WIKA LSD-30 Bedienungsanleitung
Operating instructions
Betriebsanleitung
Mode d'emploi
Manual de instrucciones
GB
D
F
E
Füllstandsschalter Typ LSD-30
Level switch model LSD-30
Level switch model LSD-30
Commutateur de niveau type LSD-30
Interruptor de nivel modelo LSD-30
2 WIKA operating instructions level switch model LSD-30
GB
D
F
E
11613033.01 01/2012 GB/D/F/E
© 2012 WIKA Alexander Wiegand SE & Co. KG
All rights reserved. / Alle Rechte vorbehalten.
WIKA® is a registered trademark in various countries.
WIKA® ist eine geschützte Marke 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 posterior!
Operating instructions model LSD-30 Page 3 - 28
Betriebsanleitung Typ LSD-30 Seite 29 - 54
Mode d'emploi type LSD-30 Page 55 - 78
Manual de instrucciones modelo LSD-30 Página 79 - 103
3WIKA operating instructions level switch model LSD-30
GB
1. General information 4
2. Safety 6
3. Specications 9
4. Design and function 15
5. Transport, packaging and storage 15
6. Commissioning, operation 16
7. Maintenance and cleaning 24
8. Faults 24
9. Dismounting, return and disposal 26
Appendix 1: EC Declaration of conformity model LSD-30 27
11613033.01 01/2012 GB/D/F/E
Contents
Contents
Declarations of conformity can be found online at www.wika.com.
4 WIKA operating instructions level switch model LSD-30
GB
11613033.01 01/2012 GB/D/F/E
1. General information
■
The level switch described in the operating instructions has 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.
■
Skilled personnel must have carefully read and understood the operating instructions, prior to begin-
ning any work.
■
The manufacturer's liability is void in the case of any damage caused by using the product contrary
to its intended use, non-compliance with these operating instructions, assignment of insuciently
qualied skilled personnel or unauthorised modications to the instrument.
■
The general terms and conditions contained in the sales documentation shall apply.
■
Subject to technical modications.
■
Further information:
- Internet address: www.wika.com / www.wika.de
- Relevant data sheet: LM 40.01
- Application consultant: Tel.: (+49) 9372/132-8976
Fax: (+49) 9372/132-8008976
E-mail: [email protected]
1. General information
5WIKA operating instructions level switch model LSD-30
GB
11613033.01 01/2012 GB/D/F/E
Explanation of symbols
WARNING!
... indicates a potentially dangerous situation which can result in serious injury or death if not
avoided.
CAUTION!
... indicates a potentially dangerous situation which can result in light injuries or damage to
the equipment or the environment if not avoided.
Information
… points out useful tips, recommendations and information for ecient and trouble-free
operation.
CAUTION!
... indicates a potentially dangerous situation that can result in burns, caused by hot
surfaces or liquids, if not avoided.
Abbreviations
U+Positive power terminal
U- Reference potential
S+Analogue output
SP1 Switch point 1
SP2 Switch point 2
MBA Start of measuring range
MBE End of measuring range
1. General information
6 WIKA operating instructions level switch model LSD-30
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11613033.01 01/2012 GB/D/F/E
2. Safety
WARNING!
Before installation, commissioning and operation, ensure that the appropriate level switch
has been selected in terms of measuring range, design and specic measuring conditions.
Non-observance can result in serious injury and/or damage to the equipment.
WARNING!
Observe the working conditions in accordance with Chapter 3 "Specications".
Further important safety instructions can be found in the individual chapters of these
operating instructions.
2.1 Intended use
The level switch is used to convert a level into an electrical signal indoors and outdoors.
The level switch has been designed and built solely for the intended use described here, and may only
be used accordingly.
The technical specications contained in these operating instructions must be observed. Improper
handling or operation of the level switch outside of its technical specications requires the instrument to
be taken out of service immediately and inspected by an authorised WIKA service engineer.
The manufacturer shall not be liable for claims of any type based on operation contrary to the intended
use.
2. Safety
7WIKA operating instructions level switch model LSD-30
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11613033.01 01/2012 GB/D/F/E
2.2 Personnel qualication
WARNING!
Risk of injury if qualication is 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 qualications described below.
Skilled personnel
Skilled personnel 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.
Special operating conditions require further appropriate knowledge, e.g. of aggressive media.
2.3 Special hazards
WARNING!
For hazardous media, in addition to all standard regulations, the appropriate existing codes
or regulations must also be followed.
WARNING!
Residual media in dismounted level switches can result in a risk to persons, the
environment and equipment.
Take sucient precautionary measures.
CAUTION!
Operate the level switch only at a minimum distance of 1 m from electromagnetic elds.
2. Safety
8 WIKA operating instructions level switch model LSD-30
GB
11613033.01 01/2012 GB/D/F/E
2.4 Labelling / safety marks
Product label
2. Safety
Power supply
P# Product no.
S# Serial no.
Analogue signal
Switching output 1
Switching output 2
If the serial number becomes illegible (e.g. due to mechanical damage or overpainting), traceability will
no longer be possible.
Explanation of symbols
General danger symbol
CE, Communauté Européenne
Instruments bearing this mark comply with the relevant European directives.
Maximum working pressure
9WIKA operating instructions level switch model LSD-30
GB
11613033.01 01/2012 GB/D/F/E
3. Specications
3. Specications
3.1 Measuring ranges
for parallel process connections
Probe length F 250 370 410 520 730
mm 189 309 349 459 669
inch 7.44 12.17 13.74 18.07 26.34
for tapered process connections
Probe length F 250 370 410 520 730
mm 205 325 365 475 685
inch 8.07 12.80 14.37 18.70 26.93
Insertion lengths see "Insertion lengths in mm"
Specic gravity range of the medium
≥ 0.7 g/cm3
3.2 Display
14-segment LED, red, 4-digit, character size 9 mm
Display can be turned electronically through 180°
Update
200 ms
10 WIKA operating instructions level switch model LSD-30
GB
11613033.01 01/2012 GB/D/F/E
3. Specications
3.3 Output signal
Switching output 1 Switching output 2 Analogue signal
PNP - 4 ... 20 mA
PNP - DC 0 ... 10 V
PNP PNP -
PNP PNP 4 ... 20 mA
PNP PNP DC 0 ... 10 V
Alternatively also available with NPN rather than PNP switching output.
Oset adjustment (display)
max. +1,500 mm
Scaling (display and analogue signal)
Zero point: max. +25 % of span
Final value: max. -25 % of span
Analogue signal
Load
■
Current output: ≤ 500 Ω
■
Voltage output: > 10 kΩ
Switching output
Switching point 1 and 2 are individually adjustable
Function
■
Normally open and
normally closed: freely adjustable
■
Window and hysteresis: freely adjustable
Switching voltage: Power supply – 1 V
Switching current: max. 250 mA per
switching output
Response time: < 200 ms
Adjustment accuracy: 2.5 mm steps
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