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Differential pressure / airflow sensor (transmitter) · BACnet points list
Regin Presigo PDTN differential pressure transmitter (firmware 1.1) BACnet points list
Updated 6 November 2026
PDTN measures one or two differential pressures and can calculate airflow from them (K-factor formulas). Over RS485 it speaks EXOline, Modbus or BACnet MS/TP. The variable list gives 91 BACnet objects: pressure and flow per channel, range/unit/formula settings, zero calibration, analogue output values with comm-loss defaults, and display settings.
This page lists 91 BACnet objects for the Regin Presigo PDTN differential pressure transmitter (firmware 1.1) — 79 of them writable — with each object’s type, instance number, name, engineering units and access. It is re-typed from Regin’s own free documentation, linked below.
- Manufacturer
- Regin
- Model
- Presigo PDTN differential pressure transmitter (firmware 1.1)
- Equipment
- Differential pressure / airflow sensor (transmitter)
- Equipment type
- Thermostats, sensors & meters
- BACnet objects
- 91 (79 writable)
- Transport
- BACnet MS/TP
- Firmware
- 1.1-1-00
- Also known as
- PDTN, Presigo PDTN, PDTN 1.1-1-00, Regin PDTN
Reference only, provided as-is: verify against Regin’s current documentation and the live device before use. Not official Regin information. Terms of use.
BMS integration notes: Regin Presigo PDTN differential pressure transmitter (firmware 1.1)
Read AV 10002 PS_1_pressure (and AV 10003 for channel 2) or the calculated flows AV 10004 / AV 10005. Set the units, range and flow formula once at commissioning.
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 10002 | PS_1_pressure | Channel 1 pressure, unit per MV 10003 | Read |
| AV 10004 | PS_1_flow | Channel 1 calculated flow | Read |
| AV 10003 | PS_2_pressure | Channel 2 pressure, unit per MV 10004 | Read |
| AV 10005 | PS_2_flow | Channel 2 calculated flow | Read |
Network setup
- Port 1 (RS485) protocol, baud rate and format are MV 9001 / 9101 / 9201; write BV 9001 CommCommit = 1 to apply them.
- BV 10001 / BV 10002 PS_x_set_zero run a zero calibration when written to 1.
Watch out for
- Range, unit and formula objects are configuration; do not write them cyclically.
Regin Presigo PDTN differential pressure transmitter (firmware 1.1) 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 | |||||
|---|---|---|---|---|---|---|
| PIV | 9011 | Wink | Wink for this amount of time in seconds | Write | ||
| BV | 9001 | CommCommit | Commit communication settings, set to 1 to commit port settings | Write | ||
| MV | 9001 | Port1Mode | Comm | Write | 1=PORT_MODE_INACTIVE, 3=PORT_MODE_EXOLINE_SLAVE, 14=PORT_MODE_BACNET, 16=PORT_MODE_MODBUS_SLAVE, 22=PORT_MODE_EXOLINE_MODBUS_SLAVE | |
| MV | 9101 | Port1Baud | Comm | Write | 1=UART_BAUD_9600, 3=UART_BAUD_2400, 4=UART_BAUD_1200, 16=UART_BAUD_19k2, 18=UART_BAUD_38k4, 19=UART_BAUD_57k6, 21=UART_BAUD_115k2, 22=UART_BAUD_230k4, 23=UART_BAUD_460k8, 26=UART_BAUD_921k6, 27=UART_BAUD_1M, 28=UART_BAUD_250k | |
| MV | 9201 | Port1Format | Comm | Write | 17=UART_FORMAT_8N1, 25=UART_FORMAT_8N2, 49=UART_FORMAT_8E1, 57=UART_FORMAT_8E2, 113=UART_FORMAT_8O1, 121=UART_FORMAT_8O2 | |
| AV | 1104 | Pressure_1_override | Override value | Write | ||
| BV | 1004 | Pressure_1_override_en | Set to 1 to enable override | Write | ||
| AV | 1105 | Pressure_2_override | Override value | Write | ||
| BV | 1005 | Pressure_2_override_en | Set to 1 to enable override | Write | ||
| AV | 1201 | Output_Channel_1_value | Value in % set for output | % | Write | |
| AV | 1301 | Output_Channel_1_default | Default value if communication is lost | % | Write | |
| AV | 1401 | Output_Channel_1_converted | Actual value on the output pin in Volt or milliampere | V | Read | |
| AV | 1501 | Output_Channel_1_override | Override value | % | Write | |
| BV | 1401 | Output_Channel_1_override_en | Set to 1 to enable override | Write | ||
| AV | 1202 | Output_Channel_2_value | Value in % set for output | % | Write | |
| AV | 1302 | Output_Channel_2_default | Default value if communication is lost | % | Write | |
| AV | 1402 | Output_Channel_2_converted | Actual value on the output pin in Volt or milliampere | V | Read | |
| AV | 1502 | Output_Channel_2_override | Override value | % | Write | |
| BV | 1402 | Output_Channel_2_override_en | Set to 1 to enable override | Write | ||
| AV | 8001 | Disp_BrightnessFull | Display brightness, full (%) | % | Write | |
| AV | 8011 | Disp_BrightnessDim | Display brightness, dimmed (%) | % | Write | |
| AV | 8021 | Disp_TimeFull | Display time in full mode | s | Write | |
| AV | 8031 | Disp_TimeDim | Display time in dimmed mode | s | Write | |
| PIV | 10004 | PS_display_value_time_ms | This is the time in milliseconds (ms) that the value is shown | ms | Write | |
| PIV | 10005 | PS_display_unit_time_ms | This is the time in milliseconds (ms) that the unit is shown | ms | Write | |
| PIV | 10006 | PS_display_split_time_ms | This is the time in milliseconds (ms) that the display is off | ms | Write | |
| MV | 10000 | PS_display_mode | Used to set the display layout | Write | 1=DUAL_ROW, 2=SINGLE_ROW | |
| PIV | 10007 | PS_display_channel_time_ms | This is the time in milliseconds (ms) that the channel is shown | ms | Write | |
| PIV | 10008 | PS_display_text_time_ms | Time the custom text is shown, ms | ms | Write | |
| MV | 11000 | ps_text_font | What font to use for the display text | Write | ||
| MV | 11001 | PS_display_text_scroll_mode | Scroll mode | Write | ||
| BV | 10003 | PS_display_text_replace_chn_tag | In single row, replace the CHx tag with this text | Write | ||
| AV | 11000 | PS_display_text_scroll_speed | Time in ms between scrolling one pixel | ms | Write | |
| AV | 10026 | ext_value_1 | Can be used as @15# or @16# in custom text | Write | ||
| AV | 10027 | ext_value_2 | Can be used as @15# or @16# in custom text | Write | ||
| AV | 10028 | ext_value_nonvolatile_3 | Can be used as @17# or @18# in custom text | Write | ||
| AV | 10029 | ext_value_nonvolatile_4 | Can be used as @17# or @18# in custom text | Write | ||
| BV | 10000 | Adaptive_Display_Time | Adaptive Time for Display: Activate the adaptive time display for single row | Write | ||
| MV | 10001 | PS_1_range | Range Selected by switch | Write | 1=Set Zero output, 2=Range 1, 3=Range 2, 4=Range 3, 5=Range 4, 6=Range 5, 7=Range 6, 8=Range 7, 9=Range 8, 10=Range 9, 11=Custom, 21=Disable Mapping | |
| AVmin | 10002 | PS_1_pressure | Current pressure in the selected unit | Read | ||
| AVmin | 10004 | PS_1_flow | Current flow in the selected unit | Read | ||
| MV | 10003 | PS_1_unit | Used to convert the pressure sensor output value to the preferred unit | Write | 1=PA, 2=KPA, 3=PSI, 4=MBAR, 5=INCH_WC, 6=MM_WC | |
| MV | 10005 | PS_1_flow_unit | Used to convert the pressure sensor output value to the preferred unit | Write | 1=M3_H, 2=M3_S, 3=L_S, 4=CFM | |
| MV | 10007 | PS_1_flow_formula | The formula used to calculate the flow from the measured pressure | Write | 1=COMMON_KfactorXsqrt(P), 2=ALT1_KfactorXsqrt(2xP)/Air, 3=ALT2_1/KfactorXsqrt(P) | |
| AV | 10006 | PS_1_flow_k_factor | The K factor used in the flow calculation | Write | ||
| AV | 10008 | PS_1_flow_air_density | Air density used on some flow calculations | Write | ||
| MV | 10009 | PS_1_display_unit | Used to set the displayed value in the display | Write | 1=None, 2=PA, 3=KPA, 4=PSI, 5=MBAR, 6=INCH_WC, 7=MM_WC, 8=M3_H, 9=M3_S, 10=L_S, 11=CFM | |
| AV | 10010 | PS_1_display_value | Used to read the value currently displayed | Read | ||
| AV | 10012 | PS_1_MaxPressure | This variable contains maximum measurable pressure in Pascal [Pa] for the selected | Pa | Read | |
| AV | 10014 | PS_1_MinPressure | This variable contains minimum measurable pressure in Pascal [Pa] for the selected | Pa | Read | |
| AV | 10016 | PS_1_display_resolution | Share of the sensor range used, % | Write | ||
| AV | 10018 | PS_1_resolution | Share of the sensor range used, % | Write | ||
| MV | 10011 | PS_1_display_extra_unit | Used to set an additional value to be displayed for this channel | Write | 1=None, 2=PA, 3=KPA, 4=PSI, 5=MBAR, 6=INCH_WC, 7=MM_WC, 8=M3_H, 9=M3_S, 10=L_S, 11=CFM | |
| AV | 10020 | PS_1_display_extra_value | Used to read the value currently displayed extra value | Write | ||
| AV | 10022 | PS_1_MapMaxPressure | Used for custom Mapping och analog output range | Write | ||
| AV | 10024 | PS_1_MapMinPressure | Used for custom Mapping och analog output range | Write | ||
| BV | 10001 | PS_1_set_zero | Write 1 to start a zero calibration | Write | ||
| CSV | 11000 | PS_1_text_row | String to show on row 1 in the display | Write | ||
| MV | 10002 | PS_2_range | Range Selected by switch | Write | 1=Set Zero output, 2=Range 1, 3=Range 2, 4=Range 3, 5=Range 4, 6=Range 5, 7=Range 6, 8=Range 7, 9=Range 8, 10=Range 9, 11=Custom, 21=Disable Mapping | |
| AVmin | 10003 | PS_2_pressure | Current pressure in the selected unit | Read | ||
| AVmin | 10005 | PS_2_flow | Current flow in the selected unit | Read | ||
| MV | 10004 | PS_2_unit | Used to convert the pressure sensor output value to the preferred unit | Write | 1=PA, 2=KPA, 3=PSI, 4=MBAR, 5=INCH_WC, 6=MM_WC | |
| MV | 10006 | PS_2_flow_unit | Used to convert the pressure sensor output value to the preferred unit | Write | 1=M3_H, 2=M3_S, 3=L_S, 4=CFM | |
| MV | 10008 | PS_2_flow_formula | The formula used to calculate the flow from the measured pressure | Write | 1=COMMON_KfactorXsqrt(P), 2=ALT1_KfactorXsqrt(2xP)/Air, 3=ALT2_1/KfactorXsqrt(P) | |
| AV | 10007 | PS_2_flow_k_factor | The K factor used in the flow calculation | Write | ||
| AV | 10009 | PS_2_flow_air_density | Air density used on some flow calculations | Write | ||
| MV | 10010 | PS_2_display_unit | Used to set the displayed value in the display | Write | 1=None, 2=PA, 3=KPA, 4=PSI, 5=MBAR, 6=INCH_WC, 7=MM_WC, 8=M3_H, 9=M3_S, 10=L_S, 11=CFM | |
| AV | 10011 | PS_2_display_value | Used to read the value currently displayed | Read | ||
| AV | 10013 | PS_2_MaxPressure | This variable contains maximum measurable pressure in Pascal [Pa] for the selected | Pa | Read | |
| AV | 10015 | PS_2_MinPressure | This variable contains minimum measurable pressure in Pascal [Pa] for the selected | Pa | Read | |
| AV | 10017 | PS_2_display_resolution | Share of the sensor range used, % | Write | ||
| AV | 10019 | PS_2_resolution | Share of the sensor range used, % | Write | ||
| MV | 10012 | PS_2_display_extra_unit | Used to set an additional value to be displayed for this channel | Write | 1=None, 2=PA, 3=KPA, 4=PSI, 5=MBAR, 6=INCH_WC, 7=MM_WC, 8=M3_H, 9=M3_S, 10=L_S, 11=CFM | |
| AV | 10021 | PS_2_display_extra_value | Used to read the value currently displayed extra value | Write | ||
| AV | 10023 | PS_2_MapMaxPressure | Used for custom Mapping och analog output range | Write | ||
| AV | 10025 | PS_2_MapMinPressure | Used for custom Mapping och analog output range | Write | ||
| BV | 10002 | PS_2_set_zero | Write 1 to start a zero calibration | Write | ||
| CSV | 11001 | PS_2_text_row | String to show on row 2 in the display | Write | ||
| MV | 11002 | rt_fb_visability | When to show the custom frame buffer | Write | ||
| AV | 11001 | rt_fb_timeleft | Time to show the custom frame buffer | s | Write | |
| AV | 11002 | rt_fb_row0 | Frame buffer data for row 0 on the display | Write | ||
| AV | 11003 | rt_fb_row1 | Frame buffer data for row 1 on the display | Write | ||
| AV | 11004 | rt_fb_row2 | Frame buffer data for row 2 on the display | Write | ||
| AV | 11005 | rt_fb_row3 | Frame buffer data for row 3 on the display | Write | ||
| AV | 11006 | rt_fb_row4 | Frame buffer data for row 4 on the display | Write | ||
| AV | 11007 | rt_fb_row5 | Frame buffer data for row 5 on the display | Write | ||
| AV | 11008 | rt_fb_row6 | Frame buffer data for row 6 on the display | Write | ||
| AV | 11009 | rt_fb_row7 | Frame buffer data for row 7 on the display | Write | ||
| AV | 11010 | rt_fb_row8 | Frame buffer data for row 8 on the display | Write | ||
| AV | 11011 | rt_fb_row9 | Frame buffer data for row 9 on the display | Write | ||
| AV | 11012 | rt_fb_row10 | Frame buffer data for row 10 on the display | Write |
No points match these filters.
Object ID lookup: Regin Presigo PDTN differential pressure transmitter point IDs by name
PIV9011WinkBV9001CommCommitMV9001Port1ModeMV9101Port1BaudMV9201Port1FormatAV1104Pressure_1_overrideBV1004Pressure_1_override_enAV1105Pressure_2_overrideBV1005Pressure_2_override_enAV1201Output_Channel_1_valueAV1301Output_Channel_1_defaultAV1401Output_Channel_1_convertedAV1501Output_Channel_1_overrideBV1401Output_Channel_1_override_enAV1202Output_Channel_2_valueAV1302Output_Channel_2_defaultAV1402Output_Channel_2_convertedAV1502Output_Channel_2_overrideBV1402Output_Channel_2_override_enAV8001Disp_BrightnessFullAV8011Disp_BrightnessDimAV8021Disp_TimeFullAV8031Disp_TimeDimPIV10004PS_display_value_time_msPIV10005PS_display_unit_time_msPIV10006PS_display_split_time_msMV10000PS_display_modePIV10007PS_display_channel_time_msPIV10008PS_display_text_time_msMV11000ps_text_fontMV11001PS_display_text_scroll_modeBV10003PS_display_text_replace_chn_tagAV11000PS_display_text_scroll_speedAV10026ext_value_1AV10027ext_value_2AV10028ext_value_nonvolatile_3AV10029ext_value_nonvolatile_4BV10000Adaptive_Display_TimeMV10001PS_1_rangeAV10002PS_1_pressureAV10004PS_1_flowMV10003PS_1_unitMV10005PS_1_flow_unitMV10007PS_1_flow_formulaAV10006PS_1_flow_k_factorAV10008PS_1_flow_air_densityMV10009PS_1_display_unitAV10010PS_1_display_valueAV10012PS_1_MaxPressureAV10014PS_1_MinPressureAV10016PS_1_display_resolutionAV10018PS_1_resolutionMV10011PS_1_display_extra_unitAV10020PS_1_display_extra_valueAV10022PS_1_MapMaxPressureAV10024PS_1_MapMinPressureBV10001PS_1_set_zeroCSV11000PS_1_text_rowMV10002PS_2_rangeAV10003PS_2_pressureAV10005PS_2_flowMV10004PS_2_unitMV10006PS_2_flow_unitMV10008PS_2_flow_formulaAV10007PS_2_flow_k_factorAV10009PS_2_flow_air_densityMV10010PS_2_display_unitAV10011PS_2_display_valueAV10013PS_2_MaxPressureAV10015PS_2_MinPressureAV10017PS_2_display_resolutionAV10019PS_2_resolutionMV10012PS_2_display_extra_unitAV10021PS_2_display_extra_valueAV10023PS_2_MapMaxPressureAV10025PS_2_MapMinPressureBV10002PS_2_set_zeroCSV11001PS_2_text_rowMV11002rt_fb_visabilityAV11001rt_fb_timeleftAV11002rt_fb_row0AV11003rt_fb_row1AV11004rt_fb_row2AV11005rt_fb_row3AV11006rt_fb_row4AV11007rt_fb_row5AV11008rt_fb_row6AV11009rt_fb_row7AV11010rt_fb_row8AV11011rt_fb_row9AV11012rt_fb_row10
Integration notes
- Taken from Regin's variable list (xlsx), "Default BACnet name", "Object type", "Instance", "Unit" and "Writeable" columns; the same file lists the EXOline and Modbus addresses.
- Names follow the variable list's "Default BACnet name" column. Regin's EDE file for 1.1-1-00 uses other, upper-case names (for example AO1_VALUE for AV 1201 Output_Channel_1_value) and puts most PS1/PS2 settings on the same instance (10000), so it can't be used as an object list.
- AV 10002/10003 pressures are in the unit set by MV 10003/10004; flows follow MV 10005/10006.
- Multistate state texts come from the EDE file where the object could be matched by name.
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 Presigo PDTN differential pressure transmitter (firmware 1.1) 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 Regin Presigo PDTN differential pressure transmitter (firmware 1.1)
How many BACnet points does the Regin Presigo PDTN differential pressure transmitter (firmware 1.1) have?
This list has 91 BACnet objects: 55 analog values, 9 binary values, 19 multi-state values, 2 characterstring values, 6 positive integer values. The exact set on a given unit depends on its firmware, installed options and configuration.
Which Regin Presigo PDTN differential pressure transmitter (firmware 1.1) BACnet points are writable?
79 of the 91 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 Regin Presigo PDTN differential pressure transmitter (firmware 1.1) BACnet documentation?
The source is PDTN - 1.1-1-00 Variable list (variables_pdtn_1.1-1-00 (Revision A)), published free by Regin at https://www.regincontrols.com/globalassets/pimmediafiles/documents/variables_pdtn_1.1-1-00.xlsx.
What are the minimum BACnet points to integrate the Regin Presigo PDTN differential pressure transmitter (firmware 1.1)?
Start with AV 10002 PS_1_pressure (Channel 1 pressure, unit per MV 10003); AV 10004 PS_1_flow (Channel 1 calculated flow); AV 10003 PS_2_pressure (Channel 2 pressure, unit per MV 10004); AV 10005 PS_2_flow (Channel 2 calculated flow).
How do I check these points on the real Presigo PDTN differential pressure transmitter (firmware 1.1)?
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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Regin Regio RCX room controller (firmware 2.1)
Regin Regio RCX room controllers with firmware 2.1 (fan coil, radiator, chilled beam and VAV applications).
Also known as: RCX, Regio RCX, RCX-..., RCX 2.1-1-xx, Regin RCX - Room sensor / transmitter
Regin Regio RTX room transmitter (firmware 2.0)
Regin Regio RTX room transmitters (temperature, CO2, humidity, VOC, presence) with firmware 2.0.
Also known as: RTX, Regio RTX, RTX-2.0-1-02, Regin RTX - Room sensor / operator unit
Regin Regio RUX room unit / display (firmware 2.1)
Regin Regio RUX room units (temperature, CO2, humidity, VOC sensing with display) with firmware 2.1.
Also known as: RUX, Regio RUX, RUX 2.1-1-xx, Regin RUX - Room controller (chilled beam, radiator, VAV damper)
Regin RegioArdo two-room controller (dampers, chilled beams, radiators)
Regin RegioArdo 24 V AC pre-programmed two-room controllers for dampers, chilled beams and radiators, used with ED-RU room units.
Also known as: Regio Ardo, RegioArdo, Regio Ardo 2.0 - Fan coil room controller
Regin RegioEedo fan coil room controller
Regin RegioEedo 230 V AC pre-programmed fan coil controllers, used with ED-RU room units.
Also known as: Regio Eedo, RegioEedo, Regio Eedo 2.0
Source: PDTN - 1.1-1-00 Variable list · variables_pdtn_1.1-1-00 (Revision A). Object names, instances and units are reproduced as published; descriptions are our own.