Pepperl+Fuchs LD31/LV31/76a/115/136 Thru-beam sensor

Pepperl+Fuchs LD31/LV31/76a/115/136
Item Number: LD31/LV31/76a/115/136
  • Highly visible LED
  • Powerful push-pull output
  • Compact and stable housing
  • Protection class II
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Light typemodulated visible red light , 630 nm
Switching typedark on
Effective detection range0 ... 30 m
Diagnostic Coverage (DC)90 %
Operating voltage10 ... 30 V DC
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
Signal output2 push-pull (4 in 1) outputs, short-circuit protected, reverse polarity protected
Degree of protectionIP67
ConnectionEmitter: 2 m fixed cable , 3-wire
Receiver: 2 m fixed cable , 4-wire
Mission Time (TM)20 a
Angle of divergenceEmitter: 1.5 В° , Receiver: 1.5 В°
Diameter of the light spotapprox. 800 mm at a distance of 30 m
Directive conformityEMC Directive 2004/108/EC
Light sourceLED
Threshold detection range43 m
MTTFd750 a


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