Omron E3ZM-V81 User Manual

Mark Sensor with Stainless Steel Housing
Compact, Photoelectric Sensor with Built-in Amplifier and Teaching Function
E3ZM-V
Another Advance for the E3ZM Series in the Food and Packaging Industries.
Color Mark Detection in a World-standard Size (11 × 21 × 32 mm),
with High-speed Response (50 µs) and Accuracy in Spite of
Sensing Object Movement

Omron E3ZM-V81 Specifications

General

Type	Photoelectric Sensor
Sensing Method	Through-beam
Output Type	NPN
Response Time	1 ms
Operating Temperature	-25 to 55 °C
Degree of Protection	IP67
Housing Material	Plastic
Supply Voltage	12 to 24 VDC
Protection Circuit	Reverse polarity protection, output short-circuit protection
Output Configuration	NPN
Connection	2m cable
Storage Temperature	-30 to 70 °C

Summary

World's Smallest Color-mark Sensor with Built-in Amplifier

Space-saving Design with SUS316L Housing

Highlights the compact design and its benefits for standardized installation.

Coaxial Optical System in a Compact Design

IP69K Degree of Protection with SUS316L Housing

Details the sensor's high resistance to detergents and high-pressure washing.

Cutting-edge Technologies for Performance

Improved Color Discrimination and RGB Signal Processing

Features advanced discrimination of fine color differences and RGB signal processing.

Easy Setting with Two-point and Automatic Teaching

Describes manual two-point teaching and remote automatic teaching methods.

Ratings and Specifications

Engineering Data: Color Detection Capability

Color vs. Detection Capability Overview

Detectable Ranges for Color Combinations

I/O Circuit Diagrams and Performance

Performance Graphs: Gain and Angle Characteristics

Output Circuitry Diagrams

Nomenclature and Safety

General Safety Precautions

Guidelines for ensuring safe operation, covering environment, connections, and load.

Precautions for Correct Use and Mounting

Resistance to Chemicals and Detergents

Operating Procedures

Two-point Teaching Using Teaching Button

Step-by-step guide for teaching the sensor using the physical teaching button.

Automatic Teaching Procedure

Remote Automatic Teaching

Instructions for performing automatic teaching via a remote control input signal.

Dimensions

Pre-wired Sensor Dimensions

M8 Connector Sensor Dimensions

Series Overview and Specifications

E3ZM Standard Models

BGS Reflective and PET Bottle Models