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Omron CQM1H-CLK21, CVM1-CLK21, CS1W-RPT01, CJ1W-CLK21-V1 Troubleshooting and Maintenance

Models: CS1W-RPT01 CJ1W-CLK21-V1 CVM1-CLK21 CQM1H-CLK21 CS1W-CLK21-V1 C200HW-CLK21

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SECTION 9

Troubleshooting and Maintenance

This section provides information on troubleshooting errors that occur during Controller Link Unit operation, as well as daily inspection, cleaning, and other maintenance procedures.

9-1	Troubleshooting Using Indicators		276
	9-1-1 CS/CJ-series Controller Link Units		276
	9-1-2 C200HX/HG/HE and CQM1H-series Controller Link Units		283
	9-1-3 CVM1 and CV-series Controller Link Units		287
	9-1-4	Repeater Units	291
9-2 Status Area and Troubleshooting			292
	9-2-1 CS/CJ-series Controller Link Units		293
	9-2-2 C200HX/HG/HE Controller Link Units		299
	9-2-3 CVM1 and CV-series Controller Link Units		304
	9-2-4 CQM1H-series Controller Link Units		308
9-3	Error Log		313
	9-3-1	Error Log Table	313
	9-3-2	Error Codes	314
	9-3-3 Reading and Clearing Error Logs		320
9-4 Troubleshooting Error Messages in CX-Net Data Link Table Check			320
9-5	Cleaning and Inspection		323
	9-5-1	Cleaning	323
	9-5-2	Inspection	323
9-6	Handling Precautions		324
	9-6-1	Replacing the Unit	324
	9-6-2 Setting the Unit after Replacement		325
	9-6-3	Replacing the Unit	327

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Omron CQM1H-CLK21, CVM1-CLK21, CS1W-RPT01, CJ1W-CLK21-V1, C200HW-CLK21, CS1W-CLK21-V1 Troubleshooting and Maintenance

Contents

Controller Link Units Controller Link Units Page Omron Product References  Omron Unit Version Notation on Products Unit VersionsConfirming Unit Versions with Support Software Function Support by Unit Version Using the Unit Version LabelsUnit Version Notation Unit Versions and Manufacturing Dates/Lot Numbers Viii Table of Contents Data Links 105 Appendices Xii Name Contents Cat. No Suffixes omitted About this Manual Xiv Read and Understand this Manual Application Considerations Disclaimers Xviii Precautions Safety Precautions General PrecautionsIntended Audience Operating Environment Precautions Operating Environment Precautions Applications Precautions Xxiii EMC Directives Conformance to EC DirectivesLow Voltage Directive Section Overview What Is the Controller Link?Wired System Section Long-distance Wiring Branch WiringConverting Part of the Transmission Line to Optical Fiber Token Ring Mode CS1W-CLK12-V1 CVM1-CLK12 Token Bus Mode Connecting Repeater Units Using GI Optical Fiber Cable Manual Setting Message ServiceAutomatic Setting Data Links Or the message service function Error LogStatus Area Features of Optical Fiber Cable FeaturesFeatures of Twisted-pair Cable Specifications Improved Error Handling Compatible with Different Node ConfigurationsFlexible Inter-network Connections Devices can be modularized Features and Functions of Version-1 ModelsTotal length of wired networks can be extended Up to 62 nodes can be connected Specifications and Configurations System Configuration Branch Wiring General Specifications Maximum Configuration of 62 Nodes Communications Specifications Items Specifications Within 1 segment See Entire network PCF type GI type Wired System Controller Link Unit Models and PLCs Max No. External Appearance InstallationTables Weight Units per PLC Unit Ver .2 Pre-Ver .2 Without -V1 suffix Suffix CS/CJ-series Controller Link Unit ModelsName Model Current consumption Number Per Unit a Units Devices for Connection Repeater Units when RequiredCommunications Cables Relay Terminal Blocks Name Model Remarks Programming Device for the PLC Programming DevicesProgramming External Model Applicable PLCs Device Using an Independent Computer Controller Link Support Software Version Software External Model Applicable PLCs Remarks EV2 HG/HE, CVM1 Controller Link Support Software Menu Overview CX-Programmer Selection of Communications Functions When Operating on Personal Computer as Peripheral SoftwareWhen Operating on Personal Computer Connected as a Node Software External Model Applicable PLCs Preparations C200HX/HG/HE and CQM1H-series PLCs Basic ProceduresCVM1, CV-series, and CS/CJ-series PLCs Application Precautions Communications error type Data link areas C200HX/HG/HE PLC Section Section Basic Procedures Data Links Procedures Manually Setting Data Links Set the data link mode CS/CJ Series Word 0 of DM30000 + 100 ⋅ Automatically Setting Data LinksStart the data links AR 0700 operating level #0 CV-series PLCs Console Only Gramming Console Section To 1 Type CX-Programmer version 3.2 or higher Chain Type CS/CJ Series Word 0 of DM30000 + 100 ⋅ N Contents Remarks Message Service ProcedureRegister routing tables if using inter-network connections Create the I/O tables Create the user program Section Installation and Wiring Component Names and Functions CS-series Controller Link Units Wired Unit Indicators Name Color Status Meaning Dimensions Unit mm CJ-series Controller Link Units For details, refer to 9-1 Troubleshooting Using Indicators Component Names and Functions Node address switches Refer to p 3 C200HX/HG/HE Controller Link Unit Yellow Lit Data reception Receive Not lit No data reception Unit number switches Refer to p 4 CVM1 and CV-series Controller Link Unit 34.5 5 CQM1H-series Controller Link Unit Wire-to-Wire Repeater Unit Repeater Unit Indicators Dimensions Unit mm Wire-to-Optical H-PCF Repeater Unit Wire-to-Optical GI Repeater Unit Unit Installation Mounting Controller Link Units Installing One Controller Link UnitInstalling Two Controller Link Units C200HX/HG/HE PLCs Installing with a PC Card Unit Installing with Another Communications UnitCVM1 and CV-series PLCs CS-series PLCs Expansion CPU Rack CPU Rack CJ-series PLCs Mounting a Repeater Unit Mum current of 4.6 a 5 V and maximum power of 30 WCQM1H-series PLCs Mounting a Repeater Unit on DIN Track Screw-mounting a Repeater UnitDIN Track Communications Cables WiringCommunications Cables End Plate PFP-M 2 Plates required per Repeater Unit Terminal Block Connections Connecting the Shield LineNot Unit a Relay Terminal Block Connecting the Communications Cables Using a Relay Terminal Block Apply vinyl tape or a heat-shrinking tube Do not pull on a communication cable Mark Signal name Line color Power Supply WiringRepeater Units Power Supply Specifications Laying Optical Cable CS1W-RPT02/03 Only Mounting bracket Tension member Terminal Optical Bus or Optical Ring System H-PCF Cable Name Specifications ModelName Model Specifications Optical Fiber Cables Indoor Use Only Specifications Length Model Optical Fiber Cables with Connectors Indoor Use OnlyOptical Fiber Cable Accessories Name Model Specifications Manufacturer CS1W-RPT03 GI 50/125 ∝m AGF Cable Optical Fiber CablesMinimum Standard Maximum Unit Conditions Constructing Networks with Repeater Units Connectors62.5/125 ∝m AGF Cable Specifications within Remarks Each segment Segments Number of Repeater Units Branch Wiring 2-stage Repeater Unit ConnectionExamples of Correct Repeater Unit Connections Partial Optical Conversion 2-stage Repeater Unit Connection Long-distance Wiring 2-stage Repeater Unit ConnectionExamples of Incorrect Repeater Unit Connections More than 2 Stages of Repeater Units Long-distance Wiring Branch WiringTerminating Resistance Partial Conversion to Optical Fiber Section Preparations for Communications Overview CS-series Controller Link UnitsUnit Number Node Addresses Pins Baud rate Maximum Transmission distance Baud Rates Bottom switch Terminating resistance Default setting is 2 Mbps, 500 mCJ-series Controller Link Units Setting range Nodes To F default is Setting range Nodes 01 to 32 default is Node Baud Rates C200HX/HG/HE Controller Link Units C200HX/HG/HE PLC Always leave pin 3 OFF Baud Rate and Operating LevelOperating Level Baud Rates and Operating Levels Baud Rate Pins 1Setting the Operating Level Pin Pin Operating level Node CVM1 and CV-series Controller Link Units Setting Baud RatesAlways keep pins 3 and 4 set to OFF Node Addresses Unit Switch Baud rate Maximum Transmission distance Pin Set the following pins for the baud rate setting DIP switchSwitch at the front Terminating resistance CQM1H-series Controller Link Units Setting Baud RateSwitch Terminating Nodes Resistance Pin Sion dis Tance 101 Repeater Units Terminating Resistance Switch for SL1 Wire-to-Wire Repeater UnitWire-to Repeater Terminating Resistance Switch for SL2 Switch Terminating resistance Data Links What Are Data Links? Manually Setting Data LinksCS/CJ-series Controller Link Unit Functions by Unit Version Easy Setting Offsets Automatically Setting Data Links with Equality Layout Automatic Setting Data Links with 1N Allocations Type Model Using Offsets Offsetting Image Communications error type Data link area Data Link SpecificationsDescription Differences between Manual and Automatic Setting Manual setting Automatic setting Setting Data Links Selecting Manual or Automatic Setting Manual Setting Transferring from a Programming Device Transferring from a Computer Node Data Link Table SpecificationsSetting item Setting range CS/CJ-series PLCs 116 C200HX/HG/HE PLCs 118 CVM1 and CV-series PLCs Used. Refer to 5-4 Checking Data Link Status for details CQM1H-series PLCs 121 Words in area ≤ 247 IR Area PrecautionsData link start word 1 + Total number of send/receive W307 for information on the Controller Link Support Board SAMPLE1.CLK Same Allocation to All Nodes Manual Setting ExamplesDevice Information Settings Data Link Area Structure 124 Device Information Setting SAMPLE2.CLK Different Allocations to Each Node SAMPLE3.CLK Creating Data Link Groups within a Network Device Information Setting Data Link Tables SAMPLE4.CLK Receiving Only Part of Send Data and Offsets Only area 2 is used in this example Automatic Setting Automatic Setting, Equality Layout CS/CJ-series Startup Node Allocations Automatic Setting, 1NBetween master and slave nodes Setting Range for Automatic Setting Equality Layout 133 Features of Common Type 1N Allocation 1N Allocation, Common Type 135 136 137 Features of 1 to 1 Type 1N Allocation 1N Allocations, 1 to 1 Type 139 140 Features of Chain Type 1N Allocation 1N Allocation, Chain Type 142 143 144 Settings C200HX/HG/HE Startup Node 146 CVM1 or CV-series Startup Node 148 149 CQM1H-series Startup Node Link areas that are created as a result Automatic Setting ExampleSettings for Equality Layout DM Parameter Area DM Parameter Setting Example for 1N Allocation, Common Type Data Link Areas Created Manually Set Data Links Starting and Stopping Data LinksData Link Areas Automatically Set Data Links CS/CJ-series Start Bit Using a Programming Device or the User ProgramC200HX/HG/HE Start Bit Using Fins Commands Name Color Status Contents LED IndicatorsCheck the Link and M/A indicators on the front of the unit Checking Data Link Status 157 Following shows an example of a remaining receive area Name Function Data link status storage area is set as follows Data Link Status Storage Format CS/CJ Series OnlyOnly status for nodes 1 to 6 are saved Specification Matic settingsChecking by Manipulating Bit/Word Status Programming Examples for Processing Data when Errors Occur Error Detection Program ExampleProcessing Data Only when Data Links Are Operating Normally Writing 0000 in the Data Link Area when Errors Occur Data Link Example Communications Error at Node 164 Message Service Introduction Send and Recv CS/CJ-series PLCs 168 C200HX/HG/HE PLCs @SEND90 170 171 Timer/counters numbers 0 to 2047 can send and receive data CIO Section CVM1 and CV-series PLCs Word for data reception at the destination node, N 174 CQM1H-series PLCs 176 177 178 179 180 181 Beginning word for storing response data Cmnd Example Commands for CVM1, CV-series and CS/CJ-series PLCs Type of command Code Send/Receive Data Areas Area Range Area Range CV500, CVM1-CPU01 CVM1-CPU11/21 Selecting Communications Instructions Puter Or CV ComTents Read/write Message Service Specifications Name Address Contents Word Bit Using the Message ServiceSEND/RECV Flags Network Status Name Operating Address Contents LevelName Address Contents CVM1, and CV-series PLCs Communications Instruction Response Codes Word Bits ContentsSEND/RECV Flag Operations Example Response Codes C200HX/HG/HECQM1H-series PLC CS/CJ-series, CVM1, Simultaneous Execution of Communications Instructions C200HX/HG/HE PLCs CS/CJ-series, CVM1, and CV-series PLCs PLC Programming Examples On the next 195 196 197 198 Fins Communications Service Fins Commands and ResponsesSending and Receiving Fins Commands and Responses Any parameters must follow the command code Applicable Units for Fins CommandsCommand Codes Execution result Command Block Commands and Responses for Controller Link UnitsCommand Codes Response Block Parameters Response Block For C200HX/HG/HE, CVM1, and CV-series PLCsFor CS/CJ-series and CQM1H-series PLCs Model Reads the Controller Link Unit’s controller status Wired/Optical responseUnit. Always set to 00 Hex 204 Network Status Read Corresponding to the node address 0 0 0 0 Ified as a 2-byte 4-digit hexadecimal number as follows Default value 32 nodesReads the data link operational status Hex 32 nodes 208 Data that was sent by the command One was sent is returned Hexadecimal decimal 0 to Reads the PLC’s error logBroadcasts test data to all nodes in a specified network Response gives the number of records actually read Error LOG Clear Configuration of each error record is as follows Command PLC mode Name Code Memory Area Designations Each word/bit address specifies a specific bit or word Specified for CQM1H-series PLCsWord/Bit Addresses Memory Area Code Parameters Memory area code command The data area to read Data ConfigurationWord Contents or PV Two Bytes Flag or Bit Status One Byte Memory Areas Parameters Memory area code command The data area to writeMemory area Data No. Code Bytes Sequence starting from the beginning address Memory area designations Program Area Write 8 RUN Data command The data to be written02 Hex Monitor mode 04 Hex RUN mode Stop Area data response As follows Meaning Unit Hex Reads the status of the Controller Command Block Response Block0 0 Clock Read Value Day Parameters Error reset code command Set to Ffff Hex Parameters Range Value Function Memory area Data Designations for memory area designations ResponseArea Data type Memory area Number Code Bytes Response Codes ConfigurationIR, SR, LR, HR, and AR Areas Network Relay Errors Relay Errors CPU Unit Response Codes and TroubleshootingTo some cause such as a routing table error Exist 228 229 230 231 232 Network Interconnections Interconnecting Controller Link Networks What is Network Interconnection?Interconnecting Different Types of Networks 235 Local Networks Remote Programming and MonitoringSysmac Support Software and CV Support Software Remote Controller Link Networks Sysmac Support Software or CV Support Software Other Remote Networks CX-Programmer Programming Device Appropriate Unit according to the routing tables Routing TablesCreating Routing Tables Local Network Table Relay Network Table Setting Routing TablesCreated Network end network not directly connected to the local PLC Editing Local Network Tables Routing Table Setting ProcedureLocal network Editing Relay Network Tables Saving Routing Tables Transferring Routing Tables Connecting to the PLCRouting Table Enable Bit C200HX/HG/HE and CQM1H-series Only Operating level 0 DM Operating level 1 DM Example Routing Table Settings PCs Nodes Routing Tables on PLC 246 Communications Timing Communications Mechanism Data Transmissions over the Network Setting the Polling and Polled Nodes Network Parameters No. of Polled Nodes per Communications Cycle Specifying Network Parameters Network parameter Setting Default Range ValueCommunications Cycle Time Active Data Links Calculation Example Instruction When sent When receivedInactive Data Links Communications conditions are as follows Data Exchange Timing Being issuedData Link I/O Response Time Bytes Under Asynchronous Synchronous ModeData Processing Time CS/CJ-series PLCs, CVM1 Calculation Example Time Case 257 258 259 260 261 Minimum Response Time CVM1 and CV-series PLCs Under Asynchronous Operation Maximum Response Time 264 Data Processing Time see Message Delay Times1 CS/CJ-series, CVM1, and CV-series PLCs Data Transmission Time Link Servicing Interval Source and Destination Nodes Link Service Processing Source and Destination NodesTransmission Delay Time Transmission Processing Reception Processing That transmits event frames before the Send command is sentMaximum Delay Time Number of words transferred ⋅ 0.00075 + 1.3 ms 268 269 Responses Number of words transferred ⋅ 0.00125 ms + 3 ms 2 C200HX/HG/HE and CQM1H-series PLCsSEND90 Responses Number of words transferred ⋅ 0.00125 ms + 2.3 ms RECV98 Instruction 272 273 274 Troubleshooting and Maintenance 1 CS/CJ-series Controller Link Units Troubleshooting Using IndicatorsTroubleshooting with RUN, ERC, ERH and INS Indicators CS-series Unit 277 278 Data Link Cannot be Troubleshooting with LNK and M/A IndicatorsUsing the following table Started Data Link Troubleshooting of Other ErrorsNode Cannot Participate Stopped Configuring a Network with 33 Nodes or More Problem Status Cause and remedy 282 Configuring a Network with 32 Nodes or Less 2 C200HX/HG/HE and CQM1H-series Controller Link Units 284 285 286 CVM1 and CV-series Controller Link Units 288 289 290 291 Troubleshooting with the PWR Indicator Status Area and TroubleshootingTroubleshooting with the T/R1 and T/R2 Indicators Error Information CIO 1500 + 25 x Unit No Status Area 294 Data Link Status Bit Status and Error ProcessingBit status Probable cause Probable remedy 296 Refer to 7-4 Setting Rout Other Status Terminating Resistance Status CIO 1500 + 25 ⋅ Unit No. + Stopping Data Links Service Time AR 16, AR Duplicate Operating Levels/Refresh Error ARRouting Table Error/Unit Restart Bits AR 2 C200HX/HG/HE Controller Link Units Data Link Status SR 239 to SR 241, SR 243 to SR Polling Node Address, Startup Node Address SR 238, SROperating Level Status SR Troubleshooting with Status Flags Data Link Status First Data Link Status Word + 0 to + 302 303 Error Information CIO 1500 + 25 ⋅ Unit No 3 CVM1 and CV-series Controller Link Units Data Link Status CIO 1500 + 25 ⋅ Unit No. + 7 to + 306 307 Error Information IR 4 CQM1H-series Controller Link Units Local Data Link Participation Status IR Polling Node Address, Startup Node Address IRNetwork Participation Status IR 192 and IR Data Link Status IR 91 to IR 310 311 Routing Tabless and reset Terminating Resistance Status IR Error Log Table Error LogError Log Table Configuration Time Information Error CodesTents of the errors 1st byte 2nd byte 315 Command block Response block 317 318 319 Reading an Error Log Reading and Clearing Error LogsError Status Clearing an Error Log Example Display of Error List Error message Troubleshooting 322 Inspection Cleaning and InspectionCleaning Tools and Equipment Need for Inspection Bit address Unit Handling PrecautionsReplacing the Unit Word Unit Setting the Unit after Replacement Resetting Network Parameters 326 C200HX/HG/HE and CQM1H-series Controller Link Units Using the Controller Link Support SoftwareNot Using the Controller Link Support software 3.. . Turn off all nodes in the Controller Link Network CS/CJ-series, CVM1, and CV-series Controller Link Units 329 330 Adding Nodes and Editing Active Data Link Tables Example of Adding Nodes Using a T-branch Line Adding Nodes Using a Repeater UnitExample of Adding Nodes with a Repeater Unit on One End Procedure for Adding Nodes Precautions when Connecting Nodes Using a Repeater Unit System Configuration after Adding Nodes Adding Nodes with a Repeater Unit at One End Systems Wired with an Existing Repeater Unit Systems with an Existing T-branch Line Example of Changing Data Link Table with Active Data Links Operations when Changing Data Link TablesChanging the Data Link Tables with Active Data Links Model Remarks 337 Procedure 339 340 341 342 Controller Link Support Software Standard Models Controller Link UnitsController Link Support Board Communications Cables Twisted-pair Cables CPU Units CX-Programmer with CX-NetCPU Units and Programming Devices Applicable Name Model number Applicable PLCs Computer Other Products Used with Controller Link Units Page CS/CJ-series PLCs Memory AreasAuxiliary Area Error Information CIO 1500 + 25 ⋅ Unit No. See CS/CJ CPU Bus Unit Duplication Error FlagCS/CJ CPU Bus Unit Error, Unit Number Flags CIO Area CS/CJ CPU Bus Unit Area 349 350 DM Area CS/CJ CPU Bus Unit Area Memory AreasAppendix B Common Type To 1 Type Chain Type SR Area C200HX/HG/HE PLCsCommunications Instruction Response Codes SR 237 See AR Area Duplicate Operating Levels/Refresh Error AR 00 SeeRouting Table Error/Unit Restart Bits AR 01 See Operating Level Status SR 252 See pages 189 Service Time AR 16, AR 17 See DM Parameter Area CVM1 and CV-series PLCs CIO Area CPU Bus Unit Area CPU Bus Unit Numbers 359 DM Area CPU Bus Unit Area CQM1H-series PLCs Word Bits Name ContentsData Link Start Bit AR 07 See Data Link Status IR 91 to IR 93 See pages 156 Local Data Link Participation Status IR 90 SeeTerminating Resistance Status IR 95 See PLC Setup Settings in DM Area Controller Link Status Information Automatic Data Link Parameters DM 6401 to DM 6409 See Using the Relay Terminal Block Appearance Name Model number Remarks Replacing a Controller Link Unit with a Relay Terminal Block 367 Page Numerics Index 371 372 373 374 Revision code Date Revised content Revision History Revision History Pages 115, 117, 119, and 120 PC changed to PLC Omron Corporation Control Devices Division H.Q Regional Headquarters Authorized Distributor