Evikon PluraSens E2608-CO2 Bedienungsanleitung

PluraSens®

Carbon Dioxide Detector-Transmitter

E2608-CO2

User Manual

E2608-CO2 Rev 05.05.2021
Table of contents
Carbon Dioxide 3
Speciﬁcations 4
Product description 6
Safety requirements 6
Operating conditions 6
Installation guidelines 7
Wall mount version 7
Duct mount version 7
Mounting dimensions 8
Mounting dimensions (50KN sensor) 9
Sensor probe handling 10
Electrical connections 12
Operation 14
Maintenance 14
Calibration 14
Delivery set 15
Order code for E2608-CO2 options 15
Conﬁguring 16
Return to default settings 16
Emergency mode 16
Modbus RTU Communication 17
RS485 communication interface 17
Communication parameters 17
Modbus holding registers 17
Warranty 22
Manufacturer contacts 22
2

E2608-CO2 Rev 05.05.2021

Carbon Dioxide

Carbon dioxide is a colorless, odorless, non-toxic, and non-ﬂammable gas that is present in

the Earth's atmosphere at a low concentration.

Chemical formula

CO2

Molar weight

Relative gas density (to air)

1.52

Conversion

1 ppm = 1.80 mg/m3

Boiling point

Sublimes

Flammability

Nonﬂammable

Odor

Odorless

Hazards

Dust of various metals (Mg, Zr, Ti, Al, Cr, Mn)is ignitable

and explosive when suspended in carbon dioxide.

In concentrations up to 1% (10000 ppm), it will make

some people feel drowsy and give the lungs a stuffy

feeling. Concentrations of 7% to 10% (70000 to 100000

ppm) may cause suffocation, even in the presence of

suﬃcient oxygen, manifesting as dizziness, headache,

visual and hearing dysfunction, and unconsciousness

within a few minutes to an hour.

Exposure

limits

(Directive

2006/15/EC)

TWA

9000 mg/m3/5000 ppm

STEL

Not speciﬁed

Conversion of ppm to mg/m3is calculated for 25°C and 1 atm.

E2608-CO2 Rev 05.05.2021

Speciﬁcations

Sensor type

Optical (NDIR)

Dual beam NDIR (optional)

Sampling method

Diffusion

Ordering code

10K

50K

50KN

Detection range

0...10000 ppm

0...5 %vol.

0...50000 ppm

Resolution / digital unit

1 ppm

0.01 %vol.

0.2% FS

Accuracy

±(50 ppm + 3%

of reading)

within 300...5000

ppm

±(70 ppm + 5%

of reading)

±1% of FS range below 25% of range

±2% of detection range for readings

between 25% and 50% of range

±5% of FS range above 50% of range

Response time T90

Ca. 2 minutes

Up to 3 minutes

T50 ≤ 20 s; T90 ≤ 60 s

Sensor lifetime

Ca. 10 years

> 2 years

Calibration interval

Up to 5 years

No ﬁeld recalibration

Signal update

Every 1 second

Power supply

11...30 VDC (default),

24 VAC or 90...265 VAC as options

Power consumption

< 2 VA

Analog outputs

2 × 4-20 mA / 0-10 V, user settable

Outputs assignment

OUT1: Gas; OUT2: Gas

Output scale width

> 10 × resolution

Recommended: 20-100% of the detection range

Digital interface

RS485, Modbus RTU protocol;

No galvanic isolation

Load resistance

RL< (Us - 2 V) / 22 mA for 4-20 mA

RL> 250 kOhm for 0-10 V mode

Relay outputs

2 × SPST, max 5 A, 30 VDC / 250 VAC

Default alarm setpoints

Determined by the user within 5-95% of the detection range

Cable connections

Screwless spring-loaded terminals

Enclosure

Light beige ABS, wall or duct mount, protection class IP65

Dimensions

H87 × W82 × D55 mm

E2608-CO2 Rev 05.05.2021

Operating conditions

Explosion safe areas; pressure 0,9...1,1 atm;

Non-aggressive atmosphere without condensation;

for 10K version: 0...+50 °C, 0...85 %RH

for 50K version: -25...+50 °C, 0...95 %RH

For 50KN: -40 to +60 °C, 0...95% RH

CE marking

According to 2014/30/EU and 2014/35/EU, EN 50491-4-1:2012

EN 61000-6-3:2020, EN 61326-1:2013(EMC, emissions)

EN 61000-6-1:2019, EN 61000-6-2:2019(EMC, Immunity)

EN 60079-29-1:2016, EN 60079-29-2:2015 and EN 60079-29-3:2014

Other options

Remote probe

Protection IP65, default cable length 3.0 m;

max height 80 mm, max diameter 65 mm

E2608-CO2 Rev 05.05.2021

Product description

E2608 series detectors-transmitters belong to the PluraSens® family of multifunctional

measurement instruments. The instruments utilize gas sensors of various types with

excellent repeatability, stability, and long lifetime.

E2608 series provides two independent analog outputs OUT1 and OUT2, user-selectable to

4-20 mA or 0-10 V. RS485 Modbus RTU digital communication interface allows easy

instrument conﬁguration and integration into various automation systems.

Two relays RE1 and RE2 with closing dry contacts can be used to switch alarm sirens,

ventilation fans, shut-off valves, or other actuators. Remote probe, duct mount version and

24 VAC or 230 VAC power supply options are available.

The version of your detector-transmitter is marked on the package. If the symbol

⚠

marked on the equipment, consult the documentation for further information.

Safety requirements

Misuse will impair the protection of the product. Always adhere to the safety provisions

applicable in the country of use.

Do not perform any maintenance operation with the power on. Do not let water or foreign

objects inside the device.

Removal of the PCB from the enclosure voids the warranty. Do not touch the electronic

components directly, as they are sensitive to static electricity.

Connection diagrams can be found in the electrical connections section. The device might

not perform correctly or be damaged if the wrong power supply is connected.

External circuits connected to the equipment should have suﬃcient insulation rating

according to the environmental conditions and equipment power.

A disconnecting device that is marked as such and easily accessible should be included in

the installation of this product.

Operating conditions

The device should be used both in a non-hazardous area and in a basic electromagnetic

environment, where the latter is deﬁned in EN 61326-1. Avoid strong mechanical shock and

vibrations. Avoid corrosive atmosphere and areas highly contaminated with dust, oil mist,

etc. Keep the instrument away from direct sunlight. A sudden temperature or humidity

change might affect the sensitivity of the sensor.

E2608-CO2 Rev 05.05.2021

Installation guidelines

Before proceeding with the installation it is mandatory to read the Safety requirements

section and make sure to comply with all listed instructions. Installation standards EN

60079-29-2 and EN 45544-4 are also recommended for further instructions and related

information about the installation. During the installation of the detector-transmitter the

following points must be considered:

●Application (air quality control or leakage detection.)

●Properties of the space under investigation (room geometry, direction, and

velocity of airﬂows, etc.),

●Since CO2is heavier than air, it is recommended to locate the sensor not higher

than the potential leakage. For air quality control place the sensor in the breathing

zone.

●The device should be accessible for maintenance and repair.

The aforementioned conditions above will affect the coverage area of the device. however,

the coverage area for a detector-transmitter is usually between 2.5 to 5 meters radius.

For early leakage detection install the sensor as close as possible to the potential leakage

sources (ﬂanges, valves, pressure reducers, pumps, etc.), taking into consideration other

points listed above.

For general area monitoring without deﬁnite leakage sources, the detector-transmitters

should be distributed evenly in the room.

For personal safety control, the detector-transmitters are installed in the breathing zone (at

the height of the head of people or animals). The recommended sensor position is vertical,

pointing downwards.

Wall mount version

Attach the mounting lugs to the back of the detector-transmitter using the provided

screws. Screw the device to the wall through the mounting lug holes (for dimensions see

the drawing in the next section).

Duct mount version

Cut a hole with a diameter of 36...45 mm in the air duct at the chosen mounting place.

Place the rubber ﬂange aligning the holes in the ﬂange and the air-duct and ﬁx the ﬂange

with four self-tapping screws. Pass the sensor probe through the ﬂange and adjust it to the

appropriate depth. Unscrew four lid screws and detach the lid from the

detector-transmitter.

E2608-CO2 Rev 05.05.2021

Mounting dimensions

Wall mount version with mounting lugs

Duct mount version

E2608-CO2 Rev 05.05.2021

Mounting dimensions (50KN sensor)

Front view Side view

E2608-CO2 Rev 05.05.2021

Sensor probe handling

The wall-mount version of the detector-transmitter is available with a remote probe (see

drawing below for dimensions). The remote probe is connected to the main unit with a

shielded cable. The default remote probe cable length is 3 m.

A) Wall mount remote probe with ﬁxing clamp (default version),

B) Remote probe with rubber ﬂange and three self-tapping screws (on request)

C) Wall mount remote probe with ﬁxing clamp (default version),

D) Remote probe with rubber ﬂange and three self-tapping screws (on request)

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