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Integrated Architecture and CIP Sync Configuration

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Integrated Architecture and CIP Sync Configuration Application TechniqueImportant 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, TechConnect, Integrated Architecture, ControlLogix, RSLogix 5000, ArmorBlock, Stratix, Stratix 2000, Stratix 6000, Stratix 8000, Stratix 8300, Encompass, FactoryTalk View SE, FactoryTalk Alarms and Events, FactoryTalk Administration Console, FactoryTalk Services Platform, RSLinx Enterprise, RSLinx Classic, Logix5000, PhaseManager, and PanelView 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 IA-AT003A-EN-P - August 20103Table of ContentsPrefaceIntroduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9CIP Sync Configuration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9What You Need . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9General Clock Terms. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10Where to Find Sample Projects. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12Additional Resources. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13Chapter 1CIP Sync OverviewIntroduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15What is CIP Sync? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15What is CIP Sync IEEE 1588-2008 PTP (Precision Time Protocol)? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16Using CIP Sync. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17Multiple Controllers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17Sequence of Events (SOE) and First Fault Systems . . . . . . . . . . . . . . 17High Speed Applications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17Motion Control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17Axis Position Registration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18Enable Time Synchronization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18Correlation Between CIP Sync and the Controller Wallclock . . . . 19Real Time Sampling. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19First Fault Detection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20Event Captures. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20Applications that Require Accurate Data Logging. . . . . . . . . . . . . . . . . . . 20Time Stamped I/O . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20High Performance Sequence of Events in the Logix Architecture . 21Power Substations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21Pharmaceutical Industries. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22SCADA Applications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22Single Product Reject . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22CIP Motion Control using CIP Sync over the EtherNet/IP Network. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22Chapter 2CIP Sync System ConceptsIntroduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25System Grandmaster Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26Designing Your System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26Clock Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27Grandmaster Clock. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27Slave Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27Boundary Clocks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28Transparent Clocks. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29Hybrid Clocks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29Grandmaster Clock Selection and Clock Quality. . . . . . . . . . . . . . . . 29Configuring Grandmaster Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . 304Rockwell Automation Publication IA-AT003A-EN-P - August 2010Table of ContentsHand Setting the Grandmaster Clock . . . . . . . . . . . . . . . . . . . . . . . . . . 32Best Master Clock Algorithm. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33CIP Sync Protocol. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34CIP Sync Steady State Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35Steps in Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36Offset Value. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36CST and System Time Synchronization. . . . . . . . . . . . . . . . . . . . . . . . . . . . 38Crystal Accuracy - Drift . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38Crystal Accuracy. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38CST versus System Time – Where did the CST checkbox go? . . . . 39Clock Setting Storage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40Chapter 3External Time SourcesIntroduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41Using an External Time Source . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41Using NTP or SNTP as a Time Source . . . . . . . . . . . . . . . . . . . . . . . . . 421756-EWEB Module as an SNTP Time Client. . . . . . . . . . . . . . . . . . 43Using the 1756HP-TIME Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45Using the RSLogix 5000 Clock Update Tool. . . . . . . . . . . . . . . . . . . . 45Using a GPS or IRIG B Interface. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45Chapter 4Setting up Synchronized Clocks in the Logix SystemIntroduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47Setup Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47Coordinated Universal Time (UTC) for Time Stamping . . . . . . . . 48Controller Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49Date/Time Tab Parameters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49Status Indicators. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52Enable Time Synchronization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53Configure Priorities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54Set Clock Priorities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54Communication Modules Set Up. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56Configure the 1756-ENxTx Communication Modules . . . . . . . . . . 56Time Sync Diagnostics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58Identify the Current Grandmaster . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58Validate the Grandmaster . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59Validate the Grandmaster on an SOE Module. . . . . . . . . . . . . . . . . . . 61Advanced Time Sync Dialog. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62Time Sync Tab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63Rockwell Automation Publication IA-AT003A-EN-P - August 20105Table of ContentsChapter 5CIP Sync ArchitectureIntroduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69Types of Control System Architectures . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70Hardware and Software Requirements . . . . . . . . . . . . . . . . . . . . . . . . . 70Selecting a Switch forCIP Sync . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72No Adoption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72Boundary Clock. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73Transparent Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73Control System Architecture Scenarios . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74Star Topology with the ControlLogix Controller as the Grandmaster . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74Hardware Setup. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74Scenario Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76Scenario Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77Star Topology with an NTP Server as the Time Source . . . . . . . . . . 78Hardware Setup. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78Scenario Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81Nesting Multiple Switches and Multiple Remote Racks in a Linear Topology with a GPS as the Grandmaster . . . . . . . . . 82Hardware Setup. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82Scenario Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84Scenario Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85Linear (DLR) Topology, Multiple Racks with the GPS as the Grandmaster. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86Hardware Setup. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86Scenario Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88Scenario Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89Multiple Substations in Star Topologies with the GPS as the Grandmaster. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90Hardware Setup. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90Scenario Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92Scenario Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93ControlLogix Redundancy in a Star Topology Controlling I/O over EtherNet/IP Network with a GPS as the Grandmaster . . . 94Hardware Setup. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94Scenario Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96Scenario Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97ControlLogix Redundancy in a Ring Topology withthe GPS as the Grandmaster. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98Hardware Setup. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98Scenario Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100Scenario Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101ControlLogix Redundancy in a Star Topology with the Primary Controller as the Grandmaster . . . . . . . . . . . . . . . . . 102Hardware Setup. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102

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