Functional principle Photoelectric retro-reflective sensor
Functional principle detail With minimum distance to reflector (dual lens system)
Dimensions (W x H x D) 11 mm x 31 mm x 20 mm
Housing design (light emission) Rectangular
Sensing range max. 0.01 m ... 3 m 1)
Sensing range 0.01 m ... 2.5 m 1)
Type of light Visible red light
Light source LED 2)
Light spot size (distance) Ø 140 mm (2 m)
Wave length 632 nm
Adjustment Potentiometer (Sensitivity)
Special applications Detecting transparent objects
1) Reflector PL80A.
2) Average service life: 100,000 h at TU = +25 °C.
Supply voltage UB 10 V DC ... 30 V DC 1)
Ripple ± 10 % 2)
Current consumption 30 mA 3)
Switching output NPN
Switching mode Light/dark switching
Switching mode selector Selectable via light/dark rotary switch
Signal voltage NPN HIGH/LOW Approx. VS / < 1.8 V
Output current Imax. ≤ 100 mA
Response time ≤ 0.5 ms 4)
Switching frequency 1,000 Hz 5)
Attenuation along light beam ≥ 20 %
Connection type Cable, 3-wire, 2 m 6)
Cable material Plastic, PVC
Conductor cross section 0.18 mm²
Circuit protection
A 7)
B 8)
D 9)
Protection class III
Housing material Plastic, ABS/PC/POM
Optics material Plastic, PMMA
Enclosure rating IP67
Items supplied Mounting bracket BEF-W100-A, Reflector P250
Ambient operating temperature –25 °C ... +55 °C
Ambient temperature, storage –40 °C ... +70 °C
1) Limit values.
2) May not fall below or exceed UV tolerances.
3) Without load.
4) Signal transit time with resistive load.
5) With light/dark ratio 1:1.
6) Do not bend below 0 °C.
7) A = VS connections reverse-polarity protected.
8) B = output reverse-polarity protected.
9) D = outputs overcurrent and short-circuit protected.