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EC motor with integrated variable frequency drive · BACnet points list
Infinitum Aircore EC+ BACnet MS/TP module BACnet points list
Updated 6 November 2026
Aircore EC+ motors get BACnet MS/TP from a BTL-certified plug-in module on the motor's CIM (communication interface module) board. Each Modbus-style register is mirrored as one BACnet object: binary and analog outputs for run/stop, direction, speed command, operating limits, control-source and terminal settings, and analog and binary inputs for bus voltage and current, temperatures, actual speed and run state, I/O states, fault and warning words, motor identity, firmware and run-time counters.
This page lists 125 BACnet objects for the Infinitum Aircore EC+ BACnet MS/TP module — 52 of them writable — with each object’s type, instance number, name, engineering units and access. It is re-typed from Infinitum’s own free documentation, linked below.
- Manufacturer
- Infinitum
- Model
- Aircore EC+ BACnet MS/TP module
- Equipment
- EC motor with integrated variable frequency drive
- Equipment type
- VFDs & pumps
- BACnet objects
- 125 (52 writable)
- Transport
- BACnet MS/TP
- Firmware
- Not stated
- Also known as
- Aircore EC+, Aircore EC Plus, Infinitum Aircore, Infinitum BACnet module, AE catalog option B
Reference only, provided as-is: verify against Infinitum’s current documentation and the live device before use. Not official Infinitum information. Terms of use.
BMS integration notes: Infinitum Aircore EC+ BACnet MS/TP module
Set each motor's device instance and baud rate with Infinitum's NPU tool over the CIM board's micro-USB port, terminate the bus ends with the on-board DIP switch, then command BO 1 run/stop and AO 3 speed command. Read BI 74, AI 76, AI 63 and BI 86/AI 90, and clear faults with BO 88.
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 |
|---|---|---|---|
| BO 1 | Run/Stop Cmd | Run/stop command | Command |
| AO 3 | Speed Command | Speed command from the BMS | Command |
| BO 88 | Clear Faults | Clears active faults | Command |
| BI 74 | Run/Stop Actual | Actual run state | Read |
| AI 76 | Speed Actual | Actual motor speed | Read |
| AI 63 | Avg Current | Average motor current | Read |
| BI 86 | Active Faults | Any active fault | Read |
| AI 90 | Fault Word | Bit-coded fault word | Read |
Enable & remote start
The list includes source selectors for speed (AO 21 Speed Source), run/stop (AO 22 Run/Stop Source), direction (AO 23) and fault clearing (AO 24); this manual doesn't give their values, so set them per the Aircore EC+ IOM manual before commanding over BACnet MS/TP.
Network setup
- Device instance and baud rate are set with the Infinitum NPU tool (NPU.exe) over a USB to micro-USB cable to the CIM board; don't change the MAC address.
- Baud rates 9600 to 115200 bit/s; up to 32 devices per segment, 1000 m maximum cable.
- A DIP switch on the CIM board connects a 120 ohm terminating resistor; use it at each end of the bus.
- RS-485 is on the CIM terminal strip, shared with Modbus RTU.
- BACnet is a factory option (catalog VFD/I-O code B); Infinitum service can add the module in the field.
Watch out for
- Operating limits, sources and terminal settings (AO 4-59) are configuration; write them only when needed, not cyclically.
- AO 125 Parameter Save stores parameters; use it only after deliberate changes.
- The manual gives no units; check speed and current scaling on a live motor.
- The BACnet module can be damaged if fitted the wrong way round on the CIM board.
Infinitum Aircore EC+ BACnet MS/TP module 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.
Note: the source document has no read/write column, so access here is inferred from the object type (inputs read-only, values writable). Confirm on the live controller before writing.
| Description | States | |||||
|---|---|---|---|---|---|---|
| AI | 15 | Max Accel Allow | Max Acceleration (register 1112) | Read | ||
| AI | 16 | Max Decel Allow | Max Deceleration (register 1113) | Read | ||
| AI | 25 | dummy1 | Start Function (register 1206) | Read | ||
| AI | 26 | dummy2 | Stop Function (register 1207) | Read | ||
| AI | 35 | dummy3 | AI1 Filter (register 2004) | Read | ||
| AI | 36 | dummy4 | AI1 Fault Action (register 2005) | Read | ||
| AI | 44 | DI1 Function | DI1 Function (register 2101) | Read | ||
| AI | 45 | DI2 Function | DI2 Function (register 2102) | Read | ||
| AI | 46 | DI3 Function | DI3 Function (register 2103) | Read | ||
| AI | 47 | DI4 Function | DI4 Function (register 2104) | Read | ||
| AI | 60 | DC Bus Voltage | DC Bus Voltage (register 3001) | Read | ||
| AI | 61 | DC Bus Current | DC Bus Current (register 3002) | Read | ||
| AI | 62 | DC Bus Power | DC Bus Power (register 3003) | Read | ||
| AImin | 63 | Avg Current | Average Current (register 3004) | Read | ||
| AI | 64 | Inp RMS Current | Input RMS current (register 3005) | Read | ||
| AI | 65 | Inp RMS Voltage | Input RMS voltage (register 3006) | Read | ||
| AI | 66 | Temp RTD | Stator (RTD) (register 3101) | Read | ||
| AI | 67 | Temp Average | Stator Average (register 3102) | Read | ||
| AI | 68 | Temp Heatsink | T3 HeatSink (register 3103) | Read | ||
| AI | 69 | Temp NTC1 | T2 Stator NTC1 (register 3104) | Read | ||
| AI | 70 | Temp INV Board | INV Board Temp (register 3105) | Read | ||
| AI | 71 | Spare1 | T1 INV J7 (spare) (register 3106) | Read | ||
| AI | 72 | Temp NTC2 | T4 Stator NTC2 (register 3107) | Read | ||
| AI | 73 | Temp CIM | T14 CIM Board temp (register 3114) | Read | ||
| AImin | 76 | Speed Actual | Speed_krpm (register 3303) | Read | ||
| AI | 77 | AI1 Value | AIN1 (register 3501) | Read | ||
| AI | 78 | AI1 Raw | AIN1 Raw (register 3502) | Read | ||
| AI | 79 | AO1 Value | AOUT1 (register 3601) | Read | ||
| AImin | 90 | Fault Word | Fault Word (register 4011) | Read | ||
| AI | 91 | Warning Word | Warning Word (register 4021) | Read | ||
| AI | 92 | Parameter Table | Parameter Table Version (register 7001) | Read | ||
| AI | 93 | Motor Max Amps | max current (register 7002) | Read | ||
| AI | 94 | Motor Voltage | Motor Voltage (register 7003) | Read | ||
| AI | 95 | Motor SN 1 | New SN1 (register 7004) | Read | ||
| AI | 96 | Motor SN 2 | New SN2 (register 7005) | Read | ||
| AI | 97 | Motor SN 3 | New SN3 (register 7006) | Read | ||
| AI | 98 | Motor SN 4 | New SN4 (register 7007) | Read | ||
| AI | 99 | Motor SN 5 | New SN5 (register 7008) | Read | ||
| AI | 100 | Motor SN 6 | New SN6 (register 7009) | Read | ||
| AI | 101 | Motor SN 7 | New SN7 (register 7010) | Read | ||
| AI | 102 | Motor SN 8 | Old SN1 (register 7011) | Read | ||
| AI | 103 | Motor SN 9 | Old SN2 (register 7012) | Read | ||
| AI | 104 | Motor SN 10 | Old SN3 (register 7013) | Read | ||
| AI | 105 | Motor SN 11 | Old SN4 (register 7014) | Read | ||
| AI | 106 | Motor Model | Model (register 7021) | Read | ||
| AI | 107 | Motor rated RPM | Motor rated speed (register 7022) | Read | ||
| AI | 108 | INV FW Major | INV FW Major (register 7031) | Read | ||
| AI | 109 | INV FW Minor | INV FW Minor (register 7032) | Read | ||
| AI | 110 | CIM FW Major | CIM FW Major (register 7033) | Read | ||
| AI | 111 | CIM FW Minor | CIM FW Minor (register 7034) | Read | ||
| AI | 112 | Motor Type | Motor Type (register 7035) | Read | ||
| AI | 113 | Hardware ID | Hardware ID (register 7036) | Read | ||
| AI | 114 | INV FW Patch | INV FW Patch (register 7037) | Read | ||
| AI | 115 | CIM FW Patch | CIM FW Patch (register 7038) | Read | ||
| AI | 116 | Hardware ID INV | Hardware ID INV (register 7039) | Read | ||
| AI | 117 | Hardware ID VFD | Hardware ID VFD (register 7040) | Read | ||
| AI | 118 | Hardware ID CIM | Hardware ID CIM (register 7041) | Read | ||
| AI | 119 | Horsepower | Horsepower (register 7042) | Read | ||
| AI | 120 | Frame Size | Frame Size (register 7043) | Read | ||
| AI | 121 | Stator Type | Stator type (register 7044) | Read | ||
| AI | 122 | Drive Runtime | Drive Runtime hours (register 7101) | Read | ||
| AI | 123 | Motor Runtime | Motor Runtime hours (register 7102) | Read | ||
| AI | 124 | Motor MWh | Motor Energy megawatt-hours (register 7103) | Read | ||
| AOmin | 3 | Speed Command | SW Speed (register 1003) | Command | ||
| AO | 4 | Speed User Min | Speed User Minimum (register 1101) | Command | ||
| AO | 5 | Speed User Max | Speed User Maximum (register 1102) | Command | ||
| AO | 6 | Speed Abs Min | Speed Absolute Minimum (register 1103) | Command | ||
| AO | 7 | Speed Abs Max | Speed Absolute Maximum (register 1104) | Command | ||
| AO | 8 | Accel Ramp Time | Acceleration Ramp Duration (register 1105) | Command | ||
| AO | 9 | Decel Ramp Time | Deceleration Ramp Duration (register 1106) | Command | ||
| AO | 10 | Skip Speed 1 | Skip Speed 1 Min (register 1107) | Command | ||
| AO | 11 | Skip Speed 2 | Skip Speed 1 Max (register 1108) | Command | ||
| AO | 12 | Skip Speed 3 | Skip Speed 2 Min (register 1109) | Command | ||
| AO | 13 | Skip Speed BW | Skip Speed 2 Max (register 1110) | Command | ||
| AO | 14 | Dir Allowed | Direction Allowed (register 1111) | Command | ||
| AO | 17 | Speed Model Min | Speed Model Minimum (register 1114) | Command | ||
| AO | 18 | Speed Model Max | Speed Model Maximum (register 1115) | Command | ||
| AO | 19 | Load Inertia | Load Inertia (register 1116) | Command | ||
| AO | 20 | Control Mode | Control Mode (register 1201) | Command | ||
| AO | 21 | Speed Source | Speed Input Source (register 1202) | Command | ||
| AO | 22 | Run/Stop Source | Start/Stop Input Source (register 1203) | Command | ||
| AO | 23 | Dir Source | Direction Input Source (register 1204) | Command | ||
| AO | 24 | Clr Flt Source | Clear Fault Input Source (register 1205) | Command | ||
| AO | 27 | Enable Foldback | Enable Foldback (register 1208) | Command | ||
| AO | 28 | Disable Source | Interlock Input Source (register 1209) | Command | ||
| AO | 29 | Override Source | Override Input Source (register 1210) | Command | ||
| AO | 30 | Reset Attempts | Reset Attempts (register 1301) | Command | ||
| AO | 31 | Reset Delay | Reset Delay (register 1302) | Command | ||
| AO | 32 | AI1 Function | AI1 Function (register 2001) | Command | ||
| AO | 33 | AI1 Min Setting | AI1 Minimum Setting (register 2002) | Command | ||
| AO | 34 | AI1 Max Setting | AI1 Maximum Setting (register 2003) | Command | ||
| AO | 38 | AI1 Open Max V | AI1 Open Max V (register 2010) | Command | ||
| AO | 39 | AI1 Open RPM | AI1 Open Speed RPM (register 2011) | Command | ||
| AO | 40 | AI1 Stop Min V | AI1 Stop Min V (register 2012) | Command | ||
| AO | 41 | AI1 Stop Max V | AI1 Stop Max V (register 2013) | Command | ||
| AO | 43 | A1 FailOv Tout | AI1 FailOver Timeout (register 2015) | Command | ||
| AO | 48 | Const Speed 1 | Constant Speed 1 (register 2201) | Command | ||
| AO | 49 | Const Speed 2 | Constant Speed 2 (register 2202) | Command | ||
| AO | 50 | Const Speed 3 | Constant Speed 3 (register 2203) | Command | ||
| AO | 51 | Const Speed 4 | Constant Speed 4 (register 2204) | Command | ||
| AO | 52 | Override Speed | Override Speed (register 2205) | Command | ||
| AO | 53 | AO1 Function | AO1 Function (register 2301) | Command | ||
| AO | 54 | AO1 Scaling Min | AO1 Scaling Minimum (register 2302) | Command | ||
| AO | 55 | AO1 Scaling Max | AO1 Scaling Maximum (register 2303) | Command | ||
| AO | 56 | AO1 Filter | AO1 Filter (register 2304) | Command | ||
| AO | 58 | DO1 Function | DO1 Function (register 2401) | Command | ||
| AO | 59 | DO2 Function | DO2 Function (register 2402) | Command | ||
| AO | 125 | Parameter Save | Parameter Save (register 8701) | Command | ||
| BImin | 74 | Run/Stop Actual | Run/Stop Actual (register 3301) | Read | ||
| BI | 75 | Dir Actual | Direction Actual (register 3302) | Read | ||
| BI | 80 | DI1 Value | DIN1 (register 3701) | Read | ||
| BI | 81 | DI2 Value | DIN2 (register 3702) | Read | ||
| BI | 82 | DI3 Value | DIN3 (register 3703) | Read | ||
| BI | 83 | DI4 Value | DIN4 (register 3704) | Read | ||
| BI | 84 | DO1 Value | DOUT1 (register 3801) | Read | ||
| BI | 85 | DO2 Value | DOUT2 (register 3802) | Read | ||
| BImin | 86 | Active Faults | Active Faults (register 4001) | Read | ||
| BI | 87 | Active Warnings | Active Warnings (register 4002) | Read | ||
| BOmin | 1 | Run/Stop Cmd | SW Run/Stop (register 1001) | Command | ||
| BO | 2 | Direction Cmd | SW Direction (register 1002) | Command | ||
| BO | 37 | AI1 Type Select | AI1 Type Selection (register 2006) | Command | ||
| BO | 42 | AI1 FailOv Stop | AI1 FailOver Stop (register 2014) | Command | ||
| BO | 57 | AO1 Type | AO1 Type (register 2305) | Command | ||
| BOmin | 88 | Clear Faults | Clear Faults (register 4003) | Command | ||
| BO | 89 | Clear Warnings | Clear Warnings (register 4004) | Command |
No points match these filters.
Object ID lookup: Infinitum Aircore EC+ BACnet MS/TP module point IDs by name
AI15Max Accel AllowAI16Max Decel AllowAI25dummy1AI26dummy2AI35dummy3AI36dummy4AI44DI1 FunctionAI45DI2 FunctionAI46DI3 FunctionAI47DI4 FunctionAI60DC Bus VoltageAI61DC Bus CurrentAI62DC Bus PowerAI63Avg CurrentAI64Inp RMS CurrentAI65Inp RMS VoltageAI66Temp RTDAI67Temp AverageAI68Temp HeatsinkAI69Temp NTC1AI70Temp INV BoardAI71Spare1AI72Temp NTC2AI73Temp CIMAI76Speed ActualAI77AI1 ValueAI78AI1 RawAI79AO1 ValueAI90Fault WordAI91Warning WordAI92Parameter TableAI93Motor Max AmpsAI94Motor VoltageAI95Motor SN 1AI96Motor SN 2AI97Motor SN 3AI98Motor SN 4AI99Motor SN 5AI100Motor SN 6AI101Motor SN 7AI102Motor SN 8AI103Motor SN 9AI104Motor SN 10AI105Motor SN 11AI106Motor ModelAI107Motor rated RPMAI108INV FW MajorAI109INV FW MinorAI110CIM FW MajorAI111CIM FW MinorAI112Motor TypeAI113Hardware IDAI114INV FW PatchAI115CIM FW PatchAI116Hardware ID INVAI117Hardware ID VFDAI118Hardware ID CIMAI119HorsepowerAI120Frame SizeAI121Stator TypeAI122Drive RuntimeAI123Motor RuntimeAI124Motor MWhAO3Speed CommandAO4Speed User MinAO5Speed User MaxAO6Speed Abs MinAO7Speed Abs MaxAO8Accel Ramp TimeAO9Decel Ramp TimeAO10Skip Speed 1AO11Skip Speed 2AO12Skip Speed 3AO13Skip Speed BWAO14Dir AllowedAO17Speed Model MinAO18Speed Model MaxAO19Load InertiaAO20Control ModeAO21Speed SourceAO22Run/Stop SourceAO23Dir SourceAO24Clr Flt SourceAO27Enable FoldbackAO28Disable SourceAO29Override SourceAO30Reset AttemptsAO31Reset DelayAO32AI1 FunctionAO33AI1 Min SettingAO34AI1 Max SettingAO38AI1 Open Max VAO39AI1 Open RPMAO40AI1 Stop Min VAO41AI1 Stop Max VAO43A1 FailOv ToutAO48Const Speed 1AO49Const Speed 2AO50Const Speed 3AO51Const Speed 4AO52Override SpeedAO53AO1 FunctionAO54AO1 Scaling MinAO55AO1 Scaling MaxAO56AO1 FilterAO58DO1 FunctionAO59DO2 FunctionAO125Parameter SaveBI74Run/Stop ActualBI75Dir ActualBI80DI1 ValueBI81DI2 ValueBI82DI3 ValueBI83DI4 ValueBI84DO1 ValueBI85DO2 ValueBI86Active FaultsBI87Active WarningsBO1Run/Stop CmdBO2Direction CmdBO37AI1 Type SelectBO42AI1 FailOv StopBO57AO1 TypeBO88Clear FaultsBO89Clear Warnings
Integration notes
- Object list from section 9 of the manual (pages 7-9). Object names here are the 'BACnet point name' column (16 characters max); the descriptions give the register name and number.
- The manual's 'BACnet object name' column groups the points (Motor Control, Oper Limits, Operation Type, Fault Reset, Term Setting, Monitor Env, Monitor Temp, Actual, Faults, Parameters, Motor ID, Runtime, Parameter Save).
- The manual gives no access or units column: outputs are listed as commandable and inputs as read-only from the object type.
- Some point names are printed as placeholders (dummy1-dummy4 on AI 25, AI 26, AI 35, AI 36), and the skip-speed point names (AO 10-13) differ from their register names; all are kept as printed.
- A PICS is attached as an appendix image in the manual.
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 Aircore EC+ BACnet MS/TP module 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 Infinitum Aircore EC+ BACnet MS/TP module
How many BACnet points does the Infinitum Aircore EC+ BACnet MS/TP module have?
This list has 125 BACnet objects: 63 analog inputs, 45 analog outputs, 10 binary inputs, 7 binary outputs. The exact set on a given unit depends on its firmware, installed options and configuration.
Which Infinitum Aircore EC+ BACnet MS/TP module BACnet points are writable?
52 of the 125 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. The source has no read/write column, so this is inferred from object type.
Where is the official Infinitum Aircore EC+ BACnet MS/TP module BACnet documentation?
The source is Aircore EC+ BACnet User Manual (BACnet Version 1.4, Release Gen4), revision October 2025, published free by Infinitum at https://support.goinfinitum.com/hc/en-us/article_attachments/52467145317907.
What are the minimum BACnet points to integrate the Infinitum Aircore EC+ BACnet MS/TP module?
Start with BO 1 Run/Stop Cmd (Run/stop command); AO 3 Speed Command (Speed command from the BMS); BO 88 Clear Faults (Clears active faults); BI 74 Run/Stop Actual (Actual run state); AI 76 Speed Actual (Actual motor speed); AI 63 Avg Current (Average motor current); BI 86 Active Faults (Any active fault); AI 90 Fault Word (Bit-coded fault word).
How do I enable BMS control of the Infinitum Aircore EC+ BACnet MS/TP module?
The list includes source selectors for speed (AO 21 Speed Source), run/stop (AO 22 Run/Stop Source), direction (AO 23) and fault clearing (AO 24); this manual doesn't give their values, so set them per the Aircore EC+ IOM manual before commanding over BACnet MS/TP.
How do I check these points on the real Aircore EC+ BACnet MS/TP module?
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: Aircore EC+ BACnet User Manual · BACnet Version 1.4, Release Gen4 · rev. October 2025. Object names, instances and units are reproduced as published; descriptions are our own.