnet); AV 1 only controls airflow in BACnet setpoint mode (MSI 2 = 3). The mode is configured with the Insight tool.
Network setup
- BACnet MS/TP on EIA-485; the device instance is set by writing Object_Identifier (the wildcard instance 4194303 works).
- Disconnect the Insight USB and Bluetooth links during BACnet operation to avoid conflicts.
- AV 2 sets an unsubscribed COV broadcast interval; up to 40 COV subscriptions are supported.
Watch out for
- BV 2 writes the configuration to flash, which allows only 10,000 writes (AI 7 counts what is left); never write it cyclically.
- The internal loop drives AO 1 at priority 10; writing it at a higher priority overrides airflow control.
- The manual itself recommends an analog signal for the airflow setpoint over BACnet MS/TP.
Accutrol AVC6000 AccuValve airflow control valve (fume hood and set point modes) 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 | |||||
|---|---|---|---|---|---|---|
| AImin | 1 | Airflow Volume | Measured airflow | CFM (or SI per MSI3) | Read | |
| AI | 2 | Analog Airflow Volume Setpoint | Setpoint from the hardware analog input AI-1; invalid in fume hood or BACnet setpoint mode | CFM (or SI per MSI3) | Read | |
| AImin | 3 | Valve Position Feedback | Valve position | % | Read | |
| AImin | 4 | Face Velocity | Hood face velocity (fume hood mode only) | FPM (or SI per MSI4) | Read | |
| AI | 5 | Face Velocity Set point | Face velocity setpoint (fume hood mode only) | FPM (or SI per MSI4) | Read | |
| AImin | 6 | Sash Position % OPEN | Sash opening (fume hood mode only) | % | Read | |
| AI | 7 | Flash Writes Remaining | Flash write cycles left (of 10,000) | Read | ||
| AImin | 8 | Airflow Volume Setpoint to Control Loop | Active airflow setpoint used by the loop | CFM (or SI per MSI3) | Read | |
| AI | 9 | AccuNet Totalized Airflow Volume | Total airflow of the AccuNet group | CFM (or SI per MSI3) | Read | |
| AVmin | 1 | BACnet Airflow Volume Setpoint | Airflow setpoint written by the BMS (BACnet setpoint mode) | CFM (or SI per MSI3) | Write | |
| AV | 2 | Unsubscribed COV Interval | Unsubscribed COV broadcast interval, 0 = off | s | Write | |
| AV | 3 | Airflow Volume Setpoint Offset | Offset added to the airflow setpoint | CFM (or SI per MSI3) | Write | |
| AV | 4 | Airflow Volume Measurement Adjust | Airflow measurement correction | % | Write | |
| AV | 5 | Airflow Volume Range Minimum Limit | Minimum airflow limit | CFM (or SI per MSI3) | Write | |
| AV | 6 | Airflow Volume Range Maximum Limit | Maximum airflow limit | CFM (or SI per MSI3) | Write | |
| AO | 1 | Valve Actuator Command Position | Actuator position; the internal loop writes at priority 10 | % | Command | |
| BImin | 1 | Alarm | General alarm | Read | 0=normal, 1=alarm | |
| BI | 2 | Low Face Velocity Alarm Status | Low face velocity alarm (fume hood mode only) | Read | 0=normal, 1=alarm | |
| BI | 3 | Low Volume Alarm Status | Low airflow alarm (fume hood mode only) | Read | 0=normal, 1=alarm | |
| BI | 4 | Sash Position Alarm Status | Sash position alarm (fume hood mode only) | Read | 0=normal, 1=alarm | |
| BI | 5 | Emergency (Purge) Status | Purge active (fume hood mode only) | Read | 0=normal, 1=purge | |
| BVmin | 1 | Remote Purge Request | BMS purge command (fume hood mode only) | Write | 0=normal, 1=purge | |
| BV | 2 | Write to Flash | Write 1 to save the active configuration to flash | Write | ||
| BV | 3 | DI-1 BACnet | Network value for digital input 1 (fume hood mode only) | Write | 0=OPEN, 1=CLOSED | |
| BV | 4 | DI-2 BACnet | Network value for digital input 2 (fume hood mode only) | Write | 0=OPEN, 1=CLOSED | |
| BV | 5 | Enter Hibernate | Put the valve in hibernate (fume hood mode only) | Write | ||
| MI | 1 | DI states 1..4 | Dry contact input state (setpoint select) | Read | 1..4 | |
| MImin | 2 | Mode Selector | Active control mode | Read | 1=AI2, 2=MSI1, 3=AV1, 4=Fume Hood, 5=Hibernate | |
| MI | 3 | Airflow Volume Units | Airflow units for all volume objects | Write | 1=CFM, 2=CMS, 3=CMM, 4=CMH, 5=LPS, 6=LPM | |
| MI | 4 | Face Velocity Units | Velocity units (fume hood mode only) | Write | 1=FPM, 2=MPM, 3=MPS | |
| MI | 5 | AccuNet Status | AccuNet network role and health | Read | 1=Disabled, 2=StandardNode, 3=TotalizerNode Network Healthy, 4=TotalizerNode Network Unhealthy |
No points match these filters.
Object ID lookup: Accutrol AVC6000 point IDs by name
AI1Airflow VolumeAI2Analog Airflow Volume SetpointAI3Valve Position FeedbackAI4Face VelocityAI5Face Velocity Set pointAI6Sash Position % OPENAI7Flash Writes RemainingAI8Airflow Volume Setpoint to Control LoopAI9AccuNet Totalized Airflow VolumeAV1BACnet Airflow Volume SetpointAV2Unsubscribed COV IntervalAV3Airflow Volume Setpoint OffsetAV4Airflow Volume Measurement AdjustAV5Airflow Volume Range Minimum LimitAV6Airflow Volume Range Maximum LimitAO1Valve Actuator Command PositionBI1AlarmBI2Low Face Velocity Alarm StatusBI3Low Volume Alarm StatusBI4Sash Position Alarm StatusBI5Emergency (Purge) StatusBV1Remote Purge RequestBV2Write to FlashBV3DI-1 BACnetBV4DI-2 BACnetBV5Enter HibernateMI1DI states 1..4MI2Mode SelectorMI3Airflow Volume UnitsMI4Face Velocity UnitsMI5AccuNet Status
Integration notes
- The manual prints two tables: Fume Hood Mode (all 31 objects here) and Set Point Mode, which is the same list without AI 4-6, BI 2-5, BV 1, BV 3-5 and MSI 4. They are combined; fume-hood-only objects are marked.
- Object names are not printed; the Description column is used, with the state text moved to states.
- MSI (multistate input) objects are listed as MI. MSI 3 and MSI 4 are writable per the table.
- Units of AI/AV/AO objects follow MSI 3 and MSI 4; values are stored internally in US units.
- AI 2 is invalid in BACnet setpoint mode and fume hood mode; AV 1 is invalid in AI setpoint mode and fume hood mode; AV 3 is invalid in fume hood mode.
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. This list is provided as-is for reference only and may contain mistakes — confirming it before you write, map or commission anything is up to you (terms). Easy BACnet scans a network for BACnet IP devices from an Android phone, reads every object on the AVC6000 AccuValve airflow control valve (fume hood and set point modes) 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 Accutrol AVC6000 AccuValve airflow control valve (fume hood and set point modes)
How many BACnet points does the Accutrol AVC6000 AccuValve airflow control valve (fume hood and set point modes) have?
This list has 31 BACnet objects: 9 analog inputs, 1 analog output, 6 analog values, 5 binary inputs, 5 binary values, 5 multi-state inputs. The exact set on a given unit depends on its firmware, installed options and configuration.
Which Accutrol AVC6000 AccuValve airflow control valve (fume hood and set point modes) BACnet points are writable?
14 of the 31 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 Accutrol AVC6000 AccuValve airflow control valve (fume hood and set point modes) BACnet documentation?
The source is Installation & Operation Manual Model AVC6000, revision Rev M, 2026-10-01, published free by Accutrol at https://accutrolllc.com/wp-content/uploads/2026/10/AVC6000-Manual-RevM.pdf.
What are the minimum BACnet points to integrate the Accutrol AVC6000 AccuValve airflow control valve (fume hood and set point modes)?
Start with AV 1 BACnet Airflow Volume Setpoint (Airflow setpoint when MSI 2 = 3 (BACnet mode)); BV 1 Remote Purge Request (Purge request, fume hood mode); AI 1 Airflow Volume (Measured airflow); AI 8 Airflow Volume Setpoint to Control Loop (Active airflow setpoint); AI 3 Valve Position Feedback (Valve position, %); AI 4 Face Velocity (Face velocity, fume hood mode); AI 6 Sash Position % OPEN (Sash opening, %, fume hood mode); MI 2 Mode Selector (Control mode; 3 = BACnet setpoint, 4 = fume hood); BI 1 Alarm (General alarm).
How do I enable BMS control of the Accutrol AVC6000 AccuValve airflow control valve (fume hood and set point modes)?
The setpoint source is the controller's mode (MSI 2, read-only over BACnet); AV 1 only controls airflow in BACnet setpoint mode (MSI 2 = 3). The mode is configured with the Insight tool.
How do I check these points on the real AVC6000 AccuValve airflow control valve (fume hood and set point modes)?
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 Accutrol BACnet points lists
Source: Installation & Operation Manual Model AVC6000 · rev. Rev M, 2026-10-01. Object names, instances and units are reproduced as published; descriptions are our own.