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FT-RDF18+ RS485 Modbus
Room sensor temperature and humidity, flush mounting at ceiling
Datasheet
Subject to technical alteration
Issue date: 12.05.2022 • A121
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APPLICATION

Ceiling sensor for unobtrusive humidity and temperature measurement in the ceiling area of room and office spaces. Designed for control and
monitoring applications.
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TYPES AVAILABLE

Ceiling sensor temperature + humidity – active BUS
FT-RDF18+ RS485 Modbus
Ceiling sensor with display temperature + humidity – active BUS
FT-RDF18+ LCD RS485 Modbus
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SECURITY ADVICE – CAUTION
The installation and assembly of electrical equipment should only be performed by authorized personnel.
The product should only be used for the intended application. Unauthorised modifications are prohibited! The product must not
be used in relation with any equipment that in case of a failure may threaten, directly or indirectly, human health or life or result
in danger to human beings, animals or assets. Ensure all power is disconnected before installing. Do not connect to live/operating
equipment.
Please comply with
Local laws, health & safety regulations, technical standards and regulations
Condition of the device at the time of installation, to ensure safe installation
This data sheet and installation manual
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PRODUCT TESTING AND CERTIFICATION

Declaration of conformity
The declaration of conformity of the products can be found on our website https://www.thermokon.de/
Thermokon Sensortechnik GmbH, Platanenweg 1, 35756 Mittenaar, Germany · tel: +49 2778 6960-0 fax: -400 www.thermokon.com· email@thermokon.com
FT-RDF18+_RS485_Modbus_Datasheet_en.docx © 2022

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Summary of Contents for Thermokon FT-RDF18+

  • Page 1 PRODUCT TESTING AND CERTIFICATION Declaration of conformity The declaration of conformity of the products can be found on our website https://www.thermokon.de/ Thermokon Sensortechnik GmbH, Platanenweg 1, 35756 Mittenaar, Germany · tel: +49 2778 6960-0 fax: -400 www.thermokon.com· email@thermokon.com FT-RDF18+_RS485_Modbus_Datasheet_en.docx © 2022...
  • Page 2 In case of a fixed operating voltage (±0,2 V) this is normally done by adding or reducing a constant offset value. Thermokon transducers can be operated with variable operating voltages. The transducers are set at the factory with a reference operating voltage of 24 V =.
  • Page 3 Modbus addresses: USE-RS485 Modbus Interface A detailed description of the Modbus addresses can be found under the following link: → Download Thermokon Sensortechnik GmbH, Platanenweg 1, 35756 Mittenaar, Germany · tel: +49 2778 6960-0 fax: -400 www.thermokon.com· email@thermokon.com FT-RDF18+_RS485_Modbus_Datasheet_en.docx © 2022...
  • Page 4 » NOTES ON DISPOSAL As a component of a large-scale fixed installation, Thermokon products are intended to be used permanently as part of a building or a structure at a pre-defined and dedicated location, hence the Waste Electrical and Electronic Act (WEEE) is not applicable.

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