Name: Omron CJ1W-EIP21
Brand: Omron
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7-21

7 Tag Data Link Functions

CJ-series EtherNet/IP Units Operation Manual for NJ-series CPU Unit (W495)

7-2 Setting Tag Data Links

7-2-4 Creating Tags and Tag Sets

Click the Tag Sets Tab at the top of the Edit Device Parameters Dialog Box. There are two kinds

of tag sets: input (consume) and output (produce).

 Creating and Adding Tags

Click the Edit Tags Button.

The Edit Tags Dialog Box is displayed.

Introduction3
Relevant Manuals4
Manual Structure6
Sections in this Manual9
- Table of Contents11
Read and Understand this Manual17
Safety Precautions21
Precautions for Safe Use26
Precautions for Correct Use32
Regulations and Standards35
Unit Versions36
Related Manuals39
Revision History41
- Introduction43
1-1 Introduction44
- Ethernet/Ip Features44
- Introduction44
- Features of the Ethernet/Ip Unit45
System Configuration and Configuration Devices47
- Devices Required to Construct a Network47
- Support Software Required to Construct a Network48
Ethernet/Ip Unit49
- Specifications49
- Part Names and Functions51
- Dimensions57
Introduction to Communications Services58
- CIP (Common Industrial Protocol) Communications Services58
- BOOTP Client60
- FTP Server60
- Automatic Clock Adjustment61
- Specifying Host Names61
- SNMP Agent62
Ethernet/Ip Communications Procedures63
- Basic Operation63
- Procedure for Using Tag Data Links65
- Using Ethernet/Ip Network Functions66
Section 2 Installing Ethernet Networks70
- Installing Ethernet Networks70
Switch Settings on the Front Panel of the Ethernet/Ip Unit70
Mounting the Unit to the CPU Rack or Expansion Rack71
Selecting the Network Devices72
- Recommended Network Devices72
- Network Devices Manufactured by OMRON73
- Ethernet Switch Types73
- Ethernet Switch Functions73
- Precautions for Ethernet Switch Selection74
Network Installation76
- Basic Installation Precautions76
- Recommended Network Devices76
- Precautions76
Connecting to the Network78
- Ethernet Connectors78
- Connecting the Cable78
- Noise Countermeasures for Contact Output Units79
  - Assigning Device Variables for CJ-Series Units81
Section 3 Assigning Device Variables for CJ-Series Units82
Data Exchange with the CPU Unit82
- Data Flow82
- Specifying and Creating Variables85
Device Variables for the CJ-Series Unit86
- Assigning Device Variables for CJ-Series Units86
- Device Variables for the CJ-Series Unit for Software Switches86
- Device Variables for the CJ-Series Unit for Status88
- Device Variables for the CJ-Series Unit for Setup96
User Definition Settings for the Status Area97
- Introduction to User Definition Settings97
- Setting User Definitions97
- Accessing the User-Defined Status Area97
- Status Information Assigned to the User-Defined Area98
  - Determining IP Addresses101
IP Addresses102
- IP Address Configuration102
- Allocating IP Addresses103
- Subnet Masks103
- Cidr103
Setting the IP Address of the Ethernet/Ip Unit104
- Determining IP Addresses104
- Setting IP Addresses105
- Online Connection107
Private and Global Addresses110
- Using a Private Address for the Ethernet/Ip Unit111
- Using a Global Address for the Ethernet/Ip Unit112
Section 5 Sysmac Studio Settings for the Ethernet/Ip Unit114
Unit Settings for the Ethernet/Ip Unit114
- Updating the Unit Settings114
- Restoring the Default Unit Settings114
TCP/IP Settings Display115
Link Settings Display117
FTP Settings Display118
SNTP Settings Display119
SNMP Settings Display121
SNMP Trap Settings Display123
Status Area Settings Display125
- Testing Communications127
6-1 Testing Communications128
- PING Command128
- Using the PING Command with the Ethernet/Ip Unit128
- Host Computer Operation129
  - Tag Data Link Functions131
Section 7 Tag Data Link Functions132
Introduction to Tag Data Links132
- Tag Data Links132
- Data Link Data Areas133
- Tag Data Link Functions and Specifications136
- Overview of Operation137
- Starting and Stopping Tag Data Links140
- Controller Status140
- Concurrency of Tag Data Link Data142
Setting Tag Data Links146
- Starting the Network Configurator146
- Tag Data Link Setting Procedure148
- Registering Devices149
- Creating Tags and Tag Sets150
- Connection Settings161
- Creating Connections Using the Wizard171
- Creating Connections by Device Dragging and Dropping173
- Connecting the Network Configurator to the Network177
- Downloading Tag Data Link Parameters180
- Uploading Tag Data Link Parameters183
- Verifying the Tag Data Links186
- Starting and Stopping Tag Data Links189
- Clearing the Device Parameters191
- Saving the Network Configuration File192
- Reading a Network Configuration File194
- Checking Connections195
- Changing Devices197
- Displaying Device Status198
Ladder Programming for Tag Data Links199
- Status Flags Related to Tag Data Links203
Tag Data Links with Models Other than NJ-Series CPU Units204
Section 8 Message Communications208
- Overview of the CIP Message Communications Service208
  - Message Communications Service Specifications208
- Using CIP Message Communications209
- CIP Objects Sent to the Ethernet/Ip Unit237
Section 9 FTP Server248
- Overview and Specifications248
  - Overview248
  - Specifications248
- FTP Server Function Details249
  - Supported Files249
  - Connecting to the FTP Server249
- Using the FTP Server Function251
  - Procedure251
  - List of Settings Required for the FTP Server Function251
- FTP Server Application Example252
- Using FTP Commands253
  - Table of Commands253
  - Using the Commands254
- FTP Server Status259
  - FTP Status259
- Using SD Memory Card Operations260
- FTP File Transfer Time263
- Application Example from a Host Computer264
Automatic Clock Adjustment267
- Overview268
- Specifications268
- Automatic Clock Adjustment268
- Procedure to Use the Automatic Clock Adjustment Function269
11-1 SNMP Agent272
- Overview272
- Specifications273
- SNMP Messages273
- MIB Specifications274
Procedure to Use the SNMP Agent289
- Procedures289
- Settings Required for the SNMP Agent289
Section 12 Communications Performance and Communications292
Communications System292
- Tag Data Link Communications Method292
- Calculating the Number of Connections294
- Packet Interval (RPI) Accuracy295
Adjusting the Communications Load296
- Checking Bandwidth Usage for Tag Data Links297
- Tag Data Link Bandwidth Usage and RPI298
- Adjusting Device Bandwidth Usage299
- Changing the RPI300
- RPI Setting Examples306
I/O Response Time in Tag Data Links311
- Timing of Data Transmissions311
- Ethernet/Ip Unit Data Processing Time312
- Effect of Tag Data Links on Task Periods314
- Maximum Tag Data Link I/O Response Time315
Message Service Transmission Delay317
Troubleshooting319
Checking Status with the Network Configurator320
- The Network Configurator's Device Monitor Function320
Using the LED Indicators and Display for Troubleshooting328
- Errors Occurring at the Ethernet/Ip Unit328
Connection Status Codes and Error Processing338
Error Log344
- Error Log Data344
- Error Log Error Codes345
Event Logs349
- Overview of the Event Logs349
- Error Table350
- Error Descriptions353
Troubleshooting366
- CPU Unit's ERR Lit or Flashing366
- General Ethernet Problems366
- Tag Data Links Fail to Start367
- Tag Data Link Problems368
- Message Timeout Problems369
- Cleaning and Maintenance370
  - Cleaning370
  - Inspection370
- Precautions on Equipment Replacement372
Appendices375
- Functional Comparison of Ethernet/Ip Functionality on NJ-Series CPU Units and Other Series376
- EDS File Management377
- Precautions for Using the Network Configurator on Windows XP, Windows Vista, or Windows 7381
  - A-3-1 Changing Windows Firewall Settings381
- Variable Memory Allocation Methods384
  - A-4-1 Variable Memory Allocation Rules384
  - A-4-2 Important Case Examples393
- Precautions When Accessing External Outputs from NJ-Series CPU Units397
  - CPU Units397
- Differences in Available Functions Depending on the CPU Unit (NJ or CJ Series398
- Version Information430

Omron CJ1W-EIP21 User Manual

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Omron CJ1W-EIP21 Specifications

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Brand	Omron
Model	CJ1W-EIP21
Category	Controller
Language	English