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Omron CS1W-ETN21 operation manual Transmission Problems, Is send Y processing not Finishing?

Models: CS1W-ETN21

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Troubleshooting Procedures

Section 8-4

Transmission Problems

Transmission Problems occurred.

Is send Y processing not

finishing?

N

Return to the procedure for general problems.

Read protocol status using the FINS command READ PROTOCOL STATUS.

Have any failures

to reach the destination Y been counted in the ICMP

status?

N

Read controller status using the FINS command READ CONTROLLER STATUS.

Have any send	Y
errors occurred?

N

Check the reception status on the remote node. Return to the procedure for general problems.

The UDP socket specified by the destination UDP port number in the send parameters is not opening at the remote node.

There may be too much traffic on the network and UDP packets may be getting corrupted. Use TCP sockets or adjust the network to reduce excessive traffic.

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Omron CS1W-ETN21 operation manual Transmission Problems, Is send Y processing not Finishing?

Contents

Ethernet Units Construction of Networks Revised January Page Omron Product References  OmronNotation of Unit Versions on Products Unit VersionsConfirming Unit Versions with Support Software Unit Version Notation Lowing tableViii Table of Contents Ethernet Unit Memory Allocations Index 249 Revision History 257 Xii Section Contents About this ManualManual Model Name Contents Number Relevant ManualsCQM1H-PRO01-E WS02-CXPC1-EV6CXONE-AL@@C-E CQM1-PRO01-EXvi Read and Understand this Manual Application Considerations Disclaimers Page Precautions Safety Precautions General PrecautionsIntended Audience Operating Environment Precautions Application PrecautionsApplication Precautions Concepts Conformance to EC DirectivesApplicable Directives EMC DirectivesLow Voltage Directive Section Ethernet Unit Function Guide Overall System Configuration ExampleConnecting the CX-Programmer to PLCs Online via Ethernet Determining the ObjectivesSection Exchanging Data between Omron PLCs using Ethernet ReferenceOperation Receiving E-mail Data and Files at the PLC Operation Use the mail receive functionLadder program Ulating control bits or the CMND490 instructionCompatibility and Speed FeaturesSimplified Socket Services Various Protocols Available on EthernetImproved Fins Message Communications Additional E-mail FunctionsUse Web Function to Read Ethernet Unit Settings and Status Automatic PLC Internal Clock AdjustmentSpecification of Servers by Host Name Network Connection with Controller LinkSetup Area and Related Peripheral Devices System ConfigurationSystem Configuration Devices Required for Constructing a NetworkRouting Table Area Specifications SpecificationsGeneral Specifications CS-series Ethernet UnitCJ-series Ethernet Unit Dimensions Software Configuration Overview of Communications Functions Fins Communications ServicePLCs, mode changes, and file memory operations Basic FunctionsUpgraded Functions Socket ServicesManipulating Dedicated Control Bits Executing CMND490 Improved TCP Socket Interface FTP Server Function Mail Send FunctionMail Receive Function Automatic Clock Adjustment Function Specifying Servers by Host NameCS-series Ethernet Units Nomenclature and FunctionsComponent Names CS1W-ETN21 100Base-TXCJ1W-ETN21 100Base-TX CJ-series Ethernet UnitsFront IP Address IndicatorsSubnet Mask Indicator Color Status Meaning Previous models New models Comparison with Previous ModelsCS1W-ETN11 CS1W-ETN21 CJ1W-ETN11 CJ1W-ETN21 Unit Version Unit Version Upgrade InformationUpgrade Details FINS/UDPInstallation and Initial Setup Overview of Startup Procedure TablesSetting the Node Address Switch SettingsSetting the Unit Number Setting rangeUnit CJ-series Ethernet UnitsMounting to a CS-series PLC Mounting to a PLCMounting to a CJ-series PLC Network Installation Basic Installation PrecautionsBasic Precautions PrecautionsPrecautions on Laying Twisted-pair Cable Recommended ProductsStack Connections Connect the hubs using special cables or special racksCascade Connections Hubs per stackCable Location Using Contact Outputs Common to All UnitsMounting Location Hub MeasuresConnecting the Cable Connecting to the NetworkEthernet Connectors Connector pin Signal name Abbr Signal direction1 I/O Table Overview Connecting Programming Devices to the PLCCreating I/O Tables DevicesCX-Programmer Version 3.20 or Higher and CX-Integrator Procedure for Creating I/O TablesConnecting Programming Devices Programming Console Model number Key Sheet required Recommended cable requiredUnit Setup Procedure Section Using the Web Browser Setting Function 3.. . Connect to the Ethernet Unit from the Web browser Section Basic Settings IP AddressOperation status Default SettingUnit Setup +98 +99Subnet Mask Broadcast SettingsSetting Contents Class Subnet maskBaud Rate TCP/IP Keep-alive SettingSettings Set the baud rateCX-Programmer tab Settings Unit Setup for Particular ApplicationsSocket Services CX-Programmer tab Setting Setup Keep-aliveSmtp Automatic Clock AdjustmentMail Reception POPCommunications Test Ping CommandCX-Programmer Setting item Tab Ethernet UnitMethod Converting from Previous ModelsHost Computer Application ExamplesSpecifications in ETN11 mode Checking the CPU Bus Unit System Setup Area Format Changing the CPU Bus Unit System Setup Area Format Bit address Format classificationUsing the CX-Programmers Unit Setup Not lit If an Error Occurred in the Mode ChangeNode address Indicators Not lit LitConverting from ETN21 Mode to ETN11 Mode Section CX-Programmer Unit Setup Setup Contents DefaultConfidential FINS/TCP Connection Setup FINS/TCPFollowing settings can be made for each connection number Tion of ApplicationsDNS Server Setup DNSSmtp Server Setup SmtpPOP Server Setup POPDestination Mail Address Setup Mail AddressSend Mail ETN CPUPosting Mail Address Protection Setting Receive MailReceive Attached File Setting Receive Command SettingAuto Adjust Time Sntp Server SetupFor details, refer to Automatic Clock Adjustment Function Http Server SetupHttp Section Ethernet Unit Memory Allocations CIO Area Allocations Automatic Clock Adjustment Switch Bit Socket Force-close Switch BitMail Send Switch Bit Unit Control Bits CPU Unit to Ethernet UnitOpening Flag Bit Status of UDP/TCP Sockets 1 to 8 Ethernet Unit to CPU UnitBit Flag Status Manipulated Unit operation Reference Sending Flag Bit Results Storage Error Flag BitReceiving Flag Bit Closing Flag BitFTP Status Bit Service Status Ethernet Unit to CPU UnitAccessing Memory Sending Mail Bit Bit Name Status Manipulated Unit operation ReferenceError Status Ethernet Unit Accessing Memory Receiving Mail BitSystem Setup Format Bits 8 to To CPU UnitSntp server error Unit Bit Switch Status Manipulated Unit operation Reference FINS/TCP Connection StatusDM Area Allocations These bits show the status of FINS/TCP connectionsSend Mail Status Send Mail Status 1, 2 Ethernet Unit to CPU UnitBits Status +1 to m+8 Number of Bytes Received 0000 to 07C0 hex IP Address Display/Setting Area Application Setting device Setting area RemarksArea of PLC memory that are related to the Ethernet Unit Words Bits Name Function SettingsAuxiliary Area Data Read-only Bits/WordsRead/Write Bits User Settings Bits Name Description SettingsSection Determining IP Addresses Allocating IP Addresses IP Address ConfigurationIP Addresses Class Number of networks Number of hostsSubnet Masks Ethernet Unit IP Address SettingsClass Subnet Mask value Allocating Addresses to Ethernet Units Specifying Nodes in Fins Communications ServicesIP Addresses in Fins Communications Ethernet Unit Fins Message ReceptionRemote Fins node Remote IP address Connection Remote port Automatic Generation Method Dynamic/StaticIP Address Table Method and Combined Method Example Number ExampleAutomatic Generation Dynamic Pairing Addresses in Internal TablesFINS/UDP Communications Methods Automatic Generation StaticExample Combined MethodProhibiting Dynamically Changing Remote IP Addresses Using the ETN11- compatible Mode Internal Processing Pairing in the FINS/TCP MethodFINS/TCP Communications Method Local Device Is FINS/TCP ClientLocal Device Is Server Setting FINS/TCP ConnectionsLocal Device Is a Client Responding to Computers with Changed IP Addresses Automatic IP Address Setting by Dhcp ServiceApplication Examples FINS/UDP Communications MethodRelated Products and Communications/Setting Methods Models Supporting Automatic Generation Method DynamicModels Supporting IP Address Table Method Models Supporting Automatic Generation Method StaticModels that Can Use the Combined Method Private and Global Addresses Private and Global AddressesFINS/UDP and FINS/TCP 108 Conditions for Using Communications Applications Using a Private Address for the Ethernet UnitFins Communications Service Sending Mail Automatic Clock AdjustmentTransferring Files Receiving MailEthernet Unit with a Global Address Mail via the intranet, even if it as a private address Considerations, on using POP before SmtpUDP/TCP port number default 53 to be used for DNS cannot be PLC can receive the Ethernet Units IP address from the POP3Fins Communications Overview of Fins Communications Using the FINS/UDP and FINS/TCP MethodsCommunications On an Ethernet Network Fins Communications Service Specifications for Ethernet FINS/UDP Method FINS/UDP FeaturesOverview Procedure for Using FINS/UDP UDP Port Numbers forFINS/TCP Features FINS/TCP MethodTCP Port Number for FINS/TCP Connection NumbersCommunications ProcedureFINS/TCP Connection Status Word n+23 Internal tableSetup Tab Procedure for Using FINS/TCPFINS/TCP Tab Local Network Table Creating Routing TablesRouting Table Overview Relay Network TableConnecting and Using a Peripheral Device for the PLC Routing Table Setting Examples Example 2 Three Interconnected NetworksExample 3 All Nodes Settings for target PLC PLC1s Change PLC Dialog Box Using Fins ApplicationsSystem Configuration Example 1 No Routing CX-Programmer CX-ServerCX-Programmers Unit Setup Setup Tab 128 Settings for target PLC PLC3s Change PLC Dialog Box System Configuration Example 2 Using Routing TablesRouting Table Settings and Transfer to Each PLC PLC3FinsGateway Overview of Setup Methods Starting FinsGateway SettingsEtnunit Driver Setup Local Network TableNetwork Tab Communication Unit Tab132 133 Starting FinsGateway Etnunit Service ConditionsNot set. All defaults are used Communications SpecificationsCX-Programmers Unit Setup Communicating between Omron PLCsPLC Communications Data Areas Area RangeSEND090 Using SEND090, RECV098, and CMND490Ning word D at the remote destination node node address N RECV098 CMND490 Hex 2 s Destination node number N To FE HexCommands Addressed to CS/CJ-series CPU Units Usage Command Name Function CodeWriting Programs Flag name Address Contents Word Bits Communications Port Completion Codes Communications Port Error Flag and Completion Codes CMND490Word Contents Timing of Communications Flag Changes144 Program Example 146 CPU execution mode Processing time considerations Transmission DelaysCPU Bus Unit Service Cycle Local Node SEND090CPU Bus Unit Service Cycle Remote Node CPU Bus Unit Service Processing Time Local NodeTransmission Delay Transmission Processing TimeExample Calculations CPU Bus Unit Service Processing Time Remote NodeCPU processing mode Processing time considerations Settings CalculationEquation illustrated in the following diagram RECV098Reception processing time command Transmission processing time commandTransmission Delay Command Response152 Conditions for High Traffic Precautions on High Traffic in Fins CommunicationsCalculations Avoiding Errors due to High Traffic Fins Commands Addressed to Ethernet Units Response Code List Command Codes and Response CodesCommand Code List Command code NameSocket Applications FormatCommunications Type ParametersCIO Command/Response Reference ResetFINS/UDP Port Number Setting Broadcast Address SettingIP Address Conversion Method Setting Controller Data ReadController Status Read IP Address Table Error Error Flags ResponseIP Address Error IP Router Table ErrorInternode Echo Test Eeprom ErrorRuns the echo test between specified nodes Broadcast Test Results Read Command Block Response Block ParametersTest Data Command, Response Broadcast Data SendReads the error log Error LOG ReadTest Data Command Bytes can be specifiedError Code, Detailed Information Error LOG ClearError Log Data Response Minute, Second, Day, Hour, Year, MonthResults Storage Format UDP Open RequestRequests processing to open a socket Requests that data be sent from a UDP socket UDP Socket Number Command Results Storage Area CommandUDP Receive Request EnobufsResults Storage Area Response Codes UDP Send RequestRequests that data be received by a UDP socket 170 UDP Close Request Requests processing to close a socketPassive TCP Open Request Response code Description 0000 NormalRemote IP address Remote TCP port Description Econnaborted EconnresetActive TCP Open Request Tunreach175 Eacces DrnotavailTCP Receive Request Requests that data be sent from a TCP socketRequests that data be received at a TCP socket TCP Send RequestEtimedout Results Storage Format Parameters Enetunreach TCP Close RequestEhostunreach Ping Destination IP Address Command Timeout Value CommandResponse Block Parameters FINS/TCP Connection Remote Node Change Request Ping CommandRemarks 2232 FIFINS/TCP Connection No. Command ResponseFINS/TCP Connection Status Read Reads the FINS/TCP connection statusRemote TCP Port Number Response TCP Transitions Response Number of Records CommandIP Address Table Write Writes the IP address tableIP Address Write Precautions Response CodesIP Address Table Records Command Fins Node AddressIP Address Table Read Reads the IP address tableIP Router Table Read Reads the IP router tableIP Network Address Router IP AddressIP Status Response Protocol Status ReadReads the Ethernet Unit protocol status ValueType number Description Connection Information 60 Bytes Send Information 40 Bytes Receive InformationMemory Status Read Memory Status Response Socket Status Read Reads Fins node addresses and IP addresses Address Information ReadTCP Transitions 4 bytes Number of Addresses ResponseIP address set on the Ethernet Unit hexadecimal IP Address ReadNode address set on the Ethernet Unit hexadecimal Fins Node Address ResponseSubnet Mask Response Troubleshooting Troubleshooting with Indicators Probably cause CorrectionError Status Word = CIO 1500 + 25 x unit number +18Logged Errors Error LogFollowing errors are recorded in the error log Error Log Table Error Log Error CodesError Log Location Fins Commands for Error Logs 204 205 206 207 208 Troubleshooting Procedures Startup ProblemsFins Communications Problems SEND090/RECV098/ CMND490 Is the control data For the instruction set Incorrectly?Problems UDP Socket ProblemsGeneral Problems Opening and ClosingReception Problems Read Controller StatusTransmission Problems Is send Y processing not Finishing?TCP Socket Problems General ProblemsClosing Problems Opening ProblemsRefer to General Problems on 216 FTP Service Problems Connection ProblemsFile Transfer Problems ENDNetwork Connection Problems Status ReadMail Not being Sent A R TMail Not being Received A R TClock Not being Automatically Adjusted Flashing? Status bit ON?Controller Troubleshooting with Response CodesMain code Sub-code Check point Probable cause Remedy Status Read224 225 226 Codes stored in the Results Storage Area Network Relay ErrorsResults Storage Area Response Codes DevicesEalready EisconnEnotconn EmsgsizeResponse Unix error Description Probable remedy Code 230 Ethernet Network Parameters Parameter Value DescriptionPage Buffer Configuration Appendix BNetwork Memory TCP Status Transitions Status MeaningPage Ascii Characters SpacePage Settings after Replacing a CPU MaintenanceSettings after Replacing an Ethernet Unit Replacing an Ethernet UnitPage Items InspectionsTools Required for Inspection Page Ethernet Unit Web Function Unit Setup FunctionsWeb Function List Appendix G POPStatus Monitor Web Function PasswordUsing the Web Function Setting Password Menu item Corresponding CX-Programmer functionAppendix G 247 248 Numerics Index 251 252 253 254 255 256 Revision History Cat. No. W420-E1-04 Revision codeRevision History Omron Corporation Control Devices Division H.Q Regional HeadquartersAuthorized Distributor