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Underfloor plenum pressure (VAV) controller · BACnet points list
Price Industries PCU constant pressure controller (PCM plenum pressurization) BACnet points list
Updated 6 November 2026
The PCU in its constant pressure sequence modulates a damper to hold underfloor plenum pressure. The points list has 27 objects: pressure sensors and target, occupied/unoccupied pressure setpoints, damper position and override, room temperature/CO2/humidity from the thermostat, and BMS override values for setpoint, room temperature, occupancy and lights.
This page lists 27 BACnet objects for the Price Industries PCU constant pressure controller (PCM plenum pressurization) — 9 of them writable — with each object’s type, instance number, name, engineering units and access. It is re-typed from Price Industries’s own free documentation, linked below.
- Manufacturer
- Price Industries
- Model
- PCU constant pressure controller (PCM plenum pressurization)
- Equipment
- Underfloor plenum pressure (VAV) controller
- Equipment type
- VAV boxes & fan coils
- BACnet objects
- 27 (9 writable)
- Transport
- BACnet MS/TP
- Firmware
- v1.04
- Also known as
- PCU, PCU-PP1, PCM, Price PCU constant pressure
Reference only, provided as-is: verify against Price Industries’s current documentation and the live device before use. Not official Price Industries information. Terms of use.
BMS integration notes: Price Industries PCU constant pressure controller (PCM plenum pressurization)
Write AV 19 Pressure Setpoint and AV 30 Net Occupancy; read AI 2 Current Pressure, AV 1 Pressure Target and AV 18 damper position.
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 30 | Net Occupancy | BMS occupancy: 0 normal, 1 occupied, 2 unoccupied | Write |
| AV 19 | Pressure Setpoint | Plenum pressure setpoint, inH2O | Write |
| AV 2 | Occupancy | Current occupancy: 0 unocc, 1 occ | Read |
| AI 2 | Current Pressure | Measured plenum pressure, inH2O | Read |
| AV 1 | Pressure Target | Pressure target being controlled to | Read |
| AV 18 | Current Damper Position | Damper position, % (999 = calibrating) | Read |
Enable & remote start
AV 30 Net Occupancy: 0 = normal operation, 1 = force occupied, 2 = force unoccupied. AV 25 Remote Mode Flag can override the damper (0 = automatic).
Network setup
- BACnet MS/TP; Price default baud rate is 76800.
Price Industries PCU constant pressure controller (PCM plenum pressurization) 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 | |||||
|---|---|---|---|---|---|---|
| AI | 1 | Room Temperature | Current Room Temperature | °F/°C | Read | |
| AImin | 2 | Current Pressure | Current final pressure reading | inH2O | Read | |
| AI | 3 | T1 Temperature Sensor | Current temperature reading from T1 Sensor | °F/°C | Read | |
| AI | 4 | Pressure Sensor 1 | Current pressure reading on AI4 | inH2O | Read | |
| AI | 5 | Pressure Sensor 2 | Current pressure reading on AI5 | inH2O | Read | |
| AI | 6 | Pressure Sensor 3 | Current pressure reading on AI6 | inH2O | Read | |
| AI | 7 | 0-5VDC Sensor Signal Input | Voltage from sensor input | V | Read | |
| AI | 8 | T2 Temperature Snsor | Current temperature reading from T2 Sensor | °F/°C | Read | |
| AI | 9 | Humidity Reading | Current Relitive Humidity at the T-Stat | %RH | Read | |
| AI | 10 | CO2 Reading | Current CO2 Reading from T-Stat | ppm | Read | |
| AVmin | 1 | Pressure Target | Current pressure target | inH2O | Read | |
| AVmin | 2 | Occupancy | Read | 0=Unoccupied, 1=Occupied | ||
| AV | 3 | Occupancy Source | Read | 0=Occupied from VVT (Default Mode), 2=Occupied from Contact Closure, 3=Occupied from T-Stat Button, 4=Occupied from Motion Sensor, 5=Occupied from Network Override, 12=Unoccupied from Contact Closure, 14=Unoccupied from Motion Sensor, 15=Unoccupied from Network Override | ||
| AV | 9 | Analog Heat Output Voltage | Current voltage on the Analog Heat output (AO2) | V | Read | |
| AV | 10 | Analog Cool Output Voltage | Current voltage on the Analog Cool output (AO3) | V | Read | |
| AV | 11 | AO4 Output Voltage | Current voltage on AO4 output | V | Read | |
| AV | 12 | Unoccupied Pressure Setpoint | Pressure held during unoccupied periods | inH2O | Write | |
| AV | 13 | PING | Number of times the LCD T-Stat will beep | Write | ||
| AV | 17 | Binary Output Status Code | Binary outputs as a bit field: bit 0 = BO1 ... bit 4 = BO5 | Read | ||
| AVmin | 18 | Current Damper Position | Current damper position in percent, 999% indicates the damper is recalibrating itself | % | Read | |
| AVmin | 19 | Pressure Setpoint | Current pressure setpoint | inH2O | Write | |
| AV | 25 | Remote Mode Flag | Remote Mode - Damper Override | Write | 0=Automatic control (normal run mode), 1=Target Cool Min, 2=Target Cool Max, 3=Target Heat Min, 4=Target Heat Max, 5=Target Neutral Damper Position, 6=Open Damper 100%, 7=Close Damper (0%) | |
| AV | 27 | Reheat Type | Not Supported | Write | ||
| AV | 28 | Net Setpoint | Setpoint override from the network (0 = normal operation) | °F/°C | Write | |
| AV | 29 | Net Room Temp | Room temperature override from the network (0 = normal operation) | °F/°C | Write | |
| AVmin | 30 | Net Occupancy | Occupancy override from BACnet network | Write | 0=Normal Operation, 1=Force Occupied, 2=Force Unoccupied | |
| AV | 31 | Net Lights | Room Lights override from BACnet network | Write | 0=Normal Operation, 1=Force Lights On, 2=Force Lights Off |
No points match these filters.
Object ID lookup: Price Industries PCU constant pressure controller point IDs by name
AI1Room TemperatureAI2Current PressureAI3T1 Temperature SensorAI4Pressure Sensor 1AI5Pressure Sensor 2AI6Pressure Sensor 3AI70-5VDC Sensor Signal InputAI8T2 Temperature SnsorAI9Humidity ReadingAI10CO2 ReadingAV1Pressure TargetAV2OccupancyAV3Occupancy SourceAV9Analog Heat Output VoltageAV10Analog Cool Output VoltageAV11AO4 Output VoltageAV12Unoccupied Pressure SetpointAV13PINGAV17Binary Output Status CodeAV18Current Damper PositionAV19Pressure SetpointAV25Remote Mode FlagAV27Reheat TypeAV28Net SetpointAV29Net Room TempAV30Net OccupancyAV31Net Lights
Integration notes
- Instances named N/A in the list (unused: AV 4, AV 5, AV 6, AV 7, AV 8, AV 14, AV 15, AV 16, AV 20, AV 21, AV 22, AV 23, AV 24, AV 26) are left out.
- Several AV objects carry coded values; the codes are listed in the states field.
- The list also marks which values are retained after a power failure.
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 PCU constant pressure controller (PCM plenum pressurization) 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 Price Industries PCU constant pressure controller (PCM plenum pressurization)
How many BACnet points does the Price Industries PCU constant pressure controller (PCM plenum pressurization) have?
This list has 27 BACnet objects: 10 analog inputs, 17 analog values. The exact set on a given unit depends on its firmware, installed options and configuration.
Which Price Industries PCU constant pressure controller (PCM plenum pressurization) BACnet points are writable?
9 of the 27 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 Price Industries PCU constant pressure controller (PCM plenum pressurization) BACnet documentation?
The source is BACnet points list for PCU firmware v1.04 Constant Pressure, revision Rev 0, published free by Price Industries at https://priceindustries.com/wp-content/uploads/BACnet-points-list-v1.04-PCU-Constant-Pressure-Rev-0-1.pdf.
What are the minimum BACnet points to integrate the Price Industries PCU constant pressure controller (PCM plenum pressurization)?
Start with AV 30 Net Occupancy (BMS occupancy: 0 normal, 1 occupied, 2 unoccupied); AV 19 Pressure Setpoint (Plenum pressure setpoint, inH2O); AV 2 Occupancy (Current occupancy: 0 unocc, 1 occ); AI 2 Current Pressure (Measured plenum pressure, inH2O); AV 1 Pressure Target (Pressure target being controlled to); AV 18 Current Damper Position (Damper position, % (999 = calibrating)).
How do I enable BMS control of the Price Industries PCU constant pressure controller (PCM plenum pressurization)?
AV 30 Net Occupancy: 0 = normal operation, 1 = force occupied, 2 = force unoccupied. AV 25 Remote Mode Flag can override the damper (0 = automatic).
How do I check these points on the real PCU constant pressure controller (PCM plenum pressurization)?
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 Price Industries BACnet points lists
- Fan filter unit (FFU) controller
Price Industries BFC BACnet flow controller for fan filter units
Price fan filter units (FFU / UFFU) with the BFC BACnet Flow Controller, firmware v3.2.0.
Also known as: BFC, BACnet Flow Controller, Price BFC, FFU controller, UFFU - Room thermostat (Disio display sequence)
Price Industries Disio Display DX-100 sequence
Price Disio Display room controllers running sequence DX-100 or DX-101.
Also known as: Disio DX-100, DX-100, Disio Display, Price Disio, Disio DX-101 - Room thermostat (Disio display sequence)
Price Industries Disio Display DX-150 sequence
Price Disio Display room controllers running sequence DX-150.
Also known as: Disio DX-150, DX-150, Disio Display, Price Disio - Room thermostat (Disio display sequence)
Price Industries Disio Display DX-200 sequence
Price Disio Display room controllers running sequence DX-200 or DX-201.
Also known as: Disio DX-200, DX-200, Disio Display, Price Disio, Disio DX-201 - Room thermostat (Disio display sequence)
Price Industries Disio Display DX-300 sequence
Price Disio Display room controllers running sequence DX-300.
Also known as: Disio DX-300, DX-300, Disio Display, Price Disio - Room thermostat (Disio display sequence)
Price Industries Disio Display DX-301 sequence
Price Disio Display room controllers running sequence DX-301.
Also known as: Disio DX-301, DX-301, Disio Display, Price Disio - Room thermostat (Disio display sequence)
Price Industries Disio Display DX-302 sequence
Price Disio Display room controllers running sequence DX-302.
Also known as: Disio DX-302, DX-302, Disio Display, Price Disio - Room thermostat (Disio display sequence)
Price Industries Disio Display DX-303 sequence
Price Disio Display room controllers running sequence DX-303.
Also known as: Disio DX-303, DX-303, Disio Display, Price Disio - Room thermostat (Disio display sequence)
Price Industries Disio Display DX-304 sequence
Price Disio Display room controllers running sequence DX-304.
Also known as: Disio DX-304, DX-304, Disio Display, Price Disio - Room thermostat (Disio display sequence)
Price Industries Disio Display DX-305 sequence
Price Disio Display room controllers running sequence DX-305.
Also known as: Disio DX-305, DX-305, Disio Display, Price Disio - Room thermostat (Disio display sequence)
Price Industries Disio Display DX-50 sequence
Price Disio Display room controllers running sequence DX-50.
Also known as: Disio DX-50, DX-50, Disio Display, Price Disio - Room thermostat (Disio display sequence)
Price Industries Disio Display DX-600 sequence
Price Disio Display room controllers running sequence DX-600.
Also known as: Disio DX-600, DX-600, Disio Display, Price Disio - VAV / fan-powered terminal controller
Price Industries PIC Price Intelligent Controller
Price PIC DDC controllers on single-duct, fan-powered, dual-duct and exhaust terminals and on fan coils.
Also known as: PIC, Price Intelligent Controller, PIC-BAC, PIC-VAV - Single-duct VAV terminal controller
Price Industries PIC-SD Price Intelligent Controller - SD
Price PIC-SD controllers on single-duct VAV terminals.
Also known as: PIC-SD, PIC SD, Price Intelligent Controller SD - Rooftop unit controller (zoning / voting)
Price Industries PRTU Price Rooftop Unit Controller
Packaged single- and multi-stage rooftop units (about 2-30 tons) run by a Price PRTU, alone or polling Price zone controllers.
Also known as: PRTU, Price Rooftop Unit Controller, PRTU-STAT - Underfloor air terminal (VAV) controller
Price Industries UMC3 underfloor controller
Price UMC3 controllers for underfloor air distribution terminals.
Also known as: UMC3, Price UMC3 - Underfloor air terminal (VAV) controller
Price Industries UMCB underfloor modulating controller
Price UMCB controllers for underfloor air distribution terminals.
Also known as: UMCB, Price UMCB
Source: BACnet points list for PCU firmware v1.04 Constant Pressure · rev. Rev 0. Object names, instances and units are reproduced as published; descriptions are our own.