Omron E3Z series Network Connection Guide

4
．
Overview
4
4. Overview
This document describes the procedures for connecting E3Z-series IO-Link Photoelectric
Sensor (hereinafter referred to as Photoelectric Sensor) that is connected via IO-Link to
IO-Link Master Unit (NX-ILM[][][]) to NJ-series Machine Automation Controller (hereinafter
referred to as Controller) via EtherCAT through EtherCAT Coupler Unit (NX-ECC20[]) to which
IO-Link Master Unit is connected and also for checking their connection status - all of which
are produced by OMRON Corporation.
Refer to Section 6. Communications Settings and Section 7. IO-Link Connection Procedure to
understand setting methods and key points to perform cyclic communications in the IO-Link
system.
In this document, a generic EtherCAT slave for EtherCAT communications is called "slave
unit", and a specific EtherCAT slave configured of EtherCAT Coupler Unit and IO-Link Master
Unit is called "Slave Terminal".
<Slave Terminal Configuration>
EtherCAT Coupler Unit (NX-
ECC20[])
IO-Link Master Unit (NX-ILM[][][])
Slave Terminal
EtherCAT communications with
Controller
IO
-Link communications with
Photoelectric Sensor

Omron E3Z series Specifications

General

Brand	Omron
Model	E3Z series
Category	Accessories
Language	English