W8G, Photoelectric retro-reflective sensor, autocollimation




Sick WL8G-N2231 (6033187)

Photoelectric sensors
W8G, Photoelectric retro-reflective sensor, autocollimation   Model Name WL8G-N2231 Part No. 6033187   Самое главное Autocollimation Standard miniature housing with M3 threaded mounting holes Light/dark switching selectable via rotary switch Adjustable sensing range All necessary accessories (BEF-W100-A and P250) are included with delivery Преимущества Reliable object detection of transparent objects even at the shortest distances (no blind spot) or through narrow gaps Highly visible light spot makes alignment quick and easy Reliable detection of all materials, including small and/or transparent objects, min. attenuation 15 % All necessary accessories (bracket and reflector) are included with delivery, reducing installation and procurement costs M3 mounting hole provides quick installation

Features
	Dimensions (W x H x D):	11 mm x 31 mm x 20 mm
	Sensing range max.:	0 m ... 3 m 1)
	Sensing range:	0 ... 1.7 m 2)
	Housing design (light emission):	Rectangular, Slim
	Light source:	LED 3)
	Type of light:	Visible red light
	Wave length:	650 nm
	Sensitivity adjustment:	Potentiometer, 270°
	Focus adjustable:	-
	Sensor/detection principle:	Photoelectric retro-reflective sensor, autocollimation
	Light spot (distance):	O 70 mm (2 m)
	Alarm output:	-

1) 2) PL80A  3) Average service life of 100,000 h at TA = +25 °C

Mechanics/electronics
	Enclosure rating:	IP 67
	Supply voltage:	10 V DC ... 30 V DC 1)
	Residual ripple:	± 10 % 2)
	Power consumption:	≤- 30 mA 3)
	Switching output:	NPN, Light/dark-switching, manually selectable, open collector
	Output current Imax.:	100
	Response time:	≤- 0.5 ms 4)
	Switching frequency:	1,000 5)
	Connection type:	Connector M8, 4-pin
	Circuit protection:	A, B, D 6) 7) 8)
	Weight:	10 g
	Housing material:	ABS
	Optics material:	PMMA
	Ambient operating temperature:	-25 °C ... 55 °C
	Ambient storage temperature:	-40 °C ... 70 °C
	Polarisation filter:	Yes
	Items supplied:	Stainless steel mounting bracket (1.4301/304) BEF-W100-A, Reflector P250F
	Signal voltage NPN HIGH / LOW:	Approx. VS / < 1.8 V
	Voltage supply-LED:	-
	Output indicator:	-
	Attenuation along light beam:	≤- 20 %
	Special design:	For transparent objects
	Front screen heating:	-
	AS-Interface-Chip:	-

1) Limit values, operation in short-circuit protected network max. 8 A  2) May not exceed or fall short of VS  3) Without load  4) Signal transit time with resistive load  5) With light/dark ratio 1:1  6) A = VS connections reverse-polarity protected  7) B = inputs and output reverse-polarity protected  8) D = outputs overcurrent and short-circuit protected

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