Troubleshooting and Maintenance | Omron CJ1W-DRM21, CS1W-DRM21

SECTION 9

Troubleshooting and Maintenance

This section describes error processing, periodic maintenance operations, and troubleshooting procedures needed to keep the DeviceNet network operating properly. We recommend reading through the error processing procedures before operation so that operating errors can be identified and corrected more quickly.

9-1	Troubleshooting with the DeviceNet Unit Indicators		200
	9-1-1 Determining Operating Status from the Indicators		200
	9-1-2 Troubleshooting Errors Occurring in the DeviceNet Unit		201
9-2	Error Log Functions		218
	9-2-1	Error Log Table	218
	9-2-2 Error Codes and Detail Codes		219
9-3	Troubleshooting		222
	9-3-1 CPU Unit’s ERR/ALM Indicator Lit or Flashing		222
	9-3-2 Remote I/O Communications Disabled		222
	9-3-3	I/O Link Problems	223
	9-3-4 Communications Error Operation Settings		224
	9-3-5	Scan List Problems	224
9-4	Maintenance and Replacement		225
	9-4-1	Cleaning	225
	9-4-2	Inspection	225
	9-4-3	Replacing Faulty Units	226

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Omron CJ1W-DRM21, CS1W-DRM21 operation manual Troubleshooting and Maintenance

Contents

Revised July Page Word and is abbreviated Wd in documentation in this sense Moderate injury, or property damageThing else To the user  Omron Trademarks and Copyrights Table of Contents Remote I/O Slave Communications 121 About this Manual Manual Products Contents Cat. No WS02-CXPC1-EV Precautions Intended Audience General PrecautionsSafety Precautions Operating Environment Precautions Operating Environment Precautions Application Precautions Application Precautions Applicable Directives Conformance to EC DirectivesConcepts Conformance to EC Directives Xvii Section Section Overview of DeviceNet VME Master Boards Overall System ConfigurationMaster Features DeviceNet Master Units and DeviceNet Units Slave Features Terminals Configurator FeaturesEnvironment-resistant Terminals Remote Adapters C200H I/O Link Units Temperature Input TerminalsRS-232C Units Multiple I/O TERMINALs Applicable Units and DeviceNet Functions Master Model Without Configurator With ConfiguratorRemote I/O Master C200HX/HG/HE C200HX/HG/HE CQM1H CQM1-DRT21 Remote I/O Slave only Units Mounted in a PCCS1W-DRM21 CIO, WR, DM, EM, HR CIO, DM, EM, AR, LR, T/C Communications Instructions Message CommunicationsMaster Unit model Send Receive Master model Model Capacity Types of Slave Communications Software Switches and Communications StatusMasters Name Appearance Points Model number Remarks DRT1-ND16S DRT1-HD16SDRT1-TS04T DRT1-TS04P DRT1-ID04CL-1 DRT1-ID04CLDRT1-ID08CL DRT1-ID08CL-1 Tion Number Supply Input Output Voltage Multiple I/O Terminal Units GT1-DA04MX GT1-AD08MXGT1-TS04T GT1-TS04P DeviceNet Configurator DeviceNet Unit Features Explicit Message Communications Without the ConfiguratorFins Message Communications User-set allocations Through a Serial Line Configurator ConnectionTions. The maximum I/O for the slave function is 100 words Programming CX-ProgrammerMonitoring of DeviceNet Slave PCs Ver .1 or Later Refer to 4-1 Master Remote I/O Communications for details Methods Various ConnectionMaximum Network Length 500 m General Specifications SpecificationsFunctional and Performance Specifications DeviceNet Unit Figurator Specifications OUT Section Remote I/O Allocation method Fixed allo CVM1/CV Cations parameter settings, etc CS1W-DRM21 Comparison between CS1W-DRM21 and CJ1W-DRM21 C200HW-DRM21-V1 Comparison with Previous ModelsCS/CJ-series PC Comparison with Previous Models Using the Configurator 300 words total for Eeprom Models Outline of the ConfiguratorModel Contents Personal Computer Configurator Specifications With no allocation area duplication Hardware Preparations for Communications Basic Operating ProceduresNetwork Installation Procedure Sysmac Link Unit, Controller Link Unit, and Ethernet Unit Creating Routing TablesTions to be used, as shown in the table below Communications Using the Master Function Procedures Prior to Starting CommunicationsUser-set Allocations Using Allocated DM Area Words Fixed Allocations User-set Allocations Using the Configurator Using Slave Function Section Section Situation Action List of Usage Methods by Purpose List of Usage Methods by Purpose Nomenclature and Installation Nomenclature and Functions IndicatorsNomenclature and Functions OFF Status Indicators MS and NSIndi Color Status Meaning likely errors Seven-segment Digits Seven-Segment DisplayFollowing table shows the functions of the 7-segment digits Status Display Dot Indicators Switch SettingsFollowing table shows the functions of the dot indicators Unit No. Switch Baud Rate DIP Switch System Configuration Precautions Installing the DeviceNet UnitConnectors Continue/Stop Remote I/O Communications CS-series MountingCS-series, up to 16 Units can be mounted to the CS1W-BC CJ-series Handling PrecautionsCarefully align the connectors to mount the DeviceNet Unit Remove the label after wiring External Dimensions Allocated CIO and DM Words Overview of Word Allocations Unit number Allocated words Allocated CIO Area WordsAllocated DM Area Words Allocated CIO Area Words Software Switches 1 Word n Unit status area 2 word n+11 Master Status 1 word n+12 Mas Scan Unit Ter List Oper Func Sta Ating Tion Tus ModeWord n n = CIO 1,500 + 25 x unit number OFF→ List Oper Func Sta Ating Tion Tus Mas A C2 error will be displayed on Mode Alloca Tions Word n+1 n = CIO 1,500 + 25 x unit number Software Switches 2 Word n+1Slave Unit Func Oper Tion Ating Mode Reserved By system Slave Unit Func Oper Tion Ating Mode User Allocates the following words to the slave Pro Scan Slave Unit List Func Oper Sta Tion Ating Tus Mode Disconnect/Connect Switches Words n+6 to n+9 Master COS Send Switches Words n+2 to n+5 Bit Name Status Controlled Unit operation Word n+10 n = CIO 1,500 + 25 x unit number Unit Status 1 Word n+10 Word n+11 n = CIO 1,500 + 25 x unit number Unit Status 2 Word n+11 Itored from I/O Data Communications Flag word n+12 bit Word n+12 n = CIO 1,500 + 25 x unit number Master Status 1 Word n+12 Code Details Master Status 2 Word n+13Master I/O Allocation Status Word n+14 n = CIO 1,500 + 25 x unit number Slave Status 1 Word n+14 Tions Flag for Ter OUT 2/IN Slave Status 2 Word n+15 List EnabledRegistered Slave Table Words n+16 to n+19 Master Node Addresses Normal Slave Table Words n+20 to n+23 13 C200H Master Replacement Master Status 1 Word n+24Word n+24 n = CIO 1,500 + 25 x unit number ON/OFF Unit Structure Allocated DM Area Words Communications Cycle Time Setup Table Master User Allocations Setup Table Code Name Word range Enabled before you set these valuesAreas and Word Ranges Code Description Details Allocation Size Setup TableSetting Results Setting Example Slave User Allocations Setup Table Word Ranges Communications Cycle Time Reference TableMaster User-set Allocations Reference Table Slave User-set Allocations Reference Table Slave Detailed Status Figuration Slave with the scan list disabled Error Flags COS Remote I/O Master Communications Master Communications Master Remote I/O CommunicationsAllocations Fixed Allocations Using the Master UserUser-set Allocations Allocations Table Section Slave alloca Fixed allo Remote I/O Master Specifications Pattern One Master Unit Multiple Master Units connected Precautions on the Number of Master UnitsNumbers of Master Units when DeviceNet Units are used Fixed Allocations for Remote I/O Procedure for Using Remote I/O MasterUser-set Remote I/O Allocations Using DM Area Settings User-set Remote I/O Allocations Using the Configurator Scan List Scan List Contents Through the allocated DM Through the Configurator Scan List Enabled and Scan List DisabledCreating the Scan List Shown below Fixed Allocations Use a Software Switch to select the allocation areaAllocated Words Backing Up the Scan List Place the CPU Unit in Program mode Turn on ProcedureMaster Enable Switch Select Fixed Fixed Allocations Area 104 Node address Outputs Inputs Product Changing System ComponentsFixed Allocations Example Turn on the Scan List Enable SwitchResulting Slave Allocation User-set Allocations Methods User-set Allocations 108 Setting the Master User Allocations Table Procedure Turn on the Master Enable SwitchFirst word for the Allocation Size Setup Table Setting the Allocation Size Setup Table Turn on the Slave User Allocations Switch Master User Allocations Table Multiple masters cannot share the same slaveChanging System Components Resulting Slave Allocations Allocation Size Setup TableTurning on the Master User Allocations Switch 113 Same node address cannot be allocated more than once Procedure Step Example of User-set Allocations Using the Configurator Example of Ladder Programming for Remote I/O Communications Starting and Stopping Remote I/O CommunicationsStarting Remote I/O Communications Stopping Remote I/O Communications Example of Ladder Programming for Remote I/O Communications Condition Error Details Results Indicators Segment Display Errors that May Occur in Remote I/O CommunicationsFollowing errors may occur during remote I/O communications Condition Error Details Results Indicators Remote I/O Slave Communications Slave Communications Slave Remote I/O CommunicationsAllocation Methods Procedures for Using Remote I/O Slave Communications Remote I/O and Slave Communications Specifications 124 Select a Fixed Stop SlaveAllocation Area Turn on the Slave Fixed Allocation Area Stop Slave Communications Connection TypesSet the Slave User Allocations Table Slave User Allocations Table Areas and Word Ranges for the OUT 1/IN 1 Areas Turn on the Slave User Allocations Switch word n+1, bitTurn on the Slave Enable Switch Slave areas Block Setting throughConfiguration Specified connection OUT 1 area 2 area Type Connection Types and Allocated I/O Areas Message Communications Outline of Message Communications OverviewOverviewSection Fins messages Explicit messages Fins Message Communications Type of Fins message Data send/receive Fins commandsOverall Structure Nodes masters and/or slaves that support Fins messages Unit Series Any Fins CommandDeviceNet Instructions Master Unit To send Receiving Fins Message Communications Explicit Message CommunicationsSending Fins Message Communications Sages Message Communications Specifications Message Communications Error Indications Message Communications Errors Message Monitoring Timer Fins Communications Fins Commands and ResponsesIndicators Command Codes Sending/Receiving Fins Command/ResponsesAre required follow the command code Response Codes Commands Addressed to CS/CJ-series CPU Units Fins Command ListsFunction Name Command Code Units Supporting Fins Communications Error Clear Error LOG Read Error LOG Clear Function Name CommandForced SET/RESET Forced SET/RESET Cancel Clock Read Clock Write Setting Node Addresses Using Fins Message CommunicationsCommands Addressed to DeviceNet Units Command to Send Explicit DeviceNet Messages Relay network table, as described below Routing TablesLocal Network Tables Example Table is created Procedure for Creating the Routing TableRelay Network Tables Lowed on the way to the final network Description Data Send/Receive InstructionsControl Data DeviceNet networks Indicates a Unit as shown in the following table Unit Setting Response beginning at word D Sending Fins CommandsOperating mode, and perform other functions at other nodes Using SEND090, RECV098, and CMND490 Communications Flag Operation Type Name Address Content Word BitCommunications Flags Communications Instructions Completion Codes Following tableTiming of Reading Responses Send/Receive Data Areas Command Details Example 1 Sending Data Using SendProgramming Examples Operation Bset Program Example Example 2 Sending a Fins Command Using Cmnd Example Program Connecting Networks for Fins Communications Sending Explicit Messages Sending Explicit Messages Command Block Response Block Fins Command Explicit Message Send 28Error Responses Normal Response Sending Explicit Messages Using CMND490 162 Vendor code is read from a Slave Omron vendor code 002F Hex Example Sending Explicit Messages Using CMND490Following command is used Cmnd S D C Response Receiving Explicit Messages PLC Objects provide the following services List of PLC Object ServicesStatus Read/Write for CPU Units ITOR, RUN Memory Read/Write for CPU Units Service Class ID Instance ID Request Contents Code Data Command Block CPU Information Read Service Code 0E HexAttribute ID Hex Contents Attribute value size Hexadecimal CPU Unit Write Service Code 10 Hex Fffe Error code Data cleared Hex 171 Operation Status CPU Unit Status Read Service Code 40 HexClass ID command Always 002F Hex 173 Byte Data Read Service Code 1C Hex Hexadecimal as shown in the following table Areas for the PC you are usingTo read the data is specified in hexadecimal as shown below Data will be read to the high word Data from is specified in hexadecimal as shown below Word Data Read Service Code 1D HexSpecified in hexadecimal as shown in the following table Mal Byte Data Write Service Code 1E HexYou are using Instance ID Hex CPU Unit memory area Word range For write Word Data Write Service Code 1F HexData areas for the PC you are using Data is written is specified in hexadecimal as shown below Other Functions Connecting to the CX-Programmer via the DeviceNet Use the Configurator to set the message monitoring timer Setting the Message Monitoring Timer of the DeviceNet UnitSetting the Message Monitoring Timer 184 Response when Using the CX-Programmer via the DeviceNet Memory Card Backup Functions Outline of Functions Backing Up Unit Setup FilesRestoring Unit Setup Files File Names Saving Files from Configurator to Memory Card Communications Timing Communications Cycle Time Remote I/O Communications CharacteristicsCommunications Cycle Time and Refresh Time Communications Time/Slave Refresh Time 2 I/O Response TimeMaximum I/O Response Time Slaves with More Than 8 Bytes of Input or Out put Time PC Cycle Time Communications Cycle Minimum I/O Response Time More than One Master in Network System Startup Time Case Slave’s indicator statusMaster Function Tions start up Message Communications Time Message CommunicationsSlave Function Message Communications Only No Remote I/O Communications Request from One Client Byte Data Read Calculating the Maximum Message Response Time 198 Troubleshooting and Maintenance Indicator status Network/Unit status Comments Segment Troubleshooting with the DeviceNet Unit IndicatorsDetermining Operating Status from the Indicators Error cate Indicators Gory Log Segment Hex Troubleshooting Errors Occurring in the DeviceNet Unit Master Errors Use slaves with input and output areas of 200 bytes max Segment MS indicator NS indicator Error log HexSet the slaves’ node addresses again Inspect the slave and then create the scan list again 205 Check the following Unit Status Error Software Switch Setting ErrorsCPU Unit Status Error Incorrect Setting Network ErrorsMultiple Switches on Network Power Error Node Address Duplication Error Transmission Timeout ErrorMaster’s node address is also set on another node 0342 Message Monitoring Timer List Logic Error Likely Cause Memory Access ErrorsBus Off Detected Bus Off condition was detected 211 Memory Access Error Reset the master scan list Unit Number duplication CPU Unit Exchange ErrorsCPU Unit Faulty H2 CPU Unit Memory Faulty CPU Unit Faulty H6CPU Unit Faulty Hb Table Not Registered Refresh Error Routing Table Logic ErrorThere is an error in the contents of the routing table Inspect the CPU Unit’s operating environment Likely Cause CPU Unit Watchdog Timer ErrorAn error occurred in the CPU Unit CPU Unit Fatal Error Output OFF Error Slave ErrorsReplace the CPU Unit Output OFF Bit A50015 was turned on in the CPU Unit Error Log Table Error Log FunctionsUnit Errors Special Unit Error Monitored and the data cannot be saved Error Codes and Detail CodesTime Information Unit, the time stamp will contain all zeroes 220 221 CPU Unit’s ERR/ALM Indicator Lit or Flashing TroubleshootingRemote I/O Communications Disabled Error Probable cause Use the following table to troubleshoot I/O Link problems 3 I/O Link Problems Use the following table to troubleshoot scan list problems Communications Error Operation SettingsTinuing/stopping communications for errors Inspection Maintenance and ReplacementCleaning Replacing Faulty Units Creating a New Network File Unit No. Set on rotary switches on front panel 0 to Software SwitchesAllocation Differences from C200H DeviceNet Master Units Word address Bit Master Status Area Status AreasDeviceNet Unit DRM21 status C200HX Unit Unit Mas C200HX Unit Unit Mas Word Series Appendix a Registered Slave Table Communications Cycle Time Present ValueCS1W CJ1W Normal Slave Table Replacing Ladder Programs from C200HW-DRM21-V1Bit CS/CJ Series CS/CJ Series C200HS Replace the addresses as shown in the following table Message Communications in Ladder ProgramsArea type C200HW-DRM21-V1 This Unit CS1W Remarks Instructions C200HW-DRM21-V1 This Unit CS1W Remarks DeviceNet Connections Connection Characteristics Setting Connection Type Connections Using AllocationsUser-set allocations Using Configurator Allocation method Contents Connection Path Fixed Allocation or User-set Allocations Using DMConnection path settings cannot be made Master COS Send Switch 239 Resets restarts the DeviceNet Unit ResetResets the DeviceNet Unit There are no responses for this command Reads the internal status of the DeviceNet Unit Baud rateSpace Echoback Test Test Data Command, Response Reads the error history saved in the DeviceNet Unit Read Error History Error History Clear Appendix C Appendix D Outline of Functions Backing Up Unit Setup FilesRestoring Unit Setup Files File Names Saving Files from Configurator to Memory Card Multi-vendor Applications Connecting another Company’s Slaves to an Omron MasterConnecting an Omron Slave to another Company’s Configurator Master Unit Device Profile ID content Get read Set write ValueObject Mounting Identity Object 01 Hex DeviceNet Object 03 Hex Appendix EConnection Object 05 Hex MAC ID Section Information Max. No. of instances ID content Get Set Value Read Write Number of output bytes used by Slave 256 ACK Format Transport class trigger PC Object 2F HexCommunications type Instance type TIM/CNT DeviceNet service Parameter option PC area Refresh area type Refresh address Explicit Message Send When the explicit message execution failed or timed outCommand Command code Appendix F Index Index 265 266 Cat. No. W380-E1-2 Revision History