SKU: E3Z-D81

Omron E3Z-D81 Diffuse Photoelectric Sensor 500mm NPN M8 Connector IP67

Omron E3Z-D81 is a diffuse reflective photoelectric sensor with 500mm sensing range, NPN output, M8 connector for quick installation, IP67 protection.

USD 18.00 per unit, volume discounts available

  • In stock, ships in 24h
  • 100% genuine Omron
  • 1-year manufacturer warranty
  • Worldwide delivery

Key Features

  • E3Z compact photoelectric sensor architecture
  • Diffuse reflective non-contact sensing method
  • Suitable for conveyor and assembly presence detection
  • Integrates with standard PLC input signal structures
  • Practical in compact machine modules with limited space
  • Supports repeatable machine-cycle detection operations
01 / Overview

Diffuse Reflective Optical Detection for Reliable Machine Cycles

E3Z-D81 is part of Omron E3Z compact photoelectric family and is used for presence sensing in conveyors, transfer points, and assembly stations. Diffuse reflective models are practical where reflector installation is difficult and direct target reflection can provide stable switching. This sensor variant is commonly used in medium-speed production cells where repeatability and easy maintenance are required. During setup, teams should test detection on real product surfaces, evaluate background influence, and secure rigid mounting to avoid drift. Electrical integration should ensure output compatibility with PLC input channels and proper cable protection in moving machine zones. E3Z-D81 is typically selected for general-purpose non-contact detection where predictable performance and straightforward commissioning are key priorities.

Typical Applications

  • Product detect at conveyor infeed positions
  • Part presence confirmation in assembly fixtures
  • Transfer-point object verification before next cycle
  • Count trigger generation for production logging
  • Interlock sensing in packaging submodules
  • Sensor retrofit in existing optical detection points

Buying Checklist

  • Validate detection reliability on actual target materials.
  • Check background reflections and installation angle effects.
  • Confirm electrical output matching with PLC input card.
  • Protect cabling against vibration and mechanical wear.
  • Include periodic optical maintenance in PM plan.
02 / Specifications

Technical Specifications

Technical specifications for Omron E3Z-D81 Diffuse Photoelectric Sensor 500mm NPN M8 Connector IP67
ModelE3Z-D81
SeriesE3Z
Sensing Range50-500mm
Output TypeNPN Open Collector
Supply VoltageDC12-24V
ConnectionM8 connector (4-pin)
ProtectionIP67
Response Time1ms
Light SourceRed LED
Operating Temperature-25 to +55°C
03 / FAQ

Frequently Asked Questions

What connector type?

M8 4-pin connector for quick installation and easy replacement.

Sensing range?

50-500mm for longer-range diffuse detection.

Output type?

NPN open collector (sinking output).

Can I adjust sensitivity?

Yes, sensitivity adjustment potentiometer included.

Need E3Z-D81 pricing or lead time?

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