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Compact controller XM0 for TVE and TVE-Q
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Bus interface Modbus RTU

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Control component for type TVE

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VAV control unit variant TVE-Q-P1 (powder-coated)

Control component for type TVE-Q

Control component for type TVE-Q

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XS0_img_01png.png
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XM0

CONTROL COMPONENT WITH DYNAMIC TRANSDUCER AND MODBUS RTU INTERFACE


Compact device for VAV control unit TVE and TVE-Q

  • Controller, dynamic differential pressure transducer and actuator in one casing
  • Use in ventilation and air conditioning systems, only with clean air
  • Simple terminal connection without the use of additional junction boxes
  • Volume flow rates qvmin and qvmax are pre-set at the factory and saved in the controller asvariable parameters
  • High data transparency via standardised bus communication Modbus RTU, RS485
  • Setpoint specifications, override controls via bus interface or analogue wiring, depending on configuration
  • Integrated display for volume flow rate display, operating status display and setting of operating parameters
  • Service access for manual adjustment devices and PC configuration software

General information

Application

  • Complete control unit for VAV terminal units type TVE and TVE-Q
  • Dynamic effective pressure transducer, electronic controller and actuator are fitted together in one casing
  • For clean air in ventilation and air conditioning systems
    • The standard filtration enables use in the supply air without additional dust protection measures
    • Application examples: Offices and classrooms
  • In the event of a strong occurrence of dust, install appropriate exhaust air filters upstream, as a partial volume flow is routed through the transducer for volume flow rate measurement.
  • If the air is heavily contaminated with dust, fluff, sticky, moist components, an attachment with a static differential pressure transmitter must be used, e.g. XS0
    • Application examples: Exhaust air from changing rooms and shower areas, hospital bed rooms
  • Various control options based on setpoint value default setting
  • Volume flow rate control is based on setpoint values received from room temperature controller, MCE, air quality controller or other devices as an analogue signal or via communication interface
  • Override controls for activating qvmin, qvmax, shut-off, open position via Modbus register or switch or relay possible
  • The actual volume flow rate is available as a network data point or as a linear voltage signal
  • Damper position, e.g. for fan optimisation, is available as a network data point


Control strategy

  • The volume flow controller works independent of the duct pressure
  • Differential pressure fluctuations do not result in permanent volume flow rate changes
  • To prevent the control from becoming unstable, a dead band is allowed which is not moved by the damper blade
  • The flow rate range for the controller is set at the factory 
    • qvmin: minimum volume flow rate, qvmax: maximum volume flow rate
  • Operating parameters are set at the factory according to the order code


Operating modes

Modbus (M):

  • Setpoint value default setting via Modbus register

Analogue - variable operation (V):

  • The setpoint value is set via the analogue interface, the signal voltage range corresponds to qvmin to qvmax

Analogue - fixed value operation (F):

  • A setpoint signal is not required, setpoint value corresponds to qvmin


Interface

Communication interfaces

  • Modbus RTU, RS485, see Modbus register list for data points

Analogue interface with adjustable signal voltage range

  • Analogue signal for volume flow setpoint
  • Analogue signal for actual volume flow rate (factory setting)
  • Alternatively: analogue signal for damper position (on-site conversion required)

Note:

  • Interface type according to order code detail Operating mode is factory parameterised, on-site conversion possible


Signal voltage ranges

When using the analogue interface:

  • 0 – 10 V DC
  • 2 – 10 V DC


Parts and characteristics

  • Transducer for dynamic pressure measurements
  • Overload proof actuator
  • Terminals with cover
  • Display and control elements for easy menu navigation
  • Menu navigation for adjusting operating parameters
  • Menu navigation for customising the communication interface
  • Service interface


Construction

  • TR0VM-024T-10I-DD15-MB
  • Can only be used for type TVE and TVE-Q


Commissioning

  • As the volume flow rates are factory set, the terminal units have to be installed at the specified locations
  • Analogue interface: ready for use after installation and wiring
  • Modbus interface: additional commissioning steps required after installation and wiring
  • Operating parameters can be customised on site (via bus interface, display operation, setting device or PC software)


Useful additions

  • Adjustment device type GUIV3-M (order code AT-VAV-G3)
  • PC software

Technical information

  • FUNCTION
  • TECHNICAL DATA
  • SPECIFICATION TEXT
  • ORDER CODE
XS0_dia_01ai.png

1 Differential pressure transducer
2 Actuator
3 Volume flow controller
4 Setpoint value via BACnet, Modbus or analogue signal
5 Shaft with effective pressure channel

Air terminal units control the volume flow in a closed loop. This means: measurement – comparison – adjustment. The volume flow rate is obtained by measuring a differential pressure. This is effected via a differential pressure sensor. The integrated differential pressure transducer converts the differential pressure into a voltage signal. The actual volume flow rate is available as a voltage signal. Due to factory adjustment, 10 V DC always corresponds to the nominal flow rate (qvnom). The volume flow setpoint is specified by a higher-level controller (e.g. room temperature controller, air quality controller, MCE). Variable volume flow control can be set between qvmin and qvmax. It is possible to override the room temperature control by forced switching, e.g. for a shut-off The controller compares the volume flow setpoint with the current actual value and adjusts the internal actuator according to the control deviation.

Compact controller XM0 for TVE and TVE-Q XM0_mit_Kappe_querpsd_02

Compact controller for VAV terminal units

Part number

Type of installation component

VAV terminal units

A00000082303

TR0VM-024T-10I-DD15-MB

TVE, TVE-Q


TR0VM-024T-10I-DD15-BN

Type of measurement/installation orientation

Dynamic measurements, any installation orientation

Supply voltage (AC)

24 V AC, ± 20 %, 50/60 Hz

Supply voltage (DC)

24 V DC ± 20 %


Power rating (AC)

TVE NW 100 - 160: maximum 4 VA

TVE NW 200 - 400: maximum 6 VA TVE-Q up to height 200: maximum 4 VA

TVE-Q from height 300: maximum 6 VA


Power rating (DC)

TVE NW 100 - 160: maximum 2.5 W

TVE NW 200 - 400: maximum 3 W

TVE-Q up to height 200: maximum 2.5 W

TVE-Q from height 300: maximum 3 W

Power consumption (when running/when idle)

1 W

Setpoint value signal input (analogue optional)

0 - 10 V DC, input resistance > 100 kΩ

or 2 - 10V DC Ra> 50 kΩ

Actual value signal output

0 - 10 V DC or 2 - 10 V DC; maximum 5 mA

IEC protection class

III (Protective extra-low voltage)

Protection level

IP 42 (with attached terminal cover)

EC conformity

EMC to 2014/30/EU

Bus connection

RS485, Modbus RTU

Number of nodes (bus participants)

128


Adjustable communication parameters for Modbus RTU

Baud rate adjustable: 1200, 2400, 4800, 9600, 19200, 38400,

76800, 115200 baud

Start bit: 1

Data bits: 8

Stop bits adjustable: 1 or 2

Parity: adjustable: None, Even, Odd

Setpoint / actual value interface

Modbus operation: via Modbus register list

Bus termination

externally required (120 Ω)

This specification text describes the general characteristics of the product.

Category

  • Compact controller for volume flow rate


Application

  • Control of a constant or variable volume flow rate setpoint
  • Electronic controller for connecting a reference value and tapping an actual value for integration into a Modbus-based MCE
  • The actual value relates to the nominal volume flow rate so that commissioning and subsequent adjustment are simplified


Area of application

  • Dynamic transducer for clean air in ventilation and air conditioning systems


Actuator

  • Integrated; slow-running (run time 100 s for 90°)


Installation orientation

  • Either direction


Connection

  • Terminals with cover by rubber cap, therefore no additional terminal box required
  • Double terminal for supply voltage for easy wiring of up to 3 controllers


Supply voltage

  • 24 V AC/DC


Interface/signalling

  • Modbus RTU (RS485) or alternatively analogue signal 0 - 10 V DC or 2 - 10 V DC parameterised at the factory depending on the order option
  • Interface type parameterised at the factory using order code


Interface information

  • Modbus: among other things, volume flow setpoint and actual value signal, damper position, override control
  • Alternative: Volume flow setpoint and actual value signal as analogue signal


Special functions

  • Clearly visible external indicator light for signalling the functions: Set, not set, and power failure
  • Display for actual values, parameterisation and for test functions
  • Activation of override control functions qvmin, qvmax, Closed, Open via bus interface
  • External switching contacts/wiring (with analogue interface)


Parameter setting

  • Specific parameters for VAV terminal unit are factory-set
  • Operating values: qvmin, qvmaxFactory-set interface type
  • Subsequent customisation via display and control element directly on the device or with optional tools: Adjustment device, PC software (cable connection in each case)


Factory condition

  • Functional test under air using reference measurement on a regularly validated test bench in accordance with EN ISO 9001 to check the function and control accuracy of the complete volume flow controller
  • Adjustment of the device-specific parameters under air by reference measurement on a regularly validated test bench in accordance with EN ISO 9001
  • The test report of the factory parameterisation, functional test and adjustment must be made available after delivery of the volume flow controller


Equivalence criteria

  • Electrical connections with screw terminals, no additional terminal boxes required
  • The test report of the factory parameterisation, functional test and adjustment under air by reference measurement on a regularly validated test bench in accordance with EN ISO 9001 is made available
TVE – D / 200 / D2 / XM0 / V0 / 100 – 500 m³/h
||||||||
125678910

1 Type

TVE VAV air terminal unit

2 Acoustic cladding
No entry: without acoustic cladding

D with acoustic cladding

3 Material

No entry: galvanised sheet steel
P1 Surface powder-coated, RAL 7001 (silver grey)

A2 Stainless steel construction

5 Nominal size [mm]

100, 125, 160, 200, 250, 315, 400

6 Accessories
No entry: without accessories

D2 Double lip seal both ends

G2 Matching flanges both ends

7 Attachments (control component)
XM0 Compact controller dynamic transducer, Modbus RTU, display

8 Operating mode
F Constant value mode, one setpoint value (no external switch contact)
V Variable operation (default setpoint value from analogue signal)
M Modbus RTU interface, variable operation (setpoint value specification in Modbus register)

9 Signal voltage range

(only with operating mode F, V)

0 0 – 10 V DC

2 2 – 10 V DC

10 Operating values for factory setting

Volume flow rate [m³/h or l/s]
qvconst (only with operating mode F)

qvmin – qvmax (only with operating mode V, M)



Order example: TVE-D/200/D2/XM0/V0/100-500[m³/h]

TypeTVE – VAV terminal unit
Acoustic claddingwith acoustic cladding
Materialgalvanised sheet steel
Nominal size [mm]200
AccessoriesDouble lip seal, both ends
Attachment (control component)Compact controller dynamic transducer, Modbus RTU, display
Operating modevariable operation (setpoint specification via analogue signal)
Signal voltage range0 – 10 V DC
Operating values for factory setting100 – 500 [m³/h]
 

Downloads

product information

  • Product data sheet control components XM0

    XM0_PD_2025_03_04_DE_en Product data sheet 580 KB pdf

certificates

  • Konformitätserklärung / Declaration of conformity TVE-XM0XS0XB0EASY

    TVE-XM0XS0XB0EASY_CE_01_2020_07_30--2-_de_en_fr Certificate 190 KB pdf

operation manuals

  • Installation and commissioning instructions XM0 | XS0

    XM0_XS0-Compact_IM_A00000088381_V2_2022_02_GB_en Installation and commissioning instructions 1,4 MB pdf
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