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MIW-RSMFH-2R-EN-000 - 19 / 02 / 2020

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SAFETY AND PRECAUTIONS

Read all the information, the datasheet, Modbus register maps, 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 our technical 
support or consult a professional.

 

 

RSMFH-2R

MULTIFUNCTIONAL 
ROOM TRANSMITTER 

Summary of Contents for RSMFH-2R

Page 1: ...Mounting and operating instructions RSMFH 2R MULTIFUNCTIONAL ROOM TRANSMITTER ...

Page 2: ...ES 4 INTENDED AREA OF USE 4 TECHNICAL DATA 4 STANDARDS 5 OPERATIONAL DIAGRAMS 5 WIRING AND CONNECTIONS 6 MOUNTING OPERATING INSTRUCTIONS IN STEPS 6 OPERATING INSTRUCTIONS 9 VERIFICATION OF INSTALLATION INSTRUCTIONS 10 TRANSPORT AND STORAGE 10 WARRANTY AND RESTRICTIONS 10 MAINTENANCE 10 RSMFH 2R MULTIFUNCTIONAL ROOM TRANSMITTER ...

Page 3: ... 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 c...

Page 4: ... load 50 kΩ RL 50 kΩ 0 20 mA mode max load 500 Ω RL 500 Ω PWM open collector type mode PWM Frequency 1 kHz min load 50 kΩ RL 50 kΩ PWM voltage level 3 3 VDC or 12 VDC Selectable temperature range 0 50 C Selectable relative humidity range 5 85 Selectable CO2 range 0 2 000 ppm Ambient light sensor with adjustable active and standby level Replaceable CO2 sensor element 3 LEDs for status indication Ac...

Page 5: ...al commercial and light industrial environments Amendments A1 2011 and AC 2012 to EN 61000 6 3 EN 61326 1 2013 Electrical equipment for measurement control and laboratory use EMC requirements Part 1 General requirements EN 61326 2 3 2013 Electrical equipment for measurement control and laboratory use EMC requirements Part 2 3 Particular requirements Test configuration operational conditions and pe...

Page 6: ...C 0 20 mA PWM GND Ground AO3 The unit needs to be supplied via the RJ45 connector or via the connection terminals Do not connect the device via the RJ45 connector and the terminal block simultaneously MOUNTING OPERATING INSTRUCTIONS IN STEPS Before you start mounting the unit read carefully Safety and Precautions Choose a smooth surface for installation a wall panel and etc Follow these steps 1 Us...

Page 7: ... 9 8 74 5 104 5 20 104 5 25 6 70 5 Fig 3 Mounting position Correct Incorrect Position at min 1 5 m from the floor 4 Do the wiring according to the wiring diagram see Fig 4 Fig 4 Wiring and connections Correct connections 24 VDC GND A B Output 1 T Output 2 rH Output 3 CO2 Output 1 T Output 2 rH Output 3 CO2 24 VDC GND A B RSMFH 2R MULTIFUNCTIONAL ROOM TRANSMITTER ...

Page 8: ...cument attached to the article code on the website and contains the registers list Products with earlier firmware versions may not be compatible with this list NOTE 5 Optional settings To assure correct communication the NBT needs to be activated in only two devices on the Modbus RTU network If necessary enable the NBT resistor via 3SModbus or Sensistant Holding register 9 Example 1 Example 2 RX Т...

Page 9: ...easured value temperature relative humidity or CO2 is in the alert range Fig 5 2 3 When the red LED is on the measured value temperature relative humidity or CO2 is below the minimum measurement range value or above the maximum value Blinking red LED indicates loss of communication with a sensor Fig 5 3 Fig 5 LED indications 3 2 1 NOTE By default the LED indication refers to temperature measuremen...

Page 10: ...gainst defects in 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 aggres...

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