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Omron CJ2-CPU User Manual
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1 EtherNet/IP Networks
1 - 4
NX-series EtherNet/IP Coupler Unit U
ser’s Manual (W536)
Parallel Protocols
V
arious, ge
neral-purp
ose Ethernet devic
es can be used within th
e same EtherNet
/IP network
because EtherNet/IP uses st
andard Ethernet techno
logy
. Additional protocols such as Modbus/TCP
can be used in para
llel to EtherNet/IP
when communicating with other devices.
EtherNet/IP Unit
EtherNet/IP Unit
EtherNet/IP Unit
Modbus TCP/IP
Modbus TCP/IP Device
EtherNet/IP
Coupler Unit
43
45
Table of Contents
Default Chapter
3
Introduction
3
Intended Audience
3
Applicable Products
3
Table of Contents
4
Contents
5
Relevant Manuals
10
Manual Structure
11
Page Structure and Icons
11
Special Information
12
Precaution on Terminology
12
Contents
13
Terms and Conditions Agreement
15
Warranty, Limitations of Liability
15
Application Considerations
16
Disclaimers
16
Safety Precautions
17
Definition of Precautionary Information
17
Symbols
17
Warnings
18
Cautions
19
Precautions for Safe Use
20
Precautions for Correct Use
25
Regulations and Standards
26
Conformance to EU Directives
26
Conformance to UL and CSA Standards
27
Conformance to Shipbuilding Standards
27
Conformance to KC Standards
27
Software Licenses and Copyrights
27
Unit Versions
28
Unit Versions and Support Software Versions
30
Related Manuals
31
Terminology
36
Revision History
38
Sections in this Manual
39
Ethernet/Ip Networks
41
Section 1 Ethernet/Ip Networks
42
Introduction to Ethernet/Ip
42
Ethernet/Ip Features
42
Ethernet/Ip Network Configuration Elements
45
System Configuration Example of an Ethernet/Ip Network
45
Introduction to Configuration Devices
46
Support Software Used to Construct a Network
47
Features of Ethernet/Ip Slave Terminals
52
System Configurations of Ethernet/Ip Slave Terminals
55
System Configuration
55
Types of NX Units
57
Safety Control System
58
Support Software
59
Applicable Support Software
59
Connection Method and Procedures
59
Specifications
62
General Specifications of Ethernet/Ip Slave Terminals
62
Ethernet/Ip Coupler Unit Specifications
63
End Cover Specifications
66
Procedures
67
Ethernet/Ip Slave Terminal Application Procedures
67
Details
69
Part Names and Functions
71
Parts and Names
72
Ethernet/Ip Coupler Units
72
NX Units
73
End Cover
74
Indicators
75
Hardware Switch Settings
78
Rotary Switches
78
DIP Switch
79
Communications Connector and Peripheral USB Port
80
Terminal Blocks
81
DIN Track Contact Plate
83
Designing the Power Supply System
85
Power Supply System and Design Concepts
86
Power Supply System and Types of Power Supplies
86
NX-Series Power Supply-Related Units
87
Design Concepts for Power Supply to the Ethernet/Ip Slave Terminal
89
Designing the NX Unit Power Supply System
90
Procedure for Designing the NX Unit Power Supply System
90
Calculation Example for the NX Unit Power Supply
91
Designing the I/O Power Supply System
93
I/O Power Supply Method
93
Designing the I/O Power Supply from the NX Bus
94
Designing the I/O Power Supply from External Sources
98
Restrictions on Inrush Current for ON/OFF Operation
98
Selecting External Power Supplies and Protective Devices
100
Selecting the Unit Power Supply
100
Selecting the I/O Power Supplies
102
Selecting Protective Devices
103
Section 6 Installation
108
Installation
108
Installing Units
108
Installation Precautions
108
Installation Orientation
109
Preparations for Installation
112
Installation Orientation
114
Installing the Ethernet/Ip Coupler Unit
115
Installing and Connecting NX Units
118
Mounting the End Cover
121
Mounting the End Plates
123
Attaching Markers
124
Removing Units
125
Assembled Appearance and Dimensions
127
Control Panel Installation
130
Temperature
130
Humidity
132
Vibration and Shock
132
Atmosphere
132
Electrical Environment
132
Grounding
137
Wiring
139
Section 7 Wiring
140
Ethernet/Ip Network Wiring
140
Installation Precautions
140
Preparations for Installation
140
Pin Arrangement of Communications Connectors on the Ethernet/Ip Coupler Unit
141
Connecting Communications Cables and Connectors
142
Connecting Communications Cables
142
Connecting the Power Supply and Ground Wires
144
Wiring the Ethernet/Ip Coupler Unit
144
Wiring the Power Supply to the Ethernet/Ip Slave Terminal
145
Grounding the Ethernet/Ip Slave Terminal
145
Precautions for Wiring the Ethernet/Ip Slave Terminal Together with Computers and Other Peripheral Devices
149
Wiring to the Screwless Clamping Terminal Block
149
Connecting USB Cable
164
Wiring External Signal Lines
166
Ethernet/Ip Communications
167
Section 8 Ethernet/Ip Communications
168
Ethernet/Ip Functions
168
Implicit Message Communications
168
Explicit Message Communications
169
Tag Data Links
170
Tag Data Link Data Areas
171
Creating Tag Data Links
173
Setting up Slave Terminals
175
Section 9 Setting up Slave Terminals
177
Settings and Setting Procedures
177
Items to Set
177
Slave Terminal Parameters
179
Setting Procedures
179
Setting Slave Terminal Parameters
181
Items to Set
181
Setting the NX Unit Configuration Information
181
I/O Allocation Information
185
I/O Allocation Information
186
Unit Operation Settings
196
Unit Application Data
197
Support Software Functions Used as Required
198
Transferring and Comparing Settings
202
Transferring Slave Terminal Setting Information through the USB Port on the Ethernet/Ip Coupler Unit
202
Comparing Settings
203
Setting IP Address
205
Directly Setting the IP Address with the Network Configurator
205
Getting the IP Address from the BOOTP Server with the Network Configurator
207
Directly Setting the IP Address Using Hardware Switches
208
Getting an IP Address from the BOOTP Server
209
Setting Tag Data Links
210
Starting the Network Configurator
210
Tag Data Link Setting Procedure
212
Registering Devices
213
Determine Tag Sizes
214
Creating Tags and Tag Sets
216
Connection Settings
230
Tag Data Parameters and Specifications
237
Downloading Tag Data Link Parameters
237
Uploading Tag Data Link Parameters
240
Starting and Stopping Tag Data Links
243
Additional Tag Data Link Functions
244
Assigning Network Variables
245
Basic I/O Mapping
245
Support Software I/O Allocation Functions
247
I/O Refreshing
249
Introduction to I/O Refreshing for Ethernet/Ip Slave Terminals
250
Communications Performance
253
I/O Response Time
253
Functions
259
NX Unit Mounting Settings
260
Introduction
260
Applications
261
Setting NX Units as Unmounted Units
262
Event Logs
264
Introduction
264
Detailed Information on Event Logs
265
Automatic Clock Adjustment
267
Reading Event Logs
268
Clearing Event Logs
270
Exporting the Event Log
271
Clearing All Memory
273
Introduction
273
Details on Clearing All Memory
273
Procedure for Clearing All Memory
274
Restarting
278
Introduction
278
Details on Restarting
278
Procedure for Restarting
279
Changing Event Levels
280
Introduction
280
Details on Changing Event Levels
280
Procedure to Change an Event Level
280
Fail-Soft Operation
282
Overview
282
Application
283
Details on Fail-Soft Operation
283
Monitoring Total Power-ON Time
285
Overview
285
Details on Monitoring Total Power-ON Times
285
Checking Total Power-ON Times
285
Ethernet Switch Functions
286
Troubleshooting
287
Section 12 Troubleshooting
288
How to Check for Errors
288
Checking for Errors and Troubleshooting with the Indicators
289
On the Ethernet/Ip Coupler Unit
289
Checking for Errors and Troubleshooting with Support Software
296
Checking Status with the Network Configurator
296
Checking for Errors and Troubleshooting with
296
Connection Status Codes and Troubleshooting
303
Checking for Errors from the Sysmac Studio
307
Checking for Errors from Support Software
307
Other than the Sysmac Studio
307
Event Codes for Errors and Troubleshooting Procedures
308
Resetting Errors
337
Procedure to Reset Errors
337
Troubleshooting Other Errors
340
Maintenance and Inspection
341
Section 13 Maintenance and Inspection
342
Cleaning and Maintenance
342
Cleaning
342
Periodic Inspections
342
Maintenance Procedures
344
Importing and Exporting Data
344
Replacement Procedure for the Ethernet/Ip Coupler Unit
344
Basic Replacement Procedure for NX Units
345
Appendices
347
Supported CIP Objects
349
A-1-1 Identity Object (Class ID: 01 Hex
349
Identity Object (Class ID: 01 Hex
349
Assembly Object (Class ID: 04 Hex
351
A-1-3 NX Configuration Object (Class ID: 74 Hex
352
A-1-4 TCP/IP Interface Object (Class ID: F5 Hex
368
Ethernet Link Object (Class ID: F6 Hex
371
A-1-6 Clear Error Explicit Message Example Using CMND(490
373
Response Codes
376
TCP/UDP Message Service
380
A-2-1 System Configuration for Using the TCP/UDP Message Service
380
System Configuration for Using the TCP/UDP Message Service
380
A-2-2 Setup Procedure for TCP/UDP Message Service
382
A-2-5 TCP/IP and UDP/IP Port Number Setting
382
A-2-3 Detailed Setup Procedure for TCP/UDP Message Service
383
TCP/UDP Message Service Specifications
384
A-2-5 TCP/IP and UDP/IP Port Number Setting
387
A-2-6 Troubleshooting Errors Related to the TCP/UDP Message Service
389
Examples of Ethernet/Ip Slave Terminal Settings and I/O Data Control Procedure Using Messages
391
A-3-1 Changing the Unit Operation Settings for the Ethernet/Ip Coupler Unit
392
A-3-2 Changing the Unit Operation Settings of One NX Unit
392
A-3-3 Changing the Unit Operation Settings of Multiple NX Units
393
A-3-4 Changing the Unit Operation Settings of the Entire Ethernet/Ip Slave Terminal
393
Changing the Unit Operation Settings of the Entire Ethernet/Ip Slave Terminal
393
A-3-5 Initializing the Unit Operation Settings of One NX Unit
395
A-3-6 Reading and Writing I/O Data for Ethernet/Ip Slave Terminals
395
Programming Example to Detect Valid I/O Data
397
Application Procedure for the Default Settings
398
A-5-1 Basic Procedure
398
Basic Procedure
398
Connecting to Masters from Other Manufacturers
400
A-6-1 System Configuration
400
System Configuration
400
A-6-2 Application Procedure
401
Dimensions
402
A-7-1 Ethernet/Ip Coupler Unit
402
Ethernet/Ip Coupler Unit
402
A-7-2 End Cover
403
End Cover
403
NX Objects
404
A-8-1 NX Objects
404
A-8-2 Format of Object Descriptions
404
Format of Object Descriptions
404
A-8-3 Unit Information Objects
405
A-8-4 Objects that Accept I/O Allocations
407
A-8-5 Other Objects
410
Other Objects
410
Terminal Block Model Numbers
411
A-9-1 Model Number Notation
411
Models
411
A-9-2 Models
411
Version Information
413
A-10-1 Relationship between Unit Versions
413
A-10-2 Functions that Were Added or Changed for each Unit Version
416
A-10-3 Unit Versions and Support Software
420
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Omron CJ2-CPU Specifications
General
Brand
Omron
Model
CJ2-CPU
Category
Controller
Language
English
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