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EC motor with integrated variable frequency drive (fans) · BACnet points list
Greenheck Vari-Green Motor (EC Titanium) BACnet MS/TP BACnet points list
Updated 6 November 2026
The Vari-Green (EC Titanium) motor has an integrated drive with an RS-485 port that speaks Modbus RTU or BACnet MS/TP (not both at once). BACnet is enabled with parameter 1103 = 9. The object list is short: run, direction and fault-reset commands, a speed setpoint in % of maximum speed, ramp and speed-limit settings, and readings for speed, frequency, current, power, temperature, energy, run hours, faults and I/O states.
This page lists 45 BACnet objects for the Greenheck Vari-Green Motor (EC Titanium) BACnet MS/TP — 10 of them writable — with each object’s type, instance number, name, engineering units and access. It is re-typed from Greenheck’s own free documentation, linked below.
- Manufacturer
- Greenheck
- Model
- Vari-Green Motor (EC Titanium) BACnet MS/TP
- Equipment
- EC motor with integrated variable frequency drive (fans)
- Equipment type
- VFDs & pumps
- BACnet objects
- 45 (10 writable)
- Transport
- BACnet MS/TP
- Firmware
- Not stated
- Also known as
- Vari-Green, Vari-Green Motor, EC Titanium, MN448, Greenheck Vari-Green, Baldor EC Titanium
Reference only, provided as-is: verify against Greenheck’s current documentation and the live device before use. Not official Greenheck information. Terms of use.
BMS integration notes: Greenheck Vari-Green Motor (EC Titanium) BACnet MS/TP
Set 1103 Primary Command Source Mode = 9 for BACnet MS/TP, set the address, baud rate and watchdog in 5302 and the device instance in 5840/5899. Command BV 10 run/stop and write the speed setpoint to AV 14 (% of maximum speed); reset faults with BV 14. Read BV 0, AV 1, AV 4, BV 2 and AV 16.
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 10 | RUN-STOP-Command | Run/stop command (1 = run) | Command |
| AV 14 | Input-Reference-1 | Speed setpoint, % of maximum speed | Command |
| BV 14 | Fault-Reset-Command | Fault reset (1 = reset) | Write |
| BV 0 | Run / Stop-Monitor | Running status | Read |
| AV 1 | Output-Freq | Output frequency in Hz | Read |
| AV 4 | Output-Current | Motor amps | Read |
| BV 2 | OK-Fault-Monitor | Drive fault status | Read |
| AV 16 | Active-Fault | Active fault code | Read |
Enable & remote start
Set 1103 PRIMARY COMMAND SOURCE MODE = 9 (BACnet MS/TP; ramps from 2202/2203). Parameter 9902 then decides whether the speed reference and start/stop come from the network or the terminal strip. BV 4 shows Auto when the drive is under terminal or BACnet control.
Heartbeat & communication loss
Parameter 5302 includes a watchdog timeout of 0 (disabled), 30, 100, 1000 or 3000 ms. A 't' suffix trips the drive on loss of communication (fault F0010); an 'r' suffix coasts the motor to a stop without a trip.
Network setup
- 5302 serial settings: drive address 0-63 (default 1), baud 9.6-115.2 kbps (default 38.4 kbps), watchdog timeout.
- BACnet MS/TP format is 8N1; Modbus RTU and BACnet MS/TP cannot run at the same time.
- Device instance is set with 5840 (Device Object ID Low) and 5899 (Device Object ID High); the manual's formula reads 5840 x 65536 + 5899.
- 5841 BACnet maximum masters 0-127; takes effect after a reboot.
- Connect RS-485 on the RJ45 port (pins 7 -, 8 +) or terminals T10 (+) / T11 (-); a third 0 V wire to T9 is recommended.
Watch out for
- AV 14 is a percentage of maximum speed, not Hz or rpm.
- Min/max speed, ramps and max current (AV 23-33) change motor settings; don't write them cyclically.
- BV names are shifted against their descriptions in the manual; check BV 4-8 on a live unit.
- The RJ45 port is RS-485, not Ethernet.
Greenheck Vari-Green Motor (EC Titanium) BACnet MS/TP 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 | R01 – Monitor | Status of relay output 1 | Read | 0=Off, 1=On | |
| BI | 5 | D01 – Monitor | Status of digital output 1 (valid when 1501 = 0-7) | Read | 0=Off, 1=On | |
| BI | 6 | DI1 – Monitor | Status of digital input 1 | Read | 0=Off, 1=On | |
| BI | 7 | DI2 – Monitor | Status of digital input 2 | Read | 0=Off, 1=On | |
| BI | 8 | DI3 – Monitor | Status of digital input 3 | Read | 0=Off, 1=On | |
| BO | 0 | R01 – Command | Output state of relay 1 | Read | 0=Off, 1=On | |
| BO | 5 | DO1 – Command | Output state of digital output 1 | Read | 0=Off, 1=On | |
| BVmin | 0 | Run / Stop-Monitor | Drive's run status | Read | 0=Stop, 1=Run | |
| BV | 1 | Direction-Monitor | Rotational direction of the motor | Read | 0=Forward, 1=Reverse | |
| BVmin | 2 | OK-Fault-Monitor | Actual fault status of the drive | Read | 0=OK, 1=Fault | |
| BV | 4 | Warning-Monitor | Operator mode: Hand = keypad, Auto = terminal or BACnet | Read | 0=Auto, 1=Hand | |
| BV | 5 | Ready-Monitor | Overload warning (output current above motor rated current) | Read | 0=OK, 1=Warning | |
| BV | 7 | At-Setpoint-Monitor | Actual ready status | Read | 0=Not-Ready, 1=Ready | |
| BV | 8 | At-Setpoint-Monitor | Actual at-setpoint status | Read | 0=No, 1=Yes | |
| BVmin | 10 | RUN-STOP-Command | Command to start drive | Command | 0=Stop, 1=Run | |
| BV | 11 | Direction-Command | Rotational direction command | Command | 0=Forward, 1=Reverse | |
| BVmin | 14 | Fault-Reset-Command | Fault reset command | Write | 0=No, 1=Reset | |
| BV | 17 | Lock-Parameters | Actual status of parameter lock | Read | 0=Unlock, 1=Lock | |
| BV | 41 | Fire Mode | Drive is in fire mode | Read | 0=Off, 1=On | |
| AI | 0 | AI1 – Monitor | Input level of analog input 1 (0-100 %) | % | Read | |
| AI | 1 | AI2 - Monitor | Input level of analog input 2 (0-100 %) | % | Read | |
| AV | 0 | *Output-RPM | Motor speed (needs rated speed in 9908) | rpm | Read | |
| AVmin | 1 | Output-Freq | Output frequency | Hz | Read | |
| AV | 2 | DC-Voltage | DC bus voltage | V | Read | |
| AV | 3 | Output-Voltage | AC output voltage | V | Read | |
| AVmin | 4 | Output-Current | Output current of drive | A | Read | |
| AV | 5 | Output-Torque | Output torque, % of nominal torque | % | Read | |
| AV | 6 | Output-Power | Output power | kW | Read | |
| AV | 7 | Operating-Temp-Range | Heatsink temperature | °C | Command | |
| AV | 8 | Kilowatt-Hour-Meter-NR | Cumulative energy usage (not resettable) | kWh | Read | |
| AV | 9 | Running-Hours | Resettable run time | h | Read | |
| AVmin | 14 | Input-Reference-1 | Speed setpoint 1, % of maximum speed | % | Command | |
| AVmin | 16 | Active-Fault | Most recent fault currently active | Read | ||
| AV | 18 | Previous-Fault-1 | Most recent stored (non-active) fault | Read | ||
| AV | 20 | Previous-Fault-2 | Second most recent stored fault | Read | ||
| AV | 21 | AO1-Monitor | Output level of analog output 1 | % | Read | |
| AV | 23 | Accel-1-Seconds | Ramp 1 acceleration time | s | Write | |
| AV | 24 | Decel-1-Seconds | Ramp 1 deceleration time | s | Write | |
| AV | 29 | Min-Speed | Minimum allowed output frequency | Hz | Write | |
| AV | 30 | Max-Speed | Maximum allowed output frequency | Hz | Write | |
| AV | 31 | Output-Speed | Motor speed, % of rated frequency (9907) | % | Read | |
| AV | 32 | Output-Current-Range | Motor current, % of rated current (9906) | % | Read | |
| AV | 33 | Max-Current | Max motor current (rated current in 9906) | A | Write | |
| AV | 40 | PID Feedback | PID controller feedback value | % | Read | |
| AV | 41 | PID reference | PID controller reference value | % | Read |
No points match these filters.
Object ID lookup: Greenheck Vari-Green Motor BACnet MS/TP point IDs by name
BI0R01 – MonitorBI5D01 – MonitorBI6DI1 – MonitorBI7DI2 – MonitorBI8DI3 – MonitorBO0R01 – CommandBO5DO1 – CommandBV0Run / Stop-MonitorBV1Direction-MonitorBV2OK-Fault-MonitorBV4Warning-MonitorBV5Ready-MonitorBV7At-Setpoint-MonitorBV8At-Setpoint-MonitorBV10RUN-STOP-CommandBV11Direction-CommandBV14Fault-Reset-CommandBV17Lock-ParametersBV41Fire ModeAI0AI1 – MonitorAI1AI2 - MonitorAV0*Output-RPMAV1Output-FreqAV2DC-VoltageAV3Output-VoltageAV4Output-CurrentAV5Output-TorqueAV6Output-PowerAV7Operating-Temp-RangeAV8Kilowatt-Hour-Meter-NRAV9Running-HoursAV14Input-Reference-1AV16Active-FaultAV18Previous-Fault-1AV20Previous-Fault-2AV21AO1-MonitorAV23Accel-1-SecondsAV24Decel-1-SecondsAV29Min-SpeedAV30Max-SpeedAV31Output-SpeedAV32Output-Current-RangeAV33Max-CurrentAV40PID FeedbackAV41PID reference
Integration notes
- Object dictionary from appendix B.6 of the manual (pages 103-104).
- The manual prints BI 8 twice: DI3 - Monitor and DI4 - Monitor (status of digital input 4). Only the DI3 row is listed to avoid a duplicate object ID; check where DI4 sits on a live unit.
- Several BV names don't match their descriptions: BV 4 'Warning-Monitor' is described as Hand/Auto mode, BV 5 'Ready-Monitor' as the overload warning, and BV 7 and BV 8 are both named 'At-Setpoint-Monitor' (ready status and at-setpoint status). Names, descriptions and state texts are listed as printed.
- BO 0 and BO 5 are marked read-only in the table.
- AV 0 Output-RPM reads 0 unless the motor rated speed is entered in parameter 9908. AV 8 is printed with unit 'kW/h' and listed here as kWh.
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 Vari-Green Motor (EC Titanium) BACnet MS/TP 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 Greenheck Vari-Green Motor (EC Titanium) BACnet MS/TP
How many BACnet points does the Greenheck Vari-Green Motor (EC Titanium) BACnet MS/TP have?
This list has 45 BACnet objects: 2 analog inputs, 24 analog values, 5 binary inputs, 2 binary outputs, 12 binary values. The exact set on a given unit depends on its firmware, installed options and configuration.
Which Greenheck Vari-Green Motor (EC Titanium) BACnet MS/TP BACnet points are writable?
10 of the 45 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 Greenheck Vari-Green Motor (EC Titanium) BACnet MS/TP BACnet documentation?
The source is Vari-Green Motor (EC Titanium) single/three-phase User Manual (MN448), revision 01/2022, published free by Greenheck at https://webcontent.greenheck.com/atg-cms-v2-prod/docs/default-source/resource-library/installation-manuals/fans/single_threephase_varigreenmotor_usermanual_jan2022.pdf.
What are the minimum BACnet points to integrate the Greenheck Vari-Green Motor (EC Titanium) BACnet MS/TP?
Start with BV 10 RUN-STOP-Command (Run/stop command (1 = run)); AV 14 Input-Reference-1 (Speed setpoint, % of maximum speed); BV 14 Fault-Reset-Command (Fault reset (1 = reset)); BV 0 Run / Stop-Monitor (Running status); AV 1 Output-Freq (Output frequency in Hz); AV 4 Output-Current (Motor amps); BV 2 OK-Fault-Monitor (Drive fault status); AV 16 Active-Fault (Active fault code).
How do I enable BMS control of the Greenheck Vari-Green Motor (EC Titanium) BACnet MS/TP?
Set 1103 PRIMARY COMMAND SOURCE MODE = 9 (BACnet MS/TP; ramps from 2202/2203). Parameter 9902 then decides whether the speed reference and start/stop come from the network or the terminal strip. BV 4 shows Auto when the drive is under terminal or BACnet control.
Does the Greenheck Vari-Green Motor (EC Titanium) BACnet MS/TP need a BACnet heartbeat or have a communication timeout?
Parameter 5302 includes a watchdog timeout of 0 (disabled), 30, 100, 1000 or 3000 ms. A 't' suffix trips the drive on loss of communication (fault F0010); an 'r' suffix coasts the motor to a stop without a trip.
How do I check these points on the real Vari-Green Motor (EC Titanium) BACnet MS/TP?
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 Greenheck BACnet points lists
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Greenheck DOAS Microprocessor Controller v6.2 (legacy points list)
Greenheck dedicated outdoor air units running the older DOAS v6.2 controller program (July 2021 guide).
Also known as: 485175, Document 485175, DOAS v6.2, Greenheck DOAS controller, c.pCO - Kitchen hood exhaust and supply fan controls
Greenheck Kitchen Controls (GKC) main board
Greenheck Kitchen Controls panels (standard and advanced) for kitchen hoods: up to 8 exhaust fans, 4 supply fans, 8 zones and 16 hood control boards.
Also known as: GKC, Greenheck Kitchen Controls, 484600, GKC-CV, GKC-DCV, Kitchen hood controls - Energy recovery ventilator
Greenheck IVE Indoor Energy Recovery Ventilator (BACnet)
Greenheck IVE indoor energy recovery ventilators with the factory c.pCO Mini controller.
Also known as: IVE, Greenheck IVE, IVE_01.002, 487690, c.pCO Mini - Make-up air unit controller
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Greenheck make-up air units with the factory microprocessor controller, MUA program v4.1.
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Greenheck (and Valent) packaged rooftop units with the factory microprocessor controller, RTU program v1.4.
Also known as: 487424, Document 487424, 487426, Valent RTU controller, RTU v1.4, Greenheck rooftop unit controller, c.pCO - Fan variable frequency drive (VFD)
Greenheck Vari-Green Drive VGD-100+
Greenheck Vari-Green Drive (VGD-100+) motor drives used on Greenheck fans.
Also known as: VGD, VGD-100, VGD-100+, Vari-Green Drive, 481200
Source: Vari-Green Motor (EC Titanium) single/three-phase User Manual · MN448 · rev. 01/2022. Object names, instances and units are reproduced as published; descriptions are our own.