Serviceline Industrial Sensors
Serviceline Explosion Protection

Thru-beam sensor LD28/LV28-F1-3057/35/47/115b

  • Ultra bright LEDs for power on, weak signal indication and switching state
  • Highly visible LED as alignment aid in receiver optics
  • Delivery status: Light on switching
  • Emitter deactivation
  • Various transmitter frequencies
  • Not sensitive to ambient light, even with switched energy saving lamps
  • Waterproof, degree of protection IP67
  • Protection class II

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, also apply to Pepperl+Fuchs AG.


技術データ  LD28/LV28-F1-3057/35/47/115b

Universal thru-beam sensor, large housing design, 65 m detection range, red light, 25 kHz transmission frequency, light/dark on, DC version, 2 PNP outputs, test input, fixed cable with M12 plug
System components
General specifications
Effective detection range0 ... 65 m
Threshold detection range90 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. 1.3 m at 65 m
Angle of divergenceEmitter 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, flashes in case of short-circuit
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
Electrical specifications
Operating voltage10 ... 30 V DC
Ripple10 %
No-load supply currentEmitter: ≤ 50 mA
Receiver: ≤ 35 mA
Test inputemitter deactivation at +UB (Imax. < 3 mA at 30 V DC)
Switching typelight/dark on , preset to light on
Signal output2 PNP, complementary, short-circuit protected, reverse polarity protected , open collectors
Switching voltagemax. 30 V DC
Switching currentmax. 200 mA
Switching frequency25 Hz
Response time20 ms
Product standardEN 60947-5-2
Approvals and certificates
Protection classII, rated voltage ≤ 250 V AC with pollution degree 1-2 according to IEC 60664-1
UL approvalcULus
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
Housing width25.8 mm
Housing height88 mm
Housing depth54.3 mm
Degree of protectionIP67
Connectionfixed cable 230 mm with M12 x 1 male connector, 4-pin
HousingPlastic ABS
Optical facePlastic pane
Mass500 g (emitter and receiver)

Documents: LD28/LV28-F1-3057/35/47/115b

Instruction leaflets言語ファイルタイプファイルサイズ
Instruction leaflet / Beipackzettel ALLPDF240 KB

Approvals+Certificates: LD28/LV28-F1-3057/35/47/115b

Statements of compliance認証番号ファイルタイプファイルサイズ
EU-Declaration of Conformity / EU-KonformitätserklärungDOC-2135APDF186 KB