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Compact rectangular laser sensor with M12 four-pin connector and matte finish

Keyence

Keyence LR-W500C Laser Sensor 30-500 mm M12 4-pin

SKU CH-31GS-R1M90 MPN LR-W500C

Self-contained full-spectrum laser sensor detects objects from 30 to 500 mm with selectable response times down to 200 µs and M12 4-pin connection

  • Product typeAccessories
  • Detection range 30 to 500 mm covers diverse applications
  • Selectable response time from 200 µs to 500 ms matches speed needs
  • NPN or PNP output selectable fits multiple control systems
  • Wide 10 to 30 VDC supply voltage simplifies integration
  • Operates from -20 to +50 °C for harsh environments

Self-contained laser sensor

The Keyence LR-W500C is a self-contained laser sensor with an M12 4-pin connector. It detects objects across a 30 to 500 mm range using a full-spectrum laser source. Selectable response times from 200 µs to 500 ms allow tuning for speed or stability. Output logic and NPN/PNP mode are configurable for integration flexibility.

Suited for adjustable-range detection

This sensor suits automation tasks that require configurable response speed and output type within a 10 to 30 VDC supply. Builders needing detection beyond 500 mm or an analog output signal should look elsewhere. The mutual interference function supports only two units when alternate frequencies are set. Applications requiring more than two closely mounted sensors need a different approach.

30 to 500 mm detecting distance

The detecting distance of 30 to 500 mm is the primary specification that determines fit. Verify that the target presence falls inside this window before selecting the LR-W500C. The sensor operates on 10 to 30 VDC including ripple and draws 65 mA or less at 24 VDC without load. Ambient conditions of -20 to +50 °C and 35 to 85 % RH must also be met.

How it compares

Measured against everything we stock in Sensors, Transducers & Thermometers, at today’s prices. Recalculated every night.

Price $472.99
Pricier than about 86% of the 255 comparable items (median $39.99).

Specifications

Product
Product typeAccessories

Questions about this item

How much current does the LR-W500C draw at 24 VDC when running continuously?

The sensor consumes 65 mA or less at 24 VDC without a load, so power draw stays low during all-day operation.

What power supply and connector do I need to operate this sensor?

You need a 10 to 30 VDC Class 2 or LPS supply and an M12 4-pin cable to match the sensor's connector.

Can I run two LR-W500C units side by side with my existing sensors without interference?

Yes, the mutual interference reduction function supports up to two units when alternate frequencies are selected.

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