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Revision History

A manual revision code appears as a suffix to the catalog number on the front cover of the manual.

The following table outlines the changes made to the manual during each revision. Page numbers refer to the
previous version.

Revision code

Date

Revised content

July 2004

Original production

Cat. No. W434-E1-01

Revision code

Summary of Contents for CVM1 Series

Page 1: ...Cat No W434 E1 01 SYSMAC CVM1 CV Series CVM1 LK401 PC Link Unit This manual is PDF file only...

Page 2: ...CVM1 LK401 PC Link Unit Operation Manual Produced July 2004...

Page 3: ...iv...

Page 4: ...se The abbreviation PLC means Programmable Controller PC is used however in some Program ming Device displays to mean Programmable Controller PC is also used in PC Link to maintain consistency with pr...

Page 5: ...vi...

Page 6: ...4 Cable Length and Terminating Resistance Settings 17 2 5 Data Areas for PC Link Systems 20 2 6 Differences from Earlier PC Link Units 25 SECTION 3 Replacing an Existing PC Link System 27 3 1 Replaci...

Page 7: ...viii TABLE OF CONTENTS Appendices A Standard Models 73 B Link Adapter Specifications 75 C PC Link System I O Response Time 81 D PC Link Settings and Status Areas 87 Revision History 89...

Page 8: ...ra tions Section 2 provides specifications of the PC Link Unit and describes the main components Section 3 provides step by step procedures to follow when replacing earlier PC Link Units with the C500...

Page 9: ...Installation Guide Specifications installation methods and handling methods for CVM1 CV500 CV1000 and CV2000 PLCs W202 CVM1 CV500 CV1000 and CV2000 CVM1 CV Series Operation Manual Ladder Diagrams Ladd...

Page 10: ...e Programmable Controller in general You must read this section and understand the information contained before attempting to set up or operate a PC Link System 1 Intended Audience xii 2 General Preca...

Page 11: ...ety equipment and other systems machines and equip ment that may have a serious influence on lives and property if used improperly consult your OMRON representative Make sure that the ratings and perf...

Page 12: ...alarm FALS instruction is executed As a countermeasure for such errors external safety measures must be provided to ensure safety in the system The PLC outputs may remain ON or OFF due to deposits on...

Page 13: ...ower lines Caution The operating environment of the PLC System can have a large effect on the longevity and reliability of the system Improper operating environments can lead to malfunction failure an...

Page 14: ...ing ra dius Do not pull on the communications cables Do not place objects on top of the communications cables Always lay communications cable inside ducts Double check all wiring and switch settings b...

Page 15: ...ty EN61131 2 EMI Electromagnetic Interference EN61000 6 4 Radiated emission 10 m regulations Low Voltage Directive Always ensure that devices operating at voltages of 50 to 1 000 V AC and 75 to 1 500...

Page 16: ...on describes the capabilities of the PC Link System and provides example system configurations 1 1 Features of the PC Link System 2 1 2 System Configuration 4 1 2 1 Single level and Multi level System...

Page 17: ...ries and CS series PLCs words CIO 1000 to CIO 1063 are allocated as the LR Area In the C series PLCs words LR 00 to LR 63 are used as the LR Area In the C500 the area is LR 00 to LR 31 PC Link Unit CV...

Page 18: ...an be connected in the PC Link Multi level Systems PC Link Units can be connected in a level configuration with up to 4 operating levels The operating level structure allows more complex distributed c...

Page 19: ...single level system and up to 64 words of data can be exchanged in the entire system The following table shows the maximum number of PLCs that can be con nected for a given number of LR bits per PLC...

Page 20: ...local node Data transferred from other nodes Data transferred from other nodes CIO 1016 to CIO 1031 CIO 1032 to CIO 1047 CIO 1048 to CIO 1063 CIO 1000 to CIO 1015 CIO 1016 to CIO 1031 CIO 1032 to CIO...

Page 21: ...k Relay Bits The number of Link Relay bits is set in the Unit with node address 0 polling node in each operating level The settings in the other Units polled nodes are ignored The following table show...

Page 22: ...Level 1 C2000H CVM1 C200H C500 C500 C1000H CVM1 CVM1 C1000H C500 C500 CVM1 C200H C2000H 0 Node 0 LR 00 01 0 Node 0 0 Node 1 0 Node 1 1000 1001 0 Node 15 1 Node 0 Indicates the local node s link area C...

Page 23: ...rough optical fiber cable For details on optical fiber cable refer to the C200H LK401 C500 LK009 V1 PC Link System Manual W135 E1 3 For details on Link Adapters refer to Appendix B Link Adapter Specif...

Page 24: ...s of the PC Link Unit and describes the main components 2 1 Specifications 10 2 2 Installing PC Link Units 12 2 3 Component Names and Functions 14 2 4 Cable Length and Terminating Resistance Settings...

Page 25: ...Relay bits per Unit 32 to 512 bits Number of PC Link Units 32 Units max The allowed number of Units depends on the number of LR bits per Unit and the number of operating levels Transmission time 35 ms...

Page 26: ...faces Using Electrical Cables Two wire Half duplex Method When connecting 3 or more PC Link Units a 3G2A9 AL001 Link Adapter is required for each branch A Link Adapter is equipped with 3 connectors Se...

Page 27: ...be a CVM1 CV500 CV1000 CV2000 or CVM1D The PC Link Unit must be mounted in a slot in the CPU Rack or an Expansion CPU Rack that supports CPU Bus Units The PC Link Unit can not be mounted in an Expansi...

Page 28: ...oth single level both multi level link 0 or both multi level link 0 are mounted in the same PLC To be sure that the PC Link operates properly verify that the level settings are correct One PC Link Uni...

Page 29: ...ons error Red Lit A hardware error or node address setting error occurred See note Flashing A link error occurred with the polling node link Local Unit link or Other Unit link Not lit The Unit is comm...

Page 30: ...que node address Do not set the same node address already set on another PC Link Unit in the same operating level If the node address setting is out of range outside of 0 to 31 for single level operat...

Page 31: ...e level operation and one or two Units can be mounted with multi level operation Number of LR Bits The number of LR bits setting and max number of Units in the level is set on the level s polling node...

Page 32: ...e main line and branch lines must not exceed 500 m L1 L2 L3 Ln I1 I2 In 1 500 m The individual branch lines must not exceed 10 m I1 10 m I2 10 m and In 1 10 m Name Function Left side Right side WIRE T...

Page 33: ...Adapters are no longer being manufactured Setting the Terminating Resistance Switch TER Switch The basic structure of the PC Link operating level has a main line with extend ing branch lines The Termi...

Page 34: ...Example Terminator Settings in a Multi level System Terminator ON Level 2 Terminator ON Level 1 Level 3 Terminator ON Terminator ON Terminator ON Terminator ON Terminator OFF Terminator OFF Terminator...

Page 35: ...O 1005 Node 2 Node 1 CIO 1006 CIO 1007 Node 3 CIO 1008 CIO 1009 Node 4 Node 2 Node 1 CIO 1010 CIO 1011 Node 5 CIO 1012 CIO 1013 Node 6 Node 3 CIO 1014 CIO 1015 Node 7 CIO 1016 CIO 1017 Node 8 Node 4 N...

Page 36: ...1009 Node 4 Node 2 Node 1 CIO 1010 CIO 1011 Node 5 CIO 1012 CIO 1013 Node 6 Node 3 CIO 1014 CIO 1015 Node 7 CIO 1016 CIO 1017 Node 8 Node 4 Node 2 Node 1 CIO 1018 CIO 1019 Node 9 CIO 1020 CIO 1021 Nod...

Page 37: ...rating in RUN or MONITOR mode so the flag will be turned OFF if the PLC is in RUN or MONITOR mode and an error occurs A flag status of OFF indicates that the PLC is in PRO GRAM mode or an error has oc...

Page 38: ...us Unit Area and are read only Word in CPU Bus Unit Area Link Bit 07 06 05 04 03 02 01 00 CIO 1500 25 N Link 1 Node 15 Node 14 Node 13 Node 12 Node 11 Node 10 Node 9 Node 8 CIO 1500 25 N 1 Node 7 Node...

Page 39: ...ame rack number two CPU Bus Units are assigned the same unit number or the same words are allocated to more than one Rack or Unit in the PC Setup The unit numbers of the affected CPU Bus Units are ind...

Page 40: ...ired LR Area CIO 1000 to CIO 1063 C200H LR 00 to LR 63 CS Series CIO 1000 to CIO 1063 LR 00 to LR 63 LR 00 to LR 31 Level setting Link number Single level LK009 mode Supported Supported Supported Supp...

Page 41: ...26 Differences from Earlier PC Link Units Section 2 6...

Page 42: ...Link 35 3 3 3 Setting the Number of LR Bits Max Number of PC Link Units 36 3 3 4 Setting the Level Link Number 37 3 3 5 Setting the Transmission Line and Terminating Resistance 38 3 4 Ladder Programmi...

Page 43: ...her CVM1 LK401 Units C200H LK401 Units as well as C500 LK009 V1 Units in multi level mode or single level LK009 mode Depending on the existing models in the system and their level settings it may be n...

Page 44: ...0 LK009 V1 PC Link Units will be used in the C500 C1000H C2000H Racks 1 Mount CVM1 LK401 PC Link Units in the CVM1 CV Series PLCs being added as replacements 2 The remaining C500 LK009 V1 and C200H LK...

Page 45: ...Mount CVM1 LK401 PC Link Units in the CVM1 CV Series PLCs being added as replacements 2 The C500 LK009 V1 PC Link Units can be used without changes 3 Replace the 3G2A5 LK009 PC Link Units with C500 LK...

Page 46: ...me PC Link CVM1 LK401 When set to either multi level mode or single level mode equivalent to single level LK009 mode the CVM1 LK401 can communicate with the CVM1 LK401 C200H LK401 and C500 LK009 V1 Ca...

Page 47: ...LK009 V1 3G2A5 LK009 and 3G2A5 LK003 E Can not communicate with the CVM1 LK401 or C200H LK401 3G2A5 LK009 in Multi level Mode or Single level LK009 Mode Can communicate with the 3G2A5 LK009 and C500...

Page 48: ...0 LK009 V1 3G2A5 LK009 3G2 A5 LK00 3 E CVM1 LK401 PC Link Unit Mode Multi level Sin gle level Multi level LK 009 LK 003 Multi level LK 009 LK 003 Multi level LK 009 LK 003 Multi level LK 009 LK 003 Mu...

Page 49: ...tting the Node Address in the PC Link Number of LR bits setting 3 3 3 Setting the Number of LR Bits Max Number of PC Link Units Operating level Link number setting 3 3 4 Setting the Level Link Number...

Page 50: ...LK009 V1 to check the settings on pins 1 to 5 of the DIP switch node address setting The following table shows the relationship between the pin settings and node address Set that node address on the...

Page 51: ...Units When the PC Link Unit s node address is set to 0 that Unit is the polling node and its Number of LR Bits setting sets the number of LR bits Unit in that PC Link This setting is not required on a...

Page 52: ...Single level mode or single level LK009 mode Multi level mode 6 7 8 0 0 0 32 bits 32 Units max 32 bits 16 Units max 0 0 1 64 bits 16 Units max 64 bits 8 Units max 0 1 0 128 bits 8 Units max 128 bits...

Page 53: ...ting the Transmission Line and Terminating Resistance Set the CVM1 LK401 s Transmission Link Switch to the to the same setting that was set on the switch SW2 on the back of the C500 LK009 V1 Switch Se...

Page 54: ...Set the same node address on the CVM1 LK401 3 If the node address is set to 0 polling node the Number of LR Bits must be set on the Unit Check the Number of LR Bits set on the DIP Switch SW1 on the b...

Page 55: ...1000 1001 Node 0 Node 0 Node 0 Node 0 Node 0 LR 02 LR 03 1002 1003 Node 1 LR 04 LR 05 1004 1005 Node 2 Node 1 LR 06 LR 07 1006 1007 Node 3 LR 08 LR 09 1008 1009 Node 4 Node 2 Node 1 LR 10 LR 11 1010...

Page 56: ...LR 17 1016 1017 Node 8 Node 4 Node 2 Node 1 LR 18 LR 19 1018 1019 Node 9 LR 20 LR 21 1020 1021 Node 10 Node 5 LR 22 LR 23 1022 1023 Node 11 LR 24 LR 25 1024 1025 Node 12 Node 6 Node 3 LR 26 LR 27 1026...

Page 57: ...following table shows the location of the PLC Run Flags and PC Link Error Flags based on the PLC model and PC Link Unit s unit number Example In this example the existing PC Link system is made up of...

Page 58: ...equivalent to SR 250 in the C1000H C2000 H and CIO 1500 25 N 1 CIO 1501 is equivalent to SR 248 Consequently change any ladder program occurrences of SR 248 to CIO 1501 and occur rences of SR 250 to...

Page 59: ...Flags ON while the corresponding CPU Bus Units are initializing Bits 00 to 15 correspond to unit numbers 0 to 15 A401 12 CPU Bus Error Flag ON when an error occurs during the transmission of data ove...

Page 60: ...instructions or the CPU Bus Service Disable Bits in A015 to prevent the words from being changed by peripheral servicing during instruction execution 3 6 Replacement Checklists This section provides a...

Page 61: ...LC One Unit can be mounted with single level operation and two Units can be mounted with multi level operation one set to Link 0 and the other set to Link 1 The following table shows the PC Link Unit...

Page 62: ...ERC RUN ON SW1 1 2 3 4 5 6 7 8 Unit Number Setting Switches Node Address Setting Switches DIP Switch SW1 Terminating Resistance Setting Switch Transmission Line Selector Switch Number of LR bits setti...

Page 63: ...03 E PC LINK LK003 0 1 2 3 4 5 6 7 Front panel DIP Switch ON ON 1 2 3 4 5 6 7 8 1 2 3 4 Pins 1 to 5 Node address setting Pin 1 Terminating Resistance Setting Switch Pins 6 to 8 Number of LR bits setti...

Page 64: ...ON SW3 SW2 1 2 3 4 5 6 7 8 ON ON PC LINK 1 2 3 4 DPS 4 ON Transmission Line Selector Switch Pins 1 to 5 Node address setting Pin 1 Terminating Resistance setting Pins 6 to 8 Number of LR bits setting...

Page 65: ...101 21 00110 6 10110 22 00111 7 10111 23 01000 8 11000 24 01001 9 11001 25 01010 10 11010 26 01011 11 11011 27 01100 12 11100 28 01101 13 11101 29 01110 14 11110 30 01111 15 11111 31 Number of LR Bits...

Page 66: ...Use optical fiber cable 4 left 4 wire Use optical fiber cable Down 2 wire Use electrical cable 2 right 2 wire Use electrical cable Terminating Resistance Check setting on pin 1 of SW3 1 ON 0 OFF TER s...

Page 67: ...XX011 3 00011 3 XX100 4 00100 4 XX101 5 00101 5 XX110 6 00110 6 XX111 7 00111 7 Pins 1 and 2 of the front panel switch are not used and do not affect the node address setting When a C500 PLC is being...

Page 68: ...4 Item Original Unit 3G2A5 LK003 E Replacement Unit C500 LK009 V1 Remarks Item Original Unit 3G2A5 LK009 C500 LK009 V1 Replacement Unit C500 LK009 V1 Remarks Node address Check setting on pins 1 to 5...

Page 69: ...500 LK009 V1 s level link number to single level LK009 mode Pins 3 4 Level Link Number setting Pins 3 4 Level Link Number set ting 11 Single level LK009 11 Single level LK009 10 Single level LK003 10...

Page 70: ...the polling node node 0 in the PC Link The number of LR bits settings on the other nodes polled nodes are ignored When a C500 PLC is replaced with a CVM1 CV series PLC the maximum number of Units is...

Page 71: ...Unit 3G2A5 LK009 C500 LK009 V1 Replacement Unit CVM1 LK401 Remarks CPU Bus Unit unit number Not applicable Any unique number in setting range Do not set the same unit number on two CPU Bus Units in a...

Page 72: ...010 64 bits 8 Units 010 128 bits 8 Units 011 64 bits 8 Units See note 011 256 bits 4 Units 100 100 512 bits 2 Units 101 101 Invalid setting 110 110 111 111 Level Link Number Pins 3 and 4 Check if set...

Page 73: ...e settings refer to Checklist 1 Pins 1 to 5 Set the same setting as on the 3G2A5 LK009 Set exactly the same DIP switch setting Check the node address set tings on other nodes in the PC Link to confirm...

Page 74: ...nit unit number Not applicable Any unique number in setting range Do not set the same unit number on two CPU Bus Units in a PLC Do not mount more PC Link Units than allowed Node address Check setting...

Page 75: ...Units 256 bits 2 Units 2 100 512 bits 2 Units Invalid set ting 101 256 bits 2 Units 2 101 Invalid set ting 110 110 111 111 Level Link Number Check setting on pins 3 and 4 of SW3 Pins 3 and 4 Set the...

Page 76: ...1500 25 N to CIO 1500 25 N 3 Level Flags Level 1 AR 2411 Except C500 Level 1 CIO 1500 25 N 4 bit 11 Single level or level 0 AR 2412 Except C500 Single level or level 0 CIO 1500 25 N 4 bit 12 PC Link U...

Page 77: ...62 Replacement Checklists Section 3 6...

Page 78: ...Starting the PC Link System This section explains how to start the PC Link system and verify that links have been established 4 1 Starting the PC Link System 64 4 2 Checking the PC Link s Operating C...

Page 79: ...CX Programmer refer to the CX Programmer Operation Manual The I O table cannot be created offline with Version 4 0 or earlier versions of the CX Programmer In that case create the I O table online The...

Page 80: ...curred with the polling node link Local Unit link or Other Unit link Not lit The Unit is communicating normally ERH PLC error Red Lit An error occurred in the PLC such as a CPU Unit error PLC interfac...

Page 81: ...rned ON Indicator status Meaning CVM1 LK401 C200H LK401 C500 LK009 V1 Display pattern B An error occurred in a node other than the local node and node 0 The local node is not node 0 and a com municati...

Page 82: ...CTION 5 Error Processing This section provides tables to help identify and correct errors in the PC Link system 5 1 Troubleshooting with LED Indicators 68 5 2 Troubleshooting with Status Area Function...

Page 83: ...munica tions error Red Lit A hardware error or node address setting error occurred See note Flashing A link error occurred with the polling node link Local Unit link or Other Unit link Not lit The Uni...

Page 84: ...ror occurred in the CPU Unit so the Unit is not being serviced Eliminate the CPU Unit s error Replace the CPU Unit if the error recurs Local node is the polling node node 0 The CPU Bus Unit unit numbe...

Page 85: ...hether the level link number setting is correct Lit Lit Not lit Not lit Not lit Not lit The PC Link Unit is faulty or an error occurred in the PC Link Unit so that it can t communicate prop erly Mount...

Page 86: ...ower is not being supplied prop erly to the CPU Unit of the polling node node 0 Check the power supply voltage and supply the proper power An error occurred in the CPU Unit of the PLC in which the pol...

Page 87: ...have the same level link number setting An error occurred in the PLC in which the affected Unit is mounted Refer to the PLC s Operating Manual to clear the error If the error recurs replace the PLC T...

Page 88: ...connectors Electrical and optical fiber cable 3G2A9 AL004 PE RS 232C 1 connector RS 422 RS 485 1 connector and Optical APF PCF 1 connector 3G2A9 AL004 E RS 232C 1 connector RS 422 RS 485 1 connector...

Page 89: ...dd some extra length to the cable length when ordering Name Specifications Model number Plastic Optical Fiber Cable Cable only w o connector Order in multiples of 5 m from 5 to 100 m or in lengths of...

Page 90: ...an RS 422 line Not required 250 g max 3G2A9 AL002 PE Branches an optical fiber line APF or PCF 100 200 VAC 85 to 132 VAC or 170 to 264 VAC or 12 to 24 V AC DC 10 2 to 26 4 VAC or VDC 10 VA max 900 g...

Page 91: ...cifications Appendix B 3G2A9 AL001 Link Adapter Dimensions Pin Arrangement 74 6 58 63 Four 3 5 dia 77 87 Approx 100 20 5 9 9 8 7 6 5 4 3 2 1 Pin 9 8 7 6 5 4 3 2 1 Pin 8 7 6 RS 422 3G2A9 AL001 Link Ada...

Page 92: ...nch line optical connector 100 V Neutral line Hot line 200 V Neutral line Hot line Branch line APF PCF Main line APF PCF Main line APF PCF Repeater input 3G2A9 AL002 P E Link Adapter Always short the...

Page 93: ...aps on unused optical connectors When the cap is not in place it is possible for scattered light to cause transmission errors 3 When the Link Adapter is installed in an office or on a desk take steps...

Page 94: ...0 m 800 m 100 V 200 V Fuse 5 V Terminating resistance 0 V 0 V 0 V Send Receive 0 V RS 232C Name 1 2 3 4 5 6 7 8 20 FG SD RD RS CS DR SG CD ER RS 422 OR Switching circuit Pin Name 9 5 6 1 3 7 SDA SDB R...

Page 95: ...80 Link Adapter Specifications Appendix B...

Page 96: ...not yet joined the PC Link is sent once every 256 PC Link cycles Consequently the polling sequence cycle is 256 one PC Link cycle Polling sequence processing time 15 ms n m n max number of connectable...

Page 97: ...O response time Input ON delay Cycle time of PLC 0 Minimum transmission time Cycle time of PLC 7 n Output ON delay The value n is as shown in the following table Example Calculation X Node 0 Node 7 PC...

Page 98: ...PLC Minimum I O Response Time in Asynchronous Mode Minimum I O response time Input ON delay Minimum transmission time Peripheral processing time of PLC 7 Output ON delay Example Calculation Minimum I...

Page 99: ...nt in C1000H C2000H PLCs and CVM1 CV series PLCs When a CVM1 CV series CPU Unit is operating in synchronous mode it one PLC execution cycle longer to read data from the PC Link in comparison with a C1...

Page 100: ...factors such as noise Node 0 PLC 0 PC Link transmission Input PC Link buffer Node 7 PLC 7 Output Peripheral processing cycle PC Link buffer Instruction execution cycle Peripheral processing cycle Inst...

Page 101: ...86 PC Link System I O Response Time Appendix C...

Page 102: ...Link Area PC Link Error and PLC Run Flags See note 1 SR 247 to SR 250 SR 58 and SR 62 SR 247 to SR 250 CIO 1500 25 N to 1500 25 N 3 Level Flags Link 1 AR 24 11 AR 24 11 CIO 1500 25 N 4 bit 11 Link 0...

Page 103: ...88 PC Link Settings and Status Areas Appendix D...

Page 104: ...atalog number on the front cover of the manual The following table outlines the changes made to the manual during each revision Page numbers refer to the previous version Revision code Date Revised co...

Page 105: ...Revision History 90...

Page 106: ...adquarters OMRON EUROPE B V Wegalaan 67 69 NL 2132 JD Hoofddorp The Netherlands Tel 31 2356 81 300 Fax 31 2356 81 388 OMRON ELECTRONICS LLC 1 East Commerce Drive Schaumburg IL 60173 U S A Tel 1 847 84...

Page 107: ...Authorized Distributor Cat No W434 E1 01 Note Specifications subject to change without notice Printed in Japan This manual is printed on 100 recycled paper...

Page 108: ...SER ALONE HAS DETERMINED THAT THE PRODUCTS WILL SUITABLY MEET THE REQUIREMENTS OF THEIR INTENDED USE OMRON DISCLAIMS ALL OTHER WARRANTIES EXPRESS OR IMPLIED LIMITATIONS OF LIABILITY OMRON SHALL NOT BE...

Page 109: ...ly that the uses listed may be suitable for the products Outdoor use uses involving potential chemical contamination or electrical interference or conditions or uses not described in this manual Nucle...

Page 110: ...o confirm actual specifications of purchased products DIMENSIONS AND WEIGHTS Dimensions and weights are nominal and are not to be used for manufacturing purposes even when tolerances are shown PERFORM...

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