Omron EJ1 EtherCAT User manual

Cat. No. H192-E1-01
EJ1 EtherCAT
Slave Unit
EJ1N-HFUC-ECT
User’s Manual

All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in
any form, or by any means, mechanical, electronic, photocopying, recording, or otherwise, without the prior
written permission of OMRON.
No patent liability is assumed with respect to the use of the information contained herein. Moreover, because
OMRON is constantly striving to improve its high-quality products, the information contained in this manual is
subject to change without notice. Every precaution has been taken in the preparation of this manual. Neverthe-
less, OMRON assumes no responsibility for errors or omissions. Neither is any liability assumed for damages
resulting from the use of the information contained in this publication.
• Sysmac and SYSMAC are trademarks or registered trademarks of OMRON Corporation in Japan and other
countries for OMRON factory automation products.
• EtherCAT®is registered trademark and patented technology, licensed by Beckhoff Automation GmbH, Germany.
Other company names and product names in this document are the trademarks or registered trademarks of their
respective companies.
Trademarks
Copyrights
NOTE
Microsoft product screen shots reprinted with permission from Microsoft Corporation.

1
Introduction
EJ1 EtherCAT Slave Unit User’s Manual (H192)
Introduction
Thank you for purchasing an EJ1 EtherCAT Slave Unit.
This manual provides information required to use the EJ1 EtherCAT Slave Unit, including information
on functions, performance, and application methods.
Observe the following items when you use the EJ1 EtherCAT Slave Unit.
• Allow only a specialist with knowledge of electrical systems to handle the EJ1 EtherCAT Slave Unit.
• Read and understand this user’s manual completely and use the EJ1 EtherCAT Slave Unit correctly.
• Keep this user’s manual in a safe place where it will be available for reference when required.

Terms and Conditions Agreement
2EJ1 EtherCAT Slave Unit User’s Manual (H192)
Terms and Conditions Agreement
Exclusive Warranty
Omron’s exclusive warranty is that the Products will be free from defects in materials and workman-
ship for a period of twelve months from the date of sale by Omron (or such other period expressed in
writing by Omron). Omron disclaims all other warranties, express or implied.
Limitations
OMRON MAKES NO WARRANTY OR REPRESENTATION, EXPRESS OR IMPLIED, ABOUT
NON-INFRINGEMENT, MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE OF
THE PRODUCTS. BUYER ACKNOWLEDGES THAT IT ALONE HAS DETERMINED THAT THE
PRODUCTS WILL SUITABLY MEET THE REQUIREMENTS OF THEIR INTENDED USE.
Omron further disclaims all warranties and responsibility of any type for claims or expenses based
on infringement by the Products or otherwise of any intellectual property right.
Buyer Remedy
Omron’s sole obligation hereunder shall be, at Omron’s election, to (i) replace (in the form originally
shipped with Buyer responsible for labor charges for removal or replacement thereof) the non-com-
plying Product, (ii) repair the non-complying Product, or (iii) repay or credit Buyer an amount equal
to the purchase price of the non-complying Product; provided that in no event shall Omron be
responsible for warranty, repair, indemnity or any other claims or expenses regarding the Products
unless Omron’s analysis confirms that the Products were properly handled, stored, installed and
maintained and not subject to contamination, abuse, misuse or inappropriate modification. Return of
any Products by Buyer must be approved in writing by Omron before shipment. Omron Companies
shall not be liable for the suitability or unsuitability or the results from the use of Products in combi-
nation with any electrical or electronic components, circuits, system assemblies or any other materi-
als or substances or environments. Any advice, recommendations or information given orally or in
writing, are not to be construed as an amendment or addition to the above warranty.
See http://www.omron.com/global/ or contact your Omron representative for published information.
OMRON COMPANIES SHALL NOT BE LIABLE FOR SPECIAL, INDIRECT, INCIDENTAL, OR CON-
SEQUENTIAL DAMAGES, LOSS OF PROFITS OR PRODUCTION OR COMMERCIAL LOSS IN ANY
WAY CONNECTED WITH THE PRODUCTS, WHETHER SUCH CLAIM IS BASED IN CONTRACT,
WARRANTY, NEGLIGENCE OR STRICT LIABILITY.
Further, in no event shall liability of Omron Companies exceed the individual price of the Product on
which liability is asserted.
Warranty, Limitations of Liability
Warranties
Limitation on Liability; Etc

3
Terms and Conditions Agreement
EJ1 EtherCAT Slave Unit User’s Manual (H192)
Omron Companies shall not be responsible for conformity with any standards, codes or regulations
which apply to the combination of the Product in the Buyer’s application or use of the Product. At
Buyer’s request, Omron will provide applicable third party certification documents identifying ratings
and limitations of use which apply to the Product. This information by itself is not sufficient for a com-
plete determination of the suitability of the Product in combination with the end product, machine, sys-
tem, or other application or use. Buyer shall be solely responsible for determining appropriateness of
the particular Product with respect to Buyer’s application, product or system. Buyer shall take applica-
tion responsibility in all cases.
NEVER USE THE PRODUCT FOR AN APPLICATION INVOLVING SERIOUS RISK TO LIFE OR
PROPERTY WITHOUT ENSURING THAT THE SYSTEM AS A WHOLE HAS BEEN DESIGNED TO
ADDRESS THE RISKS, AND THAT THE OMRON PRODUCT(S) IS PROPERLY RATED AND
INSTALLED FOR THE INTENDED USE WITHIN THE OVERALL EQUIPMENT OR SYSTEM.
Omron Companies shall not be responsible for the user’s programming of a programmable Product, or
any consequence thereof.
Data presented in Omron Company websites, catalogs and other materials is provided as a guide for
the user in determining suitability and does not constitute a warranty. It may represent the result of
Omron’s test conditions, and the user must correlate it to actual application requirements. Actual perfor-
mance is subject to the Omron’s Warranty and Limitations of Liability.
Product specifications and accessories may be changed at any time based on improvements and other
reasons. It is our practice to change part numbers when published ratings or features are changed, or
when significant construction changes are made. However, some specifications of the Product may be
changed without any notice. When in doubt, special part numbers may be assigned to fix or establish
key specifications for your application. Please consult with your Omron’s representative at any time to
confirm actual specifications of purchased Product.
Information presented by Omron Companies has been checked and is believed to be accurate; how-
ever, no responsibility is assumed for clerical, typographical or proofreading errors or omissions.
Application Considerations
Suitability of Use
Programmable Products
Disclaimers
Performance Data
Change in Specifications
Errors and Omissions

Safety Precautions
4EJ1 EtherCAT Slave Unit User’s Manual (H192)
Safety Precautions
The following notation is used in this manual to provide precautions required to ensure safe usage of
the EJ1 EtherCAT Slave Unit.
The safety precautions that are provided here are extremely important to safety. Always read and heed
information provided in all safety precautions.
The following notation is used.
Definitions of Warning and Caution
Notation and Definitions for Precautionary Information
Symbols
Symbol Meaning
Caution
• General Caution
Indicates non-specific general cautions, warnings, and dangers.
• Electrical Shock Caution
Indicates possibility of electric shock under specific conditions.
Prohibition
• General Prohibition
Indicates non-specific general prohibitions.
• Disassembly Prohibition
Indicates prohibitions when there is a possibility of injury, such as
from electric shock, as the result of disassembly.
Mandatory
Caution
• General Caution
Indicates non-specific general cautions, warnings, and dangers.
WARNING
CAUTION
Indicates a potentially hazardous situation which, if not
avoided, is likely to result in slight or moderate injury or
occasionally, death or serious injury. And serious prop-
erty damage may occur as well.
Indicates a potentially hazardous situation which, if not
avoided, is likely to result in minor or moderate injury or
property damage.

5
Safety Precautions
EJ1 EtherCAT Slave Unit User’s Manual (H192)
Warnings and Cautions
Never use the product without installing protective circuit in network. Doing so may possibly
cause abnormal operation, and result in serious injury, property damage, or accident. To
operate your total system safely even if any equipment failure occurs, or any trouble is
caused by an external element, be sure to configure an external-control-circuit that consists
of emergency stop, interlock and limit circuits to provide double or triple safeguard.
Do not attempt to take the Unit apart. In particular, parts with high power supply voltages
are present in Units that supply power while power is supplied or immediately after power is
turned OFF. Touching any of these parts may result in electric shock. There are sharp parts
inside the Unit that may cause injury.
Do not touch the terminals while power is being supplied.
Doing so may occasionally result in minor injury due to electric shock.
Use power supplies that comply with the reinforced insulation specified in IEC 60664 for the
EJ1 external power supply and for the power supplies for devices connected to the EJ1. If
non-compliant power supplies are used, electric shock may occasionally result in minor
injury.
Do not allow pieces of metal, wire clippings, or fine metallic chips generated during installa-
tion to enter the product. Doing so may occasionally result in electric shock, fire, or mal-
function.
Do not use the product where subject to flammable or explosive gas.
Otherwise, minor injury from explosion may occasionally occur.
Never disassemble, modify, or repair the product or touch any of the internal parts. Minor
electric shock, fire, or malfunction may occasionally occur.
Execute online editing only after confirming that no adverse effects will be caused by devia-
tions in the timing of I/O. If you perform online editing, the task execution time may exceed
the task period, I/O may not be refreshed with external devices, input signals may not be
read, and output timing may change.
Always confirm safety at the destination node before you transfer Unit configuration infor-
mation, parameters, settings, or other data from tools such as the Sysmac Studio.
The devices or machines may operate unexpectedly, regardless of the operating mode of
the controller.
WARNING
CAUTION

Precautions for Safe Use
6EJ1 EtherCAT Slave Unit User’s Manual (H192)
Precautions for Safe Use
• The product is designed for indoor use only. Do not use the product outdoors or in any of the follow-
ing locations.
• Places directly subject to heat radiated from heating equipment.
• Places subject to splashing liquid or oil atmosphere.
• Places subject to direct sunlight.
• Places subject to dust or corrosive gas (in particular, sulfide or ammonia gas)
• Places subject to intense temperature change.
• Places subject to icing or condensation.
• Places subject to vibration or strong shocks.
• Use and store the product within the rated temperature and humidity ranges. Provide forced-cooling
if required.
• To allow heat to escape, do not block the area around the temperature controller. Also, do not block
its ventilation holes.
• Be sure to wire properly with correct polarity of terminals.
• Do not wire terminals that do not have an identified use.
• Secure as much space as possible between the product and devices that generates a strong
high-frequency or surge. Separate the high-voltage or large-current power lines from other lines, and
avoid parallel or common wiring with the power lines when you are wiring to the terminals.
• Use the product within the rated load and power supply voltage.
• Make sure that the rated voltage is attained within two seconds of turning ON the power.
• The switch or circuit breaker must be located within an easy reach of the operator, and must be
marked as a disconnecting means for this unit.
• Do not use paint thinner or similar chemical to clean with. Use standard grade alcohol.
• Never touch the electric components, connectors, or patterns in the product with bare hands. Always
hold the product by its enclosure. Inappropriate handling of the product may occasionally damage
internal components due to static electricity.
• Use a switch, relay, or other device for turning OFF the power supply quickly. Gradually lowering the
voltage of the power supply may result in incorrect outputs or memory errors.
• Connect only the specified number of products in only a specified configuration.
• Mount the product to a DIN Rail mounted vertically to the ground.
• Make sure that the data transfer distance for EtherCAT is within the specified range, and use the
specified cables only.
• Do not bend a communications cable past its natural bending radius or pull in it with excessive force.
Also, do not place heavy objects on top of the cables or other wiring lines. Doing so may break the
cable.
• When transporting any Unit, use the special packing box for it. Also, do not subject the Unit to exces-
sive vibration or shock during transportation.
• Do not drop any Unit or subject it to abnormal vibration or shock. Doing so may result in Unit malfunc-
tion or burning.
• Be sure that connectors with locking devices are properly locked into place.
• When wiring or installing the Units, do not allow metal fragments to enter the Units.
• Double-check all switches and other settings and double-check all wiring to make sure that they are
correct before turning ON the power supply. Use the correct wiring parts and tools when you wire the
system.
• Always turn OFF the external power supply to the Units before attempting any of the following.
• Mounting, removing, or replacing the Unit
• Setting the rotary switches

7
Precautions for Safe Use
EJ1 EtherCAT Slave Unit User’s Manual (H192)
• Connecting cables, wiring, or changing the configuration
• If you change the fail-soft operation setting, the output status when the error occurs may also change.
Confirm safety before you change the fail-soft operation setting.
• Confirm that the controlled system will not be adversely affected before you perform any of the fol-
lowing operations.
• Changing the operating mode of the CPU Unit (including changing the setting of the Operating
Mode at Startup)
• Changing the user program or settings
• Changing set values or present values
• Forced refreshing
• Dispose of the product according to local ordinances as they apply.
• Do not allow foreign matter to enter the openings in the Unit. Doing so may result in Unit burning,
electric shock, or failure.
• Before installing the Unit, do not remove the enclosed cover seal from the connector opening on the
left end of the Unit.
• You can connect up to 16 Units for one End Unit. However, you can connect only one Advanced Unit.
Do not connect more than 16 Units.
• You can connect up to 32 Basic Units with branch wiring. Do not connect more than 32 Basic Units.
Observe the following precautions for EtherCAT communications.
• Make sure that the communications distance, number of nodes connected, and method of connec-
tion for EtherCAT are within specifications.
Do not connect EtherCAT Coupler Units to EtherNet/IP, a standard in-house LAN, or other networks.
An overload may cause the network to fail or malfunction.
• Malfunctions or unexpected operation may occur for some combinations of EtherCAT revisions of the
master and slaves. If you disable the revision check in the network settings, check the slave revision
settings in the master and the actual slave revisions, and then make sure that functionality is compat-
ible in the manuals or other references. You can check the slave versions in the settings from the
Sysmac Studio and you can check the actual slave revisions from the Sysmac Studio or on slave
nameplates.
• After you transfer the user program, the CPU Unit is restarted and communications with the Ether-
CAT slaves are cut off. During that period, the slave outputs behave according to the slave settings.
The time that communications are cut off depends on the EtherCAT network configuration.
Before you transfer the user program, confirm that the system will not be adversely affected.
• EtherCAT communications are not always established immediately after the power supply is turned
ON. Use the system-defined variables in the user program to confirm that communications are estab-
lished before attempting control operations.
• If frames sent to EtherCAT slaves are lost due to noise or other causes, slave I/O data is not commu-
nicated, and the intended operation is sometimes not achieved. Perform the following processing if
noise countermeasures are necessary.
Program the _EC_InDataInvalid (Input Data Invalid), _EC_InData1Invalid (Input Data 1 Invalid), and
_EC_InData2Invalid (Input Data 2 Invalid) system-defined variables as interlock conditions in the
user program.
Set the PDO communications consecutive timeout detection count setting in the EtherCAT master to
at least 2.
Refer to the NJ/NX-series CPU Unit Built-in EtherCAT Port User’s Manual (Cat. No. W505) for
details.
• When an EtherCAT slave is disconnected, communications will stop and control of the outputs will be
lost not only for the disconnected slave, but for all slaves connected after it. Confirm that the system
will not be adversely affected before you disconnect a slave.
• If you disconnect the cable from an EtherCAT slave to disconnect it from the network, any current
communications frames may be lost. If frames are lost, slave I/O data is not communicated, and the

Precautions for Safe Use
8EJ1 EtherCAT Slave Unit User’s Manual (H192)
intended operation is sometimes not achieved. Perform the following processing for a slave that
needs to be replaced.
Program the _EC_InDataInvalid (Input Data Invalid), _EC_InData1Invalid (Input Data 1 Invalid), and
_EC_InData2Invalid (Input Data 2 Invalid) system-defined variables as interlock conditions in the
user program.
Set the PDO communications consecutive timeout detection count setting in the EtherCAT master to
at least 2.
Refer to the NJ/NX-series CPU Unit Built-in EtherCAT Port User’s Manual (Cat. No. W505) for
details.
• Make sure that the PDO recording area for EtherCAT communications is correct.

9
Precautions for Correct Use
EJ1 EtherCAT Slave Unit User’s Manual (H192)
Precautions for Correct Use
Installation
• Connect the EJ1 EtherCAT Slave Unit to the left side of a Basic Unit or an End Unit.
• The EJ1 cannot be used linked to a CJ-series PLC.
Service Life
• Use the product within the following temperature and humidity ranges.
Temperature: −10 to 55°C (with no icing or condensation)
Humidity: 25% to 85%
When the Temperature Controller is incorporated in a control panel, make sure that the control-
ler’s ambient temperature and not the panel’s ambient temperature does not exceed 55°C.
• The service life of electronic devices like the Temperature Controller is determined by the service
life of internal electronic components. Component service life is affected by the ambient tempera-
ture: the higher the temperature, the shorter the service life and the lower the temperature, the
longer the service life. Therefore, the service life can be extended by lowering the temperature of
the Temperature Controller.
• Mounting two or more Temperature Controllers side by side, or mounting Temperature Controllers
above each other may cause heat to build up inside the Temperature Controllers, which will
shorten their service life. If the Temperature Controllers are mounted above each other or side by
side, use forced cooling by fans or other means of air ventilation to cool down the Temperature
Controllers.
However, be sure not to cool only the terminals. Doing so will result in measurement errors.
• Take appropriate and sufficient countermeasures when installing the controller in the following
locations.
Locations subject to static electricity or other forms of noise
Locations subject to strong electromagnetic fields
Locations subject to possible exposure to radioactivity
Locations close to power lines
Precautions for Operation
• It takes a certain amount of time for the outputs to turn ON from after the power supply is turned
ON. Due consideration must be given to this time when designing control panels, etc.
• It takes 30 minutes from the time the product is turned ON until the correct temperature is indi-
cated. Always turn ON the power supply at least 30 minutes before starting temperature control.
• Avoid using the Temperature Controller near a radio, television set, or other wireless device. Its
use would result in reception disturbance.

Preparations for Use
10 EJ1 EtherCAT Slave Unit User’s Manual (H192)
Preparations for Use
Be sure to thoroughly read and understand the manual provided with the product, and check the follow-
ing points.
Timing Check point Details
Purchasing the
product
Product appear-
ance
After purchase, check that the product and packaging are not dented or
otherwise damaged. Damaged internal parts may prevent optimum con-
trol.
Product model
and specifications
Make sure that the purchased product meets the required specifications.
Setting the Unit Product installa-
tion location
Provide sufficient space around the product for heat dissipation. Do not
block the vents on the product.
Wiring Terminal wiring Do not subject the terminal screws to excessive stress (force) when
tightening them.
Make sure that there are no loose screws after tightening terminal
screws to the specified torque of 0.25 to 0.30 N·m.
Be sure to confirm the polarity for each terminal before wiring the termi-
nal block and connectors.
Power supply
inputs
Wire the power supply inputs correctly. Incorrect wiring will result in dam-
age to the internal circuits.
Operating envi-
ronment
Ambient tempera-
ture
The ambient operating temperature for the product is −10 to 55°C (with
no condensation or icing). To extend the service life of the product, install
it in a location with an ambient temperature as low as possible. In loca-
tions exposed to high temperatures, if necessary, cool the products
using a fan or other cooling method.
Vibration and
shock
Check whether the standards related to shock and vibration are satisfied
at the installation environment. (Install the product in locations where the
conductors will not be subject to vibration or shock.)
Foreign particles Install the product in a location that is not subject to liquid or foreign par-
ticles entering the product. If sulfide, chlorine, or other corrosive gases
are present, remove the source of the gas, install a fan, or use other
countermeasures to protect the product.

11
Regulations and Standards
EJ1 EtherCAT Slave Unit User’s Manual (H192)
Regulations and Standards
Applicable Directives
EMC Directives
Concepts
EMC Directives
OMRON devices that comply with EU Directives also conform to the related EMC standards so
that they can be more easily built into other devices or the overall machine. The actual products
have been checked for conformity to EMC standards. Whether the products conform to the stan-
dards in the system used by the customer, however, must be checked by the customer.
EMC-related performance of the OMRON devices that comply with EU Directives will vary
depending on the configuration, wiring, and other conditions of the equipment or control panel on
which the OMRON devices are installed. The customer must, therefore, perform the final check to
confirm that devices and the overall machine conform to EMC standards.
Conformance to EU Directives
To ensure that the machine or device in which the EJ-series Unit is used complies with EU Direc-
tives, the Unit must be installed as follows:
• The EJ1 EtherCAT Slave Unit must be installed within a control panel.
• You must use reinforced insulation or double insulation for the DC power supplies used for the
communications power supply, internal power supply, and I/O power supplies.
• EJ-series Units that comply with EU Directives also conform to the Common Emission Standard
(EN 61326). Radiated emission characteristics (10-m regulations) may vary depending on the
configuration of the control panel used, other devices connected to the control panel, wiring, and
other conditions. You must therefore confirm that the overall machine or equipment complies with
EU Directives.
• The Unit is a Class A product (products for industrial environments). In residential environment
areas it may cause radio interference, in which case the user may be required to take adequate
measures to reduce interference.
Conformance to EU Directives

Revision History
12 EJ1 EtherCAT Slave Unit User’s Manual (H192)
Revision History
A manual revision code appears as a suffix to the catalog number at the bottom of the back cover of the
manual.
Revision code Date Revised content
01 October 2015 Original production
Cat. No. H192-E1-01
Revision code

13
Related Manuals
EJ1 EtherCAT Slave Unit User’s Manual (H192)
Related Manuals
The manuals related to the EJ1 EtherCAT Slave Unit are configured as shown in the following tables.
Refer to these manuals as required.
EJ1
Cat. No. Model number Manual name Application Description
H192
(This manual)
EJ1N-HFUC-ECT EJ1 EtherCAT
Slave Unit User’s
Manual
Learning the basic specifica-
tions of the EJ1 EtherCAT
Slave Unit, including introduc-
tory information, designing,
and maintenance.
The following information is provided on
the EJ1 EtherCAT Slave Unit.
• Overview and features
• System configuration
• Installation and wiring
• Troubleshooting
H142 EJ1N-TC2
EJ1N-TC4
EJ1C-EDU
EJ1 Modular Tem-
perature Control-
lers User's Manual
Learning the basic specifica-
tions of the EJ1 Temperature
Controllers, including intro-
ductory information, design-
ing, installation, and
maintenance.
The following information is provided on
the EJ1 Temperature Controllers.
• Overview and features
• System configuration
• Mounting and wiring
• Troubleshooting
---
Online Help
EST2-2C-MV4 CX-Thermo Ver.
4.(online help)
Learning the operating proce-
dures of the CX-Thermo.
Describes how to set parameters and
adjust devices (i.e., components such as
Temperature Controllers) using the
CX-Thermo.
NJ/NX-series Master Units
Cat. No. Model number Manual name Application Description
W505 NX701-
NJ501-
NJ301-
NJ101-
NJ/NX-series CPU
Unit Built-in Ether-
CATPort User's
Manual
Using the built-in EtherCAT
port on an NJ/NX-series CPU
Unit.
Information on the built-in EtherCAT port
is provided
This manual provides an introduction and
information on the configuration, features,
and setup.
Use this manual together with the
NJ-series CPU Unit Hardware User's
Manual (Cat. No. W500) and
NJ/NX-series CPU Unit Software User's
Manual (Cat. No. W501).
W500 NJ501-
NJ301-
NJ101-
NJ-series CPU Unit
Hardware User’s
Manual
Learning the basic specifica-
tions of the NJ-series CPU
Units, including introductory
information, designing, instal-
lation, and maintenance.
Mainly hardware information
is provided.
An introduction to the entire NJ-series
system is provided along with the follow-
ing information on the CPU Unit.
• Features and system configuration
• Introduction
• Part names and functions
• General specifications
• Installation and wiring
• Maintenance and inspection
Use this manual together with the
NJ/NX-series CPU Unit Software User's
Manual (Cat. No. W501).

Related Manuals
14 EJ1 EtherCAT Slave Unit User’s Manual (H192)
W535 NX701- NX-series CPU Unit
Hardware User’s
Manual
Learning the basic specifica-
tions of the NX-series CPU
Units, including introductory
information, designing, instal-
lation, and maintenance.
Mainly hardware information
is provided.
An introduction to the entire NX-series
system is provided along with the follow-
ing information on the CPU Unit.
• Features and system configuration
• Introduction
• Part names and functions
• General specifications
• Installation and wiring
• Maintenance and inspection
Use this manual together with the
NJ/NX-series CPU Unit Software User's
Manual (Cat. No. W501).
W501 NX701-
NJ501-
NJ301-
NJ101-
NJ/NX-series CPU
Unit Software
User´s Manual
Learning how to program and
set up an NJ/NX-series CPU
Unit.
Mainly software information is
provided.
The following information is provided on
an NJ/NX-series CPU Unit.
• CPU Unit operation
• CPU Unit features
• Initial settings
• Use this manual together with IEC
61131-3-based programming language
specifications and the NJ-series CPU
Unit Hardware User's Manual (Cat. No.
W500).
W502 NX701-
NJ501-
NJ301-
NJ101-
NJ/NX-series
Instructions Refer-
ence Manual
Learning detailed specifica-
tions on the basic instructions
of an NJ/NX-series CPU Unit.
The instructions in the instruction set (IEC
61131-3 specifications) are described.
When programming, use this manual
together with the NJ-series CPU Unit
Hardware User's Manual (Cat. No. W500)
and NJ/NX-series CPU Unit Software
User's Manual (Cat. No. W501).
W504 SYSMAC-SE2 Sysmac Studio Ver-
sion 1 Operation
Manual
Learning about the operating
procedures and functions of
the Sysmac Studio.
Describes the operating procedures of
the Sysmac Studio.
G3ZA Multi-channel Power Controllers
Cat. No. Model number Manual name Application Description
Z200 G3ZA-4H203-FLK-UTU
G3ZA-4H403-FLK-UTU
G3ZA-8A203-FLK-UTU
G3ZA-8A403-FLK-UTU
G3ZA Multi-chan-
nel Power Control-
ler User’s Manual
Using the G3ZA to perform
high-precision control of
heater power with RS-485
serial communications (Com-
poWay/F) from an EJ1 or
PLC.
The following information is pro-
vided on the G3ZA.
• Overview and features
• Installation and wiring
• Setting RS-485 serial communi-
cations
• Basic functions
G3PW Power Controllers
Cat. No. Model number Manual name Application Description
Z280 G3PW-A220EC-C-FLK
G3PW-A230EC-C-FLK
G3PW-A245EC-C-FLK
G3PW-A260EC-C-FLK
G3PW-A220EC-S-FLK
G3PW-A230EC-S-FLK
G3PW-A245EC-S-FLK
G3PW-A260EC-S-FLK
G3PW-series
Power Controller
User's Manual
Using the G3PW under phase
control or cyclic control to
perform control that achieves
higher precision than with the
G3ZA on heater power with a
continuous proportional out-
put or with RS-485 serial
communications (Compo-
Way/F) from an EJ1.
The following information is pro-
vided on the G3PW.
• Overview and features
• Installation and wiring
• Setting RS-485 serial communi-
cations
• Basic functions
Cat. No. Model number Manual name Application Description

15
Meanings of Abbreviations and Terms
EJ1 EtherCAT Slave Unit User’s Manual (H192)
Meanings of Abbreviations and Terms
The following abbreviations and terms are used in this manual.
Abbreviation or term Meaning
CompoWay/F com-
mands/responses
Also called “FINS-mini commands/responses.”
This manual uses the term “CompoWay/F commands/responses.”
EDU EJ1 End Unit
Basic Unit EJ1 Basic Unit
• TC4: Four-channel Basic Unit
• TC2: Two-channel Basic Unit
Advanced Unit EJ1 EtherCAT Slave Unit
Temperature Controller One of the EJ1 Basic Units given above.
communications unit num-
ber
An identification number in CompoWay/F communications for a Temperature Con-
troller connected to an EJ1 EtherCAT Slave Unit.
Set the communications unit number with rotary switch 1 and DIP switch 2 on each
Basic Unit.

Meanings of Abbreviations and Terms
16 EJ1 EtherCAT Slave Unit User’s Manual (H192)

17
Sections in this Manual
EJ1 EtherCAT Slave Unit User’s Manual (H192)
1I
2
3
4
5
7
8
A
1I
2
3
4
5
6
7
8
A
7
Appendices
Index
Part Names and EtherCAT Communications Overview
Installation and Connection
Troubleshooting
Maintenance and Inspection
6
Specifications and Procedures
Features and System
Configuration
Using the EJ1 EtherCAT Slave Unit with PDO
Communications
Using the EJ1 EtherCAT Slave Unit with SDO
Communications
Sections in this Manual

CONTENTS
18 EJ1 EtherCAT Slave Unit User’s Manual (H192)
CONTENTS
Introduction ..............................................................................................................1
Terms and Conditions Agreement ..........................................................................2
Warranty, Limitations of Liability .................................................................................................................. 2
Application Considerations .......................................................................................................................... 3
Disclaimers .................................................................................................................................................. 3
Safety Precautions ...................................................................................................4
Notation and Definitions for Precautionary Information ............................................................................... 4
Symbols....................................................................................................................................................... 4
Warnings and Cautions ............................................................................................................................... 5
Precautions for Safe Use......................................................................................... 6
Precautions for Correct Use.................................................................................... 9
Preparations for Use ..............................................................................................10
Regulations and Standards ................................................................................... 11
Conformance to EU Directives .................................................................................................................. 11
Revision History .....................................................................................................12
Related Manuals .....................................................................................................13
EJ1............................................................................................................................................................. 13
NJ/NX-series Master Units ........................................................................................................................ 13
G3ZA Multi-channel Power Controllers ..................................................................................................... 14
G3PW Power Controllers........................................................................................................................... 14
Meanings of Abbreviations and Terms.................................................................15
Sections in this Manual .........................................................................................17
CONTENTS..............................................................................................................18
Section 1 Features and System Configuration
1-1 Overview and Features ......................................................................................................... 1-2
1-1-1 Overview ..................................................................................................................................... 1-2
1-1-2 Features...................................................................................................................................... 1-2
1-2 System Configuration ........................................................................................................... 1-3
1-3 Unit Models and Overview of Functions ............................................................................. 1-5
1-3-1 Unit Model Number ..................................................................................................................... 1-5
1-3-2 Overview of Functions................................................................................................................. 1-5
Section 2 Specifications and Procedures
2-1 Specifications ........................................................................................................................ 2-2
2-1-1 General Specifications ................................................................................................................ 2-2
2-1-2 Function Specifications ............................................................................................................... 2-2
2-1-3 EtherCAT Slave Communications Specifications........................................................................2-3