Self-Contained Full-Spectrum SensorLR-W series


M12 connector type


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M12 connector 4-pin type

Detecting distance

30 to 500 mm 1.18" to 19.69"

Min. spot diameter

Adjustable spot
Approx. ø3.5 mm at 100 mm ø0.14" at 3.94"
Approx. ø9 mm at 250 mm ø0.35" at 9.84"
Approx. ø18 mm at 500 mm ø0.71" at 19.69"

Response time

200 µs/1 ms/10 ms/100 ms/500 ms selectable *1

Light source

White LED

Mutual interference reduction function

Up to 2 units when alternate frequencies set


OFF/ON delay/OFF delay/One-shot

Power supply

Power voltage

10 to 30 VDC, including 10% ripple (P-P), Class 2 or LPS

Current consumption

65 mA or less (without load) at 24 VDC;
120 mA or less (without load) at 12 VDC *2


Control output

NPN open collector/PNP open collector selectable
30 VDC or less, 50 mA or less, remaining voltage: 2 V or less
N.O./N.C. selectable

External input

Tuning /Transmission OFF selectable
Short circuit current: 1 mA or less for NPN/2 mA or less for PNP
For the applied voltage, see the wiring diagrams in the instruction manual.
For the input times, see the time charts in the instruction manual.

Protection circuit

Protection against reverse power connection, power supply surge, output overcurrent, output surge, and reverse output connection

Environmental resistance

Enclosure rating

IP65/IP67 (IEC60529)

Ambient light

Incandescent lamp: 10000 lux or less, Sunlight: 20000 lux or less

Ambient temperature

-20 to +50°C -4 to 122ºF (no freezing)

Ambient humidity

35 to 85%RH (no condensation)

Shock resistance

1000 m/s2 in X, Y, Z axis directions respectively 6 times

Vibration resistance

10 to 55 Hz Double amplitude 1.5 mm 0.06" in the X, Y, Z axis directions respectively, 2 hours


Case: Zinc die cast (Nickel chrome plating),
Indicator cover: PPSU, Buttons: PES
Lens cover and display: PMMA (scratch-resistant coating),
Spot adjustment dial: Iron (triiron tetraoxide coated)
Connector ring: PMP, Connector socket: PEI


Approx. 110 g

*1 When alternate frequencies are set, the response time increases by approximately 20%.
*2 195 mA or less (at 10 V, with load)
*3 IO-Link: Specification v.1.1/COM2 (38.4 kbps) is supported. The setup file can be downloaded from KEYENCE website (
If you are using the product in an environment in which you cannot download files over the Internet, contact your nearest KEYENCE office.

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