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Chilled water ceiling cassette (fan coil) controller · BACnet points list
Modine Chilled Water Ceiling Cassette Controller, Models SCW / CCW BACnet points list
Updated 6 November 2026
The cassette's controller has an RS-485 port that talks native BACnet MS/TP (or Modbus RTU, chosen with DIP switch SW3.8). From the BMS you can switch the unit on and off, set mode, fan speed and cooling and heating setpoints, drive occupancy and lock out the local remote or touchscreen. Every tuning parameter (PID gains, fan delays, valve bands, fan speed percentages, freeze protection) is also exposed, along with the sensors, the valve and fan outputs and the relay outputs.
This page lists 105 BACnet objects for the Modine Chilled Water Ceiling Cassette Controller, Models SCW / CCW — 93 of them writable — with each object’s type, instance number, name, engineering units and access. It is re-typed from Modine’s own free documentation, linked below.
- Manufacturer
- Modine
- Model
- Chilled Water Ceiling Cassette Controller, Models SCW / CCW
- Equipment
- Chilled water ceiling cassette (fan coil) controller
- Equipment type
- VAV boxes & fan coils
- BACnet objects
- 105 (93 writable)
- Transport
- BACnet MS/TP
- Firmware
- Not stated
- Default device instance
- 315000 + MAC address (DIP switches SW1.1-SW1.6)
- Also known as
- 8-510, 8-510.0, 5H1067400000, SCW, CCW, Modine cassette controller
Reference only, provided as-is: verify against Modine’s current documentation and the live device before use. Not official Modine information. Terms of use.
BMS integration notes: Modine Chilled Water Ceiling Cassette Controller, Models SCW / CCW
Leave SW3.8 on for BACnet MS/TP, give each cassette a unique MAC (0-63) on SW1; the device ID is 315000 + MAC. Switch the unit with BV 0 OnOff, set Mode (AV 4), FanSpeed (AV 6) and the cooling and heating setpoints, and use BV 16 for network occupancy. Read the effective setpoint, return air temperature, effective mode and fan speed, and DI1 for the alarm relay.
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 0 | OnOff | Unit on/off command (1 = on) | Write |
| BV 16 | UnoccupiedByNetwork | Network occupancy: 1 = unoccupied | Write |
| AV 4 | Mode | Mode: 0 fan, 1 cool, 2 heat, 3 auto | Write |
| AV 6 | FanSpeed | Fan speed: 0 auto, 1 low, 2 medium, 3 high | Write |
| AV 0 | SetPoint_SetPointCool | Cooling setpoint, 41-95 °F | Write |
| AV 1 | SetPointHeat | Heating setpoint, 41-95 °F | Write |
| AV 5 | ModeEffective | Active mode (4 = off) | Read |
| AV 3 | ReturnAirSensorEffective | Control (return air) temperature | Read |
| AV 2 | SetPointEffective | Active setpoint | Read |
| BI 0 | DI_1 | Alarm input: 1 = fault, all outputs off | Read |
Enable & remote start
BV 0 OnOff switches the controller on or off (default off) from the BMS, the remote or the touchscreen. With an occupancy function set (AV 14), BV 16 UnoccupiedByNetwork = 1 puts the space unoccupied; it returns to occupied only when DI2 is open and BV 16 is 0. BV 47 disables the DI2 occupancy input so the BMS has sole control.
Network setup
- SW3.8 on = BACnet MS/TP (default), off = Modbus.
- MAC address 0-63 is set on DIP switch block SW1 (switches 1-6); device ID = 315000 + MAC.
- Baud 9600, 19200, 38400 or 76800; no parity, 8 data bits, 1 stop bit.
- A 120 ohm end-of-line resistor is built in; switch it on at the last unit only.
Watch out for
- Writing BV 13 RestoreDefault = 1 restores factory defaults.
- Setting BV 47 DisableOccupancySensor while DI2 is closed can leave the unit stuck unoccupied.
- BV 3-6 lock the local fan, mode, on/off and setpoint controls; check them if local changes are ignored.
- The tuning AVs are configuration; don't write them cyclically.
Modine Chilled Water Ceiling Cassette Controller, Models SCW / CCW 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 | 0 | T1_Sensor | Range 32...104°F (0...40°C) | °F | Write | |
| AI | 1 | T2_Sensor | Range -4...212°F (-20...100°C) | °F | Write | |
| AI | 2 | T3_Sensor | Range -4...212°F (-20...100°C) | °F | Write | |
| AO | 0 | AO_Cool (cool/heat valve) | Range 0...100% | % | Write | |
| AO | 1 | AO_Heat | Range 0...100% | % | Write | |
| AO | 2 | AO_Fan | Range 0...100% | % | Write | |
| AVmin | 0 | SetPoint_SetPointCool | Range 41...95°F (5...35°C); default 73°F (23°C) | °F | Write | |
| AVmin | 1 | SetPointHeat | Range 41...95°F (5...35°C); default 72°F (22°C) | °F | Write | |
| AVmin | 2 | SetPointEffective | Range 41...95°F (5...35°C) | °F | Read | |
| AVmin | 3 | ReturnAirSensorEffective | Range 32...212°F (0...100°C) | °F | Read | |
| AVmin | 4 | Mode | Default 3-Auto | Write | 0-Fan only, 1-Cool,2-Heat, 3-Auto, 6-emergency mode from IRP. | |
| AVmin | 5 | ModeEffective | Read | 0-Fan only, 1-Cool, 2-Heat, 4-Off, 5-None mode** (2-Pipe) | ||
| AVmin | 6 | FanSpeed | Default 0-Auto | Write | 0-Auto, 1-Low, 2-Medium, 3-High | |
| AV | 7 | FanEffective | Read | 0-Auto, 1-Low, 2-Medium, 3-High, 4-Off | ||
| AV | 8 | ReturnAirSensorCalibration | Range -9...9°F (-5...5°C); default 0°F (0°C) | °F | Write | |
| AV | 9 | SetPointLimitCool | Range 41...95°F (5...35°C); default 50°F (10°C) | °F | Write | |
| AV | 10 | SetPointLimitHeat | Range 41...95°F (5...35°C); default 86°F (30°C) | °F | Write | |
| AV | 11 | EconomySetPointInCool | Range 41...95°F (5...35°C); default 86°F (30°C) | °F | Write | |
| AV | 12 | EconomySetPointInHeat | Range 41...95°F (5...35°C); default 50°F (10°C) | °F | Write | |
| AV | 13 | OccupancyEffectiveHVAC | Read | 0 - Occupied, 2-Unoccupied (AV#14=1), 3-Unoccupied (AV#14=2), 4-Unoccupied (AV#14=3) | ||
| AV | 14 | OccupancySensorFunction | Default 0-Not used | Write | 0-Not used, 1-On/Off, 2-Start/Stop, 3-Economy | |
| AV | 15 | OccupancySensorHVACDelayTime | Range 0...900 min; default 20 min | min | Write | |
| AV | 17 | T2_Effective | Range -9.9...210°F (-9.9...99°C) | °F | Read | |
| AV | 18 | T3_Effective | Range -9.9...210°F (-9.9...99°C) | °F | Read | |
| AV | 19 | CoolFanOnDelay | Range 0...120 sec; default 0 sec | s | Write | |
| AV | 20 | CoolFanOffDelay | Range 0...120 sec; default 0 sec | s | Write | |
| AV | 21 | HeatFanOnDelay | Range 0...120 sec; default 0 sec | s | Write | |
| AV | 22 | HeatFanOffDelay | Range 0...120 sec; default 30 sec | s | Write | |
| AV | 23 | FreezeProtectionCutInSetpoint | Range 46...59°F (8…15°C); default 46°F (8°C) | °F | Write | |
| AV | 24 | FreezeProtectionCutOutSetpoint | Range 50...63°F (10…17°C); default 50°F (10°C) | °F | Write | |
| AV | 27 | CoolDifferentialBand | Range 1...9°F (0.5...5°C); default 2°F (1°C) | °F | Write | |
| AV | 28 | CoolDifferentialBandOffset | Range -9...9°F (-5...5°C); default 0°F (0°C) | °F | Write | |
| AV | 31 | ShiftBetweenCoolAndHeat | Range 0...18°F (0...10°C); default 4°F (2°C) | °F | Write | |
| AV | 33 | ShiftBetweenHeatStages | Range 0...88°F (0...49°C); default 4°F (2°C) | °F | Write | |
| AV | 36 | TimeDelayOnNextHeatStage | Range 0...600 sec; default 5 sec | s | Write | |
| AV | 46 | FanSoftStartInHeatCutInTemperature | Range 57...99°F (14...37°C); default 97°F (36°C) | °F | Write | |
| AV | 47 | FanSoftStartInHeatCutOutTemperature | Range 54...95°F (12...35°C); default 90°F (32°C) | °F | Write | |
| AV | 48 | DifferentialOnOffFanSpeeds | Range 0.6...4°F (0.3...2°C); default 1.4°F (0.7°C) | °F | Write | |
| AV | 49 | OutputsThresholdTimeCool | Range 0...100 sec; default 60 sec | s | Write | |
| AV | 50 | OutputsThresholdTimeHeat | Range 0...100 sec; default 60 sec | s | Write | |
| AV | 51 | Kp_PIDCool | Range 0...100; default 100 | Write | ||
| AV | 52 | Kp_PIDHeat | Range 0...100; default 100 | Write | ||
| AV | 53 | Ki_PIDCool | Range 0...100; default 0 | Write | ||
| AV | 54 | Ki_PIDHeat | Range 0...100; default 0 | Write | ||
| AV | 55 | Kd_PIDCool | Range 0...100; default 1 | Write | ||
| AV | 56 | Kd_PIDHeat | Range 0...100; default 1 | Write | ||
| AV | 57 | CoolValveProportionalBand | Range 2...18°F (1...10°C); default 4°F (2°C) | °F | Write | |
| AV | 58 | CoolProportionalLowLimit | Range 0...100%; default 0% | % | Write | |
| AV | 59 | CoolProportionalHighLimit | Range 0...100%; default 100% | % | Write | |
| AV | 60 | HeatValveProportionalBand | Range 2...18°F (1...10°C); default 4°F (2°C) | °F | Write | |
| AV | 61 | HeatProportionalLowLimit | Range 0...100%; default 0% | % | Write | |
| AV | 62 | HeatProportionalHighLimit | Range 0...100%; default 100% | % | Write | |
| AV | 64 | ProportionalOnPercent | Range 0...30%; default 30% | % | Write | |
| AV | 65 | ProportionalOffPercent | Range 0...20%; default 10% | % | Write | |
| AV | 66 | CoolVFSProportionalBand | Range 2...18°F (1...10°C); default 4°F (2°C) | °F | Write | |
| AV | 67 | HeatVFSProportionalBand | Range 2...18°F (1...10°C); default 4°F (2°C) | °F | Write | |
| AV | 68 | CoolVFSLowSpeedPercent | Range 0...100%; default 41% | % | Write | |
| AV | 69 | CoolVFSMediumSpeedPercent | Range 0...100%; default 50% | % | Write | |
| AV | 70 | CoolVFSHighSpeedPercent | Range 0...100%; default 55% | % | Write | |
| AV | 71 | HeatVFSLowSpeedPercent | Range 0...100%; default 41% | % | Write | |
| AV | 72 | HeatVFSMediumSpeedPercent | Range 0...100%; default 50% | % | Write | |
| AV | 73 | HeatVFSHighSpeedPercent | Range 0...100%; default 55% | % | Write | |
| AV | 75 | VFSMediumSpeedDiff | Range 1...100%; default 10% | % | Write | |
| AV | 76 | VFSHighSpeedDiff | Range 1...100%; default 10% | % | Write | |
| AV | 77 | CoolVFSLowLimit | Range 0...100%; default 41% | % | Write | |
| AV | 78 | CoolVFSHighLimit | Range 0...100%; default 55% | % | Write | |
| AV | 79 | HeatVFSLowLimit | Range 0...100%; default 41% | % | Write | |
| AV | 80 | HeatVFSHighLimit | Range 0...100%; default 55% | % | Write | |
| AV | 113 | ModbusBaudRate (not in use) | Range 0…4 | Write | ||
| AV | 133 | DipSwitchesState (SW2, SW3 configuration) | Range 0...65535 | Read | ||
| BImin | 0 | DI_1 | Read | 1-Open: Fault all outputs off, 0-Close: normal work (if BV#39=1) | ||
| BI | 1 | DI2_OccupancySensor | Read | 1-Open:Occupied, 0-Close: Unoccupied (if BV#40=1) | ||
| BI | 2 | DI_3 | Read | 0-Open, 1-Close (if BV#41=0) | ||
| BI | 3 | DI_4 | Read | 0-Open, 1-Close (if BV#42=0) | ||
| BO | 0 | Heat1 | Write | 1-On, 0-Off | ||
| BO | 1 | Heat2 | Write | 1-On, 0-Off | ||
| BO | 2 | Heat3 | Write | 1-On, 0-Off | ||
| BO | 3 | Cool1 (cool/heat valve) | Write | 1-On, 0-Off | ||
| BO | 5 | FanOnOffLow | Write | 1-On, 0-Off | ||
| BO | 6 | FanOnOffMedium | Write | 1-On, 0-Off | ||
| BO | 7 | FanOnOffHigh | Write | 1-On, 0-Off | ||
| BO | 12 | PumpOut | Write | 1-On, 0-Off | ||
| BO | 13 | SwingOut | Write | 1-On, 0-Off | ||
| BVmin | 0 | OnOff | default 0-Off | Write | 1-On, 0-Off | |
| BV | 1 | AutoFanInCool | default 0-Disable | Write | 1-Enable, 0-Disable | |
| BV | 2 | C_F_Scale | default 0-Fahrenheit | Write | 1-Celsius, 0-Fahrenheit | |
| BV | 3 | LockFan | default 0-Unlock | Write | 1-Lock, 0-Unlock | |
| BV | 4 | LockMode | default 0-Unlock | Write | 1-Lock, 0-Unlock | |
| BV | 5 | LockOnOff | default 0-Unlock | Write | 1-Lock, 0-Unlock | |
| BV | 6 | LockSetpoint | default 0-Unlock | Write | 1-Lock, 0-Unlock | |
| BV | 7 | One_TwoSetpoints | default 0-one setpoint | Write | 0-one setpoint, 1-two setpoints | |
| BV | 10 | AutoModeEnable | default 1-Enable | Write | 1-Enable, 0-Disable | |
| BV | 11 | FreezeProtectionEnable | default 1-Enable | Write | 1-Enable, 0-Disable | |
| BV | 13 | RestoreDefault | default 0-NOP | Write | 1-Perform Restore, 0-NOP | |
| BVmin | 16 | UnoccupiedByNetwork | default 0-Off | Write | 1-Unoccupied, 0-Off | |
| BV | 35 | TemperatureOverrideEnable | default 0-Disable | Write | 1-Enable, 0-Disable | |
| BV | 38 | AutoFanInHeat | default 0-Off | Write | 1-On, 0-Off | |
| BV | 39 | DI1_Polarity | default 1-N. Close | Write | 1-Normally close, 0-Normally open | |
| BV | 40 | DI2_Polarity | default 1-N. Open | Write | 1-Normally open, 0-Normally close | |
| BV | 41 | DI3_Polarity | default 0-N. Open | Write | 1-Normally close, 0-Normally open | |
| BV | 42 | DI4_Polarity | default 0-N. Open | Write | 1-Normally close, 0-Normally open | |
| BV | 47 | DisableOccupancySensor | default 0- Enable Occ. Sensor | Write | 0-Enable Occ. sensor, 1-Disable Occ. sensor | |
| BV | 48 | SelectModeInFCByDI3Enable | default 0 - Disable | Write | 0-Disable DI3 in 2 pipe, 1-Enable DI3 in 2 pipe | |
| BV | 54 | DisablePolling | default 0 - Enable | Write | 0-Enable Polling after power break, 1-Disable Polling after power break | |
| BV | 55 | SwingEnable | default 0 - Disable | Write | 0-Swing out disable, 1-Swing out enable (according to controller logic) |
No points match these filters.
Object ID lookup: Modine Chilled Water Ceiling Cassette Controller, Models SCW / CCW point IDs by name
AI0T1_SensorAI1T2_SensorAI2T3_SensorAO0AO_Cool (cool/heat valve)AO1AO_HeatAO2AO_FanAV0SetPoint_SetPointCoolAV1SetPointHeatAV2SetPointEffectiveAV3ReturnAirSensorEffectiveAV4ModeAV5ModeEffectiveAV6FanSpeedAV7FanEffectiveAV8ReturnAirSensorCalibrationAV9SetPointLimitCoolAV10SetPointLimitHeatAV11EconomySetPointInCoolAV12EconomySetPointInHeatAV13OccupancyEffectiveHVACAV14OccupancySensorFunctionAV15OccupancySensorHVACDelayTimeAV17T2_EffectiveAV18T3_EffectiveAV19CoolFanOnDelayAV20CoolFanOffDelayAV21HeatFanOnDelayAV22HeatFanOffDelayAV23FreezeProtectionCutInSetpointAV24FreezeProtectionCutOutSetpointAV27CoolDifferentialBandAV28CoolDifferentialBandOffsetAV31ShiftBetweenCoolAndHeatAV33ShiftBetweenHeatStagesAV36TimeDelayOnNextHeatStageAV46FanSoftStartInHeatCutInTemperatureAV47FanSoftStartInHeatCutOutTemperatureAV48DifferentialOnOffFanSpeedsAV49OutputsThresholdTimeCoolAV50OutputsThresholdTimeHeatAV51Kp_PIDCoolAV52Kp_PIDHeatAV53Ki_PIDCoolAV54Ki_PIDHeatAV55Kd_PIDCoolAV56Kd_PIDHeatAV57CoolValveProportionalBandAV58CoolProportionalLowLimitAV59CoolProportionalHighLimitAV60HeatValveProportionalBandAV61HeatProportionalLowLimitAV62HeatProportionalHighLimitAV64ProportionalOnPercentAV65ProportionalOffPercentAV66CoolVFSProportionalBandAV67HeatVFSProportionalBandAV68CoolVFSLowSpeedPercentAV69CoolVFSMediumSpeedPercentAV70CoolVFSHighSpeedPercentAV71HeatVFSLowSpeedPercentAV72HeatVFSMediumSpeedPercentAV73HeatVFSHighSpeedPercentAV75VFSMediumSpeedDiffAV76VFSHighSpeedDiffAV77CoolVFSLowLimitAV78CoolVFSHighLimitAV79HeatVFSLowLimitAV80HeatVFSHighLimitAV113ModbusBaudRate (not in use)AV133DipSwitchesState (SW2, SW3 configuration)BI0DI_1BI1DI2_OccupancySensorBI2DI_3BI3DI_4BO0Heat1BO1Heat2BO2Heat3BO3Cool1 (cool/heat valve)BO5FanOnOffLowBO6FanOnOffMediumBO7FanOnOffHighBO12PumpOutBO13SwingOutBV0OnOffBV1AutoFanInCoolBV2C_F_ScaleBV3LockFanBV4LockModeBV5LockOnOffBV6LockSetpointBV7One_TwoSetpointsBV10AutoModeEnableBV11FreezeProtectionEnableBV13RestoreDefaultBV16UnoccupiedByNetworkBV35TemperatureOverrideEnableBV38AutoFanInHeatBV39DI1_PolarityBV40DI2_PolarityBV41DI3_PolarityBV42DI4_PolarityBV47DisableOccupancySensorBV48SelectModeInFCByDI3EnableBV54DisablePollingBV55SwingEnable
Integration notes
- The manual marks the sensor inputs and the analog and binary outputs as R/W; they are shown as printed.
- Ranges and defaults are printed in °F with °C in brackets; BV 2 C_F_Scale switches the display scale.
- Instances are not contiguous (e.g. AV 16, AV 25-26, BO 4 are not listed); only the printed objects are shown.
- ModeEffective value 5 ('None mode') applies to 2-pipe units; DI3 mode selection in 2-pipe needs BV 48 = 1.
- Source table: Table 9.1 BACnet Points List, manual pages 9-11 (105 objects).
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 Chilled Water Ceiling Cassette Controller, Models SCW / CCW 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 Modine Chilled Water Ceiling Cassette Controller, Models SCW / CCW
How many BACnet points does the Modine Chilled Water Ceiling Cassette Controller, Models SCW / CCW have?
This list has 105 BACnet objects: 3 analog inputs, 3 analog outputs, 64 analog values, 4 binary inputs, 9 binary outputs, 22 binary values. The exact set on a given unit depends on its firmware, installed options and configuration.
Which Modine Chilled Water Ceiling Cassette Controller, Models SCW / CCW BACnet points are writable?
93 of the 105 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 Modine Chilled Water Ceiling Cassette Controller, Models SCW / CCW BACnet documentation?
The source is Microprocessor Controls Manual for Chilled Water Cassettes, Models SCW & CCW (Model Digit 7 = C) (8-510.0), revision 2026-06, published free by Modine at https://modine.worksmartsuite.com/PORTAL/io_modules/IOGETIMAGE.php?type=stream&filename=8-510.pdf.
What are the minimum BACnet points to integrate the Modine Chilled Water Ceiling Cassette Controller, Models SCW / CCW?
Start with BV 0 OnOff (Unit on/off command (1 = on)); BV 16 UnoccupiedByNetwork (Network occupancy: 1 = unoccupied); AV 4 Mode (Mode: 0 fan, 1 cool, 2 heat, 3 auto); AV 6 FanSpeed (Fan speed: 0 auto, 1 low, 2 medium, 3 high); AV 0 SetPoint_SetPointCool (Cooling setpoint, 41-95 °F); AV 1 SetPointHeat (Heating setpoint, 41-95 °F); AV 5 ModeEffective (Active mode (4 = off)); AV 3 ReturnAirSensorEffective (Control (return air) temperature); AV 2 SetPointEffective (Active setpoint); BI 0 DI_1 (Alarm input: 1 = fault, all outputs off).
How do I enable BMS control of the Modine Chilled Water Ceiling Cassette Controller, Models SCW / CCW?
BV 0 OnOff switches the controller on or off (default off) from the BMS, the remote or the touchscreen. With an occupancy function set (AV 14), BV 16 UnoccupiedByNetwork = 1 puts the space unoccupied; it returns to occupied only when DI2 is open and BV 16 is 0. BV 47 disables the DI2 occupancy input so the BMS has sole control.
How do I check these points on the real Chilled Water Ceiling Cassette Controller, Models SCW / CCW?
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.
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Source: Microprocessor Controls Manual for Chilled Water Cassettes, Models SCW & CCW (Model Digit 7 = C) · 8-510.0 · rev. 2026-06. Object names, instances and units are reproduced as published; descriptions are our own.