Sentera RSMFX-3 Manual de usuario

RSMFX-3 MULTIFUNCTIONAL CO2

ROOM TRANSMITTER

Mounting and operating instructions

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RSMFX-3 MULTIFUNCTIONAL CO2ROOM

TRANSMITTER

Table of contents

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 & OPERATING INSTRUCTIONS IN STEPS 6

OPERATING INSTRUCTIONS 8

VERIFICATION OF INSTALLATION 9

TRANSPORT AND STORAGE 9

WARRANTY AND RESTRICTIONS 10

MAINTENANCE 10

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RSMFX-3 MULTIFUNCTIONAL CO2ROOM

TRANSMITTER

SAFETY AND PRECAUTIONS

Read all the information, the datasheet, Modbus Register 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.

Forsafetyandlicensing(CE)reasons,unauthorisedconversionand/ormodiﬁcations

of the product are inadmissible.

e 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. is product can only be installed by an

engineer or a technician who has expert knowledge of the product and the safety

precautions.

Avoid contact 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.

Recyclingofequipmentandpackagingshouldbetakenintoconsiderationandthese

shouldbedisposedofinaccordancewithlocalandnational legislation/regulations.

In case there are any questions that are not answered, please contact your

technical support or consult a professional.

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RSMFX-3 MULTIFUNCTIONAL CO2ROOM

TRANSMITTER

PRODUCT DESCRIPTION

e RSMFX-3 series are multifunctional room transmitters which measure

temperature, relative humidity, CO2concentration levels and ambient light. ey

feature a wide range of low voltage power supply and three analogue / modulating

outputs for temperature, relative humidity and CO2. All parameters are accessible

via Modbus RTU.

ARTICLE CODE

Article code Supply Imax Connection type

RSMFG-2R 24 VDC 80mA Terminal block24 VAC ±10% 120 mA

RSMFF-2R 24 VDC 80 mA

INTENDED AREA OF USE

■Monitoring temperature, relative humidity and CO2levels in HVAC applications

■Suitable for residential and commercial buildings

■For indoor use only

TECHNICAL DATA

■3 analogue / modulating outputs:

►0—10 VDCmode: min. load 50 kΩ (RL≥ 50 kΩ)

►0—20 mA: max. load 500 Ω (RL≤ 500 Ω)

►PWM (open-collectortype): PWM Frequency: 1 kHz,min. load 50 kΩ (RL≥50 kΩ);

PWM voltage level 3,3 VDC or 12 VDC

■CO2sensor stabilising time: 35 seconds

■Ambient light sensor with adjustable ‘active’ and ‘standby’ level

■3 LEDs for status indication with adjustable light intensity

■Accuracy: ±0,4 °C (5—50 °C); ±3 % rH (20—80 % rH); ±50 ppm CO2 ± 2,5 % of

reading (400—2.000 ppm CO2); ±50 ppm CO2 ± 3 % of reading (1.001—2.000 ppm

CO2); ±50 ppm CO2 ±5 % of reading(2.001—5.000 ppm CO2)

■Enclosure:

►rear plate: plastic ABS, black (RAL 9004)

►front cover: ASA, ivory (RAL 9010)

■Protection standard: IP30 (according to EN 60529)

■Typical range of use:

►temperature: 0—50 °C

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

►CO2: 400—2.000 ppm

■Storage temperature: -10—60 °C

STANDARDS

■EMC directive 2014/30/EU:

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

use - Part 1: General requirements

►EN 61000-6-1:2007 Electromagnetic compatibility (EMC) - Part 6-1: Generic

standards-Immunityforresidential,commercialandlightindustrialenvironments

►EN 61000-6-3:2007 Electromagnetic compatibility (EMC) - Part 6-3: Generic

standards - Emission standard for residential, 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

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RSMFX-3 MULTIFUNCTIONAL CO2ROOM

TRANSMITTER

laboratory use - EMC requirements - Part 2-3: Particular requirements Test

conﬁguration, operational conditions and performance criteria

■Low Voltage Directive 2014/35/EU

►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 -

Part 1: General requirements

■WEEE 2012/19/EC

■RoHs Directive 2011/65/EC

►EN IEC 63000:2018 Technical documentation for the assessment of electrical

and electronic products with respect to the restriction of hazardous substances

OPERATIONAL DIAGRAMS

Analogue /

modulating output

1 [%]

100

0 Min

range

Max

range

50 T [°C]

Analogue /

modulating output

2 [%]

100

0Min

range

Max

range

100 rH [%]

Analogue /

modulating output

3 [%]

100

0Min

range

Max

range

5.000 CO2 [ppm]

LED indication of CO2sensor (default setting)

100

Alert 1

level

Alert 2

level

Analogue /

modulating

output [%]

CO2 [ppm]

LED indication of temperature and humidity sensor

100

Minimum

range

Minimum

alert

Maximum

alert

Analogue /

modulating

outputs [%]

T [°C] / rH [%]

Maximum

range

Out of range

Alert range

Within range

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RSMFX-3 MULTIFUNCTIONAL CO2ROOM

TRANSMITTER

WIRING AND CONNECTIONS

Article type RSMFF-3 RSMFG-3

VIN 18—34 VDC 18—34 VDC 15—24 VAC ±10%

GND Ground Common ground AC ~

AModbus RTU (RS485), signal A Modbus RTU (RS485), signal A

/B Modbus RTU (RS485), signal /B Modbus RTU (RS485), signal /B

AO1 Analogue / modulating output 1 for temperature

measurement (0—10 VDC / 0—20 mA / PWM) Analogue / modulating output 1 for temperature

measurement (0—10 VDC / 0—20 mA / PWM)

GND Ground AO1 Common ground

AO2 Analogue / modulating output 2 for relative humidity

measurement (0—10 VDC / 0—20 mA / PWM) Analogue / modulating output 2 for relative humidity

measurement (0—10 VDC / 0—20 mA / PWM)

GND Ground AO2 Common ground

AO3 Analogue / modulating output 3 for CO2

measurement (0—10 VDC / 0—20 mA / PWM) Analogue / modulating output 3 for CO2

measurement (0—10 VDC / 0—20 mA / PWM)

GND Ground AO3 Common ground

Connections Spring contact terminal blocks, cable cross section: 1,5 mm2

ATTENTION e -F version of the product is not suited for 3-wire connection. It has separate

grounds for power supply and analogue output. Connecting both grounds together

might result in incorrect measurements. Minimum 4 wires are required to connect

-F type sensors.

e -G version is intended for 3-wire connection and features a ‘common ground’.

is 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 might cause

permanent damage to the connected devices.

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, etc.).

ATTENTION Mount the sensor in a well-ventilated area where it receives adequate airﬂow

for proper operation and hide it from direct sunlight. Make sure it can be easily

accessed for service.

Follow these steps:

1. Using a ﬂat screwdriver, remove the front white cover by releasing the snap-ﬁts

on both sides (see Fig. 1 Snap-ﬁts release).

2. Insert the cables through the opening on the rear plate (see Fig. 2 Mounting

dimensions.)

3. Using suitable fastening materials (not supplied), position the room sensor

at least 1,5 m from the ﬂoor. Mind the correct mounting position and unit

dimensions. See Fig. 2 and Fig. 3.

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RSMFX-3 MULTIFUNCTIONAL CO2ROOM

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Fig. 1 Snap-ﬁts release Fig. 2 Mounting dimensions

Push here to

release

2x Ø 6

59,8

9,8

74,5

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

Analogue output 1 - T

Analogue output 2 - rH

Analogue output 3 - CO2

5. Put back the cover and snap it in.

6. Switch on the mains supply.

7. Customise the factory settings to the desired ones via the 3SModbus software

or SenteraWeb. For the default factory setting see the Modbus register map of

the product.

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RSMFX-3 MULTIFUNCTIONAL CO2ROOM

TRANSMITTER

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

ТX

NBT

Slave 2

Master

Slave n

Slave 1

Slave 2

Slave 1

ТX

NBT

Master

Slave n

NOTE On a Modbus RTU network, two bus terminators (NBTs) need to be activated.

NOTE For the complete Modbus register data, see the Modbus Register Map of the

product. is is a separate document linked to the article code on the website

containing the list of registers. Products with earlier ﬁrmware versions may not be

compatible with this list.

OPERATING INSTRUCTIONS

Calibration procedure:

No relative humidity and temperature calibration is necessary.

Sensor calibration is not necessary. All sensor elements are calibrated and tested in

our factory.

e CO2sensor element is self-calibrating to compensate sensor drift. By default,

the ABC logic self-calibrating algorithm is enabled. is algorithm is designed to

be used in applications where CO2concentrations will drop to outside ambient

conditions (400 ppm) at least once a week, typically during unoccupied periods. It is

advisable to disable the self-calibrating algorithm in situations where the CO2level

will not drop to 400 ppm within the mentioned period.

Firmware update

New functionalities and bug ﬁxes are made available via a ﬁrmware update. In

case your device does not have the latest ﬁrmware installed, it can be updated.

SenteraWeb is the easiest way to update the ﬁrmware of the unit. In case you do not

have an internet gateway available, the ﬁrmware can be updated via the 3SM boot

application (part of the Sentera 3SMcenter software suite).

NOTE Make sure the power supply does not get interrupted during the “bootload”

procedure, otherwise you risk losing unsaved data.

LED indications

1. When the green LED is on, measured temperature or relative humidity value is

within the alert range’s minimum and maximum values or the CO2level is below

Alert 1 level. (Fig. 5 - 1).

2. When the yellow LED is on, the measured temperature or relative humidity value

is in the alert range or the CO2value is higher than or equal to Alert 1 level.

e yellow LED blinks when Modbus communication is terminated and Holding

e LED stops blinking once the Modbus communication has been restored.

For Modbus safety timeout, alert yellow LED indication takes precedence over

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RSMFX-3 MULTIFUNCTIONAL CO2ROOM

TRANSMITTER

blinking yellow LED.

3. When the red LED is on, the measured temperature or relative humidity value is

below or equal to the minimum measurement range value or above or equal to

the maximum value or when the measured CO2level is higher than or equal to

Alert 2 level (Fig. 5 - 3).

Blinking red LED indicates loss of communication with a sensor (Fig. 5 - 3).

NOTE When the sensor is in bootloader mode, the green and yellow LEDs ﬂash

alternately. During the ﬁrmware download, the red LED is ﬂashing additionally.

Fig. 5 LED indications

NOTE By default, the LED indication refers to CO2measurements. is can be changed

to temperature or relative humidity values via Modbus Holding Register 79 (see

Table Holding registers).

NOTE e intensity of the LEDs can be adjusted between 0 and 100 % with a step of 10

% according to the value set in Holding register 80.

Ambient light sensor

e measured light intensity in lux is available in Input Register 41. Additionally,

an active and standby level can be deﬁned in Holding registers 35 and 36. If the

measured value is below the standby level, above the active level, or somewhere in

between, Input Register 42 will indicate that:

■Ambient light level < standby level: Input Register 42 indicates “Standby”.

■Ambient light level > active level: Input Register 42 indicates “Active”.

■Standby level < Ambient light level < Active level: Input Register 42 indicates “Low

intensity”.

VERIFICATION OF INSTALLATION

One of the LEDs lights up after the power is turned on, depending on the status of

the variable being measured. Check the connections if this is not the case.

TRANSPORT AND STORAGE

Avoid shocks and extreme conditions; stock in original packing.

WARRANTY AND RESTRICTIONS

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RSMFX-3 MULTIFUNCTIONAL CO2ROOM

TRANSMITTER

e warranty against manufacturing ﬂaws is valid for two years starting from

the date of delivery. Any alterations or adjustments to the product absolve the

manufacturer of all liability. e manufacturer disclaims all liability for typographical

or other errors in this document.

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 these

circumstances the unit should be disconnected from the supply. Pay attention that

no ﬂuids enter the unit. Only reconnect it to the supply when it is completelydry.

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