Communications Timing | Omron CJ1W-DRM21, CS1W-DRM21 guide

SECTION 8

Communications Timing

This section describes the time required for remote I/O communications and message communications.

8-1	Remote I/O Communications Characteristics		190
	8-1-1 Communications Cycle Time and Refresh Time		190
	8-1-2	I/O Response Time	192
	8-1-3 More than One Master in Network		194
	8-1-4	System Startup Time	195
8-2	Message Communications		196
	8-2-1	Message Communications Time	196
	8-2-2	Calculating the Maximum Message Response Time	197

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Omron CJ1W-DRM21, CS1W-DRM21 operation manual Communications Timing

Contents

Revised July Page To the user Moderate injury, or property damageWord and is abbreviated Wd in documentation in this sense Thing else  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 Safety Precautions General PrecautionsIntended Audience Operating Environment Precautions Operating Environment Precautions Application Precautions Application Precautions Conformance to EC Directives Conformance to EC DirectivesApplicable Directives Concepts Xvii Section Section Overview of DeviceNet Master Features DeviceNet Master Units and DeviceNet Units Overall System ConfigurationVME Master Boards Remote Adapters Configurator FeaturesSlave Features Terminals Environment-resistant Terminals Multiple I/O TERMINALs Temperature Input TerminalsC200H I/O Link Units RS-232C Units C200HX/HG/HE Master Model Without Configurator With ConfiguratorApplicable Units and DeviceNet Functions Remote I/O Master CIO, DM, EM, AR, LR, T/C Remote I/O Slave only Units Mounted in a PCC200HX/HG/HE CQM1H CQM1-DRT21 CS1W-DRM21 CIO, WR, DM, EM, HR Master model Model Capacity Message CommunicationsCommunications Instructions Master Unit model Send Receive Masters Communications Software Switches and Communications StatusTypes of Slave Name Appearance Points Model number Remarks DRT1-TS04P DRT1-HD16SDRT1-ND16S DRT1-TS04T DRT1-ID08CL-1 DRT1-ID04CLDRT1-ID04CL-1 DRT1-ID08CL Tion Number Supply Input Output Voltage Multiple I/O Terminal Units GT1-TS04P GT1-AD08MXGT1-DA04MX GT1-TS04T DeviceNet Configurator DeviceNet Unit Features User-set allocations Without the ConfiguratorExplicit Message Communications Fins Message Communications Tions. The maximum I/O for the slave function is 100 words Configurator ConnectionThrough a Serial Line Slave PCs Ver .1 or Later CX-ProgrammerProgramming Monitoring of DeviceNet Refer to 4-1 Master Remote I/O Communications for details 500 m Various ConnectionMethods Maximum Network Length DeviceNet Unit SpecificationsGeneral Specifications Functional and Performance Specifications 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 CS/CJ-series PC Comparison with Previous ModelsC200HW-DRM21-V1 Comparison with Previous Models Using the Configurator 300 words total for Eeprom Model Contents Personal Computer Outline of the ConfiguratorModels Configurator Specifications With no allocation area duplication Network Installation Procedure Basic Operating ProceduresHardware Preparations for Communications Communications Creating Routing TablesSysmac Link Unit, Controller Link Unit, and Ethernet Unit Tions to be used, as shown in the table below Fixed Allocations Procedures Prior to Starting CommunicationsUsing the Master Function User-set Allocations Using Allocated DM Area Words 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 Indi Color Status Meaning likely errors Status Indicators MS and NSOFF Status Display Seven-Segment DisplaySeven-segment Digits Following table shows the functions of the 7-segment digits Unit No. Switch Switch SettingsDot Indicators Following table shows the functions of the dot indicators Baud Rate DIP Switch Continue/Stop Remote I/O Communications Installing the DeviceNet UnitSystem Configuration Precautions Connectors CS-series, up to 16 Units can be mounted to the CS1W-BC MountingCS-series Carefully align the connectors to mount the DeviceNet Unit Handling PrecautionsCJ-series Remove the label after wiring External Dimensions Allocated CIO and DM Words Overview of Word Allocations Allocated DM Area Words Allocated CIO Area WordsUnit number Allocated words Allocated CIO Area Words Software Switches 1 Word n OFF→ Mas Scan Unit Ter List Oper Func Sta Ating Tion Tus ModeUnit status area 2 word n+11 Master Status 1 word n+12 Word n n = CIO 1,500 + 25 x unit number List Oper Func Sta Ating Tion Tus Mas A C2 error will be displayed on Mode Alloca Tions Slave Unit Func Oper Tion Ating Mode Reserved By system Software Switches 2 Word n+1Word n+1 n = CIO 1,500 + 25 x unit number 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 Master I/O Allocation Status Master Status 2 Word n+13Code Details Word n+14 n = CIO 1,500 + 25 x unit number Slave Status 1 Word n+14 Tions Flag for Ter OUT 2/IN Master Node Addresses List EnabledSlave Status 2 Word n+15 Registered Slave Table Words n+16 to n+19 ON/OFF 13 C200H Master Replacement Master Status 1 Word n+24Normal Slave Table Words n+20 to n+23 Word n+24 n = CIO 1,500 + 25 x unit number Unit Structure Allocated DM Area Words Communications Cycle Time Setup Table Master User Allocations Setup Table Areas and Word Ranges Enabled before you set these valuesCode Name Word range Setting Results Allocation Size Setup TableCode Description Details Setting Example Slave User Allocations Setup Table Word Master User-set Allocations Reference Table Communications Cycle Time Reference TableRanges Slave User-set Allocations Reference Table Slave Detailed Status Figuration Slave with the scan list disabled Error Flags COS Remote I/O Master Communications Allocations Master Remote I/O CommunicationsMaster Communications Allocations Table Using the Master UserFixed Allocations User-set Allocations Section Slave alloca Fixed allo Remote I/O Master Specifications Numbers of Master Units when DeviceNet Units are used Precautions on the Number of Master UnitsPattern One Master Unit Multiple Master Units connected User-set Remote I/O Allocations Using DM Area Settings Procedure for Using Remote I/O MasterFixed Allocations for Remote I/O User-set Remote I/O Allocations Using the Configurator Scan List Scan List Contents Shown below Scan List Enabled and Scan List DisabledThrough the allocated DM Through the Configurator Creating the Scan List Backing Up the Scan List Use a Software Switch to select the allocation areaFixed Allocations Allocated Words Select Fixed ProcedurePlace the CPU Unit in Program mode Turn on Master Enable Switch Fixed Allocations Area 104 Fixed Allocations Example Changing System ComponentsNode address Outputs Inputs Product Resulting Slave Allocation Enable SwitchTurn on the Scan List User-set Allocations Methods User-set Allocations 108 Setting the Allocation Size Setup Table Procedure Turn on the Master Enable SwitchSetting the Master User Allocations Table First word for the Allocation Size Setup Table Turn on the Slave User Allocations Switch Changing System Components Multiple masters cannot share the same slaveMaster User Allocations Table Turning on the Master User Allocations Switch Allocation Size Setup TableResulting Slave Allocations 113 Same node address cannot be allocated more than once Procedure Step Example of User-set Allocations Using the Configurator Stopping Remote I/O Communications Starting and Stopping Remote I/O CommunicationsExample of Ladder Programming for Remote I/O Communications Starting Remote I/O Communications Example of Ladder Programming for Remote I/O Communications Following errors may occur during remote I/O communications Errors that May Occur in Remote I/O CommunicationsCondition Error Details Results Indicators Segment Display Condition Error Details Results Indicators Remote I/O Slave Communications Allocation Methods Slave Remote I/O CommunicationsSlave Communications Procedures for Using Remote I/O Slave Communications Remote I/O and Slave Communications Specifications 124 Turn on the Slave Stop SlaveSelect a Fixed Allocation Area Fixed Allocation Area Slave User Allocations Table Connection TypesStop Slave Communications Set the Slave User Allocations Table Turn on the Slave Enable Switch Turn on the Slave User Allocations Switch word n+1, bitAreas and Word Ranges for the OUT 1/IN 1 Areas Slave areas Configuration Setting throughBlock Specified connection OUT 1 area 2 area Type Connection Types and Allocated I/O Areas Message Communications Fins messages Explicit messages OverviewOutline of Message Communications OverviewSection Nodes masters and/or slaves that support Fins messages Type of Fins message Data send/receive Fins commandsFins Message Communications Overall Structure Master Unit To send Any Fins CommandUnit Series DeviceNet Instructions Sending Fins Message Communications Explicit Message CommunicationsReceiving Fins Message Communications Sages Message Communications Specifications Message Communications Error Indications Message Communications Errors Message Monitoring Timer Indicators Fins Commands and ResponsesFins Communications Response Codes Sending/Receiving Fins Command/ResponsesCommand Codes Are required follow the command code Units Supporting Fins Communications Fins Command ListsCommands Addressed to CS/CJ-series CPU Units Function Name Command Code Clock Read Clock Write Function Name CommandError Clear Error LOG Read Error LOG Clear Forced SET/RESET Forced SET/RESET Cancel Command to Send Explicit DeviceNet Messages Using Fins Message CommunicationsSetting Node Addresses Commands Addressed to DeviceNet Units Example Routing TablesRelay network table, as described below Local Network Tables Lowed on the way to the final network Procedure for Creating the Routing TableTable is created Relay Network Tables DeviceNet networks Data Send/Receive InstructionsDescription Control Data Indicates a Unit as shown in the following table Unit Setting Operating mode, and perform other functions at other nodes Sending Fins CommandsResponse beginning at word D Using SEND090, RECV098, and CMND490 Communications Flags Type Name Address Content Word BitCommunications Flag Operation Send/Receive Data Areas Following tableCommunications Instructions Completion Codes Timing of Reading Responses Operation Example 1 Sending Data Using SendCommand Details Programming Examples Bset Program Example Example 2 Sending a Fins Command Using Cmnd Example Program Connecting Networks for Fins Communications Sending Explicit Messages Sending Explicit Messages Normal Response Fins Command Explicit Message Send 28Command Block Response Block Error Responses Sending Explicit Messages Using CMND490 162 Following command is used Cmnd S D C Example Sending Explicit Messages Using CMND490Vendor code is read from a Slave Omron vendor code 002F Hex Response Receiving Explicit Messages ITOR, RUN List of PLC Object ServicesPLC Objects provide the following services Status Read/Write for CPU Units Memory Read/Write for CPU Units Service Class ID Instance ID Request Contents Code Data Hexadecimal CPU Information Read Service Code 0E HexCommand Block Attribute ID Hex Contents Attribute value size CPU Unit Write Service Code 10 Hex Fffe Error code Data cleared Hex 171 Class ID command Always 002F Hex CPU Unit Status Read Service Code 40 HexOperation Status 173 Byte Data Read Service Code 1C Hex Data will be read to the high word Areas for the PC you are usingHexadecimal as shown in the following table To read the data is specified in hexadecimal as shown below Specified in hexadecimal as shown in the following table Word Data Read Service Code 1D HexData from is specified in hexadecimal as shown below You are using Byte Data Write Service Code 1E HexMal Data areas for the PC you are using Word Data Write Service Code 1F HexInstance ID Hex CPU Unit memory area Word range For write Data is written is specified in hexadecimal as shown below Other Functions Connecting to the CX-Programmer via the DeviceNet Monitoring Timer Setting the Message Monitoring Timer of the DeviceNet UnitUse the Configurator to set the message monitoring timer Setting the Message 184 Response when Using the CX-Programmer via the DeviceNet Memory Card Backup Functions Restoring Unit Setup Files Backing Up Unit Setup FilesOutline of Functions File Names Saving Files from Configurator to Memory Card Communications Timing Communications Cycle Time and Refresh Time Remote I/O Communications CharacteristicsCommunications Cycle Time Communications Time/Slave Slaves with More Than 8 Bytes of Input or Out put 2 I/O Response TimeRefresh Time Maximum I/O Response Time Time PC Cycle Time Communications Cycle Minimum I/O Response Time More than One Master in Network Tions start up Case Slave’s indicator statusSystem Startup Time Master Function Message Communications Only No Remote I/O Communications Message CommunicationsMessage Communications Time Slave Function Request from One Client Byte Data Read Calculating the Maximum Message Response Time 198 Troubleshooting and Maintenance Determining Operating Status from the Indicators Troubleshooting with the DeviceNet Unit IndicatorsIndicator status Network/Unit status Comments Segment Error cate Indicators Gory Log Segment Hex Troubleshooting Errors Occurring in the DeviceNet Unit Master Errors Set the slaves’ node addresses again Segment MS indicator NS indicator Error log HexUse slaves with input and output areas of 200 bytes max Inspect the slave and then create the scan list again 205 Check the following CPU Unit Status Error Software Switch Setting ErrorsUnit Status Error Network Power Error Network ErrorsIncorrect Setting Multiple Switches on 0342 Transmission Timeout ErrorNode Address Duplication Error Master’s node address is also set on another node Bus Off condition was detected Memory Access ErrorsMessage Monitoring Timer List Logic Error Likely Cause Bus Off Detected 211 Memory Access Error Reset the master scan list CPU Unit Faulty H2 CPU Unit Exchange ErrorsUnit Number duplication Table Not Registered CPU Unit Faulty H6CPU Unit Memory Faulty CPU Unit Faulty Hb There is an error in the contents of the routing table Routing Table Logic ErrorRefresh Error An error occurred in the CPU Unit Likely Cause CPU Unit Watchdog Timer ErrorInspect the CPU Unit’s operating environment Output OFF Bit A50015 was turned on in the CPU Unit Slave ErrorsCPU Unit Fatal Error Output OFF Error Replace the CPU Unit Special Unit Error Error Log FunctionsError Log Table Unit Errors Unit, the time stamp will contain all zeroes Error Codes and Detail CodesMonitored and the data cannot be saved Time Information 220 221 Error Probable cause TroubleshootingCPU Unit’s ERR/ALM Indicator Lit or Flashing Remote I/O Communications Disabled Use the following table to troubleshoot I/O Link problems 3 I/O Link Problems Tinuing/stopping communications for errors Communications Error Operation SettingsUse the following table to troubleshoot scan list problems Cleaning Maintenance and ReplacementInspection Replacing Faulty Units Creating a New Network File Word address Bit Software SwitchesUnit No. Set on rotary switches on front panel 0 to Allocation Differences from C200H DeviceNet Master Units C200HX Unit Unit Mas Status AreasMaster Status Area DeviceNet Unit DRM21 status C200HX Unit Unit Mas Word Series Appendix a CJ1W Communications Cycle Time Present ValueRegistered Slave Table CS1W CS/CJ Series C200HS Replacing Ladder Programs from C200HW-DRM21-V1Normal Slave Table Bit CS/CJ Series Instructions C200HW-DRM21-V1 This Unit CS1W Remarks Message Communications in Ladder ProgramsReplace the addresses as shown in the following table Area type C200HW-DRM21-V1 This Unit CS1W Remarks DeviceNet Connections Connection Characteristics Allocation method Contents Connections Using AllocationsSetting Connection Type User-set allocations Using Configurator Connection path settings cannot be made Fixed Allocation or User-set Allocations Using DMConnection Path Master COS Send Switch 239 There are no responses for this command ResetResets restarts the DeviceNet Unit Resets the DeviceNet Unit Space Baud rateReads the internal status of the DeviceNet Unit 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 Restoring Unit Setup Files Backing Up Unit Setup FilesOutline of Functions File Names Saving Files from Configurator to Memory Card Connecting an Omron Slave to another Company’s Configurator Connecting another Company’s Slaves to an Omron MasterMulti-vendor Applications Identity Object 01 Hex ID content Get read Set write ValueMaster Unit Device Profile Object Mounting MAC ID Appendix EDeviceNet Object 03 Hex Connection Object 05 Hex Section Information Max. No. of instances ID content Get Set Value Read Write Number of output bytes used by Slave 256 ACK Communications type Instance type PC Object 2F HexFormat Transport class trigger TIM/CNT DeviceNet service Parameter option PC area Refresh area type Refresh address Command Command code When the explicit message execution failed or timed outExplicit Message Send Appendix F Index Index 265 266 Cat. No. W380-E1-2 Revision History