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1768 CompactLogix Controllers User Manual

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1768 CompactLogix Controllers User ManualCatalog Numbers 1768-L43, 1768-L45User ManualImportant User InformationSolid state equipment has operational characteristics differing from those of electromechanical equipment. Safety Guidelines for the Application, Installation and Maintenance of Solid State Controls (publication SGI-1.1 available from your local Rockwell Automation sales office or online at http://www.rockwellautomation.com/literature/) describes some important differences between solid state equipment and hard-wired electromechanical devices. Because of this difference, and also because of the wide variety of uses for solid state equipment, all persons responsible for applying this equipment must satisfy themselves that each intended application of this equipment is acceptable.In no event will Rockwell Automation, Inc. be responsible or liable for indirect or consequential damages resulting from the use or application of this equipment.The examples and diagrams in this manual are included solely for illustrative purposes. Because of the many variables and requirements associated with any particular installation, Rockwell Automation, Inc. cannot assume responsibility or liability for actual use based on the examples and diagrams.No patent liability is assumed by Rockwell Automation, Inc. with respect to use of information, circuits, equipment, or software described in this manual.Reproduction of the contents of this manual, in whole or in part, without written permission of Rockwell Automation, Inc., is prohibited.Throughout this manual, when necessary, we use notes to make you aware of safety considerations.Allen-Bradley, Rockwell Automation, Rockwell Software, CompactLogix, GuardLogix, Logix5000, PhaseManager, SLC 500, SLC 5/03, MicroLogix, Data Highway Plus, RSNetWorx, ControlLogix, PanelView Pllus, PowerFlex, RSLogix 5000, and TechConnect are trademarks of Rockwell Automation, Inc.Trademarks not belonging to Rockwell Automation are property of their respective companies.WARNINGIdentifies information about practices or circumstances that can cause an explosion in a hazardous environment, which may lead to personal injury or death, property damage, or economic loss.IMPORTANTIdentifies information that is critical for successful application and understanding of the product.ATTENTIONIdentifies information about practices or circumstances that can lead to personal injury or death, property damage, or economic loss. Attentions help you identify a hazard, avoid a hazard, and recognize the consequenceSHOCK HAZARDLabels may be on or inside the equipment, for example, a drive or motor, to alert people that dangerous voltage may be present.BURN HAZARDLabels may be on or inside the equipment, for example, a drive or motor, to alert people that surfaces may reach dangerous temperatures.3Publication 1768-UM001D-EN-P - October 20093Summary of ChangesIntroductionThe release of this document contains new and updated information. To find new and updated information, look for change bars, as shown next to this paragraph.Updated InformationThe document contains these changes. This table represents major topics. Make sure to look for the change bars throughout this document.TopicPageAbout the 1768 CompactLogix Controllers11Software and Firmware Compatibility13About 1768 GuardLogix Controllers13DF1 Radio Modem Support37Broadcast Messages over Serial44Configure Distributed I/O on a ControlNet Network70Interrupt the Execution of Logic and Execute the Fault Handler91Select a System OverheadPercentage92Configure SERCOS Motion984Publication 1768-UM001D-EN-P - October 2009Summary of ChangesNotes:5Publication 1768-UM001D-EN-P - October 20095Table of ContentsPrefacePurpose of This Manual. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9Who Should Use This Publication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9Additional Resources. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9Chapter 11768 CompactLogix OverviewIntroduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11About the 1768 CompactLogix Controllers. . . . . . . . . . . . . . . . . . . . . 11Software and Firmware Compatibility. . . . . . . . . . . . . . . . . . . . . . . . . . 13About 1768 GuardLogix Controllers . . . . . . . . . . . . . . . . . . . . . . . . . . 13Design a System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14Additional Resources. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14Chapter 2Connect to the Controller via the Serial PortIntroduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15Connect a Controller Via the Serial Port. . . . . . . . . . . . . . . . . . . . . . . . 16Configure the Serial Driver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17Select the Controller Path . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19Set the IP Address via a Serial Port. . . . . . . . . . . . . . . . . . . . . . . . . . . . 20Chapter 3Communicate over NetworksIntroduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21EtherNet/IP Network Communication. . . . . . . . . . . . . . . . . . . . . . . . 22Set the IP Address Using the BOOTP/DHCP Utility . . . . . . . . . 231768-ENBT EtherNet/IP Communication Module. . . . . . . . . . . 241768-EWEB Web Server Module. . . . . . . . . . . . . . . . . . . . . . . . . . 26Connections Over an EtherNet/IP Network . . . . . . . . . . . . . . . . 27ControlNet Network Communication . . . . . . . . . . . . . . . . . . . . . . . . . 271768-CNB and 1768-CNBR ControlNet Modules . . . . . . . . . . . . 28Connections Over a ControlNet Network. . . . . . . . . . . . . . . . . . . 29DeviceNet Network Communication. . . . . . . . . . . . . . . . . . . . . . . . . . 30DeviceNet I/O Modules and Adapters . . . . . . . . . . . . . . . . . . . . . 30Serial Network Communication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34Master and Slave Communication . . . . . . . . . . . . . . . . . . . . . . . . . 35Communicate with DF1 Devices . . . . . . . . . . . . . . . . . . . . . . . . . . 35DF1 Radio Modem Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37Communicate with ASCII Devices. . . . . . . . . . . . . . . . . . . . . . . . . 41Modbus Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44Broadcast Messages over Serial. . . . . . . . . . . . . . . . . . . . . . . . . . . . 44DH-485 Network Communication. . . . . . . . . . . . . . . . . . . . . . . . . . . . 48Additional Resources. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53Chapter 4Manage Controller CommunicationIntroduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55Connection Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55Produce and Consume (Interlock) Data. . . . . . . . . . . . . . . . . . . . . . . . 56

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