Siemens SITRANS LVL200S Bedienungsanleitung

Operating Instructions ·April 2008

SITRANS LVL200S

Content

1About this document

1.1Function ............................. 4

1.2Target group . . . . . . . . . . . . . . . . . . . . . . . . . . 4

1.3Symbolism used . . . . . . . . . . . . . . . . . . . . . . . 4

2For your safety

2.1Authorised personnel . . . . . . . . . . . . . . . . . . . . 5

2.2Appropriate use. . . . . . . . . . . . . . . . . . . . . . . . 5

2.3Warning about misuse . . . . . . . . . . . . . . . . . . . 5

2.4General safety instructions . . . . . . . . . . . . . . . . 5

2.5Safety approval markings and safety tips . . . . . 6

2.6CE conformity . . . . . . . . . . . . . . . . . . . . . . . . . 6

2.7SIL conformity . . . . . . . . . . . . . . . . . . . . . . . . . 6

2.8Safety instructions for Ex areas . . . . . . . . . . . . 6

3Product description

3.1Conﬁguration. . . . . . . . . . . . . . . . . . . . . . . . . . 7

3.2Principle of operation. . . . . . . . . . . . . . . . . . . . 8

3.3Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

3.4Storage and transport . . . . . . . . . . . . . . . . . . . 9

4Mounting

4.1General instructions. . . . . . . . . . . . . . . . . . . . . 11

4.2Mounting instructions. . . . . . . . . . . . . . . . . . . . 14

5Connecting to power supply

5.1Preparing the connection . . . . . . . . . . . . . . . . . 16

5.2Connection procedure . . . . . . . . . . . . . . . . . . . 16

5.3Wiring plan,single chamber housing. . . . . . . . . 17

6Set up

6.1In general . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

6.2Adjustment elements . . . . . . . . . . . . . . . . . . . . 19

6.3Functional chart. . . . . . . . . . . . . . . . . . . . . . . . 20

7Maintenance and fault rectiﬁcation

7.1Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . 22

7.2Remove interferences . . . . . . . . . . . . . . . . . . . 22

7.3Exchange electronics. . . . . . . . . . . . . . . . . . . . 23

7.4Instrument repair . . . . . . . . . . . . . . . . . . . . . . . 23

8Dismounting

8.1Dismounting steps . . . . . . . . . . . . . . . . . . . . . . 24

2SITRANS LVL200SlRELAY (DPDT)

Content

33836-EN-080421

8.2Disposal ............................. 24

9Supplement

9.1Technical data. . . . . . . . . . . . . . . . . . . . . . . . . 25

9.2Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Supplementary documentation

Information:

Supplementary documents appropriate to the ordered version

come with the delivery.You can ﬁnd them listed in chapter

"Product description".

Instructions manuals for accessories and replacement parts

Tip:

To ensure reliable setup and operation of your SITRANS

LVL200S,we oﬀer accessories and replacement parts.The

associated documents are:

l33997 -Electronics module SITRANS LVL200

SITRANS LVL200SlRELAY (DPDT)3

Content

33836-EN-080421

1About this document

1.1Function

This operating instructions manual provides all the information

you need for mounting,connection and setup as well as

important instructions for maintenance and fault rectiﬁcation.

Please read this information before putting the instrument into

operation and keep this manual accessible in the immediate

vicinity of the device.

1.2Target group

This operating instructions manual is directed to trained

personnel.The contents of this manual should be made

available to these personnel and put into practice by them.

1.3Symbolism used

Information,tip,note

This symbol indicates helpful additional information.

Caution:If this warning is ignored,faults or malfunc-

tions can result.

Warning:If this warning is ignored,injury to persons and/or

serious damage to the instrument can result.

Danger:If this warning is ignored,serious injury to persons

and/or destruction of the instrument can result.

Ex applications

This symbol indicates special instructions for Ex applications.

lList

The dot set in front indicates a list with no implied sequence.

àAction

This arrow indicates a single action.

1Sequence

Numbers set in front indicate successive steps in a procedure.

4SITRANS LVL200SlRELAY (DPDT)

About this document

33836-EN-080421

2For your safety

2.1Authorised personnel

All operations described in this operating instructions manual

must be carried out only by trained specialist personnel

authorised by the plant operator.

During work on and with the device the required personal

protection equipment must always be worn.

2.2Appropriate use

SITRANS LVL200Sis a sensor for level detection.

You can ﬁnd detailed information on the application range in

chapter "Product description".

Operational reliability is ensured only if the instrument is

properly used according to the speciﬁcations in the operating

instructions manual as well as possible supplementary

instructions.

For safety and warranty reasons,any invasive work on the

device beyond that described in the operating instructions

manual may be carried out only by personnel authorised by the

manufacturer.Arbitrary conversions or modiﬁcations are

explicitly forbidden.

2.3Warning about misuse

Inappropriate or incorrect use of the instrument can give rise to

application-speciﬁc hazards,e.g.vessel overﬁll or damage to

system components through incorrect mounting or adjustment.

2.4General safety instructions

This is a high-tech instrument requiring the strict observance of

standard regulations and guidelines.The user must take note

of the safety instructions in this operating instructions manual,

the country-speciﬁc installation standards as well as all

prevailing safety regulations and accident prevention rules.

The instrument must only be operated in a technically ﬂawless

and reliable condition.The operator is responsible for trouble-

free operation of the instrument.

SITRANS LVL200SlRELAY (DPDT)5

For your safety

33836-EN-080421

During the entire duration of use,the user is obliged to

determine the compliance of the required occupational safety

measures with the current valid rules and regulations and also

take note of new regulations.

2.5Safety approval markings and safety tips

The safety approval markings and safety tips on the device

must be observed.

2.6CE conformity

SITRANS LVL200Sis in CE conformity with EMC (89/336/

EWG), fulﬁls NAMUR recommendation NE 21 and is in CE

conformity with LVD (73/23/EG).

Conformity has been judged according to the following

standards:

lEMC:

-Emission EN 61326/A1:1998 (class B)

-Susceptibility EN 61326:1997/A1:1998

lLVD:EN 61010-1:1993

2.7SIL conformity

SITRANS LVL200Sfulﬁlls the requirements to functional

safety according to IEC 61508/IEC 61511.You ﬁnd further

information in the Safety Manual "SITRANS LVL200".

2.8Safety instructions for Ex areas

Please note the Ex-speciﬁc safety information for installation

and operation in Ex areas.These safety instructions are part of

the operating instructions manual and come with the Ex-

approved instruments.

6SITRANS LVL200SlRELAY (DPDT)

For your safety

33836-EN-080421

3Product description

3.1Conﬁguration

The scope of delivery encompasses:

lSITRANS LVL200Spoint level sensor

lDocumentation

-this operating instructions manual

-Safety Manual "Functional safety according to

IEC 61508 or IEC 61511 (SIL)"

-Ex-speciﬁc"Safety instructions"(with Ex-versions)

-if necessary,further certiﬁcates

SITRANS LVL200Sconsists of the following components:

lHousing cover

lHousing with electronics

lprocess ﬁtting with tuning fork

Fig.1:SITRANS LVL200S

1Housing cover

2Housing with electronics

3Process ﬁtting

The type label contains the most important data for identi-

ﬁcation and use of the instrument:

lArticle number

lSerial number

lTechnical data

lArticle numbers,documentation

Scope of delivery

Components

Type label

SITRANS LVL200SlRELAY (DPDT)7

Product description

33836-EN-080421

3.2Principle of operation

SITRANS LVL200Sis a point level sensor with tuning fork for

level detection.

It is designed for industrial use in all areas of process

technology and can be used in liquids.

Typical applications are overﬁll and dry run protection.With a

tuning fork of only 40 mm length,SITRANS LVL200Scan be

also mounted,e.g.in pipelines from DN 25.The small tuning

fork allows use in vessels,tanks and pipes.Thanks to its

simple and robust measuring system,SITRANS LVL200Sis

virtually unaﬀected by the chemical and physical properties of

the liquid.

It functions even under diﬃcult conditions such as turbulence,

air bubbles,foam generation,buildup,strong external vibration

or changing products.

Fault monitoring

The electronics module of SITRANS LVL200Scontinuously

monitors via frequency evaluation the following criteria:

lStrong corrosion or damage on the tuning fork

lloss of vibration

lLine break to the piezo drive

If a malfunction is detected or in case of power failure,the

electronics takes on a deﬁned switching condition,i.e.the

relay deenergises (safe condition).

The tuning fork is piezoelectrically energised and vibrates at its

mechanical resonance frequency of approx.1200 Hz.The

piezos are ﬁxed mechanically and are hence not subject to

temperature shock limitations.The frequency changes when

the tuning fork is covered by the medium.This change is

detected by the integrated oscillator and converted into a

switching command.

SITRANS LVL200Sis a compact instrument,i.e.it can be

operated without external evaluation system.The integrated

electronics evaluates the level signal and outputs a switching

signal.With this switching signal,a connected device can be

operated directly (e.g.a warning system,aPLC,a pump etc.).

Data for power supply are speciﬁed in chapter "Technical

data".

Area of application

Functional principle

Supply voltage

8SITRANS LVL200SlRELAY (DPDT)

Product description

33836-EN-080421

3.3Operation

With the factory setting,products with a density >0.07 g/cm³

(0.025 lbs/in³)can be measured.The instrument can be

adapted if products with lower density should be measured.

On the electronics module you will ﬁnd the following indicating

and adjustment elements:

lSignal lamp for indication of the switching condition (green/

red)

lDIL switch for sensitivity adjustment

lMode adjustment for selection of the switching condition

(A/B)

3.4Storage and transport

Your instrument was protected by packaging during transport.

Its capacity to handle normal loads during transport is assured

by a test according to DIN EN 24180.

The packaging of standard instruments consists of environ-

ment-friendly,recyclable cardboard.In addition,the sensor is

provided with a protective cover of ABS.For special versions

PE foam or PE foil is also used.Dispose of the packaging

material via specialised recycling companies.

Transport must be carried out under consideration of the notes

on the transport packaging.Nonobservance of these instruc-

tions can cause damage to the device.

The delivery must be checked for completeness and possible

transit damage immediately at receipt.Ascertained transit

damage or concealed defects must be appropriately dealt

with.

Up to the time of installation,the packages must be left closed

and stored according to the orientation and storage markings

on the outside.

Unless otherwise indicated,the packages must be stored only

under the following conditions:

lNot in the open

lDry and dust free

lNot exposed to corrosive media

lProtected against solar radiation

lAvoiding mechanical shock and vibration

Packaging

Transport

Transport inspection

Storage

SITRANS LVL200SlRELAY (DPDT)9

Product description

33836-EN-080421

lStorage and transport temperature see "Supplement -

Technical data -Ambient conditions"

lRelative humidity 20 …85 %

Storage and transport

temperature

10 SITRANS LVL200SlRELAY (DPDT)

Product description

33836-EN-080421

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