sensors
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SKU: E3Z-LR86
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Omron E3Z-D81 Diffuse Photoelectric Sensor 500mm NPN M8 Connector IP67
SKU: E3Z-D81USD 18.00
Omron E3Z-D81 is a diffuse reflective photoelectric sensor with 500mm sensing range, NPN output, M8 connector for quick installation, IP67 protection.
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Product Overview
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.
- SKU: E3Z-D81
- Series: E3Z
- Voltage: 24V
Best-Fit 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.
Technical Specifications
| Model | E3Z-D81 |
|---|---|
| Series | E3Z |
| Sensing Range | 50-500mm |
| Output Type | NPN Open Collector |
| Supply Voltage | DC12-24V |
| Connection | M8 connector (4-pin) |
| Protection | IP67 |
| Response Time | 1ms |
| Light Source | Red LED |
| Operating Temperature | -25 to +55°C |
Resources & Downloads
FAQ for E3Z-D81
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.
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