Pepperl+Fuchs KVF-104-PF Manual de usuario

0102

ISO9001

KVF-104-PF

LAYER THICKNESS SENSOR

SCHICHTDICKENSENSOR

DÉTECTEUR D'ÉPAISSEUR DE COUCHE

LAGTYKKELSESFØLER

PROCESS AUTOMATION

MANUAL

With regard to the supply of products, the current issue of the following docu-

ment is applicable: The General Terms of Delivery for Products and Services of

the Electrical Industry, published by the Central Association of the Electrical In-

dustry (Zentralverband Elektrotechnik und Elektroindustrie (ZVEI) e.V.) in its

most recent version as well as the supplementary clause: "Expanded reserva-

tion of proprietorship"

Es gelten die Allgemeinen Lieferbedingungen für Erzeugnisse und Leistungen

der Elektroindustrie, herausgegeben vom Zentralverband Elektroindustrie

(ZVEI) e.V. in ihrer neusten Fassung sowie die Ergänzungsklausel: "Erweiterter

Eigentumsvorbehalt".

Les conditions de vente générales pour les produits et les services de l'industrie

des équipements électriques publiées par la Fédération de l'industrie électron-

ique (ZVEI) s'appliquent dans leur toute dernière version, tout comme la clause

complémentaire "Réserve de propriété élargie".

De almene leveringsbetingelser for produkter og ydelser fra elektronikindus-

trien, der er udgivet af Zentralverband Elektroindustrie (ZVEI) e.V. i den seneste

udgave samt tillægsklasulen: "Udvidet ejendomforbehold" er gældende".

LAYER THICKNESS SENSOR

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1 Safety .............................................................................3

1.1 General .........................................................................................................3

1.2 Used Symbols..............................................................................................3

1.3 Declaration of Conformity ..........................................................................4

1.4 Intended use ................................................................................................4

1.4.1 Coding ...........................................................................................................4

1.5 Delivery, Transport and Storage.................................................................5

1.6 Installation and Commissioning ................................................................5

1.6.1 Installation of the sensor ...............................................................................5

1.6.2 Installation in connection with intrinsically safe circuits .................................5

1.6.3 Sensor cable .................................................................................................6

1.7 Operation .....................................................................................................6

1.7.1 Caution - emulsions.......................................................................................6

1.8 Maintenance.................................................................................................6

1.9 Repair ...........................................................................................................6

1.10 Disposal .......................................................................................................6

1.11 Applied standards and directives..............................................................7

2 Product Specifications .................................................8

2.1 Function .......................................................................................................8

2.2 Layout and dimensions ..............................................................................8

2.3 Product program .........................................................................................9

3 Installation................................................................... 10

3.1 Mounting in oil/petrol separators............................................................. 10

3.2 Connection ................................................................................................ 11

Layer thickness sensor

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LAYER THICKNESS SENSOR

4 Operation......................................................................12

4.1 Emptying (disposal) of the container.......................................................12

5 Maintenance and repair ..............................................13

5.1 Sensor test .................................................................................................13

6 Troubleshooting ..........................................................14

6.1 System care................................................................................................14

7 Technical specifications.............................................15

LAYER THICKNESS SENSOR

Safety

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1 Safety

1.1 General

The operator of the system is responsible in terms of planning, mounting, commissioning,

operating and maintenance.

Installation and commissioning of all devices must be performed by a trained professional only.

Protection of operating personnel and the system is not ensured if the product is not used in

accordance with its intended purpose.

Laws and regulations applicable to the usage or planned purpose of usage must be observed.

Devices are only approved for proper usage in accordance with intended purpose. Improper

handling will result in voiding of any warrantee or manufacturer's responsibility.

The Declaration of Conformity, Certificate of Compliance, Statement of Conformity, EC-type-

examination certificate and data sheets are an integral part of this document.

The data sheet contains the electrical data of the Declaration of Conformity, the Certificate of

Compliance and the EC-type-examination certificate.

The documents mentioned are available from http://www.pepperl-fuchs.com or contact your

local Pepperl+Fuchs representative.

1.2 Used Symbols

Safety-relevant Symbols

Danger!

This symbol indicates a warning about a possible danger.

In the event the warning is ignored, the consequences may range from personal injury to death.

Warning!

This symbol indicates a warning about a possible fault or danger.

In the event the warning is ignored, the consequences may course personal injury or heaviest

property damage.

Caution!

This symbol warns of a possible fault.

Failure to observe the instructions given in this warning may result in the devices and any

connected facilities or systems develop a fault or fail completely.

Layer thickness sensor

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LAYER THICKNESS SENSOR

Safety

Informative Symbols

Action

This symbol marks an acting paragraph.

1.3 Declaration of Conformity

All products have been developed and manufactured taking into consideration applicable

European standards and regulations.

The manufacturer of this product, Pepperl+Fuchs GmbH in D-68301 Mannheim, Germany, has

a certified quality assurance system in conformity with ISO 9001.

1.4 Intended use

The layer thickness sensor KVF-104-PF (referred to as "sensor" in the following section) is a

suspended sensor for monitoring oil layer thickness in oil/petrol separators.

The KVF-104-PF must always be connected to an ATEX-approved, intrinsically safe warning

device of type LAL-SRW (see product program).

1.4.1 Coding

Note!

This symbol brings important information to your attention.

Note!

A Declaration of Conformity can be requested from the manufacturer.

ISO9001

Pepperl+Fuchs GmbH

68301 Mannheim/Germany

Layer thickness sensor KVF-104-PF

DEMKO 07 ATEX 142586X

II 1G Ex ia IIB T3

LAYER THICKNESS SENSOR

Safety

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1.5 Delivery, Transport and Storage

Check the packaging and contents for damage. In the event of damage, notify the postal

service or express agent and inform the supplier.

Check the scope of supply for completeness and correctness using the order and delivery

papers.

Keep the original packaging.

The device should always be stored or transported in the original packaging.

Always store the device in a dry and clean environment. Observe the permissible storage

temperature (see data sheet).

1.6 Installation and Commissioning

1.6.1 Installation of the sensor

The sensor may be installed in potentially explosive zone 0 in accordance with Directive

94/9/EC (ATEX). The sensor must not be installed in places with potentially aggressive vapors.

The sensor and warning device must be free of voltage during installation and maintenance.

The warning device must only be connected to the supply voltage after complete mounting and

connection of the sensors.

The cable and the identification plate attached to it are elements of the product. The cable must

not be shortened to such an extent that the identification plate is removed. The identification

plate must not be removed.

The sensor has IP68 protection and is weather- and oil-resistant. It can therefore be installed in

oil/petrol separators.

When installing the device in oil/petrol separators, observe the permissible ambient

temperature in the range from -20 °C...60°C (253 K ... 333 K).

1.6.2 Installation in connection with intrinsically safe circuits

Installation of the intrinsically safe power circuits of the devices is permitted in potentially

explosive zones, whereby, in particular, safe separation from all non-intrinsically safe power

circuits must be guaranteed.

The intrinsically safe current circuits must be installed according to valid setup regulations.

For the interconnection of the intrinsically safe field devices and the intrinsically safe power

circuits of the associated devices, the respective maximum values of the field device and the

associated device with regard to explosion protection must be observed (proof of intrinsic

safety). EN 60079-14/IEC 60079-14 must be observed.

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LAYER THICKNESS SENSOR

Safety

1.6.3 Sensor cable

Sensor cables must not be installed in cable or conductor bundles together with other current

circuits. Avoid installing sensor cables parallel to other cables that may transmit interfering

signals, which impair the sensor signal and thus the alarm function. The sensor itself must not

be grounded.

If you extend the sensor cable, observe the applicable ATEX specifications with regard to color,

quality and constancy. Use an unscreened cable with a conductor size of 1 mm².

1. 7 O p e r a t i o n

1.7.1 Caution - emulsions

An oil/petrol separator is a device for separating oil from water. Situations may arise in which

the oil can not be separated because an emulsion has formed. An emulsion is a relatively

stable mixture of oil and water. Sensors can not detect oil if emulsions with a high water content

have formed. Always contact the oil/petrol separator manufacturer if there is any doubt as to

whether the oil has been separated from the water before the liquid is drained to the sewage

system.

1.8 Maintenance

For operation of oil/petrol separators, there may be standards, directives or laws that define

regular system or sensor tests. Check the operation of the sensor at least twice a year and

more frequently in the event of unfavorable environmental conditions.

When the oil/petrol separator is being emptied (disposal), the sensor must always be washed

and dried. The sensor must not be cleaned with caustic fluids. A badly contaminated sensor

can trip a wrong alarm or, in certain circumstances, fail to trip an alarm.

1.9 Repair

The devices may not be repaired, changed or manipulated. If there is a defect, the product

must always be replaced with an original part.

1.10 Disposal

Disposal of devices and their packaging material must be performed in compliance with the

applicable laws and guidelines of the corresponding country.

The devices do not contain batteries which need to be disposed of separately from the

products.

LAYER THICKNESS SENSOR

Safety

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EN - 7

1.11 Applied standards and directives

EN 50020

EN 50178

EN 60079-0

EN 60079-14

EN 60079-26

EN 61000-6-2

EN 61000-6-3

ATEX Directive 94/9/EC

EMC Directive 89/336/EEC

Low Voltage Directive 73/23/EEC

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LAYER THICKNESS SENSOR

Product Specifications

2 Product Specifications

2.1 Function

The sensor has an integrated electronic circuit which, via an oscillator circuit, emits a weak HF

signal that changes depending on whether the sensor element is surrounded by water or by

oil/air. The sensor is capable of distinguishing between air and water, and between water and

oil, but not between air and oil.

2.2 Layout and dimensions

The sensor consists of three sections (see illustration):

• The lower stainless steel section (1) provides electrical connection to the liquid.

• The middle section (2) is electrically isolated.

• The upper section made of stainless steel forms the switch contact (3).

The sensor has a 5-m long oil-resistant cable (4) on which the identification plate is located.

1Lower section

2Middle section

3Upper section

4Cable with identification plate

5Switch point

138

Ø31.6

Layer thickness sensor

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