WLL190T-2 Sick WLL190T-2P474 (6037985)

fiber-optic sensors
WLL190T-2   Model Name WLL190T-2P474 Part No. 6037985   Самое главное Sensing range up to 4 m, sensing distance up to 480 mm Two separately adjustable channels Alarm output Optional analog output Integrated counter Bus-compatible with anti-interference 2 x 4-digit display Red and green LED emitter Преимущества Two channels can be configured independently of one another, simplifying installation Simple commissioning and product changeover via external teach-in Bus communication saves space and money, reduces wiring and eliminates interference caused by fiber-optic heads mounted close to one another Easy monitoring of process parameters Time delays can be adjusted individually to suit the application APC for (Automatic Power Correction) long-term, stable detection Alarm output for reliable detection in adverse conditions, ensuring high process reliability

Features
	Device type:	Stand-alone
	Dimensions (W x H x D):	10.5 mm x 34.8 mm x 76.5 mm
	Sensing range max.:	0 mm ... 500 mm, through-beam system 1) 2)
	Sensing range:	0 mm ... 210 mm, proximity system 0 mm ... 260 mm, through-beam system 3) 4) 5) 6)
	Light source:	LED 7)
	Type of light:	Infrared light
	Wave length:	1,450 nm
	Sensitivity adjustment:	Teach-in button Cable
	Adjustment of operating distance:	+/- increment button, manual
	Teach-in:	Menu-controlled
	Time type:	Without time delay time delay off switch on delay one shot
	Delay time:	Programmable: 0 ... 9,999 ms
	Indication:	Display
	Housing design (light emission):	Rectangular
	Display:	LED status display / 2x 4-character digital dual displays, Set value (green indicator) and actual value (red indicator) are displayed simultaneously, display of parameters

1) Scanning range at response time 2 ms. Range reduction at shorter response time (see LL3/ WLL190T-2 table)  2) 6) LL3-TW01  3) 4) Objects to be sensed with 90% reflectivity (based on DIN 5033 white standard). sensing distance with 2 ms response time. sensing distance reduction with shorter response time (see tables LL3/WLL190T-2)  5) LL3-DW01  7) Average service life 100,000 h at Ta = +25 °C

Mechanics/electronics
	Enclosure rating:	IP 66 1)
	Supply voltage:	10 V DC ... 24 V DC 2)
	Residual ripple:	≤- 10 % 3)
	Power consumption:	≤- 50 mA
	Switching output:	PNP, light/dark-switching, manually selectable, open collector 4) 5)
	Output current Imax.:	≤- 100 mA
	Response time:	≤- 2 ms ≤- 60 µs ≤- 250 µs
	Switching frequency:	8,333 Hz 2,000 Hz 250 Hz
	Connection type:	Connector M8, 4-pin
	Protection class:	III
	Circuit protection:	A B C D 6) 7) 8) 9)
	Special device:	0
	Housing material:	ABS/PC
	Ambient operating temperature:	-25 °C ... 55 °C
	Ambient storage temperature:	-40 °C ... 70 °C
	Weight:	20 g
	Angle of dispersion:	Ca. 65 ° 10)

1) With correctly attached fibre-optic cable LL3 and closed protection hood  2) +- 10%  3) May not exceed or fall short of VS  4) Q1, Q2  5) Selectable Q2, external teach or counter reset  6) A = VS connections reverse-polarity protected  7) B = inputs and output reverse-polarity protected  8) C = interference suppression  9) D = outputs overcurrent and short-circuit protected  10) See LL3 fiber-optic data

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