Serviceline Industrial Sensors
Serviceline Explosion Protection
Not available for purchase
Not available for purchase

Thru-beam sensor LD28/LV28-F1/49/74/76a

LD28/LV28-F1/49/74/76a
  • 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
  • Emitter with test input
  • Version with red light

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.

Download the complete datasheet as a PDF:


Datasheet excerpt: Technical data of  LD28/LV28-F1/49/74/76a

Product Description
Universal thru-beam sensor, large housing design, 30 m detection range, red light, 25 kHz transmission frequency, light/dark on, DC version, NPN output, PNP output, test input, M18 plug
System components
EmitterLD28-F1/74/76a
ReceiverLV28-F1/49/74
General specifications
Effective detection range0 ... 30 m
Threshold detection range40 m
Light sourceLED
Light typemodulated visible red light , 660 nm
Alignment aidLED red (in receiver lens)
illuminated constantly: beam is interrupted,
flashes: reaching switching point,
off: sufficient stability control
Transmitter frequencyF1 = 25 kHz
Diameter of the light spotapprox. 0.6 m at 30 m
Opening angleEmitter 1.2°,
Receiver 5°
Ambient light limit50000 Lux
Functional safety related parameters
MTTFd620 a
Mission Time (TM)20 a
Diagnostic Coverage (DC)90 %
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 voltage10 ... 30 V DC
Ripple10 %
No-load supply currentEmitter: ≤ 50 mA
Receiver: ≤ 35 mA
Input
Test inputemitter deactivation at +UB (Imax. < 3 mA at 30 V DC)
Output
Switching typelight/dark on, switchable
Signal output1 NPN, 1 PNP synchronized-switching, short-circuit protected, reverse polarity protected , open collectors
Switching voltagemax. 30 V DC
Switching currentmax. 200 mA
Switching frequency1000 Hz
Response time0.5 ms
Conformity
Product standardEN 60947-5-2
Approvals and certificates
EAC conformityTR CU 020/2011
Protection classII, rated voltage ≤ 250 V AC with pollution degree 1-2 according to IEC 60664-1
UL approvalcULus Listed , Class 2 power source
CCC approvalCCC approval / marking not required for products rated ≤36 V
Ambient conditions
Ambient temperature-40 ... 60 °C (-40 ... 140 °F)
Storage temperature-40 ... 75 °C (-40 ... 167 °F)
Mechanical specifications
Degree of protectionIP67
Connection4-pin, M18 plastic connector
Material
HousingPlastic ABS
Optical facePlastic pane
Mass140 g (emitter and receiver)
Dimensions
Height88 mm
Width25.8 mm
Depth54.3 mm

Classifications

SystemClasscode
ECLASS 13.027270901
ECLASS 12.027270901
ECLASS 11.027270901
ECLASS 10.0.127270901
ECLASS 9.027270901
ECLASS 8.027270901
ECLASS 5.127270901
ETIM 9.0EC002716
ETIM 8.0EC002716
ETIM 7.0EC002716
ETIM 6.0EC002716
ETIM 5.0EC002716
UNSPSC 12.139121528

Details: LD28/LV28-F1/49/74/76a

Product Documentation: LD28/LV28-F1/49/74/76a

Language Selection:
Brief InstructionsLanguageFile TypeFile Size
Instruction leaflet / BeipackzettelALLPDF428 KB

Approvals: LD28/LV28-F1/49/74/76a

Language Selection:
CertificatesCertificate No.LanguageFile TypeFile Size
Canada USA UL Ordinary LocationE87056ALLLINK---
Declaration of Conformity
EU Declaration of Conformity (P+F) / EU-Konformitäterklärung (P+F)DOC-2135AALLPDF186 KB

Associated Products: LD28/LV28-F1/49/74/76a

Accessories
Mounting aid for round steel ø 12 mm or sheet 1.5 mm ... 3 mmfa
Mounting bracket: mounting aid for sensors in the RL* seriesfa
Mounting aid for RL* seriesfa
Mounting bracket for rear wall mountingfa
Weld slag cover modelfa
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