Application
Control strategy
Operating modes
Analogue - variable operation (V): Setpoint input via analogue interface, signal voltage range corresponds to qvmin – qvmax
Analogue - fixed value operation (F): no setpoint signal required, setpoint corresponds to qvmin
Interface
Communication interface
Analogue interface with adjustable signal voltage range
Note
Signal voltage ranges
When using the analogue interface
Parts and characteristics
Construction
Commissioning
Useful additions
Adjustment device type GUIV3-M (order code AT-VAV-G3)
VAV terminal units control the volume flow in a closed loop, i.e. measurement - comparison - correction. This is done via a differential pressure sensor. An integral differential pressure transducer converts the effective pressure into a voltage signal. The factory setting is such that 10 V DC correspond to the nominal volume flow rate (qvnom). The volume flow rate setpoint value defaults from a higher-level controller (e.g. room temperature controller, air quality controller, central BMS). Variable volume flow control results in a value between qvmin and qvmax. It is possible to override the room temperature control, e.g. by a complete shut-off of the duct. The controller compares the volume flow rate setpoint value to the actual value and controls the integral actuator accordingly.
Category
Application
Supply voltage
Actuator
Integral; slow-running (running time 100 s for 90°)
Installation orientation
Interface/signalling
Connection
Interface information
Special functions
Parameter setting
Factory condition
TVE | – | D | / | 200 | / | D2 | / | XS0 | / | V | 0 | / | qvmin | – | qvmax | m³/h |
| | | | | | | | | | | | | | | | | | ||||||||
1 | 2 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | ||||||||
Order example: TVE/100/D2/XS0/M/20-350 m³/h
Acoustic cladding | Without |
Material | Galvanised sheet steel |
Nominal size | 100 mm |
Accessories | Double lip seal both sides |
Attachment | Compact controller Modbus, static transducer |
Operating mode | Modbus RTU |
Volume flow rate | 20 – 350 m³/h |
Compact controller for VAV terminal units
Part number | Type of installation component | VAV terminal units |
A00000069231 | TR0VM-024T-05I-DS10-MB | TVE, TVE-Q |
Compact controller TR0VM-024T-05I-DS10-MB
Type of measurement/installation orientation | static measuring principle, position-independent |
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 7 VA TVE-Q up to height 200: maximum 4 VA TVE-Q from height 300: maximum 7 VA |
Power rating (DC) | TVE-Q up to height 200: maximum 2.5 W TVE-Q from height 300: maximum 4 W TVE NW 100 - 160: maximum 2.5 W TVE NW 200 - 400: maximum 4 W |
Power consumption (when running/when idle) | 1 W |
Run time for 90° | 100 s |
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 | Modbus RTU, RS485 |
Number of nodes | 128 |
Adjustable communication parameters | 1200 – 115,200 Bd Start bit: 1 Data bits: 8 Stop bits: 1 or 2 Parity: None, Even, Odd |
Setpoint / actual value interface (Modbus) | via Modbus register list |
Cable termination | externally required |
Interface configuration of the control component
Depending on the setting, the Modbus communication interface or the analogue interface for the setpoint value specification of volume flows are available here. The so-called interface mode is preset at the factory according to the order key and can be adjusted on site by setting via the menu navigation or the Modbus registers.
,Typical interface configuration
XS0 | Setpoint value default setting via: | Actual values via: | corresponds to order key option | Menu configuration (Mode) |
Analogue operation | analogue 0 - 10 V | analogue 0 - 10 V | V or F | CA0 |
Analogue operation | analogue 2 - 10 V | analogue 2 - 10 V | V or F | CA2 |
Modbus operation | Modbus register setpoint | Modbus register actual value or analogue 2 - 10 V | M | CB |
Through special configuration of the Modbus register Interface-Mode, mixed operations of Modbus and analogue operation can be configured. See the description of the interface mode in Modbus register 122.
Supplementary use of the Modbus interface in analogue mode
In analogue mode, only the setpoints at the analogue input are evaluated by the controller. A setpoint specification via the Modbus interface (register 0) is not possible. Any write attempts are acknowledged with an error response. Regardless of the selected interface configuration, however, the other Modbus registers can be used. In this way, the operating values of the actual volume flow rate and damper position can be read out from a higher-level building management system (BMS) with local control using an analogue signal via a connected Modbus, or central override controls can also be triggered.
,,
Communication interface Modbus RTU (operating mode M)
Register | Meaning | Access right | Storage |
0 | Volume flow setpoint [%] Reference: Vmin – Vmax (qvmin – qvmax) Resolution: 0 – 10000 Volume flow setpoint: 0.00 - 100.00% | R, W | RAM |
1 | Activation of an override control; 0 = none; 1 = Open; 2 = Close; 3 = Vmin; 4 = Vmax | R, W | RAM |
2 | Command triggering 0 = none; 1 = adaptation; 2 = test run; 4 = controller reset | R, W | RAM |
4 | Current damper blade position [%] Resolution: 0 – 10000 Damper blade position: 0.00 – 100.00% | R | RAM |
5 | Current damper blade position [°] Reference: without decimal places | R | RAM |
6 | Current actual volume flow [%] Resolution: Vnom Resolution: 0 – 10000 Actual volume flow rate: 0.00 - 100.00% | RAM | |
7 | Actual volume flow rate in volume flow rate unit [m³/h], [l/s], [cfm] according to register 201 | R | RAM |
8 | Voltage at analogue input Y [mV] | R | RAM |
20 | Volume flow setpoint | R, W | RAM |
103 | Firmware version | R | Flash |
104 | Status information (Bit = 1 active; Bit = 0 inactive) Bit 5 mechanical overload Bit 8 internal activity e.g. test run, adaptation Bit 10 bus timeout monitoring triggered | R | RAM |
105 | Operating range limitation: Operating parameter Vmin (qvmin) [%] Resolution: Vnom Resolution: 0 – 10000 Vmin: 0.00 – 100.00% | R, W | EEPROM |
106 | Operating range limitation: Operating parameter Vmax (qvmax) [%] Resolution: Vnom Resolution: 0 – 10000 Vmax: 0.00 – 100.00% | R, W | EEPROM |
108 | Behaviour on bus failure (bus time-out); 0 = nothing; 1 = closed; 2 = open; 3 = qvmin; 5 = qvmax | R, W | EEPROM |
109 | Setting bus time-out [s] | R, W | EEPROM |
120 | Definition of operating range: operating parameters Vmin (qvmin) in volume flow rate unit [m³/h], [l/s], [cfm] according to register 201 | R, W | EEPROM |
121 | Definition of operating range: operating parameters Vmax (qvmax) in volume flow rate unit [m³/h], [l/s], [cfm] according to register 201 | R, W | EEPROM |
122 | Interface definition (Interface mode) For assignment see separate table | R, W | EEPROM |
130 * | Modbus address (device address) | R, W | EEPROM |
201 | Volume flow rate unit 0 = l/s; 1 = m³/h; 6 = cfm | R, W | EEPROM |
231 | Setting of mode: Bit 0 defines the characteristic of the analogue interface. Bit 0 = 0 characteristic: 0 – 10 V Bit 0 = 1 characteristic: 2 – 10 V Bit 4 defines the actual value signal as actual volume flow rate or damper position. Bit 4 = 0 Actual volume flow rate Bit 4 = 1 Damper blade position All other bits must not be changed. | R, W | EEPROM |
233 | Nominal flow rate [m3 /h] (Vnom): | R | EEPROM |
568 | Modbus parameter kit communication settings: baud rate, parity, stop bits, assignment see separate table | R, W | EEPROM |
569 | Modbus communication settings: Modbus Response Time = 10 ms + delay; with delay= 3 ms × register value 0 - 255 | R, W | EEPROM |
572 | Setting of switching threshold for override control CLOSE via control signal for signal voltage range 2 – 10 V: Setting range 0.5 V – 1.8 V Default value 0.8V (register value = 20) Resolution: 1 setting unit = 40mV | R, W | EEPROM |
* Factory setting: Modbus address 1
R = register readable
R,W = register readable and writable
RAM = register value volatile
EEPROM = register value not volatile, but permanently stored (maximum 1 million write operations)
Note:
All registers from register number 100 onwards with storage in the EEPROM are not designed for cyclical write access, e.g. by the building management system. Cyclic write operations are only permitted on registers with storage in RAM.
Detailed information on register 122 (communication interface setpoint/actual value - interface mode)
Register value | Signal input | Feedback signal |
0 | analogue (0) 2 - 10 V | (0)2 – 10 V |
1 | Modbus via Register 0 | (0)2 – 10 V |
2 | Modbus via Register 0 | Register 10 |
3 | qv | Modbus-RTU-Schnittstelle |
Detailed information on register 568 (Modbus communication parameters)
Register value | Display setting value | Baud rate | Parity | Stop bits |
0 | 1 | 1200 | None | 2 |
1 | 2 | 1200 | straight | 1 |
2 | 3 | 1200 | odd | 1 |
3 | 4 | 2400 | None | 2 |
4 | 5 | 2400 | straight | 1 |
5 | 6 | 2400 | odd | 1 |
6 | 7 | 4800 | None | 2 |
7 | 8 | 4800 | straight | 1 |
8 | 9 | 4800 | odd | 1 |
9 | 10 | 9600 | None | 2 |
10 | 11 | 9600 | straight | 1 |
11 | 12 | 9600 | odd | 1 |
12 | 13 | 19200 | None | 2 |
13 | 14 | 19200 | straight | 1 |
14 | 15 | 19200 | odd | 1 |
15 ** | 16 | 38400 | None | 2 |
16 | 17 | 38400 | straight | 1 |
17 | 18 | 38400 | odd | 1 |
18 | 19 | 1200 | None | 1 |
19 | 20 | 2400 | None | 1 |
20 | 21 | 4800 | None | 1 |
21 | 22 | 9600 | None | 1 |
22 | 23 | 19200 | None | 1 |
23 | 24 | 38400 | None | 1 |
24 | 25 | 76800 | None | 1 |
25 | 26 | 115200 | None | 1 |
26 | 27 | 76800 | None | 2 |
27 | 28 | 76800 | straight | 1 |
28 | 29 | 76800 | odd | 1 |
29 | 30 | 115200 | None | 2 |
30 | 31 | 115200 | straight | 1 |
31 | 32 | 115200 | odd | 1 |
** Factory setting: Modbus communication parameters
CommissioningNote on the type of static transmitter used
After installation, wiring and connection of the supply voltage
Observe volume flow control ranges
Display functions
Parameter setting
Diagnosis functions
Use and description of the display
Pressing the LED button (< 3 s) selects the next menu item (1) - (6). The selected menu item can be changed by pressing the LED push button for more than 3 s. Changing is done with the rotary selector switch. Pressing the LED push button again (< 3 s) confirms the selected value. If no entry is made for ≥ 60 s, the system returns to menu item 1.
Table 1: Description of the menu items① Flow | Display of actual values or operating states. Setting of the volume flow unit m³/h, l/s, cfm. |
② Vmin | Setting qvmin |
③ Vmax | Setting qvmax |
④ DIAG | Display of control signal and feedback signal alternately in [V], |
⑤ MODE | Selection of the operating mode: |
⑥ COM | Setting the Modbus address: 1 - 247 and the baud rate, parity, stop bits: 1 (b1) - 32 (b32) |
Note on MODE setting:
For the control component XM0-J6 or XS0-J6, only the mode setting CB2 is useful, as setpoint input and actual value return as analogue signal are not available on the RJ12 connection socket of these control components.
Description of status LEDs and error messages
LED flashing signal | Status | Display |
---|---|---|
no power supply connected | ||
Service tool plugged in. | ||
Undervoltage detected. | ||
TROX service technicians provide information. | ||
Drive overload detected (block) * | ||
Synchronisation drive after Power Up * | ||
Test mode enabled * | ||
Overpressure sensor (Overpressure) * | ||
Setpoint or forced control position not yet reached (display changes between e.g. Hi = high and actual value) * | ||
Forced control position reached | ||
Offset: Is signalled as long as the drive does not rotate to readjust the setpoint value * |
Notes:
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Tél .: +49 (0) 2845 2020 | Fax: +49 (0) 2845 202265