Pepperl+Fuchs LD28/LV28-LAS-F1-7675 Thru-beam sensor (pair)

Pepperl+Fuchs LD28/LV28-LAS-F1-7675
Item Number: LD28/LV28-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
  • Emitter with test input
  • Laser version for long ranges
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Light typemodulated visible red light
Mission Time (TM)20 a
Response time0.5 ms
Housing width25.8 mm
Housing height88 mm
Ripple10 %
MTTFd540 a
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
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
Alignment aidLED red (in receiver lens)
illuminated constantly: beam is interrupted,
flashes: reaching switching point,
off: sufficient stability control
Pre-fault indication output1 PNP transistor, short-circuit protected, protected from reverse polarity, open collector, Umax = 30 V DC, Imax = 0.2 A
The output becomes inactive if the signal level has fallen below the function reserve for approx. 10 s (yellow and red LEDs flash).
If the light beam is interrupted four times during this period, the output immediately becomes inactive.
Product standardEN 60947-5-2
Storage temperature-20 ... 75 В°C (-4 ... 167 В°F)
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
Operating voltage10 ... 30 V DC
Degree of protectionIP67
No-load supply currentEmitter: 55 mA
Receiver: 40 mA
Light sourcelaser diode
Mass140 g (emitter and receiver)
CCC approvalCCC approval / marking not required for products rated 36 V
Switching currentmax. 100 mA
Diagnostic Coverage (DC)90 %
Switching voltagemax. 30 V DC
UL approvalcULus Listed , Class 2 power source
Control elementssensitivity adjustment (Adjustment to < 25% of the effective operating range) , Light-on/dark-on changeover switch
Housing depth54.3 mm
Switching frequency1000 Hz
Threshold detection range150 m
Angle of divergenceEmitter: 0.23 В°
Receiver: 5 В°
Signal output1 push-pull (4 in 1) output, short-circuit protected, reverse polarity protected
Protection classII, rated voltage 250 V AC with pollution degree 1-2 according to IEC 60664-1
Test inputemitter deactivation at +UB
Ambient light limit50000 Lux
Connection5-pin, M12 x 1 plastic connector
Operation indicatorLED green
Ambient temperature0 ... 40 В°C (32 ... 104 В°F)
Switching typelight/dark on, switchable
Effective detection range0 ... 120 m
Laser safetyEN 60825-1


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