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MIW-FCMFX-R-EN-000 - 29 / 05 / 2021

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FCMFX-R

INTELLIGENT CO

2

 SENSOR

PRODUCT DESCRIPTION

The FCMFX-R series are intelligent sensors featuring adjustable temperature, 
relative humidity and CO

2

 ranges. The used algorithm controls a single analogue / 

modulating output based on the measured T, rH and CO

2

 values, which can be used 

to directly control an EC fan, an AC fan speed controller or an actuator powered 
damper. All parameters are accessible via Modbus RTU.

ARTICLE CODE

Article code

Supply

Imax

FCMFG-R

18—34 VDC 

90 mA

15—24 VAC ±10% 

180 mA

FCMFF-R

18—34 VDC

90 mA

INTENDED AREA OF USE

 

  Demand controlled ventilation based on temperature, relative humidity and CO

2

 

Suited for residential and commercial buildings

 

For indoor use only

TECHNICAL DATA

 

Spring contact terminal blocks

 

Analogue / modulating output type: 

 

0—10 VDC mode: R

L

 ≥ 50 kΩ

 

0—20 mA mode: R

L

 ≤ 500 Ω

 

 PWM (open-collector type) mode: PWM Frequency: 1 kHz, min, R

L

 ≥ 50 kΩ; PWM 

voltage level 3,3 or 12 VDC

 

Selectable temperature range: 0—50 °C

 

Selectable relative humidity range: 0—100 %

 

Selectable CO

2

 range: 0—2.000 ppm 

 

Replaceable CO

2

 sensor element

 

3 LEDs with adjustable light intensity for status indication

 

 Accuracy: ±0,4 °C (range: 0—50 °C); ±3 % rH (range: 0—100 % rH); ±30 ppm CO

2

  

(range: 400—2.000 ppm), depending on the selected parameter

 

Inset or surface mounting

 

Enclosure:

 

internal: plastic RABS, black

 

external: ABS, white

 

cover: ASA, white

 

Protection standard: IP30 (according to EN 60529)

 

Typical range of use: 

 

temperature: 0—50 °C

 

rel. humidity: 0—95 % rH (non-condensing)

 

CO

2

: 400—2.000 ppm

 

Storage temperature: -10—60 °C

STANDARDS

 

Low Voltage Directive 2014/35/EC

 

 EN 60529:1991 Degrees of protection provided by enclosures (IP Code) 
Amendment AC:1993 to EN 60529

 

 EN 60730-1:2011 Automatic electrical controls for household and similar use -  

Summary of Contents for FCMF R Series

Page 1: ...FCMFX R INTELLIGENT CO2 SENSOR Mounting and operating instructions ...

Page 2: ...ents SAFETY AND PRECAUTIONS 3 PRODUCT DESCRIPTION 4 ARTICLE CODE 4 INTENDED AREA OF USE 4 TECHNICAL DATA 4 STANDARDS 4 OPERATIONAL DIAGRAMS 5 WIRING AND CONNECTIONS 6 MOUNTING INSTRUCTIONS IN STEPS 6 OPERATING INSTRUCTIONS 9 VERIFICATION OF INSTALLATION 10 TRANSPORT AND STORAGE 10 WARRANTY AND RESTRICTIONS 10 MAINTENANCE 10 ...

Page 3: ...duct 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 discon...

Page 4: ...ntact terminal blocks Analogue modulating output type 0 10 VDC mode RL 50 kΩ 0 20 mA mode RL 500 Ω PWM open collector type mode PWM Frequency 1 kHz min RL 50 kΩ PWM voltage level 3 3 or 12 VDC Selectable temperature range 0 50 C Selectable relative humidity range 0 100 Selectable CO2 range 0 2 000 ppm Replaceable CO2 sensor element 3 LEDs with adjustable light intensity for status indication Accur...

Page 5: ...uirements 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 performance criteria WEEE 2012 19 EC RoHs Directive 2011 65 EC OPERATIONAL DIAGRAMS AO1 max range AO1 min range 60 40 100 0 rH Min range 0 0 0 CO2 Min range CO2 Max range Max Min T Min...

Page 6: ...re required to connect F type sensors The G version is intended for 3 wire connection and features a common ground This means that the ground of the analogue output is internally connected with the ground of the power supply For this reason G and F types cannot be used together on the same network Never connect the common ground of G type articles to other devices powered by a DC voltage Doing so ...

Page 7: ...ounting dimensions inset mounting Fig 3 Mounting position 38 15 58 82 82 89 76 58 58 52 Correct Incorrect Position at min 1 5 m from the floor 5 Put back the frame cover of the enclosure and secure it with the screws 6 Switch on the power supply 7 Customise the factory settings to the desired ones via the 3SModbus software or the Sensistant configurator For the default factory settings see the Mod...

Page 8: ...ngs to the desired ones via the 3SModbus software or the Sensistant configurator For the default factory settings see the Modbus register map of the product 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 ТX NBT NBT ...

Page 9: ...te NOTE Make sure the power supply does not get interrupted during bootload procedure otherwise you risk losing unsaved data LED indications 1 When the green LED is on the measured value temperature relative humidity or CO2 is between the minimum and maximum alert range values Fig 6 2 When the yellow LED is on the measured value temperature relative humidity or CO2 is in the alert range Fig 6 The ...

Page 10: ...tive level Input Register 42 indicates Low intensity VERIFICATION OF INSTALLATION After switching on the power supply one of the LEDs lights up according to the status of the measured variable If this is not the case check the connections TRANSPORT AND STORAGE Avoid shocks and extreme conditions stock in original packing WARRANTY AND RESTRICTIONS Two years from the delivery date against defects in...

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