Serviceline Industrial Sensors
Serviceline Explosion Protection

Capacitive limit switch LCL1

LCL1
  • Limit switch for bulk solids
  • Device with rod probe
  • Complete unit consisting of the probe and electronic insert
  • Integrated active build-up compensation: exact switch point, even with strong build-up
  • Mechanically rugged: no wearing parts, long operating life, maintenance-free

Please note: All product-related documents, such as certificates, declarations of conformity, etc., which were issued prior to the conversion under the name Pepperl+Fuchs GmbH or Pepperl+Fuchs AG, also apply to Pepperl+Fuchs SE.

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General specifications
Measuring methodA metal plate at the end of the probe, within the insulation, and the surroundings (e. g. the silo walls) combine to form the two electrodes of a capacitor. If the probe is covered or free of material, then the capacitance changes and the LCL switches.
Equipment architectureThe measuring system consists of:
- the device
- a supply point
- the connected control systems, switching units, signalling systems (e. g. lamps, horns, PCS, PLC, etc.)
Construction typedevice with rod probe
Operating modeMAX = maximum safety:
The device switches if the probe is covered or if the supply voltage is disconnected in a safety-oriented manner (signal on alarm).
example application: overspill protection
MIN = minimum safety:
The device switches if the probe is uncovered or if the supply voltage is disconnected in a safetyoriented manner (signal on alarm).
example application: dry-running protection
SeriesLCL1
Supply
Rated voltageelectrical connection E5: 10.8 ... 45 V DC, short-term pulse on 55 V DC
electrical connection WA: 20 ... 235 V AC, 50/60 Hz or 20 ... 55 V DC
Current consumptionelectrical connection E5: max. 30 mA, reverse-polarity-proof
electrical connection WA: max. 130 mA
Electrical specifications
Surge protectionovervoltage category III
Input
Measured variablelimit level (limit value)
Measuring rangedielectric constant ≥ 1.6
Output
Switch-on delaycorrect switching after max. 1.5 s
Output signalconnection E5: switching PNP, Imax = 200 mA
- overload and short circuit protection
- residual voltage at transistor at Imax < 2.9 V
connection WA: contact change-over, potential-free
- Umax = 253 V
- Imax = 4 A (AC)
- Pmax = 1000 VA, cos φ = 1, Pmax = 500 VA, cos φ > 0.7
Signal on alarmconnection E5: < 100 µA
connection WA: relay de-energized
Directive conformity
Electromagnetic compatibility
Directive 2014/30/EUEN 61326-1:2006 , EN 61326-2-3:2006
Low voltage
Directive 2014/35/EUEN 61010-1:2010
Conformity
Electromagnetic compatibilityNE 21
Degree of protectionIEC 60529:2001
Vibration resistanceEN 60068-2-64
Climate classEN 60068, part 2-38 (test Z/AD)
Measurement accuracy
Reference operating conditionsvessel type: plastic vessel, ambient temperature: 73 °F (23 °C, 296 K), medium temperature: 73 °F (23 °C, 296 K)
medium pressure pe: 0 bar, medium: dielectric constant = 2.6, conductivity: < 1 µS
sensitivity setting: C
Hysteresishorizontal 4 mm (0.16 inch), vertical 7 mm (0.28 inch)
Long-term drifthorizontal 3 mm (0.12 inch), vertical 6 mm (0.24 inch)
Influence of medium temperaturedepending on the filling material
Switching timeapprox. 0.5 s when covering and uncovering the sensor
Operating conditions
Installation conditions
Installation positionany position
Mounting locationThe capacitive limit switch can be installed in silos made of different materials (e. g. metal, plastic, concrete).
Process conditions
Process temperature-40 ... 130 °C (-40 ... 266 °F)
-40 ... 80 °C (-40 ... 176 °F) (Dust-Ex version)
Medium pressure limits-1 ... 25 bar
State of aggregationsolids
Solid contents≤ ∅ 30 mm
Bulk density≤ 200 g/l
Ambient conditions
Ambient temperature-40 ... 80 °C (-40 ... 176 °F)
-40 ... 60 °C (-40 ... 140 °F) (Dust-Ex version)
Storage temperature-40 ... 80 °C (-40 ... 176 °F)
Shock resistancedevice with F34 housing: 7 J
Vibration resistancea(RMS) = 50 m/s2, ASD = 1.25 (m/s2)2/Hz, f = 5 to 2000 Hz, t = 3 x 2 h
Mechanical specifications
Degree of protectionIP66, NEMA 4
Connectiongland M20
thread G1/2, NPT1/2
MaterialF14 housing: polyester PBT-FR
F34 housing F34: aluminum
Probe: PPS GF40
Dimensionsmax. ∅94 mm (3.7 inch), length 391 mm (15.4 inch)
Process connectionthread R1 acc. to EN 10226, BSPT, adapter for R1-1/2 and G1-1/2 see accessories
thread NPT1 to ANSI B 1.20.1, adapter for NPT1-1/4 see accessories
Data for application in connection with hazardous areas
EU-type examination certificatesee instruction manuals (SI)
Directive conformity
Directive 2014/34/EUEN 60079-0:2012+A11:2013 , EN 60079-11:2012 , EN 60079-31:2009
General information
Supplementary documentationtechnical information (TI)
manuals, brief instructions (BA, KA)
instruction manuals (SI)
Supplementary informationObserve the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com.
Accessories
Designation- LCL-Z10 cover with sight glass for F14 housing
- LCL-Z11 adapter for R1-1/2, EN 10226
- LCL-Z12 adapter for G1-1/2, DIN ISO 228
- LCL-Z13 adapter for NPT1-1/4, steel
- LCL-Z15 adapter for NPT1-1/4, 1.4571

Classifications

SystemClasscode
ECLASS 13.027200503
ECLASS 12.027200503
ECLASS 11.027200503
ECLASS 10.0.127200503
ECLASS 9.027200503
ECLASS 8.027200503
ECLASS 5.127200503
ETIM 9.0EC001447
ETIM 8.0EC002993
ETIM 7.0EC002993
ETIM 6.0EC002993
ETIM 5.0EC001447
UNSPSC 12.141111950

Details: LCL1

Product Documentation: LCL1

Language Selection:
Product information언어파일 타입파일 크기
TI00287O, Technical information LCL*ENGPDF1024 KB
Brief Instructions
KA00093O, brief instructions LCL1 / KA00093O, Kurzanleitung LCL1ALLPDF2015 KB
KA00094O, brief instructions LCL1, factory settings / KA00094O, Kurzanleitung LCL1, WerkseinstellungALLPDF173 KB
KA00098O, Brief instructions adapter R1-1/2, G1-1/2 / KA00098O, Kurzanleitung Adapter R1-1/2, G1-1/2ALLPDF523 KB
Safety and Security Documentation
SI00011O, Instruction manual LCL1ENGPDF881 KB

Approvals: LCL1

Language Selection:
Certificates인증서 번호언어파일 타입파일 크기
Canada CSACoC 212978ALLPDF251 KB
Europe DEKRA EXAMDMT 01 ATEX E 122ALLPDF973 KB
Europe DEKRA EXAM ATEX Category 1/3 DDMT 01 ATEX E 122ALLPDF764 KB
USA FMCoC 3013716ALLPDF52 KB
Declaration of Conformity
EU Declaration of Conformity (P+F) / EU-Konformitäterklärung (P+F)DOC-2219CALLPDF269 KB
EU Declaration of Conformity (P+F) / EU-Konformitäterklärung (P+F)DOC-2547BALLPDF260 KB
EU Declaration of Conformity (P+F) / EU-Konformitäterklärung (P+F)DOC-2220BALLPDF261 KB
Contamination Declaration
Contamination declaration / Kontaminationserklärung   ALLPDF137 KB