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ControlNet Network Configuration User Manual, CNET-UM001D-EN-P

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User ManualControlNet Network ConfigurationImportant 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, ArmorPOINT, CompactLogix, ControlLogix, Data Highway Plus, DriveLogix, FlexLogix, FLEX Ex, FLEX I/O, Logix 5000, PanelView, PanelView Plus, POINT I/O, PowerFlex 700S, Rockwell Software, Rockwell Automation, RSLinx, RSLinx Classic, RSLogix, RSLogix 5000, RSNetWorx, RSNetWorx for ControlNet, RSView, SoftLogix, and TechConnect are trademarks of Rockwell Automation, Inc.Trademarks not belonging to Rockwell Automation are property of their respective companies.WARNING: Identifies 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.ATTENTION: Identifies 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 HAZARD: Labels may be on or inside the equipment, for example, a drive or motor, to alert people that dangerous voltage may be present.BURN HAZARD: Labels may be on or inside the equipment, for example, a drive or motor, to alert people that surfaces may reach dangerous temperatures.IMPORTANTIdentifies information that is critical for successful application and understanding of the product.Rockwell Automation Publication CNET-UM001D-EN-P - June 20113Summary of ChangesThis document contains new and updated information. Changes are designated by change bars in the outside margins.Updated InformationThis document contains these changes. Topic ChapterAdded information about the 1788-CN2DN moduleChapter 1Added modules for a 1769 CompactLogix packaged controller systemChapter 1Added information about the 1784-U2CN USB-to-ControlNet cableChapter 24Rockwell Automation Publication CNET-UM001D-EN-P - June 2011Summary of ChangesNotes:Rockwell Automation Publication CNET-UM001D-EN-P - June 20115Table of ContentsPrefaceAdditional Resources. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7Chapter 1ControlNet OverviewUse ControlNet Communication Modules in a Control System . . . . . . . 9Bridge Across Networks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11Exchange Information ona ControlNet Network. . . . . . . . . . . . . . . . . . . 14Network Update Time (NUT). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16Requested Packet Interval (RPI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17Actual Packet Interval (API) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17Schedule the Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18Understand the Network Keeper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19Default Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21ControlNet Network Capacity andTopology . . . . . . . . . . . . . . . . . . . . . . 21Topology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21Number of Nodes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24Lengths. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24Chapter 2Connect a Computer to the ControlNet NetworkConfigure the ControlNet Communication Driver in RSLinx Classic Software. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26Chapter 3Configure a ControlNet ModuleUse RSLogix 5000 Software. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29Configure the I/O Configuration Tree in Your Project. . . . . . . . . . 29Add and Configure a Local ControlNet Module . . . . . . . . . . . . . . . . 30Add and Configure a Remote ControlNet Module. . . . . . . . . . . . . . 33Download the Project to the Logix5000 Controller . . . . . . . . . . . . . 36Electronic Keying. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37Use RSNetWorx for ControlNet Software . . . . . . . . . . . . . . . . . . . . . . . . . 44Schedule a ControlNet Network for the First Time . . . . . . . . . . . . . 44Schedule the Network Offline. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45Schedule the Network Online . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49Reschedule a ControlNet Network that has Previously beenScheduled. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

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