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Thru-beam sensor (pair) LA28/LK28-LAS-F1-7675

LA28/LK28-LAS-F1-7675
  • Universal series with highly versatile fields of use
  • Resistant against noise: reliable operation under all conditions
  • Highly visible LED as alignment aid in receiver optics
  • Programmable time function GAN, GAB, IAB as well as GAN-IAB and GAN-GAB as double function
  • Laser version for long ranges

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.

Stáhněte si kompletní katalogový list ve formátu PDF:


Výňatek z katalogového listu: Technická data   LA28/LK28-LAS-F1-7675

Popis produktu
Universal thru-beam sensor, large housing design, 120 m detection range, red laser light, laser class 2, 25 kHz transmission frequency, light/dark on, AC version, relay output, timer function, terminal compartment
System components
EmitterLA28-LAS-F1-7675
ReceiverLK28-LAS-F1-Z-7675
General specifications
Effective detection range0 ... 120 m
Threshold detection range150 m
Light sourcelaser diode
Light typemodulated visible red light
Laser nominal ratings
NoteLASER LIGHT , DO NOT STARE INTO BEAM
Laser class2
Wave length650 nm
Beam divergence< 4 mrad
Pulse length20 µs
Repetition rate25 kHz
max. pulse energy18 nJ
Alignment aidLED red (in receiver lens)
illuminated constantly: beam is interrupted,
flashes: reaching switching point,
off: sufficient stability control
Diameter of the light spotApprox. 20 mm at 5 m, approx. 75 mm x 300 mm at 70 m horizontal in relation to the housing axis
Angle of divergenceEmitter: 0.23 °
Receiver: 5 °
Ambient light limit50000 Lux
Functional safety related parameters
MTTFd440 a
Mission Time (TM)20 a
Diagnostic Coverage (DC)0 %
Indicators/operating means
Operation indicatorLED green
Function indicatorLED yellow:
1. LED lit constantly: signal > 2 x switching point (function reserve)
2. LED flashes: signal between 1 x switching point and 2 x switching point
3. LED off: signal < switching point
Control elementssensitivity adjustment (Adjustment to < 25% of the effective operating range) , Light-on/dark-on changeover switch
Electrical specifications
Operating voltage12 ... 240 V AC/DC
Power consumption≤ 3.5 VA
Output
Switching typelight/dark on, switchable . (selectable, light/dark switching is only activated if the receiver has 'dark on' selected.)
Signal outputRelay, 1 alternator
Switching voltagemax. 250 V AC/DC
Switching currentmax. 2 A
Switching powerDC: max. 50 W AC: max. 500 VA
Switching frequency25 Hz
Response time20 ms
Timer functionON delay (GAN), OFF delay (GAB), one shot (IAB), ON delay-OFF delay (GAN-GAB), programmable
adjustment range 0.1 ...10 s
Conformity
Product standardEN 60947-5-2
Laser safetyEN 60825-1
Approvals and certificates
Protection classII, rated insulation voltage ≤ 250 V AC with pollution degree 1-2 according to IEC 60664-1 Output circuit insulated from control circuit in accordance with IEC 61140.
Caution!
The protection class 2 is only valid when the terminal compartment is closed.
UL approvalcULus Listed
Caution: This equipment is considered as open-type equipment. It must be mounted within an enclosure, that is suitably designed for protection against internal fire and personal injury resulting from accessibility to live parts according UL 508.
FDA approvalIEC 60825-1:2007 Complies with 21 CFR 1040.10 and 1040.11 except for deviations pursuant to Laser Notice No. 50, dated June 24, 2007
Ambient conditions
Ambient temperature0 ... 40 °C (32 ... 104 °F)
Storage temperature-20 ... 75 °C (-4 ... 167 °F)
Mechanical specifications
Housing width25.8 mm
Housing height88 mm
Housing depth65.5 mm
Degree of protectionIP67
Connectionterminal compartment with 8 spring-loaded terminals for wire cross section 0.5 ... 1.5 mm2 , Insulation stripping 7.5 ... 8.5 mm , M16 x 1.5 cable gland
Material
HousingPlastic ABS
Optical facePlastic pane
Mass200 g (emitter and receiver)

Documents: LA28/LK28-LAS-F1-7675

Instruction leafletsJazykTyp souboruVelikost souboru
Instruction leaflet / Beipackzettel ALLPDF663 KB

Approvals+Certificates: LA28/LK28-LAS-F1-7675

CertificatesČíslo certifikátuTyp souboruVelikost souboru
Canada USA UL Ordinary Location20170307-E87056PDF403 KB
China CQC CCC2020970305000329PDF536 KB
EU Pepperl+FuchsPF08CERT1244PDF503 KB

Související produkty: LA28/LK28-LAS-F1-7675

Accessories
Mounting aid for round steel ø 12 mm or sheet 1.5 mm ... 3 mmfa
Mounting bracket fa
Mounting bracket fa
Mounting bracket fa
Mounting bracket for rear wall mountingfa
Weld slag cover modelfa