Pepperl+Fuchs LD28/LV28-Z-F1/76a/82b/110/116 Thru-beam sensor

Pepperl+Fuchs LD28/LV28-Z-F1/76a/82b/110/116
Item Number: LD28/LV28-Z-F1/76a/82b/110/116
  • 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
  • Emitter with test input
  • Version with red light
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Operation indicatorLED green
Mission Time (TM)20 a
Ripple10 %
Operating voltage10 ... 30 V DC
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.
UL approvalcULus Listed , Class 2 power source
Switching typelight/dark on, switchable
MTTFd620 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
Ambient temperature-40 ... 60 В°C (-40 ... 140 В°F)
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
Test inputemitter deactivation at +UB (Imax. < 3 mA at 30 V DC)
Transmitter frequencyF1 = 25 kHz
Switching frequency1000 Hz
Timer functionON delay (GAN), OFF delay (GAB), one shot (IAB), ON delay-one shot (GAN-IAB), ON delay-OFF delay (GAN-GAB), programmable
adjustment interval 0.02 s ... 1 s
Switching currentmax. 200 mA
Product standardEN 60947-5-2
Effective detection range0 ... 30 m
Threshold detection range40 m
Housing depth65.5 mm
Housing width25.8 mm
Switching voltagemax. 30 V DC
Diameter of the light spotapprox. 0.6 m at 30 m
ReceiverLV28-Z-F1/82b/110/116
Degree of protectionIP67
Protection classII, rated insulation voltage 250 V AC with pollution degree 1-2 according to IEC 60664-1 Output circuit basis insulation of input circuit according to EN 50178, rated insulation voltage 250 V AC Caution!
The protection class 2 is only valid when the terminal compartment is closed.
Light sourceLED
No-load supply currentEmitter: 50 mA
Receiver: 35 mA
Ambient light limit50000 Lux
Housing height88 mm
Control elementssensitivity adjustment (Adjustment to < 25% of the effective operating range) , Light-on/dark-on changeover switch
EmitterLD28-F1/76a/116
CCC approvalCCC approval / marking not required for products rated 36 V
Storage temperature-40 ... 75 В°C (-40 ... 167 В°F)
Response time0.5 ms
Angle of divergenceEmitter 1.2В°,
Receiver 5В°
Diagnostic Coverage (DC)90 %
Mass200 g (emitter and receiver)
Signal output1 push-pull (4 in 1) output, short-circuit protected, reverse polarity protected
Light typemodulated visible red light , 660 nm

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