Omron NX Series - Page 318

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Note that the usage rate of allowable tag data link bandwidth for the device, 192.168.250.10, is also

increased from 40.83% to 51.00%.

12 Communications Performance and Communications Load

12-22

NX-series EtherNet/IP Unit User's Manual (W627)

Main Page

Intended Audience3
Applicable Products3
Relevant Manuals4
Manual Structure6
Page Structure6
Special Information7
Precaution on Terminology7
Sections in this Manual9
Table of Contents10
Terms and Conditions Agreement16
Warranty, Limitations of Liability16
Application Considerations17
Disclaimers17
Statement of Security Responsibilities for Assumed Use Cases and against Threats18
Safety Precautions19
Definition of Precautionary Information19
Symbols19
Warnings20
Precautions for Safe Use22
Precautions for Correct Use25
Regulations and Standards27
Unit Versions28
Related Manuals29
Revision History31
Features and System Configuration33
Features34
Ethernet/Ip Features34
Features of NX-Series Ethernet/Ip Units34
System Configuration38
Introduction to Communications Services40
CIP (Common Industrial Protocol) Communications Services40
IP Routing42
Packet Filter43
BOOTP Client43
Specifying Host Names43
SNMP Agent44
Lldp45
Support Software46
Specifications48
General Specifications48
Performance Specifications49
Function Specifications51
Ethernet/Ip Communications Procedures52
Part Names56
Part Functions57
Operation Status Indicators57
DIP Switch58
Mounting and Removing NX-Series Ethernet/Ip Units60
Installing Ethernet Networks61
Selecting the Network Devices62
Recommended Network Devices62
Ethernet Switch Types63
Ethernet Switch Functions63
Precautions for Ethernet Switch Selection64
Network Installation67
Basic Installation Precautions67
Recommended Network Devices67
Precautions When Laying Twisted-Pair Cable67
Precautions When Installing and Connecting Ethernet Switches71
Connecting to the Network73
Ethernet Connectors73
Connecting the Cable73
Device Variables Related to the NX-Series Ethernet/Ip Unit75
Checking for Status of the NX-Series Ethernet/Ip Unit78
Device Variables79
Specifications for Individual Device Variables90
Sysmac Studio Settings for the Ethernet/Ip Port103
TCP/IP Settings Display104
LINK Settings Display112
SNMP Settings Display113
SNMP Trap Settings Display115
CIP Settings Display117
TCP/IP Functions119
Determining IP Addresses120
IP Addresses120
IP Addresses121
Ethernet/Ip Port IP Address Settings122
Private and Global Addresses127
Default States of TCP/UDP Ports and the Changing Procedure130
Testing Communications131
PING Command131
Using the PING Command131
Host Computer Operation131
Packet Filter133
Introduction to Packet Filter133
Packet Filter Specifications133
Packet Filter Settings134
Settings for Devices that Access the Controller135
Port Forward Via NX-Series Ethernet/Ip Units138
Port Forward on Which a CPU Unit Is a Client138
Port Forward on Which an External Device Is a Client141
Port Forward between CPU Unit and NX-Series Ethernet/Ip Unit or between Ethernet/Ip Ports on NX-Series Ethernet/Ip Units142
Tag Data Link Functions145
Introduction to Tag Data Links146
Tag Data Links146
Data Link Data Areas147
Tag Data Link Functions and Specifications150
Overview of Operation151
Starting and Stopping Tag Data Links154
Controller Status154
Concurrency of Tag Data Link Data156
Setting Tag Data Links159
Starting the Network Configurator159
Tag Data Link Setting Procedure161
Registering Devices161
Creating Tags and Tag Sets163
Connection Settings176
Creating Connections Using the Wizard186
Creating Connections by Dragging and Dropping Devices189
Connecting the Network Configurator to the Network192
Downloading Tag Data Link Parameters195
Uploading Tag Data Link Parameters198
Verifying Tag Data Link Parameters201
Starting and Stopping Tag Data Links205
Clearing the Device Parameters207
Saving the Network Configuration File209
Reading a Network Configuration File211
Checking Connections213
Changing Devices214
Displaying Device Status216
Ladder Programming for Tag Data Links217
Status Flags Related to Tag Data Links220
Tag Data Links with Other Models222
Quickconnect226
Method of Use226
Managed Switches226
Managed Switches227
CIP Message Communications229
Overview of the CIP Message Communications Service230
Message Communications Service Specifications230
Client Function of CIP Message Communications231
Overview231
CIP Communications Instructions231
Using CIP Communications Instructions232
Route Path232
Request Path (IOI)241
Service Data and Response Data244
Operation Timing246
Response Codes247
Server Function of CIP Message Communications251
CIP Message Structure for Accessing CIP Objects252
10-4 Specifying Request Path254
Examples of CIP Object Specifications254
Logical Segment254
Logical Segment255
10-5 CIP Object Services256
CIP Objects Sent to the Ethernet/Ip Port256
Identity Object (Class ID: 01 Hex)256
TCP/IP Interface Object (Class ID: F5 Hex)260
Ethernet Link Object (Class ID: F6 Hex)263
SNMP Agent271
Overview272
11-1 SNMP Agent272
Specifications273
SNMP Messages273
MIB Specifications274
11-2 Procedure to Use the SNMP Agent295
Procedures295
Settings Required for the SNMP Agent295
Communications Performance and Communications Load297
12-1 Communications System298
Tag Data Link Communications Method298
Calculating the Number of Connections301
Packet Interval (RPI) Accuracy302
12-2 Adjusting the Communications Load303
Checking Bandwidth Usage for Tag Data Links304
Tag Data Link Bandwidth Usage and RPI305
Adjusting Device Bandwidth Usage306
Changing the RPI307
RPI Setting Examples312
12-3 Tag Data Link I/O Response Time319
Timing of Data Transmissions319
Maximum Tag Data Link I/O Response Time319
12-4 Message Service Transmission Delay323
Instructions Specific to NX-Series Ethernet/Ip Units325
Commonly Used Structure Variables326
Tdlinkstartconnection327
Variables327
Related Error Codes328
Function329
Precautions for Correct Use329
Sample Programming329
Tdlinkstopconnection332
Variables332
Related Device Variables333
Related Error Codes333
Function334
Precautions for Correct Use334
Sample Programming334
Troubleshooting337
14-1 Checking Methods for Errors338
Checking with the Unit Status Indicators on the NX-Series Ethernet/Ip Unit339
Checking with the Unit Status Indicators on the NX-Series Ether-Net/Ip Unit339
Checking with the Ethernet/Ip Status Indicators on the NX-Series Ethernet/Ip Unit341
Checking with the Sysmac Studio, an HMI, and Instructions that Read Error Status342
Types of Communications Errors342
Source and Level of Communications Errors343
Error Tables344
Error Tables345
Error Details350
14-5 Checking with Device Variables382
Checking with the Network Configurator383
The Network Configurator's Device Monitor Function383
Connection Status Codes and Troubleshooting391
Maintenance and Inspection399
Appendices401
A-1 Dimensions402
Functional Comparison of Ethernet/Ip Ports on NJ/NX-Series CPU Units and Other Series404
Use the Sysmac Studio to Set the Tag Data Links (Ethernet/Ip Connections406
A-3-1 Overview of the Tag Data Links (Ethernet/Ip Connections) Settings with the Sysmac Studio406
Overview of the Tag Data Links (Ethernet/Ip Connections) Settings with the Sysmac Studio406
A-3-2 Procedure to Make the Ethernet/Ip Connection Settings with the Sysmac Studio407
A-3-3 Ethernet/Ip Connection Settings408
Ethernet/Ip Connection Settings408
Making the Ethernet/Ip Connection Settings with the Sysmac Studio412
A-3-5 Checking Communications Status with the Sysmac Studio and Troubleshooting432
Troubleshooting432
Checking Communications Status with the Sysmac Studio and Troubleshooting432
Troubleshooting437
A-4 EDS File Management443
A-4-1 Installing EDS Files443
Installing EDS Files443
A-4-2 Creating EDS Files444
A-4-3 Deleting EDS Files444
Creating EDS Files444
Deleting EDS Files444
Saving EDS Files445
Searching EDS Files445
A-4-6 Displaying EDS File Properties446
A-4-7 Creating EDS Index Files446
Displaying EDS File Properties446
Creating EDS Index Files446
Precautions for Using the Network Configurator on Windows XP, Windows Vis- Ta, or Windows 7 or Higher447
Precautions for Using the Network Configurator on Windows XP, Windows Vista, or Windows 7 or Higher447
Changing Windows Firewall Settings447
Tag Data Link Settings with Generic Devices450
A-6-1 Creating Generic Devices450
Creating Generic Devices450
Creating a Tag or Tag Set for Generic Device451
TCP/UDP Port Numbers Used for the NX-Series Ethernet/Ip Unit455

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