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Omron CJ1W-EIP21 User Manual
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8-15
8
Message Communications
CJ-series EtherNet/IP Unit
s Operation Manual for NJ-series CPU Unit (W495)
8-2 Using CIP Message Communications
8
8
-2-6 Sample Programming f
or CIP Connectionless
(UCMM) Message Communications
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222
Table of Contents
Introduction
3
Relevant Manuals
4
Manual Structure
6
Sections in this Manual
9
Table of Contents
11
Read and Understand this Manual
17
Safety Precautions
21
Precautions for Safe Use
26
Precautions for Correct Use
32
Regulations and Standards
35
Unit Versions
36
Related Manuals
39
Revision History
41
Introduction
43
1-1 Introduction
44
Ethernet/Ip Features
44
Introduction
44
Features of the Ethernet/Ip Unit
45
System Configuration and Configuration Devices
47
Devices Required to Construct a Network
47
Support Software Required to Construct a Network
48
Ethernet/Ip Unit
49
Specifications
49
Part Names and Functions
51
Dimensions
57
Introduction to Communications Services
58
CIP (Common Industrial Protocol) Communications Services
58
BOOTP Client
60
FTP Server
60
Automatic Clock Adjustment
61
Specifying Host Names
61
SNMP Agent
62
Ethernet/Ip Communications Procedures
63
Basic Operation
63
Procedure for Using Tag Data Links
65
Using Ethernet/Ip Network Functions
66
Section 2 Installing Ethernet Networks
70
Installing Ethernet Networks
70
Switch Settings on the Front Panel of the Ethernet/Ip Unit
70
Mounting the Unit to the CPU Rack or Expansion Rack
71
Selecting the Network Devices
72
Recommended Network Devices
72
Network Devices Manufactured by OMRON
73
Ethernet Switch Types
73
Ethernet Switch Functions
73
Precautions for Ethernet Switch Selection
74
Network Installation
76
Basic Installation Precautions
76
Recommended Network Devices
76
Precautions
76
Connecting to the Network
78
Ethernet Connectors
78
Connecting the Cable
78
Noise Countermeasures for Contact Output Units
79
Assigning Device Variables for CJ-Series Units
81
Section 3 Assigning Device Variables for CJ-Series Units
82
Data Exchange with the CPU Unit
82
Data Flow
82
Specifying and Creating Variables
85
Device Variables for the CJ-Series Unit
86
Assigning Device Variables for CJ-Series Units
86
Device Variables for the CJ-Series Unit for Software Switches
86
Device Variables for the CJ-Series Unit for Status
88
Device Variables for the CJ-Series Unit for Setup
96
User Definition Settings for the Status Area
97
Introduction to User Definition Settings
97
Setting User Definitions
97
Accessing the User-Defined Status Area
97
Status Information Assigned to the User-Defined Area
98
Determining IP Addresses
101
IP Addresses
102
IP Address Configuration
102
Allocating IP Addresses
103
Subnet Masks
103
Cidr
103
Setting the IP Address of the Ethernet/Ip Unit
104
Determining IP Addresses
104
Setting IP Addresses
105
Online Connection
107
Private and Global Addresses
110
Using a Private Address for the Ethernet/Ip Unit
111
Using a Global Address for the Ethernet/Ip Unit
112
Section 5 Sysmac Studio Settings for the Ethernet/Ip Unit
114
Unit Settings for the Ethernet/Ip Unit
114
Updating the Unit Settings
114
Restoring the Default Unit Settings
114
TCP/IP Settings Display
115
Link Settings Display
117
FTP Settings Display
118
SNTP Settings Display
119
SNMP Settings Display
121
SNMP Trap Settings Display
123
Status Area Settings Display
125
Testing Communications
127
6-1 Testing Communications
128
PING Command
128
Using the PING Command with the Ethernet/Ip Unit
128
Host Computer Operation
129
Tag Data Link Functions
131
Section 7 Tag Data Link Functions
132
Introduction to Tag Data Links
132
Tag Data Links
132
Data Link Data Areas
133
Tag Data Link Functions and Specifications
136
Overview of Operation
137
Starting and Stopping Tag Data Links
140
Controller Status
140
Concurrency of Tag Data Link Data
142
Setting Tag Data Links
146
Starting the Network Configurator
146
Tag Data Link Setting Procedure
148
Registering Devices
149
Creating Tags and Tag Sets
150
Connection Settings
161
Creating Connections Using the Wizard
171
Creating Connections by Device Dragging and Dropping
173
Connecting the Network Configurator to the Network
177
Downloading Tag Data Link Parameters
180
Uploading Tag Data Link Parameters
183
Verifying the Tag Data Links
186
Starting and Stopping Tag Data Links
189
Clearing the Device Parameters
191
Saving the Network Configuration File
192
Reading a Network Configuration File
194
Checking Connections
195
Changing Devices
197
Displaying Device Status
198
Ladder Programming for Tag Data Links
199
Status Flags Related to Tag Data Links
203
Tag Data Links with Models Other than NJ-Series CPU Units
204
Section 8 Message Communications
208
Overview of the CIP Message Communications Service
208
Message Communications Service Specifications
208
Using CIP Message Communications
209
Overview
209
CIP Communications Instructions
209
Using CIP Communications Instructions
210
Route Path
212
Preparing Derivative Data Types to Use CIP Communications Instructions
217
Sample Programming for CIP Connectionless (UCMM) Message Communications
219
Sample Programming for CIP Connection (Class 3) Message Communications
225
Operation Timing
232
Response Codes
233
CIP Objects Sent to the Ethernet/Ip Unit
237
Identity Object (Class ID: 01 Hex)
237
TCP/IP Interface Object (Class ID: F5 Hex)
239
Ethernet Link Object (Class ID: F6 Hex)
241
Controller Object (Class ID: C4 Hex)
245
FTP Server
247
Section 9 FTP Server
248
Overview and Specifications
248
Overview
248
Specifications
248
FTP Server Function Details
249
Supported Files
249
Connecting to the FTP Server
249
Using the FTP Server Function
251
Procedure
251
List of Settings Required for the FTP Server Function
251
FTP Server Application Example
252
Using FTP Commands
253
Table of Commands
253
Using the Commands
254
FTP Server Status
259
FTP Status
259
Using SD Memory Card Operations
260
SD Memory Card Types
260
File Types
261
Initializing SD Memory Cards
261
Format of Variable Data
262
FTP File Transfer Time
263
Application Example from a Host Computer
264
Automatic Clock Adjustment
267
Overview
268
Specifications
268
Automatic Clock Adjustment
268
Procedure to Use the Automatic Clock Adjustment Function
269
Procedure
269
Settings Required for Automatic Clock Adjustment
269
Updating the Clock Information
270
SNMP Agent
272
11-1 SNMP Agent
272
Overview
272
Specifications
273
SNMP Messages
273
MIB Specifications
274
Procedure to Use the SNMP Agent
289
Procedures
289
Settings Required for the SNMP Agent
289
Section 12 Communications Performance and Communications
292
Communications System
292
Tag Data Link Communications Method
292
Calculating the Number of Connections
294
Packet Interval (RPI) Accuracy
295
Adjusting the Communications Load
296
Checking Bandwidth Usage for Tag Data Links
297
Tag Data Link Bandwidth Usage and RPI
298
Adjusting Device Bandwidth Usage
299
Changing the RPI
300
RPI Setting Examples
306
I/O Response Time in Tag Data Links
311
Timing of Data Transmissions
311
Ethernet/Ip Unit Data Processing Time
312
Effect of Tag Data Links on Task Periods
314
Maximum Tag Data Link I/O Response Time
315
Message Service Transmission Delay
317
Troubleshooting
319
Checking Status with the Network Configurator
320
The Network Configurator's Device Monitor Function
320
Using the LED Indicators and Display for Troubleshooting
328
Errors Occurring at the Ethernet/Ip Unit
328
Connection Status Codes and Error Processing
338
Error Log
344
Error Log Data
344
Error Log Error Codes
345
Event Logs
349
Overview of the Event Logs
349
Error Table
350
Error Descriptions
353
Troubleshooting
366
CPU Unit's ERR Lit or Flashing
366
General Ethernet Problems
366
Tag Data Links Fail to Start
367
Tag Data Link Problems
368
Message Timeout Problems
369
Cleaning and Maintenance
370
Cleaning
370
Inspection
370
Precautions on Equipment Replacement
372
Precautions When Replacing the Ethernet/Ip Unit
372
Settings Required after Unit Replacement
372
Ethernet/Ip Unit Replacement Procedure
373
Appendices
375
Functional Comparison of Ethernet/Ip Functionality on NJ-Series CPU Units and Other Series
376
EDS File Management
377
A-2-1 Installing EDS Files
378
A-2-2 Creating EDS Files
378
A-2-3 Deleting EDS Files
379
A-2-4 Saving EDS Files
379
A-2-5 Searching EDS Files
379
A-2-6 Displaying EDS File Properties
380
A-2-7 Creating EDS Index Files
380
Precautions for Using the Network Configurator on Windows XP, Windows Vista, or Windows 7
381
A-3-1 Changing Windows Firewall Settings
381
Variable Memory Allocation Methods
384
A-4-1 Variable Memory Allocation Rules
384
A-4-2 Important Case Examples
393
Precautions When Accessing External Outputs from NJ-Series CPU Units
397
CPU Units
397
Differences in Available Functions Depending on the CPU Unit (NJ or CJ Series
398
A-6-1 Functional Differences
398
A-6-2 Differences in Access Methods from the User Program
398
Differences in Available Functions Depending on the CPU Unit
398
Series
398
Version Information
430
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Omron CJ1W-EIP21 Specifications
General
Brand
Omron
Model
CJ1W-EIP21
Category
Controller
Language
English
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