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1769 CompactLogix Controllers User Manual

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1769 CompactLogix Controllers User ManualCatalog Numbers 1769-L31, 1769-L32C, 1769-L32E, 1769-L35CR, 1769-L35EUser 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, CompactFlash, DeviceNet, EtherNet/IP, ControlNet, RSLogix 5000, PhaseManager, RSLinx, 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 1769-UM011G-EN-P - November 20093Summary of ChangesIntroductionThis release of this document contains new and updated information. New and updated information are indicated with change bars.Updated InformationThe document contains these changes.TopicPageDF1 Radio Modem Support36Broadcast Messages over a Serial Port43Select a System OverheadTime Slice Percentage90Estimate Requested Packet Interval60Use a CompactFlash Card to Load/Store a User Application106Use a CompactFlash Card for Data Storage109Read and Write User Data to the CompactFlash Card109Battery Handling111Store Lithium Batteries1134Publication 1769-UM011G-EN-P - November 2009Summary of ChangesNotes:5Publication 1769-UM011G-EN-P - November 20095Table of ContentsPrefaceIntroduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9Additional Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9Chapter 11769 CompactLogix Controllers OverviewIntroduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11About the 1769 CompactLogix Controller. . . . . . . . . . . . . . . . . . . . . . 11Design a CompactLogix System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13Install Hardware. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13Additional Resources. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14Chapter 2Connect to the Controller Via the Serial PortIntroduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15Connect to the Controller Via the Serial Port. . . . . . . . . . . . . . . . . . . . 15Configure the Serial Driver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17Select the Controller Path . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19Controller Options. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20Additional Resources. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20Chapter 3Communicate over NetworksIntroduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21EtherNet/IP Network Communication. . . . . . . . . . . . . . . . . . . . . . . . 22Connections over an EtherNet/IP Network. . . . . . . . . . . . . . . . . 23ControlNet Network Communication . . . . . . . . . . . . . . . . . . . . . . . . . 25Connections over ControlNet. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27DeviceNet Communication. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28Serial Communication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31Configure an Isolator. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32Communicate with DF1 Devices . . . . . . . . . . . . . . . . . . . . . . . . . . 34DF1 Radio Modem Support. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36Communicate with ASCII Devices. . . . . . . . . . . . . . . . . . . . . . . . . 40Modbus Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43Broadcast Messages over a Serial Port . . . . . . . . . . . . . . . . . . . . . . 43DH-485 Network Communication. . . . . . . . . . . . . . . . . . . . . . . . . . . . 49Additional Resources. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52Chapter 4Manage Controller CommunicationIntroduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53Produce and Consume Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53Send and Receive Messages. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54Determine Whether to Cache Message Connections. . . . . . . . . . . 55Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55Calculate Total Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56Connections Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57Additional Resources. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

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