ABB 265DC Operating

Operating Instruction

IM/265D/V-EN-02

Differential Pressure Transmitte

r

265Dx, 265VS

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Model 265DS, 265DC, 265DR

Model 265VS

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Blinder Text

2 265Dx, 265VS IM/265D/V-EN-02

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Differential Pressure Transmitter

265Dx, 265VS

Operating Instruction

IM/265D/V-EN-02

11.2008

Manufacturer:

ABB Automation Products GmbH

Schillerstraße 72

32425 Minden

Germany

Tel.: +49 551 905-534

Fax: +49 551 905-555

[email protected]b.com

Subject to changes without notice

This document is protected by copyright. It assists the user in safe and efficient operation of the device.

The contents of this document, whether whole or in part, may not be copied or reproduced without prior

approval by the copyright holder.

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Contents

IM/265D/V-EN-02 265Dx, 265VS 3

1

Safety....................................................................................................................................................................6

1.1 General safety information .............................................................................................................................6

1.2 Intended use...................................................................................................................................................7

1.3 Improper use ..................................................................................................................................................8

1.4 Technical limit values .....................................................................................................................................8

1.5 Warranty provisions........................................................................................................................................9

1.6 Plates and symbols ........................................................................................................................................9

1.7 Name plate ...................................................................................................................................................10

1.7.1 Compliance with Pressure Equipment Directive (97/23/EC) ................................................................12

1.8 Operator liability ...........................................................................................................................................13

1.9 Qualified personnel ......................................................................................................................................13

1.10 Returning devices.........................................................................................................................................13

1.11 Disposal........................................................................................................................................................13

1.11.1 Information on WEEE Directive 2002/96/EC (Waste Electrical and Electronic Equipment).................13

1.12 Transport and storage..................................................................................................................................14

1.13 Safety information for electrical installation..................................................................................................14

1.14 Safety information for inspection and maintenance .....................................................................................14

2 Use in explosion-proof areas ...........................................................................................................................15

2.1 Type-examination certificate/Declaration of conformity ...............................................................................15

2.2 Explosion protection type "Intrinsically safe EEx I" ......................................................................................15

2.3 Use in areas with combustible dust..............................................................................................................16

2.4 Category 3 for use in "Zone 2" .....................................................................................................................16

2.5 Explosion protection type "Flameproof enclosure EEx d"............................................................................17

2.6 Explosion protection types "Intrinsically safe", "Flameproof enclosure", and "Limited energy equipment".18

2.7 Canadian Standards Association (CSA): "Explosion-proof" ........................................................................18

2.8 Aspects of "Ex safety" and "IP protection" for Australian applications.........................................................19

3 Design and function ..........................................................................................................................................21

3.1 Principle of operation and construction........................................................................................................22

4 Mounting ............................................................................................................................................................25

4.1 General.........................................................................................................................................................25

4.2 IP designation...............................................................................................................................................26

4.3 Differential pressure transmitter ...................................................................................................................26

4.4 Moisture........................................................................................................................................................27

4.5 Measuring pipes ...........................................................................................................................................27

5 Electrical connection ........................................................................................................................................28

5.1 Cable connection..........................................................................................................................................28

5.2 Electrical connection in the cable connection area ......................................................................................29

5.3 Electrical connection with plug .....................................................................................................................31

5.4 Assembling and connecting the socket connector.......................................................................................32

Contents

4 265Dx, 265VS IM/265D/V-EN-02

5.5 Protective conductor/Grounding...................................................................................................................33

5.6 Integrated lightning protection (optional)......................................................................................................33

5.7 Communication setup...................................................................................................................................33

5.8 Connecting cable..........................................................................................................................................35

5.9 PROFIBUS PA differential pressure transmitter ..........................................................................................36

6 Commissioning..................................................................................................................................................37

6.1 Output signal ................................................................................................................................................38

6.2 Write protection ............................................................................................................................................38

6.3 Correcting the lower range value / zero shift................................................................................................39

6.4 Turning the housing in relation to the measuring equipment.......................................................................40

6.5 Installing/Removing the button unit..............................................................................................................40

6.6 Installing/Removing the LCD display ...........................................................................................................41

6.7 Securing the housing cover with EEx d........................................................................................................43

7 Operation............................................................................................................................................................44

7.1 Operation using the buttons on the transmitter............................................................................................44

8 Configuration .....................................................................................................................................................45

8.1 Factory settings ............................................................................................................................................45

8.1.1 Pressure transmitter with HART communication and 4 … 20 mA output current.................................45

8.1.2 Transmitter with PROFIBUS PA communication ..................................................................................46

8.1.3 Transmitter with FOUNDATION Fieldbus communication....................................................................47

8.2 Configuration types ......................................................................................................................................47

8.3 Configuring the parameters without an LCD display....................................................................................48

8.4 Configuration with the LCD display ..............................................................................................................50

8.4.1 Parallel shift (OFFSET SHIFT)..............................................................................................................51

8.4.2 Damping (DAMPING)............................................................................................................................52

8.4.3 Characteristic (FUNCTION) ..................................................................................................................52

8.4.4 Fieldbus address (ADDRESS)..............................................................................................................52

8.5 Layout and contents of the LCD display ......................................................................................................53

8.5.1 Displaying a physical value...................................................................................................................53

8.5.2 Menu structure ......................................................................................................................................55

8.6 Menu-controlled pressure transmitter programming ....................................................................................57

8.6.1 Parameter description...........................................................................................................................58

8.7 Configuration with the PC/laptop or handheld terminal................................................................................60

8.8 Configuration with the graphical user interface (DTM).................................................................................62

8.8.1 System requirements ............................................................................................................................62

8.8.2 Setting the damping value.....................................................................................................................63

8.8.3 Correcting the zero shift / oblique sensor .............................................................................................63

8.8.4 Setting the lower and upper range values ............................................................................................63

9 Explosion protection data ................................................................................................................................64

9.1 Potentially explosive atmospheres...............................................................................................................64

Contents

IM/265D/V-EN-02 265Dx, 265VS 5

10 Technical data....................................................................................................................................................67

10.1 Functional specifications ..............................................................................................................................67

10.2 Operating limits ............................................................................................................................................68

10.2.1 Temperature limits in °C (°F) ................................................................................................................68

10.2.2 Pressure limits.......................................................................................................................................68

10.3 Environmental limits .....................................................................................................................................69

10.4 Electrical data and options ...........................................................................................................................70

10.4.1 HART digital communication and 4 ... 20 mA output current................................................................70

10.4.2 PROFIBUS PA output...........................................................................................................................71

10.4.3 FOUNDATION Fieldbus output.............................................................................................................71

10.5 Measuring accuracy .....................................................................................................................................72

10.6 Operating influences ....................................................................................................................................72

10.6.1 Operating influences 265Dx..................................................................................................................72

10.6.2 Operating influences 265Vx..................................................................................................................73

10.7 Technical specification .................................................................................................................................74

10.8 Mounting dimensions (not design data) .......................................................................................................75

10.8.1 Differential pressure transmitter with barrel housing ............................................................................75

10.8.2 Differential pressure transmitter with DIN housing................................................................................76

11 Mounting options with bracket ........................................................................................................................77

12 Maintenance / Repair.........................................................................................................................................78

12.1 Removal .......................................................................................................................................................79

12.1.1 Removing / Installing the process flange ..............................................................................................79

12.1.2 Removing the electronics......................................................................................................................81

13 Appendix ............................................................................................................................................................82

13.1 Approvals and certifications .........................................................................................................................82

14 Index ...................................................................................................................................................................85

Safety

6 265Dx, 265VS IM/265D/V-EN-02

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1 Safety

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1.1 General safety information

The "Safety" section provides an overview of the safety aspects to be observed for operation of

the device.

The device has been constructed in accordance with the state of the art and is operationally

safe. It has been tested and left the factory in perfect working order. The information in the

manual, as well as the applicable documentation and certificates, must be observed and

followed in order to maintain this state throughout the period of operation.

Full compliance with the general safety requirements must be observed during operation of the

device. In addition to the general information, the individual sections in the manual contain

descriptions of processes or procedural instructions with specific safety information.

Only by observing all of the safety information can optimum protection of both personnel and

the environment from hazards, as well as safe and fault-free operation of the device, be

ensured.

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These instructions are intended as an overview and do not contain detailed information on all

available models or every conceivable event that may occur during setup, operation, and

maintenance work.

For additional information, or in the event of specific problems not covered in detail by these

operating instructions, please contact the manufacturer. In addition, ABB Automation Products

GmbH declares that the contents of this manual are not part of any prior or existing agreements,

commitments, or legal relationships; nor are they intended to amend these.

All obligations of ABB Automation Products GmbH arise from the conditions of the relevant

sales agreement, which also contains the solely binding warranty regulations in full. These

contractual warranty provisions are neither extended nor limited by the information provided in

this manual.

Caution - Risk

Only qualified and authorized specialist personnel should be charged with installation,

electrical connection, commissioning, and maintenance of the transmitter.

Qualified personnel are persons who have experience in installation, electrical connection,

commissioning, and operation of the transmitter or similar devices, and hold the necessary

qualifications for these tasks, such as:

• Training or instruction, i.e., authorization to operate and maintain devices or systems

according to safety engineering standards for electrical circuits, high pressures, and

aggressive media

• Training or instruction in accordance with safety engineering standards regarding

maintenance and use of adequate safety systems

For safety reasons, ABB Automation Products GmbH draws your attention to the fact that only

sufficiently insulated tools conforming to DIN EN 60900 may be used.

Since the transmitter may form part of a safety chain, we recommend replacing the device

immediately if any defects are detected.

In addition, you must observe:

• The relevant safety regulations regarding the installation and operation of electrical systems,

e.g., German legal regulations governing technical tools, §3 (Gerätesicherheitsgesetz:

German Equipment Safety Act)

• The relevant standards, e.g., DIN 31 000/VDE 1000

Safety

IM/265D/V-EN-02 265Dx, 265VS 7

• The regulations and guidelines relating to explosion protection, if explosion-proof

transmitters are to be installed

Warning - General risks

The device can be operated at high levels of pressure and with aggressive media.

As a result, serious injury or significant property damage may occur if this device is operated

incorrectly.

The regulations, standards, directives, and laws referred to in these operating instructions are

applicable in Germany. When using the transmitter outside the scope of German federal

jurisdiction, the regulations, standards, and directives applicable in the country where the device

is being used must be observed.

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1.2 Intended use

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Measuring tasks

Type 265Dx: Differential pressure, flowrate, or level of gases, vapors, and liquids

Type 265Vx: Absolute pressure of gases, vapors, and liquids

Measuring ranges:

Type 265Dx: 10 mbar to 100 bar (staggered), for nominal pressure ratings PN 6 (sensor

code A only), PN 160, PN 250, or PN 410

Type 265Vx: 400 mbar abs to 20 bar abs (staggered), for nominal pressure ratings

PN 160, PN 250, or PN 410

The transmitters can be overloaded on one side.

Using these products as intended involves observing the following points:

• Read and follow the instructions in this manual.

• Observe the technical ratings (refer to the section "Technical data").

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Safety

8 265Dx, 265VS IM/265D/V-EN-02

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1.3 Improper use

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It is prohibited to use the device for the following purposes:

• As a climbing aid, e.g., for mounting purposes

• As a support for external loads, e.g., as a support for pipes, etc.

• Adding material, e.g., by painting over the name plate or welding/soldering on parts

• Removing material, e.g., by drilling the housing.

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Repairs, alterations, and enhancements, or the installation of replacement parts, are only

permissible insofar as these are described in the manual. Approval by ABB Automation

Products GmbH must be sought for any activities beyond this scope. Repairs performed by

ABB-authorized specialist shops are excluded from this.

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1.4 Technical limit values

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The device is designed for use exclusively within the values stated on the name plate and within

the technical limit values specified on the data sheets.

The following technical limit values must be observed:

• The permitted pressure may not be exceeded.

• The maximum operating temperature may not be exceeded.

• The permitted operating temperature may not be exceeded.

• The housing protection type must be observed.

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Safety

IM/265D/V-EN-02 265Dx, 265VS 9

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1.5 Warranty provisions

Using the device in a manner that does not fall within the scope of its intended use, disregarding

this manual, using underqualified personnel, or making unauthorized alterations releases the

manufacturer from liability for any resulting damage. This renders the manufacturer's warranty

null and void.

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1.6 Plates and symbols

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Danger – <Serious damage to health/risk to life>

The appearance of either of these symbols next to the "Danger" warning indicates that an

imminent risk is present. Failure to avoid this will result in death or serious injury.

Warning – <Bodily injury>

The appearance of this symbol next to "Warning" indicates a potentially dangerous situation.

Failure to avoid this could result in death or serious injury.

Caution – <Minor injuries>

The appearance of this symbol next to "Caution" indicates a potentially dangerous situation.

Failure to avoid this could result in minor injuries. This may also be used for property damage

warnings.

Attention – <Property damage>

This symbol indicates a potentially damaging situation. Failure to avoid this could result in

damage to the product or its surrounding area.

Important

This symbol indicates operator tips or particularly useful information. It does not indicate a

dangerous or damaging situation.

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Safety

10 265Dx, 265VS IM/265D/V-EN-02

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1.7 Name plate

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2

14

15

16

D-32425 Minden

0045

/M 100%/+ 0%/-

SIL

M00154

1

2

3

4

5

6

7

8

10

11

12

13

17

18

19

20

21

22

23

24

Type

Opt.

S/N 265DS6600018572

PED: 1G PS: 410 bar

265DS LTKA6B1

E1M1TACLH1

HART

SW xx

Bj./Yr. 20xx

IP 67

10,5 ... 30 V DC

4 ... 20 mA

Mat. 1.4404(8) / Hast.C / Buna-N PN 410

-2.5 ...+2.5 bar min.Span 0.025 bar

P: 0 ... 410 bar abs.

eing./adj.

+0.00 ... +2500.000 mbar

+0.00 ... +100.00 %

MADE IN GERMANY

II 1/2GD T 50°C EEx ia IIC T6

II 1/2GD T 95°C EEx ia IIC T4

ZELM 01 ATEX 0064

Electr. Data see EC-Type-Examination Certificate

TAG: -/-

0032

9

Fig. 1: Example: Name plate for 265Dx transmitter

1 Device type/order code (for information

on the individual letters/numbers, refer to

the information on the order confirmation

or device data sheet)

2 Options – additional information on the

order code

3 Device serial number (factory no.)

4 Identification code with reference to the

Pressure Equipment Directive (SEP or

1G). See the section "Compliance with

the Pressure Equipment Directive

(97/23/EC)".

5 Auxiliary power

6 Parts that come into contact with medium

7 Lower to upper range limit (LRL to URL)

8 Static pressure sensor range

9 Set span

10 HART output (process variable)

11 Ex design designation (optional)

12 No. of EC-type-examination certificate

13 Tag (max. 32 characters)

14 EC conformity mark

15 Identification number of the notified body

with reference to the Pressure Equipment

Directive. See the section "Compliance

with the Pressure Equipment Directive

(97/23/EC)".

16 "SIL2" identification code (optional)

17 Device communication type

18 Software version

19 Year of manufacture

20 Protection type

21 Output signal

22 Permissible pressure (static)

23 Minimum span

24 Identification number of the notified body

with reference to ATEX certification

(optional)

Safety

IM/265D/V-EN-02 265Dx, 265VS 11

M00153

1

2

3

4

5

6

Druckfühler / Remote Seal

Flanschdruckfühler - Flach

DN 80 PN 16 / 40

pmax. = 40 bar

Form B EN 1092 - 1

Mat. 316 L / 1.4435

Füllung/Fill. Siliconöl IB

2

Fig. 2: Example: Additional name plate for devices with direct mount remote seals (optional)

1 Remote seal type

2 Meter size and nominal pressure

3 Max. working pressure

4 Sealing surface form

5 Materials that come into contact with

medium

6 Filling liquid in the remote seal system;

ID letters for filling liquid

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Safety

12 265Dx, 265VS IM/265D/V-EN-02

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1.7.1 Compliance with Pressure Equipment Directive (97/23/EC)

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Devices with PS > 200 bar (20 MPa)

Devices with a permissible pressure of PS > 200 bar (20 MPa) have been tested for conformity

by the Technical Supervisory Association TÜV NORD (0045) in accordance with module H and

can be used for fluids of group 1 (PED: 1G).

The name plate bears the following identification codes:

2

D-32425 Minden

0045

/M 100%/+ 0%/-

SIL

M00155

1

2

Type

Opt.

S/N 265DS6600018572

PED: 1G PS: 410 bar

265DS LTKA6B1

E1M1TACLH1

HART

SW xx

Bj./Yr. 20xx

IP 67

10,5 ... 30 V DC

4 ... 20 mA

Mat. 1.4404(8) / Hast.C / Buna-N PN 410

-2.5 ...+2.5 bar min.Span 0.025 bar

P: 0 ... 410 bar abs.

eing./adj.

+0.00 ... +2500.000 mbar

+0.00 ... +100.00 %

MADE IN GERMANY

II 1/2GD T 50°C EEx ia IIC T6

II 1/2GD T 95°C EEx ia IIC T4

ZELM 01 ATEX 0064

Electr. Data see EC-Type-Examination Certificate

TAG: -/-

0032

Fig. 3

1 PED: 1G 2 CE 0045: Identification number of the

notified body with reference to the

Pressure Equipment Directive (for

PS > 20 MPa only)

Devices with PS ≤ 200 bar (20 MPa)

Devices with a permissible pressure of PS ≤ 200 bar (20 MPa) conform to Sec. 3 Para. (3) and

have not been tested for conformity. The devices have been constructed and manufactured

according to sound engineering practice (SEP).

The CE marking on the device does not refer to the Pressure Equipment Directive.

The name plate thus bears the identification code PED: SEP.

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Safety

IM/265D/V-EN-02 265Dx, 265VS 13

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1.8 Operator liability

Prior to using corrosive and abrasive materials for measurement purposes, the operator must

check the level of resistance of all parts coming into contact with the materials to be measured.

ABB will gladly support you in selecting the materials, but cannot accept any liability in doing so.

The operators must strictly observe the applicable national regulations with regard to

installation, function tests, repairs, and maintenance of electrical devices.

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1.9 Qualified personnel

Installation, commissioning, and maintenance of the device may only be performed by trained

specialist personnel who have been authorized by the plant operator. The specialist personnel

must have read and understood the manual and comply with its instructions.

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1.10 Returning devices

Use the original packaging or suitably secure shipping containers if you need to return the

device for repair or recalibration purposes. Fill out the return form (see the Appendix) and

include this with the device.

According to EC guidelines for hazardous materials, the owner of hazardous waste is

responsible for its disposal or must observe the following regulations for shipping purposes:

All devices delivered to ABB Automation Products GmbH must be free from any hazardous

materials (acids, alkalis, solvents, etc.).

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1.11 Disposal

ABB Automation Products GmbH actively promotes environmental awareness and has an

operational management system that meets the requirements of DIN EN ISO 9001:2000,

EN ISO 14001:2004, and OHSAS 18001. Our products and solutions are intended to have

minimum impact on the environment and persons during manufacturing, storage, transport, use,

and disposal.

This includes the environmentally friendly use of natural resources. ABB conducts an open

dialog with the public through its publications.

This product/solution is manufactured from materials that can be reused by specialist recycling

companies.

1.11.1 Information on WEEE Directive 2002/96/EC (Waste Electrical and Electroni

c Equipment)

This product or solution is not subject to the WEEE Directive 2002/96/EC or corresponding

national laws (e.g., the ElektroG (Electrical and Electronic Equipment Act) in Germany).

Dispose of the product/solution directly at a specialist recycling facility; do not use municipal

garbage collection points for this purpose. According to the WEEE Directive 2002/96/EC, only

products used in private applications may be disposed of at municipal garbage facilities. Proper

disposal prevents negative effects on people and the environment, and supports the reuse of

valuable raw materials.

If it is not possible to dispose of old equipment properly, ABB Service can accept and dispose of

returns for a fee.

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Safety

14 265Dx, 265VS IM/265D/V-EN-02

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1.12 Transport and storage

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• After unpacking the pressure transmitter, check the device for transport damage.

• Check the packaging material for accessories.

• During intermediate storage or transport, store the pressure transmitter in the original

packaging only.

For information on permissible ambient conditions for storage and transport, see "Technical

data". Although there is no limit on the duration of storage, the warranty conditions stipulated in

the order confirmation from the supplier still apply.

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1.13 Safety information for electrical installation

Electrical connections may only be established by authorized specialist personnel in

accordance with the electrical circuit diagrams.

The electrical connection information in the manual must be observed; otherwise, the applicable

protection type may be affected.

Ground the measurement system according to requirements.

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1.14 Safety information for inspection and maintenance

Warning – Risk to persons

There is no EMC protection or protection against accidental contact when the housing cover is

open. There are electric circuits within the housing which are dangerous if touched.

Therefore, the auxiliary power must be switched off before opening the housing cover.

Warning – Risk to persons

The device can be operated at high pressure and with aggressive media. Any medium that

squirts out can cause severe injuries.

Depressurize the pipeline/tank before opening the transmitter connection.

Corrective maintenance work may only be performed by trained personnel.

• Before removing the device, depressurize it and any adjacent lines or containers.

• Check whether hazardous materials have been used as materials to be measured before

opening the device. Residual amounts of hazardous material may still be present in the

device and could escape when the device is opened.

• Within the scope of operator responsibility, check the following as part of a regular

inspection:

− Pressure-bearing walls/lining of the pressure device

− Measurement-related function

− Leaktightness

− Wear (corrosion)

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Use in explosion-proof areas

IM/265D/V-EN-02 265Dx, 265VS 15

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2 Use in explosion-proof areas

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According to Directive 94/9/EC (ATEX):

When installing explosion-proof transmitters (electrical connection, grounding/equipotential

bonding, etc.), national regulations, DIN/VDE standards, explosion protection directives, and the

Ex test certificate of the device must be observed. The certified explosion-proof designation for

the transmitter is provided on the name plate.

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2.1 Type-examination certificate/Declaration of conformity

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For explosion-proof transmitter models, the EC-type-examination certificate or declaration of

conformity forms an integral part of these operating instructions.

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2.2 Explosion protection type "Intrinsically safe EEx I"

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• Only intrinsically safe devices may be installed in the transmitter signal circuit. The signal

circuit can be interrupted while the transmitter is in operation (e.g., clamping/unclamping

signal lines).

• The housing may be opened during operation.

• Transmitters with or without remote seals featuring explosion protection type "EEx i"

(intrinsically safe) may be set up directly at Zone 0, provided that the power is supplied via

an intrinsically safe electrical circuit with protection type EEx ia or EEx ib.

• Test circuit (terminals "TEST +/-"): With explosion protection type "intrinsically safe",

connections should only be established to passive, intrinsically safe circuits. The category,

explosion group, and maximum values for U

o

, I

o

, and P

o

of the intrinsically safe test circuit

can be determined on the basis of the intrinsically safe signal circuit connected.

Important

Please observe the rules governing interconnection.

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Use in explosion-proof areas

16 265Dx, 265VS IM/265D/V-EN-02

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2.3 Use in areas with combustible dust

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Installation must be performed in accordance with EN 50281-1-2.

• Transmitters can only be connected using cable glands certified in accordance with Directive

94/9/EC (ATEX) (not included in scope of delivery). The cable gland must also conform to IP

67 type of protection. Allowing for self-heating, the smoldering temperature of the dust must

be at least 85 K higher than the ambient temperature.

Caution - Risk

When using separating sensors with an anti-stick coating, be aware of the risk of electrostatic

discharge (with consideration given to the medium and transport speed).

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2.4 Category 3 for use in "Zone 2"

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• The transmitter must be connected using a certified cable gland (not included in scope of

delivery). The cable gland must satisfy the requirements of explosion protection type

"Increased safety EEx e" in accordance with Directive 94/9/EC (ATEX). Additionally, the

conditions stipulated in the type-examination certificate for the cable gland must be

observed.

Warning - Risk

Opening the housing during operation (with the operating voltage switched on) is not

permitted.

Opening the cover presents a risk of spark formation and, therefore, explosion.

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Use in explosion-proof areas

IM/265D/V-EN-02 265Dx, 265VS 17

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2.5 Explosion protection type "Flameproof enclosure EEx d"

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Please observe the following installation information:

• The transmitter must be connected using suitable cable and wire entries or pipeline systems,

which satisfy the requirements of EN 50 018:1994, Section 13.1 or 13.2, and for which a

separate examination certificate exists.

• Openings in the housing that are not being used must be closed in accordance with

EN 50 018:1994, Section 11.9.

• Cable and wire entries, as well as plugs, which do not comply with the points stipulated

above may not be used.

To align the transmitter at the measuring point (by turning by a maximum of 360°), the rotatable

housing may be loosened on the shaft between the measuring equipment and housing:

1. Loosen the locking screw by a maximum of 1 rotation.

2. Align the housing.

3. Retighten the locking screw.

Before switching on the operating voltage:

1. Close the housing.

2. Secure the housing cover by turning the locking screws (hex-head socket screws)

counterclockwise.

3. Secure the housing against rotating by turning the locking screw clockwise.

4. The housing cover, electronics housing, and measuring equipment may only be replaced

with components that have been approved for this purpose.

Caution - Risk

Opening the housing during operation (with the operating voltage switched on) is not

permitted.

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Use in explosion-proof areas

18 265Dx, 265VS IM/265D/V-EN-02

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2.6 Explosion protection types "Intrinsically safe", "Flameproof enclosure", and "Limited energy

equipment"

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Alternative certification:

• Intrinsically safe (Category 1/2, EEx i) or

• Flameproof enclosure (Category 1/2, EEx d), or

• Limited energy equipment (Category 3, EEx nL)

Important

Prior to commissioning, the selected type of explosion protection (only one may be selected)

must be permanently marked in the appropriate box on the name plate. Once selected, the

type of explosion protection may not be changed.

If a supply is not intrinsically safe, or the transmitter has been fed in a way that is not intrinsically

safe, the explosion protection type "Intrinsically safe" is no longer valid.

Caution - Risk

Failure to observe this information will have an adverse effect on explosion protection.

Appropriate cable and wire entries must be used depending on the explosion protection type

selected:

Explosion protection type Cable gland

(minimum requirement)

II 1/2 G EEx i

II 1/2 D EEx i

IP 54

IP 6x

II 1/2 G EEx d

II 1/2 D EEx d

EEx d

EEx d and IP 6x

II 3 G EEx n

II 3 D EEx n

EEx e

EEx e and IP 6x

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2.7 Canadian Standards Association (CSA): "Explosion-proof"

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Caution - Potential damage to parts

Transmitters with LCD displays must not be used in etherized atmospheres.

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Use in explosion-proof areas

IM/265D/V-EN-02 265Dx, 265VS 19

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2.8 Aspects of "Ex safety" and "IP protection" for Australian applications

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TestSafe certificate number

ANZEx 06.3056

Protection type

Ex d IIC T6 IP 66 / IP 67

Ex tD A21 IP 66 / IP 67 T85 deg C

T

amb

= -20 ... 75 °C (-4 ... 167 °F)

Designation Meaning

Ex d Flameproof enclosure (gas)

IIC Gas group

T6 Transmitter temperature class (corresponds to max. 85 °C (185 °F) at an

ambient temperature T

amb

of 75 °C (167 °F).

Ex tD Dust (dangerous medium)

A21 Suitable for "Zone 21"

IP 66 / IP 67 Protection type

T85 deg C Maximum surface temperature of the transmitter at an ambient temperature

T

amb

of 75 °C (167 °F), for dust layers of up to 50 mm (1.97 inch) in

thickness.

The transmitters have been certified in accordance with the following standards:

IEC 60079-0:2004

AS/NZS 60079.0:2005

Electrical apparatus for explosive gas atmospheres.

Part 0: General requirements

IEC 60079-1:2003

AS/NZS 60079.1:2005

Electrical apparatus for explosive gas atmospheres.

Part 1: Equipment protection by flameproof enclosures "d"

IEC 61241-0:2004

AS/NZS 61241.0:2005

Electrical apparatus for use in the presence of combustible dust.

Part 0: General requirements

IEC 61241-1:2004

AS/NZS 61241.1:2005

Electrical apparatus for use in the presence of combustible dust.

Part 1: Protection by enclosures "tD"

Use in explosion-proof areas

20 265Dx, 265VS IM/265D/V-EN-02

Notes

• Opening the housing during operation (i.e., while the operating voltage is switched on) is not

permitted.

• The transmitter must be connected using a suitable cable, cable glands, or pipeline systems,

which satisfy the requirements of the standards listed above and for which a separate test

certificate is available.

Caution - Risk

Only use cables and cable glands that are approved for temperatures of 80 °C (176 °F).

• Openings in the housing that are not being used must be closed in accordance with the

standards listed above.

• Before switching on the operating voltage:

• The housing must be closed.

• Secure the housing cover by turning the locking screws (hex-head socket screws)

counterclockwise.

• Secure the housing against rotating by turning the locking screw clockwise.

• The housing cover, electronics housing, and measuring equipment may only be replaced

with components that have been approved for this purpose.

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