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Omron CVM1-CLK21, CS1W-RPT01, CJ1W-CLK21-V1, C200HW-CLK21 Troubleshooting with Status Flags

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

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Page 324

Status Area and Troubleshooting

Section 9-2

Data Link Status: First Data Link Status Word + 0 to + 15

Node	2	Node	1
Node	4	Node	3
Node	6	Node	5
Node	8	Node	7
Node	10	Node	9
Node	12	Node	11
Node	14	Node	13
Node	16	Node	15
Node	18	Node	17
Node	20	Node	19
Node	22	Node	21
Node	24	Node	23
Node	26	Node	25
Node	28	Node	27
Node	30	Node	29
Node	32	Node	31

PLC status

0:Inactive (user program not running)

1:Active (user program running)

PLC's CPU Unit error

0:Normal

1:Error

Communications error (data link reception)

0:Normal

1:Error

Data link participation

0:Not in data link or data link inactive

1:In data link

			Offset error	Error: Offset exceeds
			Offset error	Error: Offset exceeds
			0: Normal	number of send words.
			1: Error
	Insufficient (short) receive area Insufficient: Receive
	Insufficient (short) receive area Insufficient: Receive
	0: Sufficient			area is smaller than
	1: Insufficient			send area. Excess data
				is truncated; other data
				is received.
Remaining receive area				Remaining: Receive
0: Not remaining				area is larger than send
1: Remaining				area. Data is received
				and remaining words
				are cleared.

Note Refer to 5-4 Checking Data Link Status for details on status flags.

Troubleshooting with Status Flags

Data Link Status

Bit status	Probable cause	Probable remedy

PLC’s CPU Unit error is 1:	A fatal PLC error, non-fatal	Refer to the PLC’s opera-
ON	PLC error, or a watchdog	tion manual and correct
	timer error has occurred.	the error. If the error occurs
		again, replace the PLC.

	The Unit is mounted to a	Refer to 1-2-4 Controller
	non-compatible PLC.	Link Unit Models and PLCs
		and mount onto the correct
		PLC.

Communications error is 1:	The relevant node is not in	Enter the node in the Net-
ON	the Network.	work.

	A communications error	Conduct an echoback test
	has occurred as a result of	using the Controller Link
	noise.	Support Software and if
		this does not correct the
		error, check the usage
		environment.

	A communications error	Refer to page 276 Trouble-
	has occurred.	shooting with RUN, ERC,
		ERH and INS Indicators
		and troubleshoot accord-
		ingly.

301

Image 324

Omron CVM1-CLK21, CS1W-RPT01 Troubleshooting with Status Flags, Data Link Status First Data Link Status Word + 0 to +

Contents

Controller Link Units Controller Link Units Page Omron Product References  Omron Unit Versions Unit Version Notation on ProductsConfirming Unit Versions with Support Software Using the Unit Version Labels Unit Version NotationFunction Support by Unit Version 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 General Precautions Safety PrecautionsIntended Audience Operating Environment Precautions Operating Environment Precautions Applications Precautions Xxiii Conformance to EC Directives EMC DirectivesLow Voltage Directive Section What Is the Controller Link? Wired SystemOverview Section Branch Wiring Long-distance 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 Message Service Automatic SettingManual Setting Data Links Error Log Or the message service functionStatus Area Features Features of Twisted-pair CableFeatures of Optical Fiber Cable Specifications Compatible with Different Node Configurations Improved Error HandlingFlexible Inter-network Connections Features and Functions of Version-1 Models Total length of wired networks can be extendedDevices can be modularized 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 External Appearance Installation Tables WeightMax No. Units per PLC CS/CJ-series Controller Link Unit Models Unit Ver .2 Pre-Ver .2 Without -V1 suffix SuffixName Model Current consumption Number Per Unit a Units Repeater Units when Required Devices for ConnectionCommunications Cables Relay Terminal Blocks Name Model Remarks Programming Devices Programming Device for the PLCProgramming 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 When Operating on Personal Computer as Peripheral Software When Operating on Personal Computer Connected as a NodeSelection of Communications Functions Software External Model Applicable PLCs Basic Procedures Preparations C200HX/HG/HE and CQM1H-series PLCsCVM1, 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 Automatically Setting Data Links Start the data linksCS/CJ Series Word 0 of DM30000 + 100 ⋅ 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 Message Service Procedure Register routing tables if using inter-network connectionsContents Remarks 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 Installing One Controller Link Unit Installing Two Controller Link UnitsMounting Controller Link Units C200HX/HG/HE PLCs Installing with Another Communications Unit Installing with a PC Card UnitCVM1 and CV-series PLCs CS-series PLCs Expansion CPU Rack CPU Rack CJ-series PLCs Mum current of 4.6 a 5 V and maximum power of 30 W Mounting a Repeater UnitCQM1H-series PLCs Screw-mounting a Repeater Unit Mounting a Repeater Unit on DIN TrackDIN Track Wiring Communications CablesCommunications Cables End Plate PFP-M 2 Plates required per Repeater Unit Connecting the Shield Line Terminal Block ConnectionsNot 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 Power Supply Wiring Mark Signal name Line colorRepeater Units Power Supply Specifications Laying Optical Cable CS1W-RPT02/03 Only Mounting bracket Tension member Terminal Name Specifications Model Name Model SpecificationsOptical Bus or Optical Ring System H-PCF Cable Optical Fiber Cables Indoor Use Only Optical Fiber Cables with Connectors Indoor Use Only Optical Fiber Cable AccessoriesSpecifications Length Model Name Model Specifications Manufacturer CS1W-RPT03 GI Optical Fiber Cables 50/125 ∝m AGF CableMinimum Standard Maximum Unit Conditions Connectors Constructing Networks with Repeater Units62.5/125 ∝m AGF Cable Specifications within Remarks Each segment Segments Branch Wiring 2-stage Repeater Unit Connection Number of Repeater UnitsExamples of Correct Repeater Unit Connections Long-distance Wiring 2-stage Repeater Unit Connection Examples of Incorrect Repeater Unit ConnectionsPartial Optical Conversion 2-stage Repeater Unit Connection More than 2 Stages of Repeater Units Branch Wiring Long-distance WiringTerminating Resistance Partial Conversion to Optical Fiber Section Preparations for Communications CS-series Controller Link Units OverviewUnit Number Node Addresses Pins Baud rate Maximum Transmission distance Baud Rates Default setting is 2 Mbps, 500 m Bottom switch Terminating resistanceCJ-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 Baud Rate and Operating Level Always leave pin 3 OFFOperating Level Baud Rate Pins 1 Setting the OperatingBaud Rates and Operating Levels Level Pin Pin Operating level Node Setting Baud Rates Always keep pins 3 and 4 set to OFFCVM1 and CV-series Controller Link Units Node Addresses Unit Set the following pins for the baud rate setting DIP switch Switch Baud rate Maximum Transmission distance PinSwitch at the front Terminating resistance Setting Baud Rate Switch Terminating Nodes ResistanceCQM1H-series Controller Link Units Pin Sion dis Tance 101 Repeater Units Wire-to-Wire Repeater Unit Wire-to RepeaterTerminating Resistance Switch for SL1 Terminating Resistance Switch for SL2 Switch Terminating resistance Data Links Manually Setting Data Links What Are Data Links?CS/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 Data Link Specifications Communications error type Data link areaDescription 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 Data Link Table Specifications Setting item Setting rangeTransferring from a Computer Node 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 Precautions Data link start word 1 + Total number of send/receiveWords in area ≤ 247 IR Area W307 for information on the Controller Link Support Board Manual Setting Examples Device Information SettingsSAMPLE1.CLK Same Allocation to All Nodes 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 Automatic Setting, 1N AllocationsBetween 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 Automatic Setting Example Settings for Equality LayoutLink areas that are created as a result DM Parameter Area DM Parameter Setting Example for 1N Allocation, Common Type Data Link Areas Created Starting and Stopping Data Links Data Link AreasManually Set Data Links Automatically Set Data Links Using a Programming Device or the User Program CS/CJ-series Start BitC200HX/HG/HE Start Bit Using Fins Commands LED Indicators Check the Link and M/A indicators on the front of the unitName Color Status Contents Checking Data Link Status 157 Following shows an example of a remaining receive area Name Function Data Link Status Storage Format CS/CJ Series Only Data link status storage area is set as followsOnly status for nodes 1 to 6 are saved Matic settings SpecificationChecking by Manipulating Bit/Word Status Error Detection Program Example Programming Examples for Processing Data when Errors OccurProcessing 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 Com TentsPuter Or CV Read/write Message Service Specifications Using the Message Service Name Address Contents Word BitSEND/RECV Flags Name Operating Address Contents Level Name Address ContentsNetwork Status CVM1, and CV-series PLCs Word Bits Contents SEND/RECV Flag OperationsCommunications Instruction Response Codes Example C200HX/HG/HE CQM1H-series PLCResponse Codes 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 Commands and Responses Fins Communications ServiceSending and Receiving Fins Commands and Responses Applicable Units for Fins Commands Command CodesAny parameters must follow the command code Execution result Commands and Responses for Controller Link Units Command CodesCommand Block Response Block Response Block For C200HX/HG/HE, CVM1, and CV-series PLCs For CS/CJ-series and CQM1H-series PLCsParameters Model Wired/Optical response Reads the Controller Link Unit’s controller statusUnit. Always set to 00 Hex 204 Network Status Read Corresponding to the node address 0 0 0 0 Default value 32 nodes Reads the data link operational statusIfied as a 2-byte 4-digit hexadecimal number as follows Hex 32 nodes 208 Data that was sent by the command One was sent is returned Reads the PLC’s error log Broadcasts test data to all nodes in a specified networkHexadecimal decimal 0 to 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 Specified for CQM1H-series PLCs Word/Bit AddressesEach word/bit address specifies a specific bit or word Memory Area Code Data Configuration Word Contents or PV Two BytesParameters Memory area code command The data area to read Flag or Bit Status One Byte Parameters Memory area code command The data area to write Memory AreasMemory area Data No. Code Bytes Sequence starting from the beginning address Memory area designations Program Area Write Data command The data to be written 02 Hex Monitor mode 04 Hex RUN mode8 RUN Stop Area data response As follows Meaning Unit Hex Command Block Response Block Reads the status of the Controller0 0 Clock Read Value Day Parameters Error reset code command Set to Ffff Hex Parameters Range Value Function Memory area Data Response Designations for memory area designationsArea Data type Memory area Number Code Bytes Configuration Response CodesIR, SR, LR, HR, and AR Areas Network Relay Errors Relay Errors Response Codes and Troubleshooting To some cause such as a routing table errorCPU Unit Exist 228 229 230 231 232 Network Interconnections What is Network Interconnection? Interconnecting Controller Link NetworksInterconnecting Different Types of Networks 235 Remote Programming and Monitoring Local NetworksSysmac Support Software and CV Support Software Remote Controller Link Networks Sysmac Support Software or CV Support Software Other Remote Networks CX-Programmer Programming Device Routing Tables Creating Routing TablesAppropriate Unit according to the routing tables Local Network Table Setting Routing Tables CreatedRelay Network Table Network end network not directly connected to the local PLC Routing Table Setting Procedure Editing Local Network TablesLocal network Editing Relay Network Tables Saving Routing Tables Connecting to the PLC Routing Table Enable Bit C200HX/HG/HE and CQM1H-series OnlyTransferring Routing Tables 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 Network parameter Setting Default Range Value Communications Cycle TimeSpecifying Network Parameters Active Data Links Instruction When sent When received Inactive Data LinksCalculation Example Communications conditions are as follows Being issued Data Link I/O Response TimeData Exchange Timing Bytes Synchronous Mode Data Processing TimeUnder Asynchronous 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 Message Delay Times 1 CS/CJ-series, CVM1, and CV-series PLCsData Processing Time see Data Transmission Time Link Service Processing Source and Destination Nodes Transmission Delay TimeLink Servicing Interval Source and Destination Nodes Transmission Processing That transmits event frames before the Send command is sent Maximum Delay TimeReception Processing Number of words transferred ⋅ 0.00075 + 1.3 ms 268 269 2 C200HX/HG/HE and CQM1H-series PLCs SEND90Responses Number of words transferred ⋅ 0.00125 ms + 3 ms Responses Number of words transferred ⋅ 0.00125 ms + 2.3 ms RECV98 Instruction 272 273 274 Troubleshooting and Maintenance Troubleshooting Using Indicators Troubleshooting with RUN, ERC, ERH and INS Indicators1 CS/CJ-series Controller Link Units CS-series Unit 277 278 Troubleshooting with LNK and M/A Indicators Using the following tableData Link Cannot be Started Troubleshooting of Other Errors Node Cannot ParticipateData Link 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 Status Area and Troubleshooting Troubleshooting with the PWR IndicatorTroubleshooting with the T/R1 and T/R2 Indicators Error Information CIO 1500 + 25 x Unit No Status Area 294 Bit Status and Error Processing Data Link StatusBit 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 Duplicate Operating Levels/Refresh Error AR Routing Table Error/Unit Restart Bits ARService Time AR 16, AR 2 C200HX/HG/HE Controller Link Units Polling Node Address, Startup Node Address SR 238, SR Data Link Status SR 239 to SR 241, SR 243 to 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 Polling Node Address, Startup Node Address IR Network Participation Status IR 192 and IRLocal Data Link Participation Status IR Data Link Status IR 91 to IR 310 311 Routing Tabless and reset Terminating Resistance Status IR Error Log Error Log TableError Log Table Configuration Error Codes Tents of the errorsTime Information 1st byte 2nd byte 315 Command block Response block 317 318 319 Reading and Clearing Error Logs Error StatusReading an Error Log Clearing an Error Log Example Display of Error List Error message Troubleshooting 322 Cleaning and Inspection CleaningInspection Tools and Equipment Need for Inspection Handling Precautions Replacing the UnitBit address Unit Word Unit Setting the Unit after Replacement Resetting Network Parameters 326 Using the Controller Link Support Software Not Using the Controller Link Support softwareC200HX/HG/HE and CQM1H-series Controller Link Units 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 Adding Nodes Using a Repeater Unit Example of Adding Nodes Using a T-branch LineExample 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 Operations when Changing Data Link Tables Changing the Data Link Tables with Active Data LinksExample of Changing Data Link Table with Active Data Links Model Remarks 337 Procedure 339 340 341 342 Standard Models Controller Link Units Controller Link Support BoardController Link Support Software Communications Cables Twisted-pair Cables CX-Programmer with CX-Net CPU Units and Programming DevicesCPU Units Applicable Name Model number Applicable PLCs Computer Other Products Used with Controller Link Units Page Memory Areas CS/CJ-series PLCsAuxiliary Area CS/CJ CPU Bus Unit Duplication Error Flag CS/CJ CPU Bus Unit Error, Unit Number FlagsError Information CIO 1500 + 25 ⋅ Unit No. See 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 C200HX/HG/HE PLCs SR AreaCommunications Instruction Response Codes SR 237 See Duplicate Operating Levels/Refresh Error AR 00 See Routing Table Error/Unit Restart Bits AR 01 SeeAR Area 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 Word Bits Name Contents CQM1H-series PLCsData Link Start Bit AR 07 See Local Data Link Participation Status IR 90 See Data Link Status IR 91 to IR 93 See pages 156Terminating 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