OVERVIEW

Official designation: OPTEX KR-Q50NW (KR-Q Series, Retro-reflective Photoelectric Sensor)

Role/Application: A small polarized retro-reflective sensor with a SUS304 stainless steel cover, optimized for stable detection of transparent objects such as glass or plastic bottles up to 500 mm.

KEY SPECS SUMMARY

Power: DC 10 to 30 V

Interfaces / Ports: 2 meter cable, 4-wire, M8 connector available

Indicators: Light receiving indicator red, Output indicator orange

Operating Temp: Minus 25 to plus 55 degrees C, 35 to 85 percent RH

Platform / Compatibility: SUS304 cover, ABS case, PC lens, IP67

Limit: Sensing distance 10 mm to 500 mm, response time 0.7 ms or less

Lifecycle: Active product line (KR-Q series)

FREQUENTLY ASKED QUESTIONS

Technical Specifications:

Q: What is the maximum control output rating for the NPN open collector output on the KR-Q50NW sensor?

A: The control output is NPN open collector with a maximum rating of 100 mA at 30 VDC.

Wiring & Installation:

Q: How is the Light ON and Dark ON output mode selection configured on the KR-Q50NW sensor?

A: The Light ON and Dark ON output mode is switched by wiring the control wire.

Troubleshooting & Compatibility:

Q: What is the smallest detectable object size specified for the transparent object detection type KR-Q50NW sensor?

A: The smallest detectable object is specified as a 40 mm diameter opaque object.

Replacement & Upgrades:

Q: What is the primary difference between the KR-Q50NW and the SR-Q50NW models in the same series?

A: The SR-Q50NW is a smaller type with a shorter maximum sensing distance of 300 mm.