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. Nevertheless, 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.
Trademarks
• Sysmac and SYSMAC are trademarks or registered trademarks of OMRON Corporation in Japan and other
countries for OMRON factory automation products.
• Microsoft, Windows, Windows Vista, Excel, and Visual Basic are either registered trademarks or trademarks of
Microsoft Corporation in the United States and other countries.
• EtherCAT® is registered trademark and patented technology, licensed by Beckhoff Automation GmbH, Germany.
• ODVA, CIP, CompoNet, DeviceNet, and EtherNet/IP are trademarks of ODVA.
• The SD and SDHC logos are trademarks of SD-3C, LLC.
Other company names and product names in this document are the trademarks or registered trademarks of their
respective companies.
Copyrights
Microsoft product screen shots reprinted with permission from Microsoft Corporation.
Introduction
Thank you for purchasing an NJ/NX-series CPU Unit.
This manual contains information that is necessary to use the NJ/NX-series CPU Unit. Please read this
manual and make sure you understand the functionality and performance of the NJ/NX-series CPU
Unit before you attempt to use it in a control system.
Keep this manual in a safe place where it will be available for reference during operation.
Intended Audience
This manual is intended for the following personnel, who must also have knowledge of electrical systems (an electrical engineer or the equivalent).
• Personnel in charge of introducing FA systems.
• Personnel in charge of designing FA systems.
• Personnel in charge of installing and maintaining FA systems.
• Personnel in charge of managing FA systems and facilities.
For programming, this manual is intended for personnel who understand the programming language
specifications in international standard IEC 61131-3 or Japanese standard JIS B 3503.
Introduction
Applicable Products
This manual covers the following products.
• NX-series CPU Units
• NX701-17
• NX701-16
• NX1P2-11
• NX1P2-111
• NX1P2-10
• NX1P2-101
• NX1P2-90
• NX1P2-901
• NJ-series CPU Units
• NJ501-5
• NJ501-4
• NJ501-3
• NJ301-12
• NJ301-11
• NJ101-10
• NJ101-90
Part of the specifications and restrictions for the CPU Units are given in other manuals. Refer to Relevant Manuals on page 2 and Related Manuals on p age 21.
NJ/NX-series Troubleshooting Manual (W503)
1
Relevant Manuals
Relevant Manuals
The following table provides the relevant manuals for the NJ/NX-series CPU Units.
Read all of the manuals that are relevant to your system configuration and application before you use
the NJ/NX-series CPU Unit.
Most operations are performed from the Sysmac Studio Automation Soft ware. Refer to the Sysmac Stu-dio Version 1 Operation Manual (Cat. No. W504) for information on the Sysmac Studio.
Basic information
NX-series CPU Unit
Hardware User’s Manual
NX-series NX1P2 CPU Unit
Hardware User's Manual
Hardware User’s Manual
Manual
NJ-series CPU Unit
NJ/NX-series CPU Unit
Software User’s Manual
NX-series NX1P2 CPU Unit
Built-in I/O and Option Board User's Manual
NJ/NX-series
Instructions Reference Manual
Motion Control User’s Manual
NJ/NX-series CPU Unit
Motion Control Instructions Reference Manual
NJ/NX-series
NJ/NX-series CPU Unit
Built-in EtherCAT Port User’s Manual
Built-in EtherNet/IP Port User’s Manual
NJ/NX-series CPU Unit
NJ-series CPU Unit OPC UA
User’s Manual
NJ/NX-series Database Connection CPU Units
User’s Manual
NJ-series SECS/GEM CPU Units
User’s Manual
NJ-series NJ Robotics
CPU Unit User’s Manual
NJ/NY-series NC Integrated Controller
User’s Manual
NJ/NX-series
Troubleshooting Manual
Purpose of use
Introduction to NX701 CPU Units
Introduction to NX1P2 CPU Units
Introduction to NJ-series Controllers
Setting devices and hardware
Using motion control
Using EtherCAT
Using EtherNet/IP
Software settings
Using motion control
Using EtherCAT
Using EtherNet/IP
Using OPC UA
Using the database connection service
Using the GEM Services
Using robot control
Using numerical control
Using the NX1P2 CPU Unit functions
Writing the user program
Using motion control
Using EtherCAT
Using EtherNet/IP
Using OPC UA
Using the database connection service
Using the GEM Services
Using robot control
Using numerical control
Programming error processing
Using the NX1P2 CPU Unit functions
2
NJ/NX-series Troubleshooting Manual (W503)
Relevant Manuals
Manual
Basic information
NX-series CPU Unit
Hardware User’s Manual
Purpose of use
Testing operation and debugging
Using motion control
Using EtherCAT
Using EtherNet/IP
Using OPC UA
Using the database connection service
Using the GEM Services
Using robot control
Using numerical control
Using the NX1P2 CPU Unit functions
Learning about error management
and corrections
Maintenance
Using motion control
Using EtherCAT
Using EtherNet/IP
*1
NX-series NX1P2 CPU Unit
Hardware User's Manual
NJ-series CPU Unit
Hardware User’s Manual
NJ/NX-series CPU Unit
Software User’s Manual
NX-series NX1P2 CPU Unit
Built-in I/O and Option Board User's Manual
NJ/NX-series
Instructions Reference Manual
Motion Control User’s Manual
NJ/NX-series CPU Unit
Motion Control Instructions Reference Manual
NJ/NX-series
NJ/NX-series CPU Unit
Built-in EtherCAT Port User’s Manual
Built-in EtherNet/IP Port User’s Manual
NJ/NX-series CPU Unit
NJ-series CPU Unit OPC UA
User’s Manual
User’s Manual
NJ/NX-series Database Connection CPU Units
NJ-series SECS/GEM CPU Units
User’s Manual
CPU Unit User’s Manual
NJ-series NJ Robotics
User’s Manual
NJ/NY-series NC Integrated Controller
Troubleshooting Manual
NJ/NX-series
*1 Refer to the NJ/NX-series Troubleshooting Manual (Cat. No. W503) for the error management concepts and an overview of the error
items. Refer to the manuals that are indicated with triangles for details on errors for the corresponding Units.
NJ/NX-series Troubleshooting Manual (W503)
3
Manual Structure
4-9
4 Installation and Wiring
NJ-series CPU Unit Hardware User’s Manual (W500)
stinU gnitnuoM 3-4
4
stnenopmoC rellortnoC gnitcennoC 1-3-4
4-3Mounting Units
The Units that make up an NJ-series Controller can b e co nn ec te d si m pl y b y p re s si n g t h e U n i t s t o g e t h e r
and locking the sliders by moving them toward the bac k o f th e U nit s . T he End Co ver is connect ed i n t he
same way to the Unit on the far right side of the Controller.
1 Join the Units so that the connectors fit exactly.
2 The yellow sliders at the top and bottom of each Unit lock the Units together. Move the sliders
toward the back of the Units as shown below until they click into place.
Precautions for Correct UsePrecautions for Correct Use
4-3-1 Connecting Controller Components
Connector
Hook
Hook holes
Slider
Lock
Release
Move the sliders toward the back
until they lock into place.
Level 1 heading
Level 2 heading
Level 3 heading
Level 2 heading
A step in a procedure
Manual name
Special information
Level 3 heading
Page tab
Gives the current
headings.
Indicates a procedure.
Icons indicate
precautions, additional
information, or reference
information.
Gives the number
of the main section.
This illustration is provided only as a sample. It may not literally appear in this manual.
The sliders on the tops and bottoms of the Power Supply Unit, CPU Unit, I/O Units, Special I/O
Units, and CPU Bus Units must be completely locked (until they click into place) after connecting
the adjacent Unit connectors.
Manual Structure
Page Structure
The following page structure is used in this manual.
Special Information
Special information in this manual is classified as follows:
Precautions for Safe Use
Precautions on what to do and what not to do to ensure safe usage of the product.
Precautions for Correct Use
Precautions on what to do and what not to do to ensure proper operation and performance.
Additional Information
Additional information to read as required.
This information is provided to increase understanding or make operation easier.
4
Note References are provided to more detailed or related information.
NJ/NX-series Troubleshooting Manual (W503)
Precaution on Terminology
In this manual, “download” refers to transferring data from the Sysmac Studio to the physical Controller
and “upload” refers to transferring data from the physical Controller to the Sysmac Studio.
For the Sysmac Studio , synchronization is used to both upload and download data . Here, “synchronize”
means to automatically compare the data for the Sysmac Studio on the computer with the data in the
physical Controller and transfer the data in the direction that is specified by the user.
A-1 Applicable Range of the HMI Troubleshooter.......................................................................A-2
A-1-1Combinations of HMIs and CPU Units That Enable Using the Troubleshooter..........................A-2
A-1-2System Configuration Elements Supported by the Troubleshooter ............................................A-3
A-2 Correspondence of NX Bus Events between NX1P2 CPU Units and Slave Terminals.....A-4
NJ/NX-series Troubleshooting Manual (W503)
9
Terms and Conditions Agreement
Terms and Conditions Agreement
Warranty, Limitations of Liability
Warranties
Exclusive Warranty
Omron’s exclusive warranty is that the Products will be free from defects in materials and workmanship for a period of twelve months from the date of sale by Omro n (or such other period expr essed 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 o rig inal ly
shipped with Buyer responsible for labor charges for removal or replacement thereof) the non-complying 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 combination with any electrical or electronic components, circuits, system assemblies or any other materials 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.
Limitation on Liability; Etc
OMRON COMPANIES SHALL NOT BE LIABLE FOR SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL 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.
10
NJ/NX-series Troubleshooting Manual (W503)
Application Considerations
Suitability of Use
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 complete determination of the suitability of the Product in combination with the end product, machine, system, 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 application 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.
Terms and Conditions Agreement
Programmable Products
Omron Companies shall not be responsib le for the user’s progr amming of a pr ogra mmab le Pr od uct, o r
any consequence thereof.
Disclaimers
Performance Data
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 performance is subject to the Omron’s Warranty and Limitations of Liability.
Change in Specifications
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 chan ged, 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.
Errors and Omissions
Information presented by Omron Companies has been checked and is believed to be accurate; however, no responsibility is assumed for clerical, typographical or proofreading errors or omissions.
NJ/NX-series Troubleshooting Manual (W503)
11
Safety Precautions
Safety Precautions
Refer to the following manuals for safety precautions.
• NX-series CPU Unit Hardware User’s Manual (Cat. No. W535)
• NX-series NX1P2 CPU Unit Hardware User’s Manual (Cat. No. W578)
• NJ-series CPU Unit Hardware User’s Manual (Cat No. W500)
12
NJ/NX-series Troubleshooting Manual (W503)
Precautions for Safe Use
Refer to the following manuals for precautio ns for th e sa fe use of the NJ/NX-series Controller.
Installation precautions are also provided for the NJ/NX-series CPU Unit and the NJ/NX-series Controller system.
• NX-series CPU Unit Hardware User’s Manual (Cat. No. W535)
• NX-series NX1P2 CPU Unit Hardware User’s Manual (Cat. No. W578)
• NJ-series CPU Unit Hardware User’s Manual (W500)
Precautions for Safe Use
NJ/NX-series Troubleshooting Manual (W503)
13
Precautions for Correct Use
Precautions for Correct Use
Refer to the following manuals for precautions for the correct use of the NJ/NX-series Controller.
Installation precautions are also provided for th e NJ/NX-series CPU Unit and the NJ/NX-series Controller system.
• NX-series CPU Unit Hardware User’s Manual (Cat. No. W535)
• NX-series NX1P2 CPU Unit Hardware User’s Manual (Cat. No. W578)
• NJ-series CPU Unit Hardware User’s Manual (W500)
14
NJ/NX-series Troubleshooting Manual (W503)
Regulations and Standards
Conformance to EU Directives
Applicable Directives
• EMC Directives
• Low Voltage Directive
Concepts
EMC Directive
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 standards in the system used by the customer, however, must
be checked by the customer. EMC-related performance of the OMRON devices th at 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 mu st, therefore, perform
the final check to confirm that devices and the overall machine conform to EMC standards.
* Applicable EMC (Electromagnetic Compatibility) standards are as follows:
EMS (Electromagnetic Susceptibility): EN 61131-2
EMI (Electromagnetic Interference): EN 61131-2 (Radiated emission: 10-m regulations)
Regulations and Standards
Low Voltage Directive
Always ensure that devices operating at voltag es of 50 to 1,00 0 VAC and 75 to 1,500 VDC meet the
required safety standards. The applicable directive is EN 61010-2-201.
Conformance to EU Directives
The NJ/NX-series Controllers comply with EU Directives. To ensure that the machine or device in
which the NJ/NX-series Controller is used complies with EU Directives, the Controller must be
installed as follows:
• The NJ/NX-series Controller must be installed within a control panel.
• You must use the power supply in SELV specifications for the DC power supplies connected to
DC Power Supply Units and I/O Units.
• NJ/NX-series Controllers that comply with EU Directives also conform to the Common Emission
Standard (EN 61000-6-4). 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.
NJ/NX-series Troubleshooting Manual (W503)
15
Regulations and Standards
Conformance to KC Standards
Observe the following precaution if you use NX-series Units in Korea.
Class A Device (Broadcasting Communications Device for Office Use)
This device obtained EMC registration for office use (Class A), and it is intended to be used in places
other than homes.
Sellers and/or users need to take note of this.
Conformance to Shipbuilding Standards
The NJ/NX-series Controllers comply with the following shipbuilding standards. Applicability to the
shipbuilding standards is based on certain usage conditions. It may not be possible to use the product in some locations. Contact your OMRON represent ative before a ttempting to use a Contro ller on
a ship.
Usage Conditions for NK and LR Shipbuilding Standards
• The NJ/NX-series Controller must be installed within a control panel.
• Gaps in the door to the control panel must be completely filled or covered with gaskets or other
material.
• The following noise filter must be connected to the power supply line.
Noise Filter
ManufacturerModel
Cosel Co., Ltd.TAH-06-683
Software Licenses and Copyrights
This product incorporates certain third party software. The license and copyright information associated with this software is available at http://www.fa.omron.co.jp/nj_info_e/.
Hardware revisions and unit versions are used to manage the hardware and software in NJ/NX-series
Units and EtherCAT slaves. The hardware revision or unit version is updated each time there is a
change in hardware or software specifications. Even when two Units or EtherCAT slaves have the
same model number, they will have functional or performance differences if they have different hardware revisions or unit versions.
Checking Versions
You can check versions on the ID information indications or with the Sysmac Studio.
Checking Unit Versions on ID Information Indications
The unit version is given on the ID information indication on the side of the product.
The ID information on an NX-series NX701- CPU Unit is shown below.
Versions
Note The hardware revision is not displayed for the Unit that the hardware revision is in blank.
The ID information on an NX-series NX1P2- CPU Unit is shown below.
Note The hardware revision is not displayed for the Unit that the hardware revision is in blank.
NJ/NX-series Troubleshooting Manual (W503)
17
Versions
ID information indication
Unit model
Lot number Serial numberMAC address
Unit versionHardware revision
NJ501
-
Ver.1.
PORT1 MAC ADDRESS:
PORT2 MAC ADDRESS:
Lot No. DDMYY
xxxx
HW Rev.
The ID information on an NJ-series NJ501- CPU Unit is shown below.
Note The hardware revision is not displayed for the Unit that the hardware revision is in blank.
Checking Unit Versions with the Sysmac Studio
You can use the Sysmac Studio to check unit versions. The procedure is different for Units and for EtherCAT slaves.
Checking the Unit Version of an NX-series CPU Unit
You can use the Production Information while the Sysmac Studio is online to check the unit version
of a Unit. You can do this for the CPU Unit. For an NX1P2 CPU Unit, you can also check the unit
versions of the NX Units on the CPU Rack and Option Boards.
1 Right-click CPU Rack under Configurations and Setup − CPU/Expansion Racks in the
Multiview Explorer and select Production Information.
The Production Information Dialog Box is displayed.
Checking the Unit Version of an NJ-series CPU Unit
You can use the Production Information while the Sysmac Studio is online to check the unit version
of a Unit. You can do this for the CPU Unit, CJ-series Special I/O Units, and CJ-series CPU Bus
Units. You cannot check the unit versions of CJ-series Basic I/O Units with the Sysmac Studio.
Use the following procedure to check the unit version.
18
1 Double-click CPU/Expansion Racks under Configurations and Setup in the Multiview
Explorer. Or, right- click CPU/Expansion Racks under Configurations and Setup and select
Edit from the menu.
The Unit Editor is displayed.
2 Right-click any open space in the Unit Editor and select Production Information.
The Production Information Dialog Box is displayed.
NJ/NX-series Troubleshooting Manual (W503)
Versions
Changing Information Displayed in Production Information Dialog Box
1 Click the Show Detail or Show Outline Button at the lower right of the Production Information
Dialog Box.
The view will change between the production information details and outline.
Outline ViewDetail View
The information that is displayed is different for the Outline View and Detail View. The Detail View
displays the unit version, hardware version, and software versions. The Outline View displays only
the unit version.
Note The hardware revision is separated by “/” and displayed on the right of the hardware versio n. The hardware
revision is not displayed for the Unit that the hardware revision is in blank.
Checking the Unit Version of an EtherCAT Slave
You can use the Production Information while the Sysmac Studio is online to check the unit version
of an EtherCAT slave. Use the following procedure to check the unit version.
1 Double-click EtherCAT under Configurations and Setup in the Multiview Explorer. Or, right-
click EtherCAT under Configurations and Setup and select Edit from the menu.
The EtherCAT Tab Page is displa ye d.
2 Right-click the master on the EtherCAT Tab Page and select Display Production Information.
The Production Information Dialog Box is displayed.
The unit version is displayed after “Rev.”
NJ/NX-series Troubleshooting Manual (W503)
19
Versions
Changing Information Displayed in Production Information Dialog Box
1 Click the Show Detail or Show Outline Button at the lower right of the Production Information
Dialog Box.
The view will change between the production information details and outline.
Outline ViewDetail View
Unit Versions of CPU Units and Sysmac Studio Versions
The events that can occur depend on the unit versions of the NJ/NX-series CPU Unit, the EtherCAT
slaves, and the NX Units. You must use the corresponding version of Sysmac Studio to display events
that were added for version upgrades when troubleshooting from the Sysmac Studio or from the Troubleshooter on an HMI. Refer to the product manuals for information on the unit versions of the CPU
Unit, EtherCAT slaves, and NX Units, and for the relationship with the version of the Sysmac Studio.
20
NJ/NX-series Troubleshooting Manual (W503)
Related Manuals
The followings are the manuals related to this manual. Use these manuals for reference.
Manual nameCat. No. Model numbersApplicationDescription
NX-series CPU Unit
Hardware User's Manual
NX-series
NX1P2 CPU Unit
Hardware
User’s Manual
NJ-series CPU Unit
Hardware User’s Manual
NJ/NX-series CPU Unit
Software User’s Manual
NX-series
NX1P2 CPU Unit
Built-in I/O and
Option Board
User’s Manual
NJ/NX-series Instructions Reference Manual
W535NX701-Learning the basic specifi-
cations of the NX701 CPU
Units, including introductory
information, designing,
installation, and maintenance. Mainly hardware
information is provided.
W578NX1P2-Learning the basic specifi-
cations of the NX1P2 CPU
Units, including introductory
information, designing,
installation, and maintenance.
Mainly hardware information is provided.
W500NJ501-
NJ301-
NJ101-
W501NX701-
NX1P2-
NJ501-
NJ301-
NJ101-
W579NX1P2-Learning about the details
W502NX701-
NX1P2-
NJ501-
NJ301-
NJ101-
Learning the basic specifications of the NJ-series
CPU Units, including introductory information, designing, installation, and
maintenance. Mainly hardware information is provided.
Learning how to program
and set up an NJ/NX-series
CPU Unit. Mainly software
information is provided.
of functions only for an NXseries NX1P2 CPU Unit and
an introduction of functions
for an NJ/NX-series CPU
Unit.
ning detailed specifica-
Lear
tions on the basic instructions of an NJ/NX-series
CPU Unit.
An introduction to the entire NX701 system is provided along with the following information on the
CPU Unit.
• Features and system configuration
• Introduction
• Part names and functions
• General specifications
• Installation and wiring
• Maintenance and inspection
An introduction to the entire NX1P2 system is pro-
vided along with the following information on the
CPU Unit.
• Features and system configuration
• Introduction
• Part names and functions
• General specifications
• Installation and wiring
• Maintenance and inspection
An introduction to the entire NJ-series system is
provided along with the following information on
the CPU Unit.
• Features and system configuration
• Introduction
• Part names and functions
• General specifications
• Installation and wiring
• Maintenance and inspection
The following information is provided on NJ/NX-
series CPU Units.
• CPU Unit operation
• CPU Unit features
• Initial settings
• Programming based on IEC 61131-3 language
specifications
Of the functions for an NX1P2 CPU Unit, the following information is provided.
• Built-in I/O
• Serial Communications Option Boards
• Analog I/O Option Boards
An introduction of following functions for an NJ/NXseries CPU Unit is also provided.
• Motion control functions
• EtherNet/IP communications functions
• EtherCAT communications functions
The instructions in the instruction set (IEC 61131-3
specifications) are described.
Related Manuals
NJ/NX-series Troubleshooting Manual (W503)
21
Related Manuals
Manual nameCat. No. Model numbersApplicationDescription
NJ/NX-series CPU Unit
Motion Control User’s
Manual
NJ/NX-series Motion
Control Instructions Reference Manual
NJ/NX-series CPU Unit
Built-in EtherCAT® Port
User’s Manual
NJ/NX-series CPU Unit
Built-in EtherNet/IP
Port User’s Manual
NJ-series
CPU Unit OPC UA
User’s Manual
NJ/NX-series Database
Connection CPU Units
User’s Manual
NJ/NY-series
G code Instructions Reference Manual
NJ/NX-series Troubleshooting Manual
Sysmac Studio V ersion 1
Operation Manual
CNC Operator
Operation Manual
NX-series EtherCAT®
Coupler Unit User’s Manual
NX-series Data
Reference Manual
W507NX701-
NX1P2-
NJ501-
NJ301-
NJ101-
W508NX701-
NX1P2-
NJ501-
NJ301-
NJ101-
W505NX701-
W506NX701-
TM
W588NJ501-100Using the OPC UA.
W527NX701-20
W528NJ501-1340Using the GEM Services
W539NJ501-4Controlling robots with NJ-
O030
O031
W503NX701-
W504SYSMAC-
O032
W519NX-ECCLeaning how to use an NX-
W525NX-Referencing lists of the data
NX1P2-
NJ501-
NJ301-
NJ101-
NX1P2-
NJ501-
NJ301-
NJ101-
NJ501-20
NJ101-20
NJ501-5300
NY532-5400
NJ501-5300
NY532-5400
NX1P2-
NJ501-
NJ301-
NJ101-
SE2
SYSMAC
-RTNC0
Learning about motion control settings and programming concepts.
Learning about the specifications of the motion control
instructions that are provided by OMRON.
Using the built-in EtherCAT
port on an NJ/NX-series
CPU Unit.
Using the built-in EtherNet/IP port on an NJ/NXseries CPU Unit.
Using the database connection service with NJ/NXseries Controllers
with NJ-series Controllers
series CPU Units.
Performing numerical con-
trol with NJ/NY-series Controllers.
Learning about the specifications of the G code/M
code instructions.
Learning about the errors
that may be detected in an
NJ/NX-series Controller.
Learning about the operating procedures and functions of the Sysmac Studio.
Learning an introduction of
the CNC Operator and how
D
to use it.
series EtherCAT Coupler
Unit and EtherCAT Slave
Terminals
that is required to configure
systems with NX-series
Units.
The settings and operation of the CPU Unit and
programming concepts for motion control are
described.
The motion control instructions are described.
Information on the built-in EtherCAT port is provided. This manual provides an introduction and
provides information on the configuration, features,
and setup.
Information on the built-in EtherNet/IP port is provided. Information is provided on the basic setup,
tag data links, and other features.
Information on the OPC UA is provided.
Describes the database connection service.
Information is provided on the GEM Services.
Describes the functionality to control robots.
Describes the functionality to perform the numerical control.
The G code/M code instructions are described.
Concepts on managing errors that may be
detected in an NJ/NX-series Controller and information on individual errors are described.
Describes the operating procedures of the Sysmac
Studio.
An introduction of the CNC Operator, installation
procedures, basic operations, connection operations, and operating procedures for main functions
are described.
The system and configuration of EtherCAT Slave
T erminals, which consist of an NX-series EtherCA T
Coupler Unit and NX Units, are described along
with the hardware, setup, and functions of the EtherCAT Coupler Unit that are required to configure,
control, and monitor NX Units through EtherCAT.
Lists of the power consumptions, weights, and
other NX Unit data that is required to configure
systems with NX-series Units are provided.
22
NJ/NX-series Troubleshooting Manual (W503)
Manual nameCat. No. Model numbersApplicationDescription
NX-series NX Units
User’s Manuals
NX-series Safety Control
Unit User’s Manual
NX-series Safety Control
Unit Instructions Reference Manual
IO-Link System User’s
Manual
GX-series EtherCAT
Slave Units User's Manual
MX2/RX Series Inverter
EtherCAT Communication Unit User’s Manual
AC Servomotors/Servo
Drives 1S-series with
Built-in EtherCAT® Communications User’s Manual
AC Servomotors/Servo
Drives G5-series with
Built-in EtherCAT® Communications User’s Manual
EtherCAT Digital-type
Sensor Communication
Unit Operation Manual
W521NX-ID
NX-IA
NX-OC
NX-OD
NX-MD
W522NX-AD
NX-DA
NX-TS
W523NX-PD1
NX-PF0
NX-PC0
NX-TBX
W524NX-EC0
NX-ECS
NX-PG0
W540NX-CIF
W566
W565NX-RS
W567NX-ILM
Z930NX-SL
Z931NX-SLLearnin g about the specifi-
W570NX-ILM
W488GX-ID
I574
I586R88M-1
I576R88M-K
I577R88L-EC-
E413E3X-ECTLearning how to connect
NX-TS
NX-HB
NX-SI
NX-SO
GX-ILM
GX-OD
GX-OC
GX-MD
GX-AD
GX-DA
GX-EC
XWT-ID
XWT-OD
GX-ILM
3G3AX-MX2-ECT
3G3AX-RX-ECT
R88D-1SN-ECT
R88D-KN-ECT
R88D-KN-ECT-L
Learning how to use NX
Units
*1
Learning how to use NXseries Safety Control Units
cations of instructions for
the Safety CPU Unit.
Learning everything from an
introduction to details about
IO-Link Systems, including
mainly software information
common to all IO-Link masters, Support Software operating methods, and
troubleshooting.
Learning how to use the
EtherCAT remote I/O
terminals.
Learning how to connect a
3G3AX-MX2-ECT or
3G3AX-RX-ECT EtherCAT
Communications Unit for
MX2/RX-series Inverters.
Learning how to use the 1Sseries AC Servomotors/Servo Drives with builtin EtherCAT Communications.
Learning how to use the AC
Servomotors/Servo Drives
with built-in EtherCAT Communications.
E3X-series EtherCAT Slave
Units.
Describes the hardware, setup methods, and functions of the NX Units.
Manuals are available for the following Units.
Digital I/O Units, Analog I/O Units, System Units,
Position Interface Units, Communications Interface
Units, Load Cell Input Units, and IO-Link Master
Units.
Describes the hardware, setup methods, and functions of the NX-series Safety Control Units.
Describes the instructions for the Safety CPU Unit.
Introduces IO-Link Systems and describes system
configurations, communications specifications,
communications methods, I/O data, parameters,
functions, Support Software, and troubleshooting.
Describes the hardware, setup methods and functions of the EtherCAT remote I/O terminals.
Describes the following information for the 3G3AXMX2-ECT and 3G3AX-RX-ECT EtherCAT Communications Unit for MX2/RX-series Inverters:
installation, parameter settings required for operation, troubleshooting, and inspection methods.
Describes the hardware, setup methods and functions of the AC Servomotors/Servo Drives with
built-in EtherCAT Communications.
Describes the hardware, setup methods and functions of the AC Servomotors/Servo Drives with
built-in EtherCAT Communications.
The linear motor type model and the model dedicated for position controls are available in
G5-series.
Provides the specifications of and describes application methods for E3X-series EtherCAT Slave
Units.
Related Manuals
NJ/NX-series Troubleshooting Manual (W503)
23
Related Manuals
Manual nameCat. No. Model numbersApplicationDescription
E3NW-ECT EtherCAT
Digital Sensor Communications Unit Operation
Manual
FQ-M-series Specialized
Vision Sensor for Positioning User’s Manual
FH/FZ5 Vision System
FH/FZ5 Series User’s
Manual for Communications Settings
ZW-CE1
Fiber Type Displacement Sensor User's Manual
CJ-series Special Unit
Manuals for NJ-series
CPU Unit
Learning how to connect
FH/FZ5-series Vision Systems
ZW-CE1
Slave Units.
Learning how to use CJseries Units with an NJseries CPU Unit.
Learning the specifications
and settings required to
install an NA-series Programmable Terminals and
connect peripheral devices.
Learning about NA-series
Programmable Terminal
pages and object functions.
Learning how to use the
NS-series Programmable
Terminals.
T EtherCAT
Provides the specifications of and describes application methods for E3NW EtherCAT Slave Units.
Describes the following information for the FQ-Mseries Specialized Vision Sensor for Positioning:
installation, wiring methods, parameter settings
required for operation, troubleshooting, and
inspection methods.
The functions, settings, and communications
methods to communicate with FH/FZ5-series
Vision Systems from a PLC or other external
device are described.
Provides the specifications of and describes application methods for ZW-CE1T EtherCAT Slave
Units.
The methods and precautions for using CJ-series
Units with an NJ501 CPU Unit are described,
including access methods and programming interfaces.
Manuals are available for the following Units.
Analog I/O Units, Insulated-type Analog I/O Units,
Temperature Control Units, ID Sensor Units, Highspeed Counter Units, Serial Communications
Units, DeviceNet Units, EtherNet/IP Units, and
CompoNet Master Units.
Information is provided on NA-series Programmable T erminal specifications, part names, installation
procedures, and procedures to connect an NA Unit
to peripheral devices. Information is also provided
on maintenance after operation and troubleshooting.
NA-series Programmable Terminal pages and
object functions are described.
Describes the setup methods, functions, etc. of the
NS-series Programmable Terminals.
24
NJ/NX-series Troubleshooting Manual (W503)
Revision History
W503-E1-18
Revision code
Cat. No.
A manual revision code appears as a suffix to the catalog number on the front and back covers of the
manual.
Revision codeDateRevised content
01July 2011Original production
02March 2012Added information related to the upgrade to CPU unit version
03May 2012Added information related to the upgrade to CPU unit version
04August 2012Made additions to events and changes to the contents related
05February 2013Made additions to events and changes to the contents related
06April 2013Made additions to events and changes to the contents related
07June 2013Made additions to events and changes to the contents related
08September 2013 Made additions to events and changes to the contents related
09December 2013 Made additions to events and changes to the contents related
10July 2014Corrected mistakes.
1 1January 2015Made additions to events and changes to the contents related
12April 2015Made additions to events and changes to the contents related
13April 2016Made changes to the contents related to the upgrade to CPU
14July 2016Made changes to the contents related to the upgrade to CPU
15October 2016Made changes to the contents related to the upgrade to CPU
16April 2017Made changes to the contents related to the upgrade to CPU
Revision History
1.01, made additions and changes to events related to the
addition of devices that can be connected, and corrected mistakes.
1.02, made additions and changes to events related to the
addition of devices that can be connected, and corrected mistakes.
to the upgrade to CPU unit version 1.03, and corrected mistakes.
to the upgrade to CPU unit version 1.04, and corrected mistakes.
to the upgrade to CPU unit version 1.05, and corrected mistakes.
to the upgrade to CPU unit version 1.06, and corrected mistakes.
to the upgrade to CPU unit version 1.07, and corrected mistakes.
to the upgrade to CPU unit version 1.08, and corrected mistakes.
to the upgrade to CPU unit version 1.10, and corrected mistakes.
to the addition of the NX701corrected mistakes.
unit version 1.11, and corrected mistakes.
unit version 1.12, and corrected mistakes.
unit version 1.13, and corrected mistakes.
unit version 1.14, and corrected mistakes.
and NJ101-
, and
NJ/NX-series Troubleshooting Manual (W503)
25
Revision History
17October 2017Made changes to th e contents related to the upgrade to CPU
18January 2018Made changes to the contents related to the upgrade to CPU
unit version 1.16, added an error log table for CJ-series Special Units, and corrected mistakes.
unit version 1.17, and corrected mistakes.
26
NJ/NX-series Troubleshooting Manual (W503)
Overview of Errors
This section provides information that is required to troubleshoot errors. It introduces
the types of errors that can occur on an NJ/NX-series Controller, the operation that
occurs in response to errors, and the methods yo u can use to che ck for erro rs. Refer to
Section 2 Error Troubleshooting Methods for information on troubleshooting errors.
Precautions for Correct UsePrecautions for Correct Use
HMI
Host computer
Built-in EtherCAT port
Built-in EtherNet/IP
port
Troubleshooting functions
Troubleshooter
EtherNet/IP
EtherCAT
Sysmac Studio
CJ-series Units and NX Units
NJ/NX-series
CPU Unit
Error management range for
NJ/NX-series Controller
EtherCAT
slaves
1-1Overview of NJ/NX-series Errors
You manage all of the errors that occur on the NJ/NX-series Controller as events. The same methods
are used for all events. This allows you to see what errors have occurred and find corrections for them
with the same methods for the entire range of errors that is managed (i.e., CPU Unit, NX Units, NXseries Slave Terminals, EtherCAT slaves,* and CJ-series Units).
* Only Sysmac devices are supported. For information on EtherCAT sl aves that are Sysmac devices, refer to the
NJ/NX-series CPU Unit Built-in EtherCAT Port User’s Manual (Cat. No. W505).
1-2
You can use the troubleshooting functions of the Sysmac Studio or the Troubleshooter on an HMI to
quickly check for errors that have occurred and find corrections for them.
To perform troubleshooting from an HMI, connect the HMI to the built-in EtherNet/IP port on the CPU
Unit.
• CJ-series Units can be used only with an NJ-series CPU Unit.
• The only CPU Unit on which NX Units can be mounted is an NX1P2 CPU Unit.
• Refer to A-1 Applicable Range of the HMI Troubleshooter for the applicable range of the HMI
Troubleshooter.
NJ/NX-series Troubleshooting Manual (W503)
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