KROHNE OPTISWITCH 5200C Manuel utilisateur

Operating Instructions

OPTISWITCH 5200 C,5250 C

with transistor output

Contents

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

2.5CE conformity ......................... 5

2.6SIL conformity ......................... 6

2.7Safety information for Ex areas............. 6

3Product description

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

3.2Principle of operation.................... 7

3.3Adjustment ........................... 9

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

4Mounting

4.1General instructions..................... 10

4.2Mounting information .................... 12

5Connecting to power supply

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

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

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

6Set up

6.1General.............................. 20

6.2Adjustment elements .................... 20

6.3Function chart ......................... 21

7Maintenance and fault rectiﬁcation

7.1Maintenance .......................... 23

7.2Fault rectiﬁcation ....................... 23

7.3Instrument repair ....................... 24

8Dismounting

8.1Dismounting procedure .................. 25

8.2Disposal ............................. 25

2OPTISWITCH 5200 C,5250 C-with transistor output

Contents

30432-EN-050622

9Functional safety

9.1General.............................. 26

9.2Planning ............................. 27

9.3Setup ............................... 29

9.4Reaction during operation and in case of failure.29

9.5Recurring function test ................... 30

9.6Safety-related characteristics .............. 30

10 Supplement

10.1Technical data......................... 34

10.2Dimensions ........................... 39

10.3Certiﬁcates ........................... 41

OPTISWITCH 5200 C,5250 C-with transistor output 3

Contents

30432-EN-050622

1About this document

1.1Function

This operating instructions manual has all the information you

need for quick setup and safe operation of OPTISWITCH 5200

C,5250 C.Please read this manual before you start setup.

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,warning,danger

This symbol informs you of a dangerous situation that could

occur.Ignoring this cautionary note can impair the person and/

or the instrument.

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.

4OPTISWITCH 5200 C,5250 C-with transistor output

About this document

30432-EN-050622

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 operator.For safety and warranty reasons,

any internal work on the instruments must be carried out only

by personnel authorised by the manufacturer.

2.2Appropriate use

OPTISWITCH 5200 C,5250 Cis a sensor for level detection.

Detailed information on the application range of OPTISWITCH

5200 C,5250 Cis available in chapter Product description.

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

OPTISWITCH 5200 C,5250 Cis 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 instal-

lation standards (e.g.the VDE regulations in Germany)as well

as all prevailing safety regulations and accident prevention

rules.

2.5CE conformity

OPTISWITCH 5200 C,5250 Cis in CE conformity with EMC

(89/336/EWG), fulﬁls the NAMUR recommendation NE 21 and

is in CE conformity with NSR (73/23/EWG).

Conformity has been judged acc.to the following standards:

lEMC:

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

-Susceptibility EN 61326:1997/A1:1998

lNSR:EN 61010-1:1993

OPTISWITCH 5200 C,5250 C-with transistor output 5

For your safety

30432-EN-050622

2.6SIL conformity

OPTISWITCH 5200 C,5250 Cmeets the requirements to the

functional safety acc.to IEC 61508/IEC 61511.Further

information is available in chapter "Functional safety".

2.7Safety information 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.

6OPTISWITCH 5200 C,5250 C-with transistor output

For your safety

30432-EN-050622

3Product description

3.1Conﬁguration

The scope of delivery encompasses:

lOPTISWITCH 5200 C,5250 Clevel sensor

lDocumentation

-this operating instructions manual

-Ex-speciﬁc safety instructions (with Ex versions)and,if

necessary,further certiﬁcates

OPTISWITCH 5200 C,5250 Cconsists of the following

components:

lHousing cover

lHousing with electronics

lprocess ﬁtting with tuning fork

Fig.1:OPTISWITCH 5200 C,5250 C-with plastic housing

1Housing cover

2Housing with electronics

3Process ﬁtting

3.2Principle of operation

OPTISWITCH 5200 C,5250 Cis a level sensor with tuning

fork for level detection.

Scope of delivery

Components

Area of application

OPTISWITCH 5200 C,5250 C-with transistor output 7

Product description

30432-EN-050622

It is designed for industrial use in all areas of process

technology and is used in liquids.

Typical applications are overﬁll and dry run protection.With a

tuning fork of only 40 mm length,OPTISWITCH 5200 C,5250

Ccan be also mounted,e.g.in pipelines from DN 25.The

small tuning fork allows the use in vessels,tanks and pipes.

Thanks to its simple and robust measuring system,OPTI-

SWITCH 5200 C,5250 Cis virtually unaﬀected by the

chemical and physical properties of the liquid.

It functions also under diﬃcult conditions such as turbulence,

air bubbles,foam generation,buildup,strong external vibration

or changing products.

Fault monitoring

The electronics module of OPTISWITCH 5200 C,5250 C

monitors continuously the following criteria via the frequency

evaluation:

lstrong corrosion or damage of the tuning fork

lno vibration

lline break to the piezo drive

If a fault is detected or in case the power supply fails,the

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

output transistor blocks (safe condition).

OPTISWITCH 5200 C,5250 Cfulﬁlls the requirements of

IEC 61508 and 61511 of SIL2(see Supplement).

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 subjected to

temperature shock limitations.The frequency changes if the

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

by the integrated oscillator and converted into a switching

command.

OPTISWITCH 5200 C,5250 Cis 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.).

The exact range of the power supply is stated in the Technical

data in the Supplement.

Physical principle

Power supply

8OPTISWITCH 5200 C,5250 C-with transistor output

Product description

30432-EN-050622

3.3Adjustment

The switching condition of OPTISWITCH 5200 C,5250 Cwith

plastic housing can be checked when the housing is closed

(LED display). In the basic adjustment,products with a density

>0.7g/cm³(>0.025 lbs/in³)can be detected.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:

lLED for indication of the switching status (green/red)

lDIL switch for switching point adaptation

lMode switch to select 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 acc.to DIN 55439.

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.

lStorage and transport temperature see Supplement –

Technical data –Ambient conditions

lRelative humidity 20 …85 %

Packaging

Storage and transport tempe-

rature

OPTISWITCH 5200 C,5250 C-with transistor output 9

Product description

30432-EN-050622

4Mounting

4.1General instructions

In general,OPTISWITCH 5200 C,5250 Ccan be mounted in

any position.The instrument must be mounted in any position.

The instrument must be mounted in such a way that the tuning

fork is at the height of the requested switching point.

The tuning fork has lateral markings (notches), marking the

switching point with vertical mounting.The switching point

refers to water with the basic setting of the sensitivity switch

>=0.7g/cm³(>=0.025 lbs/in³). When mounting OPTISWITCH

5200 C,5250 C,make sure that this marking is at the height of

the requested switching point.Keep in mind that the switching

point of the instrument is shifted if the medium has a density

other than water -water =1.0g/cm³(=0.036 lbs/in³). For

products <0.7g/cm³(<0.025 lbs/in³)and >0.5g/cm³

(>0.018 lbs/in³)the density switch must be set to >=0.5g/cm³.

Fig.2:Vertical mounting

1Switching point approx.13 mm (ca.0.51 in)

2Switching point with lower density

3Switching point with higher density

4Switching point approx.27 mm (approx.1.06 in)

Switching point

10 OPTISWITCH 5200 C,5250 C-with transistor output

Mounting

30432-EN-050622

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