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MIW-SDX-DM-EN-000 - 17 / 06 / 2021

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SDX-DM

ELECTRONIC FAN SPEED 
CONTROLLER

SAFETY AND PRECAUTIONS

Read all the information, the datasheet, Modbus map, mounting and operating 
instructions and study the wiring and connection diagram before working with the 
product. For personal and equipment safety, and for optimum product performance, 
make sure you entirely understand the contents before installing, using or maintaining 
this product.

For safety and licensing (CE) reasons, unauthorised conversion and / or modifications 
of the product are inadmissible.

The product should not be exposed to abnormal conditions, such as extreme 
temperatures, direct sunlight or vibrations. Long-term exposure to chemical 
vapours in high concentration can affect the product performance. Make sure the 
work environment 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, servicing or repairing the product.

Always verify that you apply appropriate power supply to the product and use 
appropriate wire size and characteristics. Make sure that all the screws and nuts 
are well tightened and fuses (if any) are fitted well.

Recycling of equipment and packaging should be taken into consideration and these 
should be disposed of in accordance with local and national legislation / regulations.

In case there are any questions that are not answered, please contact your 
technical support or consult a professional.

Summary of Contents for SDX-DM Series

Page 1: ...SDX DM ELECTRONIC FAN SPEED CONTROLLER Mounting and operating instructions ...

Page 2: ...ROLLER Table of contents SAFETY AND PRECAUTIONS 3 PRODUCT DESCRIPTION 4 ARTICLE CODES 4 INTENDED AREA OF USE 4 TECHNICAL DATA 4 STANDARDS 4 OPERATIONAL DIAGRAMS 5 WIRING AND CONNECTIONS 5 MOUNTING INSTRUCTIONS IN STEPS 6 OPERATING INSTRUCTIONS 8 TRANSPORT AND STORAGE 8 WARRANTY AND RESTRICTIONS 8 MAINTENANCE 8 ...

Page 3: ...product performance Make sure the work environment 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 dis...

Page 4: ...ed output to motor Umin Us Minimum and maximum output voltage are adjustable via Modbus RTU communication Vmin 20 70 of Us and Vmax 75 100 of Us Overheating protection Operating mode selectable via Modbus RTU from low to high speed or from high to low speed Enclosure External ASA white colour 28049P IP54 protection according to EN 60529 Internal polyamide natural colour IP44 protection according t...

Page 5: ...en output overwrite is enabled the desired output value can be written in Modbus Holding register 13 In that case it is advisable also to activate Modbus safety timeout by writing a value different from 0 in Holding register 8 After the time out period elapses the output is forced to the minimum output value If timeout is set to zero this function is disabled ATTENTION Overheating protection is ac...

Page 6: ...ove the cover of the external enclosure 4 Do the wiring according to the wiring diagram see Fig 1 Wiring and connections 5 Mount the internal enclosure into the wall according to the mounting dimensions shown in Fig 2 Mounting dimensions inset mounting Fig 1 Wiring and connections Power Supply 230 VAC 50 60 Hz Regulated output to motor Modbus RTU communication Fig 2 Mounting dimensions Inset mount...

Page 7: ...the surface by means of the screws and dowels adhering to the mounting dimensions shown in Fig 3 Mounting dimensions surface mounting Fig 3 Mounting dimensions surface mounting 64 64 82 89 63 5 82 Correct Incorrect 5 Insert the cables through the grommets 6 Do the wiring according to the wiring diagram see Fig 1 Wiring and connections 7 Insert the internal enclosure into the external one and fix i...

Page 8: ...he controller is not overheated the Modbus communication is available all connections are correct the machine to be regulated is functioning TRANSPORT AND STORAGE Avoid shocks and extreme conditions stock in original packing WARRANTY AND RESTRICTIONS Two years from the delivery date against defects in manufacturing Any modifications or alterations to the product after the date of publication relie...

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