Omron Sysmac NJ-series User manual

Machine Automation Controller
NJ/NX-series
CPU Unit Built-in EtherNet/IPTM Port
CPU Unit
User’s Manual
W506-E1-16
NX701-17
NX701-16
NX1P2-11
NX1P2-10
NX1P2-90
NJ501-5
NJ501-4
NJ501-3
NJ301-12
NJ301-11
NJ101-10
NJ101-90

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.
• 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.
Trademarks
Copyrights
NOTE
Microsoft product screen shots reprinted with permission from Microsoft Corporation.

1
Introduction
NJ/NX-series CPU Unit Built-in EtherNet/IP Port User’s Manual (W506)
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.
This manual is intended for the following personnel, who must also have knowledge of electrical sys-
tems (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.
This manual covers the following products.
•NX-series CPU Units
•NX701-17
•NX701-16
•NX1P2-11
•NX1P2-111
•NX1P2-10
•NX1P2-101
•NX1P2-90
•NX1P2-901
•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 Rele-
vant Manuals on page 2 and Related Manuals on page 25.
Intended Audience
Applicable Products

Relevant Manuals
2NJ/NX-series CPU Unit Built-in EtherNet/IP Port User’s Manual (W506)
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 Software. Refer to the Sysmac Stu-
dio Version 1 Operation Manual (Cat. No. W504) for information on the Sysmac Studio.
Purpose of use
Manual
Basic information
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 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 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/NX-series Troubleshooting Manual
Introduction to the NX701 Controller 
Introduction to the NX1P2 Controller 
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 the database connection service

Using the GEM Services 
Controlling robots 
Using the NX1P2 Controller 
Writing the user program

Using motion control 
Using EtherCAT 
Using EtherNet/IP 
Using the database connection service

Using the GEM Services 
Controlling robots 
Programming error processing 
Using the NX1P2 Controller 

3
Relevant Manuals
NJ/NX-series CPU Unit Built-in EtherNet/IP Port User’s Manual (W506)
*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.
Testing operation and debugging

Using motion control 
Using EtherCAT 
Using EtherNet/IP 
Using the database connection service

Using the GEM Services 
Controlling robots 
Using the NX1P2 Controller 
Learning about error management and
corrections *1 
Maintenance

Using motion control 
Using EtherCAT 
Using EtherNet/IP 
Purpose of use
Manual
Basic information
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 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 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/NX-series Troubleshooting Manual

Manual Structure
4NJ/NX-series CPU Unit Built-in EtherNet/IP Port User’s Manual (W506)
Manual Structure
The following page structure is used in this manual.
Page Structure
4-9
4 Installation and Wiring
NJ-series CPU Unit Hardware User’s Manual (W500)
stinUgnitnuoM3-4
4
stnenopmoCrellortnoCgnitcennoC1-3-4
4-3 Mounting Units
The Units that make up an NJ-series Controller can be connected simply by pressing the Units together
and locking the sliders by moving them toward the back of the Units. The End Cover is connected in the
same way to the Unit on the far right side of the Controller.
1Join the Units so that the connectors fit exactly.
2The 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.

5
Manual Structure
NJ/NX-series CPU Unit Built-in EtherNet/IP Port User’s Manual (W506)
Special information in this manual is classified as follows:
Note References are provided to more detailed or related information.
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.
Special Information
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.
Version Information
Information on differences in specifications and functionality for CPU Units with different unit versions
and for different versions of the Sysmac Studio is given.
Precaution on Terminology

Manual Structure
6NJ/NX-series CPU Unit Built-in EtherNet/IP Port User’s Manual (W506)

7
Sections in this Manual
NJ/NX-series CPU Unit Built-in EtherNet/IP Port User’s Manual (W506)
FTP Client
Determining
IP Addresses
System-defined Variables
Related to the Built-in Eth-
erNet/IP Port
Sysmac Studio Settings
for the Built-in Ether-
Net/IP Port
Testing Communications
Tag Data Link Functions
CIP Message
Communications
Socket Service
FTP Server
Automatic Clock
Adjustment
SNMP Agent
Communications Per-
formance and Commu-
nications Load
Troubleshooting
Appendices
Index
1 10
2 11
3 12
4 13
5
7
8
9
1 10
2 11
3 12
4 13
5 14
6
7A
8
9
14
A
7
I
Introduction
Installing Ethernet
Networks
6
15
I
15
Sections in this Manual

8NJ/NX-series CPU Unit Built-in EtherNet/IP Port User’s Manual (W506)
CONTENTS
CONTENTS
Introduction ...............................................................................................................1
Relevant Manuals......................................................................................................2
Manual Structure .......................................................................................................4
Sections in this Manual ............................................................................................7
Terms and Conditions Agreement.........................................................................14
Safety Precautions..................................................................................................16
Precautions for Safe Use........................................................................................17
Precautions for Correct Use...................................................................................18
Regulations and Standards....................................................................................19
Versions ...................................................................................................................21
Related Manuals......................................................................................................25
Revision History......................................................................................................27
Section 1 Introduction
1-1 Introduction.............................................................................................................................. 1-2
1-1-1 EtherNet/IP Features .................................................................................................................. 1-2
1-1-2 Features of Built-in EtherNet/IP Port on NJ/NX-series CPU Units..............................................1-3
1-2 System Configuration and Configuration Devices............................................................... 1-5
1-2-1 Devices Required to Construct a Network .................................................................................. 1-5
1-2-2 Support Software Required to Construct a Network ................................................................... 1-6
1-3 Built-in EtherNet/IP Port.......................................................................................................... 1-7
1-3-1 Specifications .............................................................................................................................. 1-7
1-3-2 Part Names and Functions........................................................................................................ 1-11
1-4 Introduction to Communications Services ......................................................................... 1-15
1-4-1 CIP (Common Industrial Protocol) Communications Services.................................................. 1-15
1-4-2 IP Routing ................................................................................................................................. 1-17
1-4-3 BOOTP Client ........................................................................................................................... 1-18
1-4-4 FTP Server................................................................................................................................ 1-18
1-4-5 FTP Client ................................................................................................................................. 1-19
1-4-6 Automatic Clock Adjustment ..................................................................................................... 1-19
1-4-7 Socket Service .......................................................................................................................... 1-20
1-4-8 Specifying Host Names ............................................................................................................. 1-20
1-4-9 SNMP Agent ............................................................................................................................. 1-21
1-5 EtherNet/IP Communications Procedures .......................................................................... 1-22
1-5-1 Outline....................................................................................................................................... 1-22
Section 2 Installing Ethernet Networks
2-1 Selecting the Network Devices .............................................................................................. 2-2
2-1-1 Recommended Network Devices................................................................................................2-2

9
NJ/NX-series CPU Unit Built-in EtherNet/IP Port User’s Manual (W506)
CONTENTS
2-1-2 Ethernet Switch Types ................................................................................................................ 2-3
2-1-3 Ethernet Switch Functions.......................................................................................................... 2-3
2-1-4 Precautions for Ethernet Switch Selection..................................................................................2-4
2-2 Network Installation................................................................................................................. 2-6
2-2-1 Basic Installation Precautions..................................................................................................... 2-6
2-2-2 Recommended Network Devices ............................................................................................... 2-6
2-2-3 Precautions When Laying Twisted-pair Cable ............................................................................ 2-6
2-2-4 Precautions When Installing and Connecting Ethernet Switches ............................................. 2-10
2-3 Connecting to the Network................................................................................................... 2-11
2-3-1 Ethernet Connectors..................................................................................................................2-11
2-3-2 Connecting the Cable ............................................................................................................... 2-12
Section 3 System-defined Variables Related to the Built-in
EtherNet/IP Port
3-1 System-defined Variables Related to the Built-in EtherNet/IP Port .................................... 3-2
3-2 System-defined Variables ....................................................................................................... 3-3
3-3 Specifications for Individual System-defined Variables .................................................... 3-33
Section 4 Determining IP Addresses
4-1 IP Addresses............................................................................................................................ 4-2
4-1-1 IP Address Configuration............................................................................................................ 4-2
4-1-2 Allocating IP Addresses.............................................................................................................. 4-3
4-1-3 Subnet Masks............................................................................................................................. 4-3
4-1-4 CIDR........................................................................................................................................... 4-4
4-2 Built-in EtherNet/IP Port IP Address Settings....................................................................... 4-5
4-2-1 Determining IP Addresses .......................................................................................................... 4-5
4-2-2 Setting IP Addresses .................................................................................................................. 4-6
4-2-3 Online Connection ...................................................................................................................... 4-9
4-2-4 Checking the Current IP Address ............................................................................................. 4-12
4-3 Private and Global Addresses.............................................................................................. 4-13
4-3-1 Private and Global Addresses .................................................................................................. 4-13
4-3-2 Using a Private Address for the Built-in EtherNet/IP Port......................................................... 4-14
4-3-3 Using a Global Address for the Built-in EtherNet/IP Port.......................................................... 4-15
Section 5 Sysmac Studio Settings for the Built-in EtherNet/IP Port
5-1 TCP/IP Settings Display .......................................................................................................... 5-2
5-2 Link Settings Display .............................................................................................................. 5-6
5-3 FTP Display .............................................................................................................................. 5-7
5-4 NTP Settings Display .............................................................................................................. 5-8
5-5 SNMP Settings Display ......................................................................................................... 5-10
5-6 SNMP Trap Settings Display................................................................................................. 5-12
Section 6 Testing Communications
6-1 Testing Communications........................................................................................................ 6-2
6-1-1 PING Command ......................................................................................................................... 6-2
6-1-2 Using the PING Command ......................................................................................................... 6-2
6-1-3 Host Computer Operation........................................................................................................... 6-3

10 NJ/NX-series CPU Unit Built-in EtherNet/IP Port User’s Manual (W506)
CONTENTS
Section 7 Tag Data Link Functions
7-1 Introduction to Tag Data Links ...............................................................................................7-2
7-1-1 Tag Data Links ............................................................................................................................ 7-2
7-1-2 Data Link Data Areas .................................................................................................................. 7-3
7-1-3 Tag Data Link Functions and Specifications................................................................................7-6
7-1-4 Overview of Operation ................................................................................................................ 7-7
7-1-5 Starting and Stopping Tag Data Links ......................................................................................... 7-9
7-1-6 Controller Status........................................................................................................................ 7-10
7-1-7 Concurrency of Tag Data Link Data ..........................................................................................7-13
7-2 Setting Tag Data Links .......................................................................................................... 7-18
7-2-1 Starting the Network Configurator............................................................................................. 7-18
7-2-2 Tag Data Link Setting Procedure .............................................................................................. 7-20
7-2-3 Registering Devices .................................................................................................................. 7-21
7-2-4 Creating Tags and Tag Sets ...................................................................................................... 7-23
7-2-5 Connection Settings.................................................................................................................. 7-35
7-2-6 Creating Connections Using the Wizard ...................................................................................7-45
7-2-7 Creating Connections by Device Dragging and Dropping......................................................... 7-48
7-2-8 Connecting the Network Configurator to the Network............................................................... 7-51
7-2-9 Downloading Tag Data Link Parameters................................................................................... 7-58
7-2-10 Uploading Tag Data Link Parameters .......................................................................................7-61
7-2-11 Verifying the Tag Data Links...................................................................................................... 7-64
7-2-12 Starting and Stopping Tag Data Links ....................................................................................... 7-68
7-2-13 Clearing the Device Parameters ............................................................................................... 7-70
7-2-14 Saving the Network Configuration File...................................................................................... 7-72
7-2-15 Reading a Network Configuration File ......................................................................................7-73
7-2-16 Checking Connections .............................................................................................................. 7-75
7-2-17 Changing Devices ..................................................................................................................... 7-76
7-2-18 Displaying Device Status........................................................................................................... 7-77
7-3 Ladder Programming for Tag Data Links ............................................................................ 7-78
7-3-1 Ladder Programming for Tag Data Links .................................................................................. 7-78
7-3-2 Status Flags Related to Tag Data Links ....................................................................................7-83
7-4 Tag Data Links with Other Models ....................................................................................... 7-84
Section 8 CIP Message Communications
8-1 Overview of the CIP Message Communications Service..................................................... 8-3
8-1-1 Overview of the CIP Message Communications Service............................................................ 8-3
8-1-2 Message Communications Service Specifications...................................................................... 8-3
8-2 CIP Messaging Communications Client Function................................................................ 8-4
8-2-1 Overview ..................................................................................................................................... 8-4
8-2-2 CIP Communications Instructions............................................................................................... 8-5
8-2-3 Using CIP Communications Instructions.....................................................................................8-6
8-2-4 Route Path .................................................................................................................................. 8-7
8-2-5 Request Path (IOI) .................................................................................................................... 8-17
8-2-6 Service Data and Response Data.............................................................................................8-21
8-2-7 Sample Programming for CIP Connectionless (UCMM) Message Communications................ 8-22
8-2-8 Sample Programming for CIP Connection (Class 3) Message Communications ..................... 8-27
8-2-9 Operation Timing....................................................................................................................... 8-34
8-2-10 Response Codes....................................................................................................................... 8-35
8-3 CIP Communication Server Functions ................................................................................ 8-39
8-3-1 CIP Message Structure for Accessing CIP Objects .................................................................. 8-40
8-3-2 CIP Message Structure for Accessing Variables.......................................................................8-40
8-4 Specifying Request Path....................................................................................................... 8-41
8-4-1 Examples of CIP Object Specifications.....................................................................................8-41
8-4-2 Examples of Variable Specifications ......................................................................................... 8-41
8-4-3 Logical Segment ....................................................................................................................... 8-42
8-4-4 Data Segment ........................................................................................................................... 8-43
8-4-5 Specifying Variable Names in Request Paths........................................................................... 8-44

11
NJ/NX-series CPU Unit Built-in EtherNet/IP Port User’s Manual (W506)
CONTENTS
8-5 CIP Object Services............................................................................................................... 8-47
8-5-1 CIP Objects Sent to the Built-in EtherNet/IP Port ..................................................................... 8-47
8-5-2 Identity Object (Class ID: 01 Hex) ............................................................................................ 8-47
8-5-3 TCP/IP Interface Object (Class ID: F5 hex).............................................................................. 8-50
8-5-4 Ethernet Link Object (Class ID: F6 Hex)................................................................................... 8-53
8-5-5 Controller Object (Class ID: C4 Hex)........................................................................................ 8-58
8-6 Read and Write Services for Variables ................................................................................ 8-59
8-6-1 Read Services for Variables ..................................................................................................... 8-59
8-6-2 Write Service for Variables ....................................................................................................... 8-61
8-7 Variable Data Types ............................................................................................................... 8-63
8-7-1 Data Type Codes ...................................................................................................................... 8-63
8-7-2 Common Format....................................................................................................................... 8-64
8-7-3 Elementary Data Types ............................................................................................................ 8-64
8-7-4 Derived Data Types .................................................................................................................. 8-66
Section 9 Socket Service
9-1 Basic Knowledge on Socket Communications .................................................................... 9-2
9-1-1 Sockets ....................................................................................................................................... 9-2
9-1-2 Port Numbers for Socket Services.............................................................................................. 9-2
9-2 Basic Knowledge on Protocols.............................................................................................. 9-3
9-2-1 Differences between TCP and UDP ........................................................................................... 9-3
9-2-2 Fragmenting of Send Data.......................................................................................................... 9-5
9-2-3 Data Reception Processing ........................................................................................................ 9-7
9-2-4 Broadcasting............................................................................................................................. 9-10
9-3 Overview of Built-in EtherNet/IP Port Socket Services...................................................... 9-11
9-3-1 Overview....................................................................................................................................9-11
9-3-2 Procedure ..................................................................................................................................9-11
9-4 Settings Required for the Socket Services ......................................................................... 9-12
9-4-1 Settings Required for the Socket Services ............................................................................... 9-12
9-5 Socket Service Instructions ................................................................................................. 9-13
9-6 Details on Using the Socket Services.................................................................................. 9-14
9-6-1 Using the Socket Services........................................................................................................ 9-14
9-6-2 Procedure to Use Socket Services ...........................................................................................9-15
9-6-3 Timing Chart for Output Variables Used in Communications.................................................... 9-17
9-6-4 UDP Sample Programming ...................................................................................................... 9-19
9-6-5 TCP Sample Programming....................................................................................................... 9-24
9-7 Precautions in Using Socket Services ................................................................................ 9-30
9-7-1 Precautions for UDP and TCP Socket Services ....................................................................... 9-30
9-7-2 Precautions for UDP Socket Services ...................................................................................... 9-30
9-7-3 Precautions for TCP Socket Services....................................................................................... 9-30
Section 10 FTP Server
10-1 Overview and Specifications ................................................................................................ 10-2
10-1-1 Overview................................................................................................................................... 10-2
10-1-2 Specifications............................................................................................................................ 10-2
10-2 FTP Server Function Details.................................................................................................10-3
10-2-1 Supported Files......................................................................................................................... 10-3
10-2-2 Connecting to the FTP Server .................................................................................................. 10-3
10-3 Using the FTP Server Function ............................................................................................ 10-6
10-3-1 Procedure ................................................................................................................................. 10-6
10-3-2 List of Settings Required for the FTP Server Function ............................................................. 10-6
10-4 FTP Server Application Example ......................................................................................... 10-7
10-5 Using FTP Commands ..........................................................................................................10-9

12 NJ/NX-series CPU Unit Built-in EtherNet/IP Port User’s Manual (W506)
CONTENTS
10-5-1 Table of Commands .................................................................................................................. 10-9
10-5-2 Using the Commands.............................................................................................................. 10-10
10-6 Using SD Memory Card Operations................................................................................... 10-16
10-6-1 SD Memory Card Types.......................................................................................................... 10-16
10-6-2 File Types................................................................................................................................ 10-17
10-6-3 Initializing SD Memory Cards.................................................................................................. 10-17
10-6-4 Format of Variable Data .......................................................................................................... 10-18
10-7 Application Example from a Host Computer .................................................................... 10-19
Section 11 FTP Client
11-1 Using the FTP Client to Transfer Files................................................................................. 11-2
11-1-1 Transferring Files ...................................................................................................................... 11-2
11-1-2 Connectable FTP Servers......................................................................................................... 11-3
11-1-3 File Transfer Options................................................................................................................. 11-3
11-1-4 Other Functions......................................................................................................................... 11-4
11-2 FTP Client Communications Instructions ........................................................................... 11-5
11-2-1 Functions of the FTP Client Communications Instructions ....................................................... 11-5
11-2-2 Restrictions on the FTP Client Communications Instructions ................................................... 11-7
11-3 FTP Client Application Example........................................................................................... 11-9
Section 12 Automatic Clock Adjustment
12-1 Automatic Clock Adjustment................................................................................................ 12-2
12-1-1 Overview ................................................................................................................................... 12-2
12-1-2 Specifications ............................................................................................................................ 12-3
12-2 Procedure to Use the Automatic Clock Adjustment Function .......................................... 12-4
12-2-1 Procedure.................................................................................................................................. 12-4
12-2-2 Settings Required for Automatic Clock Adjustment .................................................................. 12-4
Section 13 SNMP Agent
13-1 SNMP Agent ........................................................................................................................... 13-2
13-1-1 Overview ................................................................................................................................... 13-2
13-1-2 Specifications ............................................................................................................................ 13-3
13-1-3 SNMP Messages ...................................................................................................................... 13-3
13-1-4 MIB Specifications..................................................................................................................... 13-4
13-2 Procedure to Use the SNMP Agent .................................................................................... 13-22
13-2-1 Procedures.............................................................................................................................. 13-22
13-2-2 Settings Required for the SNMP Agent................................................................................... 13-22
Section 14 Communications Performance and Communications
Load
14-1 Communications System...................................................................................................... 14-2
14-1-1 Tag Data Link Communications Method ...................................................................................14-2
14-1-2 Calculating the Number of Connections....................................................................................14-4
14-1-3 Packet Interval (RPI) Accuracy ................................................................................................. 14-5
14-2 Adjusting the Communications Load .................................................................................. 14-6
14-2-1 Checking Bandwidth Usage for Tag Data Links........................................................................ 14-7
14-2-2 Tag Data Link Bandwidth Usage and RPI ................................................................................. 14-8
14-2-3 Adjusting Device Bandwidth Usage ..........................................................................................14-9
14-2-4 Changing the RPI.................................................................................................................... 14-11
14-2-5 RPI Setting Examples ............................................................................................................. 14-17

13
NJ/NX-series CPU Unit Built-in EtherNet/IP Port User’s Manual (W506)
CONTENTS
14-3 I/O Response Time in Tag Data Links ................................................................................ 14-22
14-3-1 Timing of Data Transmissions ................................................................................................ 14-22
14-3-2 Built-in EtherNet/IP Port Data Processing Time ..................................................................... 14-23
14-3-3 Relationship between Task Periods and Packet Intervals (RPIs) ........................................... 14-25
14-3-4 Maximum Tag Data Link I/O Response Time ......................................................................... 14-26
14-4 Message Service Transmission Delay............................................................................... 14-28
Section 15 Troubleshooting
15-1 Overview of Errors ................................................................................................................ 15-2
15-1-1 How to Check for Errors ........................................................................................................... 15-3
15-1-2 Errors Related to the EtherNet/IP Function Module ................................................................. 15-9
15-2 Troubleshooting .................................................................................................................. 15-13
15-2-1 Error Table .............................................................................................................................. 15-13
15-2-2 Error Descriptions ................................................................................................................... 15-19
15-2-3 Troubleshooting ...................................................................................................................... 15-51
15-3 Checking Status with the Network Configurator .............................................................. 15-52
15-3-1 The Network Configurator’s Device Monitor Function ............................................................ 15-52
15-3-2 Connection Status Codes and Troubleshooting ..................................................................... 15-59
Appendices
A-1 Functional Comparison of EtherNet/IP Ports on NJ/NX-series CPU Units and Other Series
A-2
A-2 Use the Sysmac Studio to Set the Tag Data Links (EtherNet/IP Connections)..................A-3
A-2-1 Overview of the Tag Data Links (EtherNet/IP Connections) Settings with the Sysmac Studio... A-3
A-2-2 Procedure to Make the EtherNet/IP Connection Settings with the Sysmac Studio .................... A-5
A-2-3 EtherNet/IP Connection Settings................................................................................................ A-6
A-2-4 Making the EtherNet/IP Connection Settings with the Sysmac Studio ..................................... A-11
A-2-5 Checking Communications Status with the Sysmac Studio and Troubleshooting ....................A-34
A-2-6 Troubleshooting ........................................................................................................................ A-38
A-3 EDS File Management ...........................................................................................................A-44
A-3-1 Installing EDS Files................................................................................................................... A-45
A-3-2 Creating EDS Files ................................................................................................................... A-45
A-3-3 Deleting EDS Files.................................................................................................................... A-46
A-3-4 Saving EDS Files...................................................................................................................... A-46
A-3-5 Searching EDS Files................................................................................................................. A-47
A-3-6 Displaying EDS File Properties................................................................................................. A-48
A-3-7 Creating EDS Index Files ......................................................................................................... A-48
A-4 Precautions for Using the Network Configurator on Windows XP, Windows Vista, or
Windows 7A-49
A-4-1 Changing Windows Firewall Settings ....................................................................................... A-49
A-5 Variable Memory Allocation Methods ..................................................................................A-52
A-5-1 Variable Memory Allocation Rules ............................................................................................ A-52
A-5-2 Important Case Examples ........................................................................................................ A-60
A-6 Precautions When Accessing External Outputs in CPU Units..........................................A-64
A-7 TCP State Transitions............................................................................................................A-65
A-8 Version Information...............................................................................................................A-67
Index

Terms and Conditions Agreement
14 NJ/NX-series CPU Unit Built-in EtherNet/IP Port User’s Manual (W506)
Terms and Conditions Agreement
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Limitation on Liability; Etc

15
Terms and Conditions Agreement
NJ/NX-series CPU Unit Built-in EtherNet/IP Port User’s Manual (W506)
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Change in Specifications
Errors and Omissions

Safety Precautions
16 NJ/NX-series CPU Unit Built-in EtherNet/IP Port User’s Manual (W506)
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)

17
Precautions for Safe Use
NJ/NX-series CPU Unit Built-in EtherNet/IP Port User’s Manual (W506)
Precautions for Safe Use
Refer to the following manuals for precautions for safe use.
•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)

Precautions for Correct Use
18 NJ/NX-series CPU Unit Built-in EtherNet/IP Port User’s Manual (W506)
Precautions for Correct Use
Refer to the following manuals for precautions for correct use.
•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)