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Omron CS1W-ETN21 operation manual Reception Problems, Read Controller Status

Models: CS1W-ETN21

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Troubleshooting Procedures

Section 8-4

Reception Problems

Reception Problems occurred.

Is reception

Is the remote

processing

finishing?

Y

N

node not processing to			N				Adjust the remote node to process send data.
							Adjust the remote node to process send data.

send data?
Y
Y

Read controller status using the FINS command

READ CONTROLLER STATUS.

							There may be noise affecting the network.
Have any reception			Y				Increase the number of retries or take
Have any reception			Y				measures against noise as described in 2-4
errors occurred?							Network Installation.
N
N

Read memory status using the FINS command

READ MEMORY STATUS.

Is the network memory being used more Y

than 80%?

N

Read protocol status using the FINS command READ PROTOCOL STATUS.

There may be too much load on the Ethernet Unit. If the memory exhaustion records show counts, UDP data may be corrupted. Check your applications.

	Are any of			Y			The UDP protocol of the remote node may not
	the first three items in the			Y			be compatible with that of the Ethernet Unit.
	the first three items in the						be compatible with that of the Ethernet Unit.
	status being counted?						Use another communications service.
	N
	N

Return to the procedure for general problems.

Check the remote node for transmission problems using the next procedure. If nothing is uncovered, go to Network Connection Problems.

212

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Omron CS1W-ETN21 operation manual Reception Problems, Read Controller Status

Contents

Ethernet Units Construction of Networks Revised January Page  Omron Omron Product ReferencesUnit Versions Notation of Unit Versions on ProductsConfirming Unit Versions with Support Software Lowing table Unit Version NotationViii Table of Contents Ethernet Unit Memory Allocations Index 249 Revision History 257 Xii About this Manual Section ContentsRelevant Manuals Manual Model Name Contents NumberCXONE-AL@@C-E WS02-CXPC1-EV6CQM1H-PRO01-E CQM1-PRO01-EXvi Read and Understand this Manual Application Considerations Disclaimers Page Precautions General Precautions Safety PrecautionsIntended Audience Application Precautions Operating Environment PrecautionsApplication Precautions Applicable Directives Conformance to EC DirectivesConcepts EMC DirectivesLow Voltage Directive Section Connecting the CX-Programmer to PLCs Online via Ethernet Overall System Configuration ExampleEthernet Unit Function Guide Determining the ObjectivesSection Reference Exchanging Data between Omron PLCs using EthernetOperation Operation Use the mail receive function Receiving E-mail Data and Files at the PLCUlating control bits or the CMND490 instruction Ladder programSimplified Socket Services FeaturesCompatibility and Speed Various Protocols Available on EthernetAdditional E-mail Functions Improved Fins Message CommunicationsSpecification of Servers by Host Name Automatic PLC Internal Clock AdjustmentUse Web Function to Read Ethernet Unit Settings and Status Network Connection with Controller LinkSystem Configuration System ConfigurationSetup Area and Related Peripheral Devices Devices Required for Constructing a NetworkRouting Table Area General Specifications SpecificationsSpecifications CS-series Ethernet UnitCJ-series Ethernet Unit Dimensions Software Configuration PLCs, mode changes, and file memory operations Fins Communications ServiceOverview of Communications Functions Basic FunctionsSocket Services Upgraded FunctionsManipulating Dedicated Control Bits Executing CMND490 Improved TCP Socket Interface Mail Send Function FTP Server FunctionMail Receive Function Specifying Servers by Host Name Automatic Clock Adjustment FunctionComponent Names Nomenclature and FunctionsCS-series Ethernet Units CS1W-ETN21 100Base-TXCJ-series Ethernet Units CJ1W-ETN21 100Base-TXFront Indicators IP AddressSubnet Mask Indicator Color Status Meaning Comparison with Previous Models Previous models New modelsCS1W-ETN11 CS1W-ETN21 CJ1W-ETN11 CJ1W-ETN21 Upgrade Details Unit Version Upgrade InformationUnit Version FINS/UDPInstallation and Initial Setup Tables Overview of Startup ProcedureSetting the Unit Number Switch SettingsSetting the Node Address Setting rangeCJ-series Ethernet Units UnitMounting to a PLC Mounting to a CS-series PLCMounting to a CJ-series PLC Basic Installation Precautions Network InstallationPrecautions on Laying Twisted-pair Cable PrecautionsBasic Precautions Recommended ProductsCascade Connections Connect the hubs using special cables or special racksStack Connections Hubs per stackMounting Location Using Contact Outputs Common to All UnitsCable Location Hub MeasuresEthernet Connectors Connecting to the NetworkConnecting the Cable Connector pin Signal name Abbr Signal directionCreating I/O Tables Connecting Programming Devices to the PLC1 I/O Table Overview DevicesConnecting Programming Devices Programming Console Procedure for Creating I/O TablesCX-Programmer Version 3.20 or Higher and CX-Integrator 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 IP Address Basic SettingsUnit Setup Default SettingOperation status +98 +99Setting Contents Broadcast SettingsSubnet Mask Class Subnet maskSettings TCP/IP Keep-alive SettingBaud Rate Set the baud rateSocket Services Unit Setup for Particular ApplicationsCX-Programmer tab Settings CX-Programmer tab Setting Setup Keep-aliveMail Reception Automatic Clock AdjustmentSmtp POPCX-Programmer Setting item Tab Ping CommandCommunications Test Ethernet UnitHost Computer Converting from Previous ModelsMethod Application ExamplesSpecifications in ETN11 mode Checking the CPU Bus Unit System Setup Area Format Bit address Format classification Changing the CPU Bus Unit System Setup Area FormatUsing the CX-Programmers Unit Setup Node address Indicators If an Error Occurred in the Mode ChangeNot lit Not lit LitConverting from ETN21 Mode to ETN11 Mode Section CX-Programmer Unit Setup Contents Default SetupConfidential FINS/TCP FINS/TCP Connection SetupTion of Applications Following settings can be made for each connection numberDNS DNS Server SetupSmtp Smtp Server SetupPOP POP Server SetupMail Address Destination Mail Address SetupSend Mail CPU ETNReceive Mail Posting Mail Address Protection SettingReceive Command Setting Receive Attached File SettingSntp Server Setup Auto Adjust TimeHttp Server Setup For details, refer to Automatic Clock Adjustment FunctionHttp Section Ethernet Unit Memory Allocations CIO Area Allocations Mail Send Switch Bit Socket Force-close Switch BitAutomatic Clock Adjustment Switch Bit Unit Control Bits CPU Unit to Ethernet UnitStatus of UDP/TCP Sockets 1 to 8 Ethernet Unit to CPU Unit Opening Flag BitBit Flag Status Manipulated Unit operation Reference Receiving Flag Bit Results Storage Error Flag BitSending Flag Bit Closing Flag BitAccessing Memory Sending Mail Bit Service Status Ethernet Unit to CPU UnitFTP Status Bit Bit Name Status Manipulated Unit operation ReferenceSystem Setup Format Bits 8 to Accessing Memory Receiving Mail BitError Status Ethernet Unit To CPU UnitSntp server error Unit FINS/TCP Connection Status Bit Switch Status Manipulated Unit operation ReferenceThese bits show the status of FINS/TCP connections DM Area AllocationsSend Mail Status 1, 2 Ethernet Unit to CPU Unit Send Mail StatusBits Status +1 to m+8 Number of Bytes Received 0000 to 07C0 hex Application Setting device Setting area Remarks IP Address Display/Setting AreaAuxiliary Area Data Words Bits Name Function SettingsArea of PLC memory that are related to the Ethernet Unit Read-only Bits/WordsBits Name Description Settings Read/Write Bits User SettingsSection Determining IP Addresses IP Addresses IP Address ConfigurationAllocating IP Addresses Class Number of networks Number of hostsEthernet Unit IP Address Settings Subnet MasksClass Subnet Mask value IP Addresses in Fins Communications Specifying Nodes in Fins Communications ServicesAllocating Addresses to Ethernet Units Ethernet Unit Fins Message ReceptionIP Address Table Method and Combined Method Automatic Generation Method Dynamic/StaticRemote Fins node Remote IP address Connection Remote port Example Number ExampleFINS/UDP Communications Methods Pairing Addresses in Internal TablesAutomatic Generation Dynamic Automatic Generation StaticCombined Method ExampleProhibiting Dynamically Changing Remote IP Addresses Using the ETN11- compatible Mode FINS/TCP Communications Method Pairing in the FINS/TCP MethodInternal Processing Local Device Is FINS/TCP ClientSetting FINS/TCP Connections Local Device Is ServerLocal Device Is a Client Application Examples Automatic IP Address Setting by Dhcp ServiceResponding to Computers with Changed IP Addresses FINS/UDP Communications MethodModels Supporting Automatic Generation Method Dynamic Related Products and Communications/Setting MethodsModels Supporting Automatic Generation Method Static Models Supporting IP Address Table MethodModels that Can Use the Combined Method Private and Global Addresses Private and Global AddressesFINS/UDP and FINS/TCP 108 Using a Private Address for the Ethernet Unit Conditions for Using Communications ApplicationsFins Communications Service Transferring Files Automatic Clock AdjustmentSending Mail Receiving MailEthernet Unit with a Global Address UDP/TCP port number default 53 to be used for DNS cannot be Considerations, on using POP before SmtpMail via the intranet, even if it as a private address PLC can receive the Ethernet Units IP address from the POP3Fins Communications Using the FINS/UDP and FINS/TCP Methods Overview of Fins CommunicationsCommunications On an Ethernet Network Fins Communications Service Specifications for Ethernet FINS/UDP Features FINS/UDP MethodOverview UDP Port Numbers for Procedure for Using FINS/UDPFINS/TCP Method FINS/TCP FeaturesFINS/TCP Connection Numbers TCP Port Number forFINS/TCP Connection Status Word n+23 ProcedureCommunications Internal tableProcedure for Using FINS/TCP Setup TabFINS/TCP Tab Routing Table Overview Creating Routing TablesLocal Network Table Relay Network TableConnecting and Using a Peripheral Device for the PLC Example 2 Three Interconnected Networks Routing Table Setting ExamplesExample 3 All Nodes System Configuration Example 1 No Routing Using Fins ApplicationsSettings for target PLC PLC1s Change PLC Dialog Box CX-Programmer CX-ServerCX-Programmers Unit Setup Setup Tab 128 Routing Table Settings and Transfer to Each PLC System Configuration Example 2 Using Routing TablesSettings for target PLC PLC3s Change PLC Dialog Box PLC3Etnunit Driver Setup Overview of Setup Methods Starting FinsGateway SettingsFinsGateway Local Network TableCommunication Unit Tab Network Tab132 133 Conditions Starting FinsGateway Etnunit ServiceCX-Programmers Unit Setup Communications SpecificationsNot set. All defaults are used Communicating between Omron PLCsArea Range PLC Communications Data AreasUsing SEND090, RECV098, and CMND490 SEND090Ning word D at the remote destination node node address N RECV098 Hex 2 s Destination node number N To FE Hex CMND490Usage Command Name Function Code Commands Addressed to CS/CJ-series CPU UnitsWriting Programs Flag name Address Contents Word Bits Word Contents Communications Port Error Flag and Completion Codes CMND490Communications Port Completion Codes Timing of Communications Flag Changes144 Program Example 146 CPU Bus Unit Service Cycle Local Node Transmission DelaysCPU execution mode Processing time considerations SEND090Transmission Delay CPU Bus Unit Service Processing Time Local NodeCPU Bus Unit Service Cycle Remote Node Transmission Processing TimeCPU processing mode Processing time considerations Settings CPU Bus Unit Service Processing Time Remote NodeExample Calculations CalculationRECV098 Equation illustrated in the following diagramTransmission Delay Command Transmission processing time commandReception processing time command Response152 Precautions on High Traffic in Fins Communications Conditions for High TrafficCalculations Avoiding Errors due to High Traffic Fins Commands Addressed to Ethernet Units Command Code List Command Codes and Response CodesResponse Code List Command code NameFormat Socket ApplicationsParameters Communications TypeCIO Reset Command/Response ReferenceIP Address Conversion Method Setting Broadcast Address SettingFINS/UDP Port Number Setting Controller Data ReadController Status Read IP Address Error Error Flags ResponseIP Address Table Error IP Router Table ErrorEeprom Error Internode Echo TestRuns the echo test between specified nodes Test Data Command, Response Command Block Response Block ParametersBroadcast Test Results Read Broadcast Data SendTest Data Command Error LOG ReadReads the error log Bytes can be specifiedError Log Data Response Error LOG ClearError Code, Detailed Information Minute, Second, Day, Hour, Year, MonthUDP Open Request Results Storage FormatRequests processing to open a socket UDP Receive Request UDP Socket Number Command Results Storage Area CommandRequests that data be sent from a UDP socket EnobufsUDP Send Request Results Storage Area Response CodesRequests that data be received by a UDP socket 170 Requests processing to close a socket UDP Close RequestResponse code Description 0000 Normal Passive TCP Open RequestRemote IP address Remote TCP port Description Active TCP Open Request EconnresetEconnaborted Tunreach175 Drnotavail EaccesRequests that data be sent from a TCP socket TCP Receive RequestTCP Send Request Requests that data be received at a TCP socketEtimedout Results Storage Format Parameters TCP Close Request EnetunreachEhostunreach Destination IP Address Command Timeout Value Command PingResponse Block Parameters Ping Command FINS/TCP Connection Remote Node Change RequestRemarks FINS/TCP Connection Status Read FIFINS/TCP Connection No. Command Response2232 Reads the FINS/TCP connection statusIP Address Table Write Number of Records CommandRemote TCP Port Number Response TCP Transitions Response Writes the IP address tableIP Address Table Records Command Precautions Response CodesIP Address Write Fins Node AddressReads the IP address table IP Address Table ReadReads the IP router table IP Router Table ReadRouter IP Address IP Network AddressReads the Ethernet Unit protocol status Protocol Status ReadIP Status Response ValueType number Description Connection Information 60 Bytes Receive Information Send Information 40 BytesMemory Status Read Memory Status Response Socket Status Read TCP Transitions 4 bytes Address Information ReadReads Fins node addresses and IP addresses Number of Addresses ResponseNode address set on the Ethernet Unit hexadecimal IP Address ReadIP address set on the Ethernet Unit hexadecimal Fins Node Address ResponseSubnet Mask Response Troubleshooting Probably cause Correction Troubleshooting with IndicatorsWord = CIO 1500 + 25 x unit number +18 Error StatusError Log Logged ErrorsFollowing errors are recorded in the error log Error Log Error Codes Error Log TableError Log Location Fins Commands for Error Logs 204 205 206 207 208 Startup Problems Troubleshooting ProceduresIs the control data For the instruction set Incorrectly? Fins Communications Problems SEND090/RECV098/ CMND490General Problems UDP Socket ProblemsProblems Opening and ClosingRead Controller Status Reception ProblemsIs send Y processing not Finishing? Transmission ProblemsGeneral Problems TCP Socket ProblemsOpening Problems Closing ProblemsRefer to General Problems on 216 Connection Problems FTP Service ProblemsEND File Transfer ProblemsStatus Read Network Connection ProblemsA R T Mail Not being SentA R T Mail Not being ReceivedFlashing? Status bit ON? Clock Not being Automatically AdjustedMain code Sub-code Check point Probable cause Remedy Troubleshooting with Response CodesController Status Read224 225 226 Results Storage Area Response Codes Network Relay ErrorsCodes stored in the Results Storage Area DevicesEnotconn EisconnEalready EmsgsizeResponse Unix error Description Probable remedy Code 230 Parameter Value Description Ethernet Network ParametersPage Appendix B Buffer ConfigurationNetwork Memory Status Meaning TCP Status TransitionsPage Space Ascii CharactersPage Settings after Replacing an Ethernet Unit MaintenanceSettings after Replacing a CPU Replacing an Ethernet UnitPage Inspections ItemsTools Required for Inspection Page Unit Setup Functions Ethernet Unit Web FunctionWeb Function List POP Appendix GUsing the Web Function Setting Password Web Function PasswordStatus Monitor Menu item Corresponding CX-Programmer functionAppendix G 247 248 Numerics Index 251 252 253 254 255 256 Cat. No. W420-E1-04 Revision code Revision HistoryRevision History Regional Headquarters Omron Corporation Control Devices Division H.QAuthorized Distributor