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MIW-RTVS1-EN-000 - 03 / 11 / 2020

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MOUNTING INSTRUCTIONS IN STEPS

Before you start mounting the unit, read carefully 

Safety and Precautions”

 and 

follow these steps. Choose a smooth solid surface for installation (a wall, panel, 
etc.).

Follow these steps:

1. 

 Unscrew the front cover and open the enclosure. Mind the flat cable that connect 
the LEDs with the printed circuit board. 

2. 

 Fix the unit onto the wall or panel using the provided screws and dowels. Mind the 
correct mounting position and unit mounting dimensions. (See

 Fig. 1

 

Mounting 

dimensions

 and 

Fig. 2

 

Mounting position

.)

3. 

 Pay attention to the following instructions in order to minimize the operating 
temperature:

3.1 

 Respect the distances both between the wall / ceiling and the device and 
between  two devices as shown in 

Fig. 2. 

In order to ensure sufficient 

ventilation of the controller, clearance on every side has to be maintained.

3.2 

 When installing the device, please keep in mind that the higher you install  
it, the warmer the device will get. For example, in a technical room the 
correct installation height can be of great importance. Do not install the 
controller above heating equipment or heat sources.

3.3 

 If maximum ambient temperature cannot be adhered to, please provide 
extra forced ventilation / cooling. 

Not respecting the abovelisted rules can reduce service life and relieves the 

manufacturer of any responsibilities.

Fig. 1 Mounting dimensions 

Fig. 2 Mounting position

200

280

305

140

120

Correct

Incorrect

50 

mm

50 mm

50 mm

100 

mm

75 mm

 

4. 

 Insert the cables through the cable glands and do the wiring according to the 
wiring diagram (see 

Fig. 3

) while adhering to the information from section 

Wiring and connections

” above. 

4.1 

Connect the power supply line (terminals L, N marked as INPUT and Pe);

4.2 

 Connect the motor terminals (L and N marked as MOTOR and Pe);

4.3 

  If applicable, connect the unregulated output (L and N marked as RELAY). 
The relay output contacts are Normal Open (NO) type - 16 A resistive with 
230 VAC supply. The functionality of the unregulated output can be selected 
via Modbus through Holding register 19. By default, the unregulated output 

TRANSFORMER FAN SPEED CONTROLLER WITH 
MODBUS RTU COMMUNICATION

RTVS1

Содержание RTVS1

Страница 1: ...Mounting and operating instructions TRANSFORMER FAN SPEED CONTROLLER WITH MODBUS RTU COMMUNICATION RTVS1 ...

Страница 2: ...SCRIPTION 4 ARTICLE CODES 4 INTENDED AREA OF USE 4 TECHNICAL DATA 4 STANDARDS 4 WIRING AND CONNECTIONS 5 MOUNTING INSTRUCTIONS IN STEPS 6 OPERATING INSTRUCTIONS 9 VERIFICATION OF INSTALLATION 11 TRANSPORT AND STORAGE 12 WARRANTY AND RESTRICTIONS 12 MAINTENANCE 12 TRANSFORMER FAN SPEED CONTROLLER WITH MODBUS RTU COMMUNICATION RTVS1 ...

Страница 3: ...t is as dry as possible avoid condensation All installations shall comply with local health and safety regulations and local electrical standards and approved codes This product can only be installed by an engineer or a technician who has expert knowledge of the product and safety precautions Avoid contacts with energised electrical parts Always disconnect the power supply before connecting servic...

Страница 4: ...mounted Selection can be made via RTVS1 Modbus holding register 20 TECHNICAL DATA Supply voltage 230 VAC 50 60 Hz Modbus RTU communication TK monitoring for thermal motor protection Operating modes Automatic from low to high or from high to low Fan speed based on input from external Sentera sensor or potentiometer connected to the RJ45 master socket Manual Fan speed based on user input via Modbus ...

Страница 5: ... be activated manually via Modbus Holding register 14 or automatically in case of an RTVS1 alarm L N INPUT Power supply neutral L Power supply phase 230 VAC 50 60 Hz TK Input TK monitoring for thermal motor protection TK RJ45 master socket to connect a Sentera HVAC transmitter for demand based fan speed control in automatic mode Pin 1 24 VDC Supply voltage Pin 2 Pin 3 A Modbus RTU communication si...

Страница 6: ...he warmer the device will get For example in a technical room the correct installation height can be of great importance Do not install the controller above heating equipment or heat sources 3 3 If maximum ambient temperature cannot be adhered to please provide extra forced ventilation cooling Not respecting the abovelisted rules can reduce service life and relieves the manufacturer of any respons...

Страница 7: ...the 3SModbus software or Sensistant For the default factory setting see the Modbus register map The desired fan speed can be adjusted via Modbus holding register 14 For the complete Modbus register data refer to the product Modbus Register Map which is a separate document attached to the article code on the website and contains the registers list NOTE Optional settings 1 In automatic mode a Senter...

Страница 8: ...lled on your computer The Modbus to USB converter CNVT USB RS485 allows you to connect a Sentera device to the USB port of your computer and to monitor or adjust the different parameters see Application examples 1 and 2 Application example 1 Manual mode control via Modbus holding register 14 CNVT USB RS485 Master RTVS1 A B GND Application example 2 Automatic mode demand based ventilation RTVS1 Sla...

Страница 9: ...orward mode 3 1 Manual mode The value is taken by Holding Register 12 where you can set the desired output step see the steps and corresponding voltages in Table 1 above 3 2 Automatic modes When Auto mode has been selected the controller changes the five speeds automatically according to the values measured by the sensor connected to the RJ45 master socket There are two automatic modes 3 2 1 Autom...

Страница 10: ... diagram below for an example with steps from 2 to 5 An example of Auto Reverse mode the steps threshold configuration is as follows Step 1 0 Step 2 75 Step 3 50 Step 4 25 Step 5 1 can be as low as 0 1 is given in Fig 5 below When the Input value is above 1 device switches to Step 5 above 25 Step 4 above 50 Step 3 above 75 Step 2 up to 100 When the Input value decreases the hysteresis delta is sub...

Страница 11: ... the sensor if sensor is lost the article stays on the last step selected If both communications are lost device stays on the last step selected In Auto modes if there is no communication to the control monitoring station the article continues to operate autonomously while the sensor is connected 18 Sensor output register value number Select which sensor output will be used as input to the device ...

Страница 12: ...n manufacturing Any modifications or alterations to the product after the date of publication relieve the manufacturer of any responsibilities The manufacturer bears no responsibility for any misprints or mistakes in this data MAINTENANCE In normal conditions this product is maintenance free If soiled clean with a dry or damp cloth In case of heavy pollution clean with a non aggressive product In ...

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