Ethernet Units Construction of Networks
 Revised January
Page
  Omron
Omron Product References
 Unit Versions
Notation of Unit Versions on Products
Confirming Unit Versions with Support Software
 Lowing table
Unit Version Notation
 Viii
 Table of Contents
 Ethernet Unit Memory Allocations
 Index 249 Revision History 257
 Xii
 About this Manual
Section Contents
 Relevant Manuals
Manual Model Name Contents Number
 CXONE-AL@@C-E
WS02-CXPC1-EV6
CQM1H-PRO01-E
CQM1-PRO01-E
 Xvi
 Read and Understand this Manual
 Application Considerations
 Disclaimers
Page
 Precautions
 General Precautions
Safety Precautions
Intended Audience
 Application Precautions
Operating Environment Precautions
 Application Precautions
 Applicable Directives
Conformance to EC Directives
Concepts
EMC Directives
 Low Voltage Directive
 Section
 Connecting the CX-Programmer to PLCs Online via Ethernet
Overall System Configuration Example
Ethernet Unit Function Guide
Determining the Objectives
 Section
 Reference
Exchanging Data between Omron PLCs using Ethernet
 Operation
 Operation Use the mail receive function
Receiving E-mail Data and Files at the PLC
 Ulating control bits or the CMND490 instruction
Ladder program
 Simplified Socket Services
Features
Compatibility and Speed
Various Protocols Available on Ethernet
 Additional E-mail Functions
Improved Fins Message Communications
 Specification of Servers by Host Name
Automatic PLC Internal Clock Adjustment
Use Web Function to Read Ethernet Unit Settings and Status
Network Connection with Controller Link
 System Configuration
System Configuration
Setup Area and Related Peripheral Devices
Devices Required for Constructing a Network
 Routing Table Area
 General Specifications
Specifications
Specifications
CS-series Ethernet Unit
 CJ-series Ethernet Unit
 Dimensions
 Software Configuration
 PLCs, mode changes, and file memory operations
Fins Communications Service
Overview of Communications Functions
Basic Functions
 Socket Services
Upgraded Functions
Manipulating Dedicated Control Bits
 Executing CMND490 Improved TCP Socket Interface
 Mail Send Function
FTP Server Function
 Mail Receive Function
 Specifying Servers by Host Name
Automatic Clock Adjustment Function
 Component Names
Nomenclature and Functions
CS-series Ethernet Units
CS1W-ETN21 100Base-TX
 CJ-series Ethernet Units
CJ1W-ETN21 100Base-TX
Front
 Indicators
IP Address
Subnet Mask
 Indicator Color Status Meaning
 Comparison with Previous Models
Previous models New models
CS1W-ETN11 CS1W-ETN21 CJ1W-ETN11 CJ1W-ETN21
 Upgrade Details
Unit Version Upgrade Information
Unit Version
FINS/UDP
 Installation and Initial Setup
 Tables
Overview of Startup Procedure
 Setting the Unit Number
Switch Settings
Setting the Node Address
Setting range
 CJ-series Ethernet Units
Unit
 Mounting to a PLC
Mounting to a CS-series PLC
Mounting to a CJ-series PLC
 Basic Installation Precautions
Network Installation
 Precautions on Laying Twisted-pair Cable
Precautions
Basic Precautions
Recommended Products
 Cascade Connections
Connect the hubs using special cables or special racks
Stack Connections
Hubs per stack
 Mounting Location
Using Contact Outputs Common to All Units
Cable Location
Hub Measures
 Ethernet Connectors
Connecting to the Network
Connecting the Cable
Connector pin Signal name Abbr Signal direction
 Creating I/O Tables
Connecting Programming Devices to the PLC
1 I/O Table Overview
Devices
 Connecting Programming Devices Programming Console
Procedure for Creating I/O Tables
CX-Programmer Version 3.20 or Higher and CX-Integrator
Model number Key Sheet required Recommended cable required
 Unit Setup Procedure
 Section
 Using the Web Browser Setting Function
 3.. . Connect to the Ethernet Unit from the Web browser
 Section
 IP Address
Basic Settings
 Unit Setup
Default Setting
Operation status
+98 +99
 Setting Contents
Broadcast Settings
Subnet Mask
Class Subnet mask
 Settings
TCP/IP Keep-alive Setting
Baud Rate
Set the baud rate
 Socket Services
Unit Setup for Particular Applications
CX-Programmer tab Settings
CX-Programmer tab Setting Setup Keep-alive
 Mail Reception
Automatic Clock Adjustment
Smtp
POP
 CX-Programmer Setting item Tab
Ping Command
Communications Test
Ethernet Unit
 Host Computer
Converting from Previous Models
Method
Application Examples
 Specifications in ETN11 mode
 Checking the CPU Bus Unit System Setup Area Format
 Bit address Format classification
Changing the CPU Bus Unit System Setup Area Format
 Using the CX-Programmers Unit Setup
 Node address Indicators
If an Error Occurred in the Mode Change
Not lit
Not lit Lit
 Converting from ETN21 Mode to ETN11 Mode
 Section
 CX-Programmer Unit Setup
 Contents Default
Setup
 Confidential
 FINS/TCP
FINS/TCP Connection Setup
 Tion of Applications
Following settings can be made for each connection number
 DNS
DNS Server Setup
 Smtp
Smtp Server Setup
 POP
POP Server Setup
 Mail Address
Destination Mail Address Setup
 Send Mail
 CPU
ETN
 Receive Mail
Posting Mail Address Protection Setting
 Receive Command Setting
Receive Attached File Setting
 Sntp Server Setup
Auto Adjust Time
 Http Server Setup
For details, refer to Automatic Clock Adjustment Function
Http
 Section
 Ethernet Unit Memory Allocations
 CIO Area Allocations
 Mail Send Switch Bit
Socket Force-close Switch Bit
Automatic Clock Adjustment Switch Bit
Unit Control Bits CPU Unit to Ethernet Unit
 Status of UDP/TCP Sockets 1 to 8 Ethernet Unit to CPU Unit
Opening Flag Bit
Bit Flag Status Manipulated Unit operation Reference
 Receiving Flag Bit
Results Storage Error Flag Bit
Sending Flag Bit
Closing Flag Bit
 Accessing Memory Sending Mail Bit
Service Status Ethernet Unit to CPU Unit
FTP Status Bit
Bit Name Status Manipulated Unit operation Reference
 System Setup Format Bits 8 to
Accessing Memory Receiving Mail Bit
Error Status Ethernet Unit
To CPU Unit
 Sntp server error Unit
 FINS/TCP Connection Status
Bit Switch Status Manipulated Unit operation Reference
 These bits show the status of FINS/TCP connections
DM Area Allocations
 Send Mail Status 1, 2 Ethernet Unit to CPU Unit
Send Mail Status
Bits Status
 +1 to m+8 Number of Bytes Received 0000 to 07C0 hex
 Application Setting device Setting area Remarks
IP Address Display/Setting Area
 Auxiliary Area Data
Words Bits Name Function Settings
Area of PLC memory that are related to the Ethernet Unit
Read-only Bits/Words
 Bits Name Description Settings
Read/Write Bits User Settings
 Section
 Determining IP Addresses
 IP Addresses
IP Address Configuration
Allocating IP Addresses
Class Number of networks Number of hosts
 Ethernet Unit IP Address Settings
Subnet Masks
Class Subnet Mask value
 IP Addresses in Fins Communications
Specifying Nodes in Fins Communications Services
Allocating Addresses to Ethernet Units
Ethernet Unit Fins Message Reception
 IP Address Table Method and Combined Method
Automatic Generation Method Dynamic/Static
Remote Fins node Remote IP address Connection Remote port
Example Number Example
 FINS/UDP Communications Methods
Pairing Addresses in Internal Tables
Automatic Generation Dynamic
Automatic Generation Static
 Combined Method
Example
 Prohibiting Dynamically Changing Remote IP Addresses
 Using the ETN11- compatible Mode
 FINS/TCP Communications Method
Pairing in the FINS/TCP Method
Internal Processing
Local Device Is FINS/TCP Client
 Setting FINS/TCP Connections
Local Device Is Server
Local Device Is a Client
 Application Examples
Automatic IP Address Setting by Dhcp Service
Responding to Computers with Changed IP Addresses
FINS/UDP Communications Method
 Models Supporting Automatic Generation Method Dynamic
Related Products and Communications/Setting Methods
 Models Supporting Automatic Generation Method Static
Models Supporting IP Address Table Method
Models that Can Use the Combined Method
 Private and Global Addresses
Private and Global Addresses
FINS/UDP and FINS/TCP
 108
 Using a Private Address for the Ethernet Unit
Conditions for Using Communications Applications
Fins Communications Service
 Transferring Files
Automatic Clock Adjustment
Sending Mail
Receiving Mail
 Ethernet Unit with a Global Address
 UDP/TCP port number default 53 to be used for DNS cannot be
Considerations, on using POP before Smtp
Mail via the intranet, even if it as a private address
PLC can receive the Ethernet Units IP address from the POP3
 Fins Communications
 Using the FINS/UDP and FINS/TCP Methods
Overview of Fins Communications
Communications On an Ethernet Network
 Fins Communications Service Specifications for Ethernet
 FINS/UDP Features
FINS/UDP Method
Overview
 UDP Port Numbers for
Procedure for Using FINS/UDP
 FINS/TCP Method
FINS/TCP Features
 FINS/TCP Connection Numbers
TCP Port Number for
 FINS/TCP Connection Status Word n+23
Procedure
Communications
Internal table
 Procedure for Using FINS/TCP
Setup Tab
FINS/TCP Tab
 Routing Table Overview
Creating Routing Tables
Local Network Table
Relay Network Table
 Connecting and Using a Peripheral Device for the PLC
 Example 2 Three Interconnected Networks
Routing Table Setting Examples
 Example 3 All Nodes
 System Configuration Example 1 No Routing
Using Fins Applications
Settings for target PLC PLC1s Change PLC Dialog Box
CX-Programmer CX-Server
 CX-Programmers Unit Setup Setup Tab
 128
 Routing Table Settings and Transfer to Each PLC
System Configuration Example 2 Using Routing Tables
Settings for target PLC PLC3s Change PLC Dialog Box
PLC3
 Etnunit Driver Setup
Overview of Setup Methods Starting FinsGateway Settings
FinsGateway
Local Network Table
 Communication Unit Tab
Network Tab
 132
 133
 Conditions
Starting FinsGateway Etnunit Service
 CX-Programmers Unit Setup
Communications Specifications
Not set. All defaults are used
Communicating between Omron PLCs
 Area Range
PLC Communications Data Areas
 Using SEND090, RECV098, and CMND490
SEND090
Ning word D at the remote destination node node address N
 RECV098
 Hex 2 s Destination node number N To FE Hex
CMND490
 Usage Command Name Function Code
Commands Addressed to CS/CJ-series CPU Units
 Writing Programs
 Flag name Address Contents Word Bits
 Word Contents
Communications Port Error Flag and Completion Codes CMND490
Communications Port Completion Codes
Timing of Communications Flag Changes
 144
 Program Example
 146
 CPU Bus Unit Service Cycle Local Node
Transmission Delays
CPU execution mode Processing time considerations
SEND090
 Transmission Delay
CPU Bus Unit Service Processing Time Local Node
CPU Bus Unit Service Cycle Remote Node
Transmission Processing Time
 CPU processing mode Processing time considerations Settings
CPU Bus Unit Service Processing Time Remote Node
Example Calculations
Calculation
 RECV098
Equation illustrated in the following diagram
 Transmission Delay Command
Transmission processing time command
Reception processing time command
Response
 152
 Precautions on High Traffic in Fins Communications
Conditions for High Traffic
Calculations
 Avoiding Errors due to High Traffic
 Fins Commands Addressed to Ethernet Units
 Command Code List
Command Codes and Response Codes
Response Code List
Command code Name
 Format
Socket Applications
 Parameters
Communications Type
CIO
 Reset
Command/Response Reference
 IP Address Conversion Method Setting
Broadcast Address Setting
FINS/UDP Port Number Setting
Controller Data Read
 Controller Status Read
 IP Address Error
Error Flags Response
IP Address Table Error
IP Router Table Error
 Eeprom Error
Internode Echo Test
Runs the echo test between specified nodes
 Test Data Command, Response
Command Block Response Block Parameters
Broadcast Test Results Read
Broadcast Data Send
 Test Data Command
Error LOG Read
Reads the error log
Bytes can be specified
 Error Log Data Response
Error LOG Clear
Error Code, Detailed Information
Minute, Second, Day, Hour, Year, Month
 UDP Open Request
Results Storage Format
Requests processing to open a socket
 UDP Receive Request
UDP Socket Number Command Results Storage Area Command
Requests that data be sent from a UDP socket
Enobufs
 UDP Send Request
Results Storage Area Response Codes
Requests that data be received by a UDP socket
 170
 Requests processing to close a socket
UDP Close Request
 Response code Description 0000 Normal
Passive TCP Open Request
 Remote IP address Remote TCP port Description
 Active TCP Open Request
Econnreset
Econnaborted
Tunreach
 175
 Drnotavail
Eacces
 Requests that data be sent from a TCP socket
TCP Receive Request
 TCP Send Request
Requests that data be received at a TCP socket
Etimedout
 Results Storage Format Parameters
 TCP Close Request
Enetunreach
Ehostunreach
 Destination IP Address Command Timeout Value Command
Ping
Response Block Parameters
 Ping Command
FINS/TCP Connection Remote Node Change Request
Remarks
 FINS/TCP Connection Status Read
FIFINS/TCP Connection No. Command Response
2232
Reads the FINS/TCP connection status
 IP Address Table Write
Number of Records Command
Remote TCP Port Number Response TCP Transitions Response
Writes the IP address table
 IP Address Table Records Command
Precautions Response Codes
IP Address Write
Fins Node Address
 Reads the IP address table
IP Address Table Read
 Reads the IP router table
IP Router Table Read
 Router IP Address
IP Network Address
 Reads the Ethernet Unit protocol status
Protocol Status Read
IP Status Response
Value
 Type number Description
 Connection Information 60 Bytes
 Receive Information
Send Information 40 Bytes
 Memory Status Read
 Memory Status Response
 Socket Status Read
 TCP Transitions 4 bytes
Address Information Read
Reads Fins node addresses and IP addresses
Number of Addresses Response
 Node address set on the Ethernet Unit hexadecimal
IP Address Read
IP address set on the Ethernet Unit hexadecimal
Fins Node Address Response
 Subnet Mask Response
 Troubleshooting
 Probably cause Correction
Troubleshooting with Indicators
 Word = CIO 1500 + 25 x unit number +18
Error Status
 Error Log
Logged Errors
Following errors are recorded in the error log
 Error Log Error Codes
Error Log Table
Error Log Location Fins Commands for Error Logs
 204
 205
 206
 207
 208
 Startup Problems
Troubleshooting Procedures
 Is the control data For the instruction set Incorrectly?
Fins Communications Problems SEND090/RECV098/ CMND490
 General Problems
UDP Socket Problems
Problems
Opening and Closing
 Read Controller Status
Reception Problems
 Is send Y processing not Finishing?
Transmission Problems
 General Problems
TCP Socket Problems
 Opening Problems
Closing Problems
Refer to General Problems on
 216
 Connection Problems
FTP Service Problems
 END
File Transfer Problems
 Status Read
Network Connection Problems
 A R T
Mail Not being Sent
 A R T
Mail Not being Received
 Flashing? Status bit ON?
Clock Not being Automatically Adjusted
 Main code Sub-code Check point Probable cause Remedy
Troubleshooting with Response Codes
Controller
Status Read
 224
 225
 226
 Results Storage Area Response Codes
Network Relay Errors
Codes stored in the Results Storage Area
Devices
 Enotconn
Eisconn
Ealready
Emsgsize
 Response Unix error Description Probable remedy Code
 230
 Parameter Value Description
Ethernet Network Parameters
Page
 Appendix B
Buffer Configuration
 Network Memory
 Status Meaning
TCP Status Transitions
Page
 Space
Ascii Characters
Page
 Settings after Replacing an Ethernet Unit
Maintenance
Settings after Replacing a CPU
Replacing an Ethernet Unit
Page
 Inspections
Items
Tools Required for Inspection
Page
 Unit Setup Functions
Ethernet Unit Web Function
Web Function List
 POP
Appendix G
 Using the Web Function Setting Password
Web Function Password
Status Monitor
Menu item Corresponding CX-Programmer function
 Appendix G
 247
 248
 Numerics
 Index
 251
 252
 253
 254
 255
 256
 Cat. No. W420-E1-04 Revision code
Revision History
 Revision History
 Regional Headquarters
Omron Corporation Control Devices Division H.Q
 Authorized Distributor