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NX701-1720
Omron NX701-1720 User Manual
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7 T
ag Data Link Functions
7-67
NJ/NX-series CPU Unit Built-in EtherNet/IP Port User
’
s Manual (W506)
7-2 Setting T
ag Data Links
7
7-2-1
1 V
erifying T
ag Data Link Parameters
240
242
Table of Contents
Intended Audience
3
Applicable Products
3
Relevant Manuals
4
Manual Structure
6
Page Structure
6
Special Information
7
Precaution on Terminology
7
Sections in this Manual
9
Table of Contents
10
Terms and Conditions Agreement
17
Warranty, Limitations of Liability
17
Application Considerations
18
Disclaimers
18
Safety Precautions
20
Precautions for Safe Use
21
Precautions for Correct Use
22
Regulations and Standards
23
Versions
24
Checking Versions
24
Unit Versions of CPU Units and Sysmac Studio Versions
28
Unit Versions of CPU Units and Peripheral Tool Versions
28
Related Manuals
29
Revision History
32
Introduction
35
Ethernet/Ip Features
36
Features of Built-In Ethernet/Ip Port on NJ/NX-Series CPU Units
36
Introduction
36
System Configuration and Configuration Devices
39
Devices Required to Construct a Network
39
Support Software Required to Construct a Network
40
Built-In Ethernet/Ip Port
42
Specifications
42
Part Names and Functions
46
Introduction to Communications Services
53
CIP (Common Industrial Protocol) Communications Services
53
IP Routing
55
Packet Filter
56
BOOTP Client
57
FTP Server
57
FTP Client
58
Automatic Clock Adjustment
58
Socket Service
59
Specifying Host Names
60
SNMP Agent
60
TCP/UDP Message Service
61
Ethernet/Ip Communications Procedures
62
Selecting the Network Devices
66
Recommended Network Devices
66
Ethernet Switch Types
67
Ethernet Switch Functions
67
Precautions for Ethernet Switch Selection
68
Network Installation
71
Basic Installation Precautions
71
Recommended Network Devices
71
Precautions When Laying Twisted-Pair Cable
71
Precautions When Installing and Connecting Ethernet Switches
75
Connecting to the Network
77
Ethernet Connectors
77
Connecting the Cable
77
System-Defined Variables Related to the Built-In Ethernet/Ip Port
79
System-Defined Variables
81
Specifications for Individual System-Defined Variables
114
Determining IP Addresses
141
IP Addresses
142
IP Address Configuration
142
Allocating IP Addresses
142
Subnet Mask
142
Cidr
143
Built-In Ethernet/Ip Port IP Address Settings
145
Determining IP Addresses
145
Setting IP Addresses
145
Online Connection
148
Checking the Current IP Address
151
Private and Global Addresses
152
Using a Private Address for the Built-In Ethernet/Ip Port
153
Using a Global Address for the Built-In Ethernet/Ip Port
154
Sysmac Studio Settings for the Built-In Ethernet/Ip Port
155
TCP/IP Settings Display
156
LINK Settings Display
162
FTP Settings Display
163
NTP Settings Display
164
SNMP Settings Display
166
SNMP Trap Settings Display
168
PING Command
172
Using the PING Command
172
Host Computer Operation
172
Introduction to Tag Data Links
176
Tag Data Links
176
Data Link Data Areas
177
Tag Data Link Functions and Specifications
180
Overview of Operation
181
Starting and Stopping Tag Data Links
183
Controller Status
184
Concurrency of Tag Data Link Data
186
Controller Status
186
Setting Tag Data Links
193
Starting the Network Configurator
193
Tag Data Link Setting Procedure
195
Registering Devices
195
Creating Tags and Tag Sets
197
Connection Settings
210
Creating Connections Using the Wizard
220
Creating Connections by Dragging and Dropping Devices
223
Connecting the Network Configurator to the Network
226
Downloading Tag Data Link Parameters
232
Uploading Tag Data Link Parameters
235
Verifying Tag Data Link Parameters
238
Starting and Stopping Tag Data Links
242
Clearing the Device Parameters
245
Saving the Network Configuration File
247
Reading a Network Configuration File
248
Checking Connections
250
Changing Devices
251
Displaying Device Status
252
Ladder Programming for Tag Data Links
254
Status Flags Related to Tag Data Links
258
Tag Data Links with Other Models
260
CIP Message Communications
263
Overview of the CIP Message Communications Service
265
Message Communications Service Specifications
265
CIP Message Communications Client Function
266
Overview
266
CIP Communications Instructions
266
Using CIP Communications Instructions
267
Route Path
268
Route Path
269
Request Path (IOI)
278
Service Data and Response Data
282
Sample Programming for CIP Connectionless (UCMM) Message Communications
284
Sample Programming for CIP Connection (Class 3) Message Communications
289
Sample Programming for CIP Connection (Class 3) Message Com- Munications
289
Operation Timing
296
Response Codes
297
CIP Communication Server Function
301
CIP Message Structure for Accessing CIP Objects
301
CIP Message Structure for Accessing Variables
302
Specifying Request Path
303
Examples of CIP Object Specifications
303
Examples of Variable Specifications
304
Logical Segment
304
Data Segment
304
Specifying Variable Names in Request Paths
305
CIP Object Services
309
CIP Objects Sent to the Built-In Ethernet/Ip Port
309
Identity Object (Class ID: 01 Hex)
309
NX Configuration Object (Class ID: 74 Hex)
312
TCP/IP Interface Object (Class ID: F5 Hex)
334
Ethernet Link Object (Class ID: F6 Hex)
337
Controller Object (Class ID: C4 Hex)
343
Read and Write Services for Variables
345
Read Service for Variables
345
Write Service for Variables
346
Variable Data Types
349
Data Type Codes
349
Common Format
349
Elementary Data Types
350
Derived Data Types
351
Socket Service
355
Basic Knowledge on Socket Communications
356
Sockets
356
Port Numbers for Socket Services
356
Basic Knowledge on Protocols
357
Differences between TCP and UDP
357
Fragmenting of Send Data
358
Data Receive Processing
360
Broadcasting
363
Overview of Built-In Ethernet/Ip Port Socket Services
364
Overview
364
Procedure
364
Settings Required for the Socket Services
365
Socket Service Instructions
366
Details on Using the Socket Services
367
Using the Socket Services
367
Procedure to Use Socket Services
367
Timing Chart for Output Variables Used in Communications
369
UDP Sample Programming
370
TCP Sample Programming
376
Precautions in Using Socket Services
383
Precautions for UDP and TCP Socket Services
383
Precautions for UDP Socket Services
383
Precautions for TCP Socket Services
383
TCP/UDP Message Service
385
Outline of TCP/UDP Message Service
385
Specifications of TCP/UDP Message Service
385
Settings Required for TCP/UDP Message Service
385
Command Format Specifications
385
Modbus TCP Master Function
389
Overview of Modbus TCP Master Function
390
10-2 Modbus TCP Master Function Details
391
Modbus TCP Instruction Type
391
Modbus TCP Instruction Function
391
Modbus TCP Master Function Procedure
392
11-1 Overview and Specifications
396
Overview
396
Specifications
396
11-2 FTP Server Function Details
398
Supported Files
398
Connecting to the FTP Server
398
11-3 Using the FTP Server Function
401
Procedure
401
List of Settings Required for the FTP Server Function
401
11-4 FTP Server Application Example
403
11-5 Using FTP Commands
405
Table of Commands
405
Using the Commands
405
11-6 Using SD Memory Card Operations
412
SD Memory Card Types
412
File Types
413
Initializing SD Memory Cards
414
Format of Variable Data
414
Application Example from a Host Computer
415
FTP Client
418
12-1 Using the FTP Client to Transfer Files
418
Transferring Files
418
Connectable FTP Servers
418
File Transfer Options
419
Other Functions
420
FTP Client Communications Instructions
421
Functions of the FTP Client Communications Instructions
421
Restrictions on the FTP Client Communications Instructions
424
12-3 FTP Client Application Example
425
Automatic Clock Adjustment
431
Overview
432
Specifications
432
Procedure to Use the Automatic Clock Adjustment Function
434
Procedure
434
Settings Required for Automatic Clock Adjustment
434
SNMP Agent
435
Overview
436
14-1 SNMP Agent
436
Specifications
437
SNMP Messages
437
MIB Specifications
438
14-2 Procedure to Use the SNMP Agent
455
Procedures
455
Settings Required for the SNMP Agent
455
15-1 Communications System
458
Tag Data Link Communications Method
458
Calculating the Number of Connections
460
Packet Interval (RPI) Accuracy
461
15-2 Adjusting the Communications Load
463
Checking Bandwidth Usage for Tag Data Links
464
Tag Data Link Bandwidth Usage and RPI
465
Adjusting Device Bandwidth Usage
466
Changing the RPI
467
RPI Setting Examples
472
15-3 I/O Response Time in Tag Data Links
478
Timing of Data Transmissions
478
Built-In Ethernet/Ip Port Data Processing Time
479
Relationship between Task Periods and Packet Intervals (Rpis)
481
Maximum Tag Data Link I/O Response Time
482
15-4 Message Service Transmission Delay
485
Troubleshooting
487
Overview of Troubleshooting
488
Checking Status with the Network Configurator
489
The Network Configurator's Device Monitor Function
489
Connection Status Codes and Troubleshooting
497
Appendices
505
Functional Comparison of Ethernet/Ip Ports on NJ/NX-Series CPU Units and Other Series
506
Use the Sysmac Studio to Set the Tag Data Links (Ethernet/Ip Connections
507
A-2-1 Overview of the Tag Data Links (Ethernet/Ip Connections) Settings with the Sysmac Studio
507
Overview of the Tag Data Links (Ethernet/Ip Connections) Settings with the Sysmac Studio
507
A-2-2 Procedure to Make the Ethernet/Ip Connection Settings with the Sysmac Studio
508
A-2-3 Ethernet/Ip Connection Settings
509
A-2-4 Making the Ethernet/Ip Connection Settings with the Sysmac Studio
513
A-2-5 Checking Communications Status with the Sysmac Studio and Troubleshooting
534
A-2-5 Checking Communications Status with the Sysmac Studio and Trou- Bleshooting
534
Troubleshooting
534
A-2-6 Troubleshooting
538
A-3 EDS File Management
543
A-3-1 Installing EDS Files
543
Installing EDS Files
543
A-3-2 Creating EDS Files
544
A-3-3 Deleting EDS Files
544
Saving EDS Files
545
Searching EDS Files
545
A-3-6 Displaying EDS File Properties
546
A-3-7 Creating EDS Index Files
546
Precautions for Using the Network Configurator on Windows XP, Windows Vis- Ta, or Windows 7 or Higher
547
Precautions for Using the Network Configurator on Windows XP, Windows Vista, or Windows 7 or Higher
547
Changing Windows Firewall Settings
547
A-5 Variable Memory Allocation Methods
550
A-5-1 Variable Memory Allocation Rules
550
A-5-2 Important Case Examples
559
Precautions When Accessing External Outputs in CPU Units
563
A-7 TCP State Transitions
564
Example of NX Unit Setting Using NX Configuration Object Service
566
A-8-1 Changing the Unit Operation Settings for Singe NX Unit
566
A-8-2 Changing the Unit Operation Settings for Multiple NX Units
567
A-8-3 Initializing the Unit Operation Settings for Singe NX Unit
567
A-9 Version Information
568
4
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Omron NX701-1720 Specifications
General
Brand
Omron
Model
NX701-1720
Category
Controller
Language
English
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