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13 SNMP Agent

NJ/NX-series CPU Unit Built-in EtherNet/IP Port User’s Manual (W506)

13-1 SNMP Agent

13-1-4 MIB Specifications

snmpEnableAuthen

Traps

(30) RW

Determines if the agent generates verification

failed traps.

Enabled (1)

Disabled (2)

Sup-

ported.

According to the

standard.

Name

Standard [(identi-

fier) attribute]

Main Page

Introduction3
Relevant Manuals4
Manual Structure6
Sections in this Manual9
- Table of Contents10
Terms and Conditions Agreement16
Safety Precautions18
Precautions for Safe Use19
Precautions for Correct Use20
Regulations and Standards21
Versions23
Related Manuals27
Revision History29
- Introduction31
1-1 Introduction32
- Ethernet/Ip Features32
- Introduction32
- Features of Built-In Ethernet/Ip Port on NJ/NX-Series CPU Units33
System Configuration and Configuration Devices35
- Devices Required to Construct a Network35
- Support Software Required to Construct a Network36
Built-In Ethernet/Ip Port37
- Specifications37
- Part Names and Functions41
Introduction to Communications Services45
- CIP (Common Industrial Protocol) Communications Services45
- IP Routing47
- BOOTP Client48
- FTP Server48
- FTP Client49
- Automatic Clock Adjustment49
- Socket Service50
- Specifying Host Names50
- SNMP Agent51
Ethernet/Ip Communications Procedures52
- Outline52
  - Installing Ethernet Networks55
Section 2 Installing Ethernet Networks56
Selecting the Network Devices56
- Recommended Network Devices56
- Ethernet Switch Types57
- Ethernet Switch Functions57
- Precautions for Ethernet Switch Selection58
Network Installation60
- Basic Installation Precautions60
- Recommended Network Devices60
- Precautions When Laying Twisted-Pair Cable60
- Precautions When Installing and Connecting Ethernet Switches64
Connecting to the Network65
- Ethernet Connectors65
- Connecting the Cable66
System-Defined Variables Related to the Built-In Ethernet/Ip Port67
System-Defined Variables69
Specifications for Individual System-Defined Variables99
- Determining IP Addresses127
IP Addresses128
- IP Address Configuration128
- Allocating IP Addresses129
- Subnet Masks129
- Cidr130
Built-In Ethernet/Ip Port IP Address Settings131
- Determining IP Addresses131
- Setting IP Addresses132
- Online Connection135
- Checking the Current IP Address138
Private and Global Addresses139
- Using a Private Address for the Built-In Ethernet/Ip Port140
- Using a Global Address for the Built-In Ethernet/Ip Port141
  - Sysmac Studio Settings for the Built-In Ethernet/Ip Port143
Section 5 Sysmac Studio Settings for the Built-In Ethernet/Ip Port144
TCP/IP Settings Display144
Link Settings Display148
FTP Display149
NTP Settings Display150
SNMP Settings Display152
SNMP Trap Settings Display154
- Testing Communications157
6-1 Testing Communications158
- PING Command158
- Using the PING Command158
- Host Computer Operation159
Section 7 Tag Data Link Functions162
Introduction to Tag Data Links162
- Tag Data Links162
- Data Link Data Areas163
- Tag Data Link Functions and Specifications166
- Overview of Operation167
- Starting and Stopping Tag Data Links169
- Controller Status170
- Controller Status171
- Concurrency of Tag Data Link Data173
Setting Tag Data Links178
- Starting the Network Configurator178
- Tag Data Link Setting Procedure180
- Registering Devices181
- Creating Tags and Tag Sets183
- Connection Settings195
- Creating Connections Using the Wizard205
- Creating Connections by Device Dragging and Dropping208
- Connecting the Network Configurator to the Network211
- Downloading Tag Data Link Parameters218
- Uploading Tag Data Link Parameters221
- Verifying the Tag Data Links224
- Starting and Stopping Tag Data Links228
- Clearing the Device Parameters230
- Saving the Network Configuration File232
- Reading a Network Configuration File233
- Checking Connections235
- Changing Devices236
- Displaying Device Status237
Ladder Programming for Tag Data Links238
- Status Flags Related to Tag Data Links243
Tag Data Links with Other Models244
- CIP Message Communications247
Section 8 CIP Message Communications249
Overview of the CIP Message Communications Service249
- Message Communications Service Specifications249
CIP Messaging Communications Client Function250
- Overview250
- CIP Communications Instructions251
- Using CIP Communications Instructions252
- Route Path253
- Request Path (IOI)263
- Service Data and Response Data267
- Sample Programming for CIP Connectionless (UCMM) Message Communications268
- Sample Programming for CIP Connection (Class 3) Message Communications273
- Operation Timing280
- Response Codes281
CIP Communication Server Functions285
- CIP Message Structure for Accessing CIP Objects286
- CIP Message Structure for Accessing Variables286
Specifying Request Path287
- Examples of CIP Object Specifications287
- Examples of Variable Specifications287
- Logical Segment288
- Data Segment289
- Specifying Variable Names in Request Paths290
CIP Object Services293
- CIP Objects Sent to the Built-In Ethernet/Ip Port293
- Identity Object (Class ID: 01 Hex)293
- TCP/IP Interface Object (Class ID: F5 Hex)296
- Ethernet Link Object (Class ID: F6 Hex)299
- Controller Object (Class ID: C4 Hex)304
Read and Write Services for Variables305
- Read Services for Variables305
- Write Service for Variables307
Variable Data Types309
- Data Type Codes309
- Common Format310
- Elementary Data Types310
- Derived Data Types312
Section 9 Socket Service316
Basic Knowledge on Socket Communications316
- Sockets316
- Port Numbers for Socket Services316
Basic Knowledge on Protocols317
- Differences between TCP and UDP317
- Fragmenting of Send Data319
- Data Reception Processing321
- Broadcasting324
Overview of Built-In Ethernet/Ip Port Socket Services325
- Overview325
- Procedure325
Settings Required for the Socket Services326
Socket Service Instructions327
Details on Using the Socket Services328
- Using the Socket Services328
- Procedure to Use Socket Services329
- Timing Chart for Output Variables Used in Communications331
- UDP Sample Programming333
- TCP Sample Programming338
Precautions in Using Socket Services344
- Precautions for UDP and TCP Socket Services344
- Precautions for UDP Socket Services344
- Precautions for TCP Socket Services344
  - FTP Server347
Section 10 FTP Server348
Overview and Specifications348
- Overview348
- Specifications348
FTP Server Function Details349
- Supported Files349
- Connecting to the FTP Server349
Using the FTP Server Function352
- Procedure352
- List of Settings Required for the FTP Server Function352
FTP Server Application Example353
Using FTP Commands355
- Table of Commands355
- Using the Commands356
- Using SD Memory Card Operations362
- Application Example from a Host Computer365
Section 11 FTP Client368
- FTP Client368
- Using the FTP Client to Transfer Files368
- FTP Client Communications Instructions371
  - Functions of the FTP Client Communications Instructions371
  - Restrictions on the FTP Client Communications Instructions373
- FTP Client Application Example375
Automatic Clock Adjustment381
- Overview382
- Automatic Clock Adjustment382
- Specifications383
- Procedure to Use the Automatic Clock Adjustment Function384
  - Procedure384
  - Settings Required for Automatic Clock Adjustment384
SNMP Agent386
- Overview386
- Specifications387
- SNMP Messages387
- MIB Specifications388
- Procedure to Use the SNMP Agent406
  - Procedures406
  - Settings Required for the SNMP Agent406
Communications Performance and Communications Load409
- Communications System410
- Adjusting the Communications Load414
I/O Response Time in Tag Data Links430
- Timing of Data Transmissions430
- Built-In Ethernet/Ip Port Data Processing Time431
- Relationship between Task Periods and Packet Intervals (Rpis)433
- Maximum Tag Data Link I/O Response Time434
Message Service Transmission Delay436
- Troubleshooting439
Overview of Errors440
- How to Check for Errors441
- Errors Related to the Ethernet/Ip Function Module447
Troubleshooting451
- Error Table451
- Error Table457
- Error Descriptions457
- Error Descriptions458
- Troubleshooting489
Checking Status with the Network Configurator490
- The Network Configurator's Device Monitor Function490
- Connection Status Codes and Troubleshooting497
Appendices503
Functional Comparison of Ethernet/Ip Ports on NJ/NX-Series CPU Units and Other Series504
- Functional Comparison of Ethernet/Ip Ports on NJ/NX- Series CPU Units and Other Series504
Use the Sysmac Studio to Set the Tag Data Links (Ethernet/Ip Connections505
- A-2-1 Overview of the Tag Data Links (Ethernet/Ip Connections) Settings with the Sysmac Studio505
- Overview of the Tag Data Links (Ethernet/Ip Connections) Settings with the Sysmac Studio505
- A-2-2 Procedure to Make the Ethernet/Ip Connection Settings with the Sysmac Studio507
- Procedure to Make the Ethernet/Ip Connection Settings with the Sysmac Studio507
- Ethernet/Ip Connection Settings507
- A-2-3 Ethernet/Ip Connection Settings508
- A-2-4 Making the Ethernet/Ip Connection Settings with the Sysmac Studio513
- Making the Ethernet/Ip Connection Settings with the Sysmac Studio513
- A-2-5 Checking Communications Status with the Sysmac Studio and Troubleshooting536
- Checking Communications Status with the Sysmac Studio and Troubleshooting536
- A-2-6 Troubleshooting540
- Troubleshooting540
EDS File Management546
- A-3-1 Installing EDS Files547
- A-3-2 Creating EDS Files547
- Installing EDS Files547
- Creating EDS Files547
- A-3-3 Deleting EDS Files548
- A-3-4 Saving EDS Files548
- Deleting EDS Files548
- Saving EDS Files548
- A-3-5 Searching EDS Files549
- Searching EDS Files549
- A-3-6 Displaying EDS File Properties550
- A-3-7 Creating EDS Index Files550
- Displaying EDS File Properties550
- Creating EDS Index Files550
Precautions for Using the Network Configurator on Windows XP, Windows Vista, or Windows 7551
- A-4-1 Changing Windows Firewall Settings551
- Changing Windows Firewall Settings551
Variable Memory Allocation Methods554
- A-5-1 Variable Memory Allocation Rules554
- A-5-2 Important Case Examples562
- Important Case Examples562
Precautions When Accessing External Outputs in CPU Units566
TCP State Transitions567
Version Information569

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