Omron Photoelectric Sensor E3Z

Omron Photoelectric Sensor E3Z-L66 E3Z-L63 E3Z-L86 E3Z-LS83 E3Z-LS66 E3Z-L61 E3Z-LS86 E3Z-LS63 E3Z-LS81 E3Z-LS61

1) Overview – Omron E3Z Series

The E3Z series is a compact rectangular photoelectric sensor designed for:

• Object detection

• Presence sensing

• Conveyor monitoring

• Packaging systems

• Robotics applications

Key general features:

• Supply voltage: 12–24 VDC

• Output: PNP or NPN (depending on suffix)

• Protection rating: IP67

• Fast response time

• High resistance to vibration

• Visible red light or infrared depending on version

2) Understanding Model Code Structure

Example: E3Z-L66

• E3Z → Series name

• L → Diffuse-reflective type (built-in emitter & receiver)

• LS → Diffuse reflective with background suppression (BGS)

• 6x / 8x → Output and logic configuration

Important difference:

• L models = Standard diffuse reflective

• LS models = Diffuse reflective with Background Suppression (more precise, ignores background)

3) Diffuse vs Diffuse with Background Suppression

A) Diffuse Reflective (L Type)

• Detects object by light reflected directly from target

• Detection distance depends on object reflectivity

• Simple and cost-effective

• Can be affected by shiny backgrounds

B) Diffuse with Background Suppression (LS Type)

• Uses triangulation method

• Detects object based on distance, not reflectivity

• Can ignore background surfaces

• More stable in complex environments

LS type is preferred when background is close to target.

4) Model-by-Model Explanation

E3Z-L66

• Diffuse reflective

• Standard detection distance (approx. 1 m typical for L models)

• NPN output (typical for 6x code)

• General object detection

E3Z-L63

• Diffuse reflective

• NPN output variant

• Similar detection range

• Used in standard automation lines

E3Z-L86

• Diffuse reflective

• PNP output (8x code typically PNP)

• Used where PLC requires sourcing signal

E3Z-L61

• Diffuse reflective

• NPN output

• Slight logic variant (NO/NC configuration differs)

E3Z-LS83

• Diffuse with Background Suppression

• PNP output

• Precise distance-based detection

• Used in packaging or robotic pick areas

E3Z-LS66

• Background suppression

• NPN output

• Stable detection independent of color

E3Z-LS86

• Background suppression

• PNP output

• Improved detection in reflective environments

E3Z-LS63

• Background suppression

• NPN output

• Compact stable detection

E3Z-LS81

• Background suppression

• PNP output

• Normally Closed variant (depends on exact suffix)

E3Z-LS61

• Background suppression

• NPN output

• NO/NC configuration variant

5) Output Code Explanation (General Pattern)

Always verify NO/NC from datasheet for exact suffix.

6) Typical Technical Specifications (E3Z Series)

7) Application Comparison

8) Application Examples

These sensors are suitable for:

• Carton detection on conveyors

• Bottle detection

• Robotic part detection

• Label detection

• Presence/absence monitoring

• Sorting lines

LS models are recommended when:

• Background surface is very close

• Object color varies

• Shiny conveyor behind object

9) Quick Summary Table

	Conditions:  1. Brand New  2. One year warranty  3. Fast Delivery   Model Preview:  E3Z-L66| E3Z-L63| E3Z-L86| E3Z-LS83| E3Z-LS66| E3Z-L61| E3Z-LS86| E3Z-LS63| E3Z-LS81| E3Z-LS61

Product Details