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VAV room / duct pressure controller · BACnet points list

TROX UNIVERSAL duct pressure controller (EM-IP, BACnet IP) BACnet points list

Updated 6 November 2026

Short answer

TROX UNIVERSAL lab and room airflow controllers connect to BACnet IP through the EM-IP expansion module. This is TROX's EDE file for the duct pressure controller (order code PDS / PDE): 128 value objects (66 AV, 51 BV, 11 MV). The module always carries the objects of every application; each application's EDE lists only the ones it fills.

This page lists 128 BACnet objects for the TROX UNIVERSAL duct pressure controller (EM-IP, BACnet IP) — 9 of them writable — with each object’s type, instance number, name, engineering units and access. It is re-typed from TROX’s own free documentation, linked below.

Manufacturer
TROX
Model
TROX UNIVERSAL duct pressure controller (EM-IP, BACnet IP)
Equipment
VAV room / duct pressure controller
Equipment type
VAV boxes & fan coils
BACnet objects
128 (9 writable)
Transport
BACnet IP
Firmware
EM-IP EDE V2.1
Default device instance
17493
Also known as
TROX UNIVERSAL EM-IP, EM-IP, TROX UNIVERSAL, order code PDS / PDE
Source document
EM-IP EDE files V2.1 (EM-IP_EDE-complete-V2_1) · EM-IP_EDE_U_PD V2_1
Download CSV 128 rows Download EDE B.I.G.-EU JSON Manufacturer PDF ↗ Compare with your scan Download Easy BACnet Mobile App Google Play

Reference only, provided as-is: verify against TROX’s current documentation and the live device before use. Not official TROX information. Terms of use.

BMS integration notes: TROX UNIVERSAL duct pressure controller (EM-IP, BACnet IP)

Integration in brief

This application takes no mode preset over BACnet; the BMS mainly reads airflow, damper and alarm values; write AV 81 PressSetpoint for the setpoint. Read MV 4 RoomModeAct, AV 2 VolflowAct, AV 3 VolTotalExh, AV 6 PressAct, BV 1 LocalAlarm, BV 2 SummaryAlarm.

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.

ObjectNameWhyAccess
AV 81PressSetpointRoom or duct pressure setpoint, PaWrite
MV 4RoomModeActCurrent operating mode of the roomRead
AV 2VolflowActMeasured airflow, l/sRead
AV 6PressActMeasured room or duct pressure, PaRead
AV 10DampPosDamper position, %Read
BV 2SummaryAlarmSummary alarm of the room systemRead
BV 1LocalAlarmAlarm on this controllerRead
BV 3PressAlarmPressure alarmRead

Sensors & values from the BMS

AV 22 VolflowExh and AV 23 VolflowSup let the BMS feed extract and supply airflows of other equipment into the room balance.

Network setup

Watch out for

TROX UNIVERSAL duct pressure controller (EM-IP, BACnet IP) 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.

128 of 128 shown
Type
AnalogBinaryMulti-state
Access
Show
TROX UNIVERSAL duct pressure controller (EM-IP, BACnet IP) BACnet Points List
DescriptionStates
MVmin4RoomModeActCurrent room operation modeRead1=No Preset, 2=Standard Mode, 3=Low Mode, 4=High Mode, 5=Shut off Mode, 6=Open Mode
MV30DampPosMaxState_TSMost-open damper state, all supply controllers in the roomRead1=Not Present, 2=Compliance, 3=Open
MV31DampPosMinState_TSLeast-open damper state, all supply controllers in the roomRead1=Not Present, 2=Compliance, 3=Closed
MV32DampPosMaxState_VEMost-open damper state, all room exhaust controllersRead1=Not Present, 2=Compliance, 3=Closed
MV33DampPosMinState_VELeast-open damper state, all room exhaust controllersRead1=Not Present, 2=Compliance, 3=Closed
MV34DampPosMaxState_VSMost-open damper state, all room supply controllersRead1=Not Present, 2=Compliance, 3=Closed
MV35DampPosMinState_VSLeast-open damper state, all room supply controllersRead1=Not Present, 2=Compliance, 3=Closed
MV36DampPosMaxState_PKEMost-open damper state, all duct pressure exhaust controllersRead1=Not Present, 2=Compliance, 3=Closed
MV37DampPosMinState_PKELeast-open damper state, all duct pressure exhaust controllersRead1=Not Present, 2=Compliance, 3=Closed
MV38DampPosMaxState_PKSMost-open damper state, all duct pressure supply controllersRead1=Not Present, 2=Compliance, 3=Closed
MV39DampPosMinState_PKSLeast-open damper state, all duct pressure supply controllersRead1=Not Present, 2=Compliance, 3=Closed
AVmin2VolflowActCurrent volume flowl/sRead
AV3VolTotalExhTotal exhaust air volume flowl/sRead
AV4VolTotalSupTotal supply air volume flowl/sRead
AV5PressSetRoom pressure setpointPaRead
AVmin6PressActCurrent room pressurePaRead
AVmin10DampPosDamper position%Read
AV21SystemDevicesNumber of detected system membersRead
AV22VolflowExhIntegrated exhaust volume flowl/sWrite
AV23VolflowSupIntegrated supply volume flowl/sWrite
AV32Device_ID_0Device-ID - System member 0Read
AV33Device_ID_1Device-ID - System member 1Read
AV34Device_ID_2Device-ID - System member 2Read
AV35Device_ID_3Device-ID - System member 3Read
AV36Device_ID_4Device-ID - System member 4Read
AV37Device_ID_5Device-ID - System member 5Read
AV38Device_ID_6Device-ID - System member 6Read
AV39Device_ID_7Device-ID - System member 7Read
AV40Device_ID_8Device-ID - System member 8Read
AV41Device_ID_9Device-ID - System member 9Read
AV42Device_ID_10Device-ID - System member 10Read
AV43Device_ID_11Device-ID - System member 11Read
AV44Device_ID_12Device-ID - System member 12Read
AV45Device_ID_13Device-ID - System member 13Read
AV46Device_ID_14Device-ID - System member 14Read
AV47Device_ID_15Device-ID - System member 15Read
AV48Device_ID_16Device-ID - System member 16Read
AV49Device_ID_17Device-ID - System member 17Read
AV50Device_ID_18Device-ID - System member 18Read
AV51Device_ID_19Device-ID - System member 19Read
AV52Device_ID_20Device-ID - System member 20Read
AV53Device_ID_21Device-ID - System member 21Read
AV54Device_ID_22Device-ID - System member 22Read
AV55Device_ID_23Device-ID - System member 23Read
AV56VolflowAct_0Current volume flow - System member ID 1l/sRead
AV57VolflowAct_1Current volume flow - System member ID 2l/sRead
AV58VolflowAct_2Current volume flow - System member ID 3l/sRead
AV59VolflowAct_3Current volume flow - System member ID 4l/sRead
AV60VolflowAct_4Current volume flow - System member ID 5l/sRead
AV61VolflowAct_5Current volume flow - System member ID 6l/sRead
AV62VolflowAct_6Current volume flow - System member ID 7l/sRead
AV63VolflowAct_7Current volume flow - System member ID 8l/sRead
AV64VolflowAct_8Current volume flow - System member ID 9l/sRead
AV65VolflowAct_9Current volume flow - System member ID 10l/sRead
AV66VolflowAct_10Current volume flow - System member ID 11l/sRead
AV67VolflowAct_11Current volume flow - System member ID 12l/sRead
AV68VolflowAct_12Current volume flow - System member ID 13l/sRead
AV69VolflowAct_13Current volume flow - System member ID 14l/sRead
AV70VolflowAct_14Current volume flow - System member ID 15l/sRead
AV71VolflowAct_15Current volume flow - System member ID 16l/sRead
AV72VolflowAct_16Current volume flow - System member ID 17l/sRead
AV73VolflowAct_17Current volume flow - System member ID 18l/sRead
AV74VolflowAct_18Current volume flow - System member ID 19l/sRead
AV75VolflowAct_19Current volume flow - System member ID 20l/sRead
AV76VolflowAct_20Current volume flow - System member ID 21l/sRead
AV77VolflowAct_21Current volume flow - System member ID 22l/sRead
AV78VolflowAct_22Current volume flow - System member ID 23l/sRead
AV79VolflowAct_23Current volume flow - System member ID 24l/sRead
AVmin81PressSetpointPressure setpointPaWrite
AV85DampPosMaxValue_VEMost-open damper position, all room exhaust controllers%Read
AV86DampPosMinValue_VELeast-open damper position, all room exhaust controllers%Read
AV87DampPosMaxValue_VSMost-open damper position, all room supply controllers%Read
AV88DampPosMinValue_VSLeast-open damper position, all room supply controllers%Read
AV89DampPosMaxValue_PKEMost-open damper position, all duct pressure exhaust controllers%Read
AV90DampPosMinValue_PKELeast-open damper position, all duct pressure exhaust controllers%Read
AV91DampPosMaxValue_PKSMost-open damper position, all duct pressure supply controllers%Read
AV92DampPosMinValue_PKSLeast-open damper position, all duct pressure supply controllers%Read
BVmin1LocalAlarmlocal alarmRead0=Normal, 1=Alarm
BVmin2SummaryAlarmSummary alarmRead0=Normal, 1=Alarm
BVmin3PressAlarmRoom pressure alarmRead0=Normal, 1=Alarm
BV6DI1Current DI1-stateRead0=Off, 1=On
BV7DI2Current DI2-stateRead0=Off, 1=On
BV8DI3Current DI3-stateRead0=Off, 1=On
BV9DI4Current DI4-stateRead0=Off, 1=On
BV10DI5Current DI5-stateRead0=Off, 1=On
BV11DI6Current DI6-stateRead0=Off, 1=On
BV12DO1Current DO1-stateRead0=Off, 1=On
BV13DO2Current DO2-stateRead0=Off, 1=On
BV14DO3Current DO3-stateRead0=Off, 1=On
BV15DO4Current DO4-stateRead0=Off, 1=On
BV16DO5Current DO5-stateRead0=Off, 1=On
BV17DO6Current DO6-stateRead0=Off, 1=On
BV19DO1_SetDigital output 1 - Set outputWrite0=Inactive, 1=Active
BV20DO2_SetDigital output 2 - Set outputWrite0=Inactive, 1=Active
BV21DO3_SetDigital output 3 - Set outputWrite0=Inactive, 1=Active
BV22DO4_SetDigital output 4 - Set outputWrite0=Inactive, 1=Active
BV23DO5_SetDigital output 5 - Set outputWrite0=Inactive, 1=Active
BV24DO6_SetDigital output 6 - Set outputWrite0=Inactive, 1=Active
BV25DO1_SetByLocalDigital output 1 - Check control sourceRead0=External, 1=Local
BV26DO2_SetByLocalDigital output 2- Check control sourceRead0=External, 1=Local
BV27DO3_SetByLocalDigital output 3 - Check control sourceRead0=External, 1=Local
BV28DO4_SetByLocalDigital output 4 - Check control sourceRead0=External, 1=Local
BV29DO5_SetByLocalDigital output 5 - Check control sourceRead0=External, 1=Local
BV30DO6_SetByLocalDigital output 6 - Check control sourceRead0=External, 1=Local
BV31LocalAlarm_0Local alarm of System member ID 1Read0=Normal, 1=Alarm
BV32LocalAlarm_1Local alarm of System member ID 2Read0=Normal, 1=Alarm
BV33LocalAlarm_2Local alarm of System member ID 3Read0=Normal, 1=Alarm
BV34LocalAlarm_3Local alarm of System member ID 4Read0=Normal, 1=Alarm
BV35LocalAlarm_4Local alarm of System member ID 5Read0=Normal, 1=Alarm
BV36LocalAlarm_5Local alarm of System member ID 6Read0=Normal, 1=Alarm
BV37LocalAlarm_6Local alarm of System member ID 7Read0=Normal, 1=Alarm
BV38LocalAlarm_7Local alarm of System member ID 8Read0=Normal, 1=Alarm
BV39LocalAlarm_8Local alarm of System member ID 9Read0=Normal, 1=Alarm
BV40LocalAlarm_9Local alarm of System member ID 10Read0=Normal, 1=Alarm
BV41LocalAlarm_10Local alarm of System member ID 11Read0=Normal, 1=Alarm
BV42LocalAlarm_11Local alarm of System member ID 12Read0=Normal, 1=Alarm
BV43LocalAlarm_12Local alarm of System member ID 13Read0=Normal, 1=Alarm
BV44LocalAlarm_13Local alarm of System member ID 14Read0=Normal, 1=Alarm
BV45LocalAlarm_14Local alarm of System member ID 15Read0=Normal, 1=Alarm
BV46LocalAlarm_15Local alarm of System member ID 16Read0=Normal, 1=Alarm
BV47LocalAlarm_16Local alarm of System member ID 17Read0=Normal, 1=Alarm
BV48LocalAlarm_17Local alarm of System member ID 18Read0=Normal, 1=Alarm
BV49LocalAlarm_18Local alarm of System member ID 19Read0=Normal, 1=Alarm
BV50LocalAlarm_19Local alarm of System member ID 20Read0=Normal, 1=Alarm
BV51LocalAlarm_20Local alarm of System member ID 21Read0=Normal, 1=Alarm
BV52LocalAlarm_21Local alarm of System member ID 22Read0=Normal, 1=Alarm
BV53LocalAlarm_22Local alarm of System member ID 23Read0=Normal, 1=Alarm
BV54LocalAlarm_23Local alarm of System member ID 24Read0=Normal, 1=Alarm
Object ID lookup: TROX UNIVERSAL duct pressure controller point IDs by name

Integration notes

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 TROX UNIVERSAL duct pressure controller (EM-IP, BACnet IP) 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 TROX UNIVERSAL duct pressure controller (EM-IP, BACnet IP)

How many BACnet points does the TROX UNIVERSAL duct pressure controller (EM-IP, BACnet IP) have?

This list has 128 BACnet objects: 66 analog values, 51 binary values, 11 multi-state values. The exact set on a given unit depends on its firmware, installed options and configuration.

Which TROX UNIVERSAL duct pressure controller (EM-IP, BACnet IP) BACnet points are writable?

9 of the 128 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 TROX UNIVERSAL duct pressure controller (EM-IP, BACnet IP) BACnet documentation?

The source is EM-IP EDE files V2.1 (EM-IP_EDE-complete-V2_1) (EM-IP_EDE_U_PD V2_1), published free by TROX at https://www.trox.de/en/downloads/8ae3f9612c1bc159/EM-IP_EDE-complete-V2_1.zip.

What are the minimum BACnet points to integrate the TROX UNIVERSAL duct pressure controller (EM-IP, BACnet IP)?

Start with AV 81 PressSetpoint (Room or duct pressure setpoint, Pa); MV 4 RoomModeAct (Current operating mode of the room); AV 2 VolflowAct (Measured airflow, l/s); AV 6 PressAct (Measured room or duct pressure, Pa); AV 10 DampPos (Damper position, %); BV 2 SummaryAlarm (Summary alarm of the room system); BV 1 LocalAlarm (Alarm on this controller); BV 3 PressAlarm (Pressure alarm).

Can the BMS supply sensor values to the TROX UNIVERSAL duct pressure controller (EM-IP, BACnet IP)?

AV 22 VolflowExh and AV 23 VolflowSup let the BMS feed extract and supply airflows of other equipment into the room balance.

How do I check these points on the real TROX UNIVERSAL duct pressure controller (EM-IP, BACnet IP)?

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 TROX BACnet points lists

Source: EM-IP EDE files V2.1 (EM-IP_EDE-complete-V2_1) · EM-IP_EDE_U_PD V2_1. Object names, instances and units are reproduced as published; descriptions are our own.