Sentera Controls RSMFH-3 Manuale utente

RSMFH-3 MULTIFUNCTIONAL CO2

ROOM TRANSMITTER

Mounting and operating instructions

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RSMFH-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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RSMFH-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 using the

product. For personal and equipment safety, and for optimum product performance,

make sure you entirely understand the content before installing, using or maintaining

this product.

Unauthorised conversion and/or modiﬁcation of the product is not permitted for

safety and licensing (CE) reasons.

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 and avoid condensation.

All installations shall comply with local health and safety regulations, 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 of the

safety precautions.

Avoid contact with energised electrical parts. Always disconnect the power supply

before connecting, servicing or repairing the product.

Always ensure that the product is powered properly and that the wire size and

characteristics are appropriate. Make sure that all the screws and nuts are well

tightened and fuses (if any) are ﬁtted well.

Recyclingofequipmentandpackagingshouldbetakenintoconsiderationandthese

shouldbedisposedofinaccordance withlocaland nationallegislation/regulations.

If you have any further questions, please contact your technical support or consult

a professional.

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RSMFH-3 MULTIFUNCTIONAL CO2ROOM

TRANSMITTER

PRODUCT DESCRIPTION

e RSMFH-3 series are multifunctional room transmitters which measure CO2

concentration levels, temperature, relative humidity and ambient light. ey have

three analogue / modulating outputs for temperature, relative humidity and CO2and

24 VDC power supply. rough Modbus RTU, all parameters are accessible.

ARTICLE CODE

Code Supply Connection Imax

RSMFH-3 24 VDC Via RJ45 or terminal block 60 mA

INTENDED AREA OF USE

■Monitoring temperature, relative humidity and CO2in HVAC applications

■Appropriate 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

■Spring contact terminal block or RJ45 connection

■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 the

reading(400—2.000ppmCO2);±50ppmCO2+3%ofthereading(1.001—2.000ppm

CO2); ±40 ppm CO2 +5 % of the 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

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

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RSMFH-3 MULTIFUNCTIONAL CO2ROOM

TRANSMITTER

conﬁguration, operational conditions and performance criteria for transmitters

with integrated or remote signal conditioning

■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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RSMFH-3 MULTIFUNCTIONAL CO2ROOM

TRANSMITTER

WIRING AND CONNECTIONS

Wiring diagram

RJ45 sockets (Power over Modbus)

Pin 1 24 VDC Supply voltage

Pin 2

Pin 3 AModbus RTU communication, signal A

Pin 4

Pin 5 /B Modbus RTU communication, signal /B

Pin 6

Pin 7 GND Ground, supply voltage

Pin 8

GND

24 VDC

8 mm

RJ45

Terminal Block 1

VIN Supply voltage 24 VDC

GND Supply voltage, ground

AModbus RTU communication, signal A

/B Modbus RTU communication, signal /B

Terminal Block 2

AO1 Analogue / modulating output 1 for temperature

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

GND Ground AO1

AO2 Analogue / modulating output 2 for relative humidity

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

GND Ground AO2

AO3 Analogue / modulating output 3 for CO2measurement

(0—10 VDC / 0—20 mA / PWM)

GND Ground AO3

ATTENTION e 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, etc.).

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RSMFH-3 MULTIFUNCTIONAL CO2ROOM

TRANSMITTER

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. Release the snap-ﬁts on both sides of the front white cover using a ﬂat

screwdriver and remove the cover (see Fig. 1 Snap-ﬁts release).

2. Insert the cables through the hole in the back (see Fig. 2 Mounting dimensions.)

3. Position the room sensor at least 1,5 metres above the ground using suitable

fastening materials (not included). Mind the correct mounting position (Fig. 3)

and unit dimensions (Fig. 2).

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

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RSMFH-3 MULTIFUNCTIONAL CO2ROOM

TRANSMITTER

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

/B Output 1 - T

Output 2 - rH

Output 3 - CO2

Output 1 - T

Output 2 - rH

Output 3 - CO2

24 VDC

GND

Wrong input connection

5. Snap the cover back in place.

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.

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).

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RSMFH-3 MULTIFUNCTIONAL CO2ROOM

TRANSMITTER

Example 1 Example 2

ТX

NBT

Slave 2

Master

Slave n

Slave 1

Slave 2

Slave 1

ТX

NBT

Master

Slave n

NOTE Two bus terminators (NBTs) must be activated on a Modbus RTU network.

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:

ere is no need to calibrate temperature or relative humidity. Each sensor element

undergoes testing and calibration 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

rough a ﬁrmware update, new features and bug ﬁxes are made available.

Your device can be updated if the most recent ﬁrmware is not already installed.

e simplest way to update the ﬁrmware is through SenteraWeb. e 3SM boot

application, which is a part of the Sentera 3SMcenter software suite, can be used to

update the ﬁrmware if you do not have access to an internet gateway.

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, the measured temperature or relative humidity value

lies within the minimum and maximum values of the alert range 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

lies 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

blinking once the Modbus communication has been restored. For Modbus safety

timeout, alert yellow LED indication takes precedence over blinking yellow LED.

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

lower than or equal to the minimum measurement range value or higher than or

equal to the maximum measurement range value or the measured CO2level is

greater than or equal to Alert 2 level (Fig. 5 - 3). Blinking red LED indicates loss

of communication with a sensor (Fig. 5 - 3).

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RSMFH-3 MULTIFUNCTIONAL CO2ROOM

TRANSMITTER

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 Input Register 41 holds the measured light intensity in lux. In Holding registers

35 and 36, an active and standby level can also be speciﬁed. If the measured value

is below the standby level, above the active level, or somewhere in between, Input

■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

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.

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