Evikon PluraSens E2608-Cl2 Manuel utilisateur

PluraSens®

Chlorine Detector-Transmitter

E2608-Cl2

User Manual

E2608-Cl2 Rev 05.05.2021
Table of contents
Chlorine 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
Sensor probe handling 9
Gas sensor replacement procedures 9
Electrical connections 10
Operation 12
Maintenance 12
Calibration 12
Delivery set 13
Order code for E2608-Cl2 options 13
Conﬁguring 14
Return to default settings 14
Modbus RTU Communication 15
RS485 communication interface 15
Communication parameters 15
Modbus holding registers 15
Warranty 20
Manufacturer contacts 20
2

E2608-Cl2 Rev 05.05.2021

Chlorine

Chlorine is a heavy green-yellow gas with a pungent, irritating odor. It is highly toxic and

corrosive. It is used in the chemical industry and for bleaching and disinfection.

Chemical formula

Cl2

Molar weight

70.9

Relative gas density (to air)

2.44

Conversion

1 ppm = 2.90 mg/m3

Boiling point

-34.04 °C

Odor

Pungent, irritating smell

Odor detection threshold

Some individuals will not notice the odor until it is more

than three times the exposure limit.

Hazards

Nonﬂammable, but a strong oxidizer, may react

explosively with many common chemicals.

Potent irritant of the eyes, mucous membrane, skin, and

respiratory system. Death can occur within minutes

after exposure of 400 to 1000 ppm. Chronic exposure of

1ppm can cause a moderate, but permanent, reduction

in pulmonary function.

Exposure

limits

(Directive

2006/15/EC)

TWA

not speciﬁed

STEL

1.5 mg/m3/0.5 ppm

IDLH (NIOSH)

10 ppm

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

E2608-Cl2 Rev 05.05.2021

Speciﬁcations

Sensor type

Electrochemical cell

Sampling method

Diffusion

Typical detection range

0...10 ppm

Maximum overload

100 ppm

Resolution / digital unit

0.1 ppm

Response time T90

< 60s

Sensor lifetime

> 1 years

Calibration interval

6 months

Signal update

Every 1 second

Power supply

11...30 VDC (default),

24 VAC or 90...265 VAC as option

Power consumption

< 2 VA

Load resistance

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

RL> 250 kOhm for 0-10 V mode

Digital interface

RS485, Modbus RTU protocol

no galvanic isolation

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

Relay outputs

2 × SPST, max 5 A, 30 VDC / 250 VAC

Default alarm setpoints

RE1 (LOW): set 0.5 ppm; release 0.4 ppm

RE2 (HIGH): set 1 ppm; release 0.8 ppm

Cable connections

Screwless spring-loaded terminals

Enclosure

Light beige ABS, wall mount, protection class IP65

Dimensions

H87 × W82 × D55 mm

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

E2608-Cl2 Rev 05.05.2021

Operating conditions

-20...+50 °C, 15...90% RH non-condensing, 0,9...1,1 atm

Explosion safe indoor areas,

Non-aggressive atmosphere

NOTE The sensor may exhibit considerable sensitivity to hydrogen

sulﬁde, nitrogen dioxide, and sulfur dioxide

Other options

Remote probe

Protection IP65, default cable length 3.0 m;

max height 80 mm, max diameter 65 mm

E2608-Cl2 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-Cl2 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.),

●Chlorine is considerably heavier than air and tends to sink. The sensor should be

placed at ca. 15 cm above the ﬂoor.

●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-Cl2 Rev 05.05.2021

Mounting dimensions

Wall mount version with mounting lugs

Duct mount version

E2608-Cl2 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)

The sensor probes of all types are equipped with a hydrophobic microporous PTFE ﬁlter to

protect the sensor from dust, dirt, and water drops. The ﬁlter should be replaced if it gets

strongly contaminated. To replace the PTFE ﬁlter, unscrew the sensor head cap and

remove the old ﬁlter. Place a new ﬁlter into the cap and tighten it again.

NOTE! Never stab or press the ﬁlter near its center where the sensor is located since this

may damage the sensor. Do not remove the ﬁlter as it may cause the device to show

incorrect values and/or break the sensor.

The recommended orientation of the sensor probe is vertical with the sensor tip pointing

downwards. This prevents the possible accumulation of condensed water on the sensor

protection ﬁlter.

Gas sensor replacement procedures

1. Remove the sensor head cap from the device (or the remote probe),

2. Remove the PTFE ﬁlter (if it is not removed within the cap),

3. Remove the O-ring rubber,

4. Detach the electrochemical sensor from the device,

5. Insert the new electrochemical sensor inside,

6. Put back the O-ring rubber, PTFE ﬁlter, and the head cap, respectively.

E2608-Cl2 Rev 05.05.2021

Electrical connections

Unscrew four lid screws and detach the lid from the device. Use the M16 cable gland to let

in cables of the power supply and of the external devices. Attach the power cable to the

device without turning it on. Using the connection diagram below, connect the analog

outputs and digital interface terminals to the relevant devices according to your tasks.

Version without PSU Version with PSU

Jumpers

OUT1 type (open: 4-20 mA; closed 0-10 V)

OUT2 type (open: 4-20 mA; closed 0-10 V)

Reset Modbus network parameters to default

X4 terminals

OUT1

4-20 mA / 0-10 V output

OUT2

4-20 mA / 0-10 V output

0 V / 24 VAC Neutral (optional)

RS485 A / Data +

RS485 B / Data -

+24 VDC / 24 VAC Phase (optional)

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