WIKA OLS-C20 Bedienungsanleitung
DE
EN
Operating instructions
Betriebsanleitung
Mode d’emploi
Manual de instrucciones
ES
FR
Optoelectronic level switch, model OLS-C20
Optoelektronischer Füllstandsschalter, Typ OLS-C20
Commutateur de niveau opto-électronique, type OLS-C20
Interruptor de nivel optoelectrónic, modelo OLS-C20
Optoelectronic level switch, high-pressure version, model OLS-C20
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Operating instructions optoelectronic level sensor, model OLS-C20
DE
EN
DE
EN
Operating instructions model OLS-C20 Page 3 - 18
Betriebsanleitung Typ OLS-C20 Seite 19 - 34
Mode d'emploi type OLS-C Page 35 - 50
Manual de instrucciones modelo OLS-C20 Página 51 - 65
© 05/2015 WIKA Alexander Wiegand SE & Co. KG
All rights reserved. / Alle Rechte vorbehalten.
WIKA®and KSR®are registered trademarks in various countries.
WIKA®und KSR®sind geschützte Marken in verschiedenen Ländern.
Prior to starting any work, read the operating instructions!
Keep for later use!
Vor Beginn aller Arbeiten Betriebsanleitung lesen!
Zum späteren Gebrauch aufbewahren!
Lire le mode d‘emploi avant de commencer toute opération !
A conserver pour une utilisation ultérieure !
¡Leer el manual de instrucciones antes de comenzar cualquier trabajo!
¡Guardar el manual para una eventual consulta!
EN
Operating instructions model OLS-C20
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Contents
Declarations of conformity can be found online at www.wika.com.
Contents
1. General information 4
2. Design and function 5
3. Safety 6
4. Transport, packaging and storage 10
5. Commissioning, operation 10
6. Faults 12
7. Maintenance and cleaning 13
8. Dismounting, return and disposal 14
9. Specifications 15
Appendix: EC declaration of conformity 17
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Operating instructions model OLS-C20
1. General information
■
The level switches described in the operating instructions have
been designed and manufactured using state-of-the-art technology.
All components are subject to stringent quality and environmental
criteria during production. Our management systems are certied to
ISO 9001 and ISO 14001.
■
These operating instructions contain important information on
handling the instrument.Working safely requires that all safety
instructions and work instructions are observed.
■
Observe the relevant local accident prevention regulations and
general safety regulations for the instrument's range of use.
■
The operating instructions are part of the product and must be kept
in the immediate vicinity of the instrument and readily accessible to
skilled personnel at any time. Pass the operating instructions onto the
next operator or owner of the instrument.
■
Skilled personnel must have carefully read and understood the
operating instructions prior to beginning any work.
■
The general terms and conditions contained in the sales
documentation shall apply.
■
Subject to technical modications.
■
Further information:
- Internet address: www.wika.de / www.wika.com
- Relevant data sheet: LM 31.02
1. General information
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Operating instructions model OLS-C20
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2. Design and function
2.1 Description
This instrument is used for the detection
of limit levels in liquids. The measuring
principle is independent of refractive
index, colour, density, conductivity and
dielectric constant.The switches consist
of an infrared LED and a phototransistor.
The light of the LED is directed into a
prism. So long as the sensor tip of the
prism is in the gas phase, the light is
reected within the prism to the receiver.
When the liquid in the vessel rises and
wets the glass tip, the infrared lightbeam
into the liquid is interrupted and only a
small portion reaches the receiver.
The integrated switch electronics oer an automatic adjustment so
that there is a wide eld of application. For the output, there is an O.C.
pnp-transistor switching output or a relay switching output.
2.2 Instrument construction
Depending on the switch type, the instruments are tted with dierent
process connections. These contain a glass prism and the electronics
responsible for the evaluation.
Operating principle
Gas
Liquid
2. Design and function
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Operating instructions model OLS-C20
Dimensions in mm
2.3 Scope of delivery
Cross-check scope of delivery with delivery note.
3. Safety
3.1 Explanation of symbols
WARNING!
... indicates a potentially dangerous situation that can result
in serious injury or death, if not avoided.
Information
... points out useful tips, recommendations and information
for ecient and trouble-free operation.
Cable outlet
(alternatively circular
connector)
Legend:
ML xed measuring length 24 mm
green
LED
Cable length
3,000
2. Design and function / 3. Safety
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Operating instructions model OLS-C20
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3.2 Intended use
The optoelectronic level switches should only be used for level control or
monitoring of liquid media. Their scope of application is dened by their
technical performance limits and their materials. Improper use is dened
as any application that exceeds the technical performance limits or is
not compatible with the materials. Checking against improper use is the
responsibility of the operator.
■
The liquids must not have any large contamination or coarse
particulates and must not have a tendency to crystallise. Ensure
that the wetted materials of the switch are suciently resistant to
the medium being monitored. Not suitable for dispersion, abrasive
liquids, highly viscous media and colours.
■
This instrument is not permitted to be used in hazardous areas!
■
The maximum power and voltage values as specied in the operating
instructions should be adhered to.
■
Do not operate the instruments in the immediate vicinity of strong
electromagnetic elds or in the immediate vicinity of equipment that
can be aected by magnetic elds (min. clearance 1 m).
■
The responsiveness of the instrument is preset and cannot be
adjusted.
■
The switches must not be exposed to heavy mechanical strain
(impact, bending, vibration).
The instrument has been designed and built solely for the intended use
described here, and may only be used accordingly.
The manufacturer shall not be liable for claims of any type based on
operation contrary to the intended use.
3. Safety
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Operating instructions model OLS-C20
3. Safety
3.3 Improper use
WARNING!
Injuries through improper use
Improper use of the instrument can lead to hazardous
situations and injuries.
▶
Refrain from unauthorised modifications to the
instrument.
▶
Do not use the instrument within hazardous areas.
Any use beyond or dierent to the intended use is considered as
improper use.
Do not use this instrument in safety or emergency stop devices.
3.4 Responsibility of the operator
The instrument is used in the industrial sector.The operator is therefore
responsible for legal obligations regarding safety at work.
The safety instructions within these operating instructions, as well as the
safety, accident prevention and environmental protection regulations for
the application area must be maintained.
To ensure safe working on the instrument, the operating company must
ensure
■
that the operating personnel are regularly instructed in all topics
regarding work safety, rst aid and environmental protection
and know the operating instructions and in particular, the safety
instructions contained therein.
■
that the instrument is suitable for the particular application in
accordance with its intended use.
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Operating instructions model OLS-C20
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3. Safety
3.5 Personnel qualification
WARNING!
Risk of injury should qualication be insucient
Improper handling can result in considerable injury and
damage to equipment.
▶
The activities described in these operating instructions
may only be carried out by skilled personnel who have
the qualifications described below.
Skilled personnel
Skilled personnel, authorised by the operator, are understood to
be personnel who, based on their technical training, knowledge
of measurement and control technology and on their experience
and knowledge of country-specic regulations, current standards
and directives, are capable of carrying out the work described and
independently recognising potential hazards.
3.6 Labelling, safety marks
Product label (example)
Model
Article number
Electrical connection
Before mounting and commissioning the instrument, ensure
you read the operating instructions!
SA
G1/2
24 V
+-
WIKA Alexander Wiegand
SE&Co. KG
Alexander-Wiegand-Straße
63911 Klingenberg
Out-
put
Art.-Nr.13496159
Model OLS-C20
BN (2) WS (1) GN (3)
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Operating instructions model OLS-C20
4. Transport, packaging and storage
4.1 Transport
Check the switch for any damage that may have been caused by
transport.
Obvious damage must be reported immediately.
4.2 Packaging and storage
Do not remove packaging until just before mounting.
Permissible conditions at the place of storage:
Storage temperature: 0 ... 70 °C
5. Commissioning, operation
When unpacking the switch, check all components for any external
damage. Prior to installation, a functional check can also be carried out.
For this, the instrument should be connected temporarily and the glass
prism dipped in and out of a glass of liquid to test it.
5.1 Mounting
■
Before installation, it must be ensured that the mounting hole and
the xing device for the switches in the vessel are correct in size
and dimension.
■
Mount the switch, pressure-sealed, into the process connection.
■
Following installation, the glass tip should have a distance of at
least 10 mm to the opposite wall. This minimum clearance can vary
dependent upon the geometry and surface nish of the wall. Note:
with electropolished pipes, the minimum distance to the opposite
surface must be a minimum of 20 mm.
4. Transport, packaging ... / 5. Commissioning ...
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