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Schneider Electric 840 USE 106 0 manual Hsby and IEC Hsby, Introduction

Models: 840 USE 106 0

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Overview of Quantum Hot Standby

1.4	984 HSBY and IEC HSBY

Introduction

Purpose

What’s in this Section?

This section describes 984 HSBY and IEC HSBY.

This section contains the following topics:

Topic	Page

984 HSBY	27

IEC HSBY	28

26	840 USE 106 00 January 2003

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Schneider Electric 840 USE 106 0 manual Hsby and IEC Hsby, Introduction

Contents

Quantum Hot Standby USE 106Page Table of Contents Planning a Quantum Hot Standby System Using a Quantum 984 Hsby SystemTheory of IEC Hsby Operation Using a Quantum IEC Hot Standby System Additional Guidelines for IEC Hot StandbyEthernet Hot Standby Solution MaintenanceAppendix C ProWORX Nxt Configuration Specifications for CHS 110 Hot StandbyAppendix a Com Act Error Patterns Appendix B Fiber Optic Cable GuidePage Important Information Safety InformationProcedure Please Note Persons Schneider Electric All Rights ReservedValidity Note About the BookAt a Glance Related DocumentsAbout the Book What’s in this Overview of Quantum Hot StandbyPurpose Chapter?Overview of Quantum Hot Standby Purpose What’s in this Section? 1ControlIntroduction Role of the CHS Primary and Standby ControlDescription Hot StandbyHardware Components in a Quantum Hot Standby System Cables See Fiber Optic Cable Guide, pPanel Controls CHS 110 Hot Standby ModuleTopology Module Following table shows the five status indicatorsLED Display 140 CHS 110Update Button KeyswitchSlide Switch FunctionHsby Modes of Hsby has three Modes of Operation 2OperationModes of Operation OperationPrimary unit fails Run ModeIgnores your action 3Cabling Connections Fiber Optic CableCable CHS 210 Hot Standby Kit Hsby and IEC Hsby Quantum 984 Hot Standby involves HsbyArchitecture Module VersionIEC compliant languages FBD, LD, SFC, IL and ST Upgrade PLC firmwareRIO is serviced differently Hsby systemFiber Optic CHS Link 5HPRWRUJUDWHU Standby OverviewTheory of 984 Ladder Logic Hsby Operation This chapter contains the following topicsHow a 984 Hsby System Works Solve Segment Scan System Scan TimePrimary Rack Scan Transfer Rate Scan Time Increase table belowPLC to CHS Data Leads to the following resultsExample Scan Time Increase Table in PLC Scan Times, pState RAM Transfer and Scan Time TimeTheory of 984 Hsby Operation Transfer Primary to the Standby controller on every scan Default Transfer AreaAutomatic Example Custom State Alternatives to the default transfer areaCustomizing Options AreaCustom Scans Setting upUp using multiple scans to transfer all the data Custom ScansTheory of 984 Hsby Operation Theory of IEC Hsby Operation Following are IEC Hot Standby definitions IEC Hot Standby DefinitionsDefinitions IEC runtime systemProgram Data IEC HeapCurrently used IEC Heap Size and the Maximum IEC Heap Size Online -- Memory StatisticsProgram. There are three steps in the transfer process How an IEC Hsby System WorksIEC Theory State RAM DefinedSystem Scan Time Standby Rack Transfer diagram The following shows a transfer diagramPrimary Rack IEC Scan Time Increase Time Scan Time Increase Table belowFollowing result IEC Scan Time Increase Table See Overall PLC Scan Time, p State Ram Transfer and Scan Time Configured for IEC Hsby Standby’s IEC data consistency LayoutTransferred RAM Theory of IEC Hsby Operation Planning a Quantum Hot Standby System Controllers Guidelines for Planning a Hot Standby SystemPrimary PositioningElectrical Safety Precautions Safety PrecautionsRemote I/O Cable Topologies Single Cable Single Cable ConfigurationConfiguration Standby PLC Dual Cable ConfigurationDual Cable Standby system Primary PLCProcedure InstallationHow to Install a Hot Standby System Installing a HotBattery has been disconnected for at least five minutes SettingDesignation Set to B Slide Switches DamageFollowing diagram illustrates the network connections NetworkStep Diagram Aligning Key Locking RingAdding Hot Converting to You need backplanes with at least four slotsUsing a Quantum 984 Hsby System Using a Quantum 984 Hsby System 1Configuration Modsoft Configuring 984 HsbyCHS System by CHS Installed into your applicationControlling InstructionExtension Configuration ExtensionHot Standby System by SystemHsby System Active Execute Hsby Unconditionally Enable CommandCHS Instruction Using the CHS Instruction Block Using CHS Instruction Block Hot Standby Command Register HazardCommand Register Nontransfer Area Within the State RAM Transfer Elements of the Nontransfer Area Status RegisterConfiguration CHS moduleScreens must be identical to those in the CHS block Zoom screen of CHS InstructionZoom Screen Bits in the Hot Hot Standby Status RegisterStatus Register Standby Status RegisterReverse Transfer Registers Transfer Logic Reverse Transfer Logic ExampleReverse Segment 000813 Using Configuration Extension Using a Quantum 984 Hsby SystemConcept shown Hot Standby Dialog Dialog Standby ConceptBits in the Hot Standby Command Register Commandsystem RegisterHot Standby Command Register Hazard Run Keyswitch Override and Run ModeKeyswitch Override Hazard OverrideOption Power up the system again. Download the new configurationSoftware Control Example Standby on Logic Mismatches Mismatch HazardPort Address SwitchoverModbus Plus Swapping atTransferred if this check box is activated Transfer All State RAMTransfer All Check box Nontransfer AreaHot Standby Status Register for Configuration Extension Status Register for Configuration extensionAdvanced Options AdvancedDefining the Transfer Area of State RAM Additional RAM State RAM dialogDialog 12K OptionUser Defined Option State RAM Transfer Transferring Additional State RAM Data Transfer Additional State RAM Hazard101 Begins again, sending the first 512 additional registers Scan TransfersData Type 4Operation Step Action Starting Your Hot Standby SystemPreconditions Starting the System Standby Backplane Ready FaultRIO Head Synchronization Synchronizing Time-of-Day ClocksClock Network 2 of Segment Following diagram shows synchronizing time-of-day clocksNetwork 1 of Segment While Your System Is Running Using a Quantum IEC Hot Standby System This chapter presents operating procedures for the IEC HsbyUsing a Quantum IEC Hot Standby System This section describes Quantum IEC Hot Standby configuration Loading the Software @2IE V196 Concept Loadables Installation Screen@1SE V196 @2I7 V208IEC Logic in a Standby controller executes the logic of segmentTransfer from Primary to Standby UsingExtensions Loadables are removed from the project automaticallyHot Standby Dialog Concept 2.5 shown Activation of HotStandby Dialog Specify Specifying the Command RegisterStandby Command Register Register isRange Hot Standby Command RegisterEnable it Register. HoweverControl Example Enable Keyswitch OverrideSoftware Software Control Options forOption Stage Description CommentExec Upgrade Without Stopping Application Stopped Cancel Advanced Options ConceptSystem Executive Upgrade Procedure Stopping the processLogic Mismatch Map / Configuration HazardStandby on Logic Mismatch For ConceptLogic Updating Project Data that do not exist on both controllers is not updatedProject global data that is updated includes Global DataSwapping Addresses at Switchover Is alsoMatter if they reside in the Standby or Primary rack IP AddressNOE 771 cannot be controlled, it is always activated Standby BackplanesUsing a Quantum IEC Hot Standby System State RAMNontransfer Area of State RAM 4nnnnn Controllers Supported only with Concept 2.5 or higherRegisters Diagram below shows a PLC Memory PartitionMemory Partition Shows how the number of IEC Hsby Registers can be modifiedState RAM Size State RAM SizeSection Transfer Control Section Transfer ControlFBD Select Component of Type Bool Starting 5OperationPreconditions Regardless of its designation as a or B140 CHS 110 RIO HeadNormal Operation Map Memory/Scantime optimizationIEC State RAM 142 Screenshot of the Memory Prediction dialog is shown below Memory PredictionFor IEC Hot Standby data MemoryStatistics Synchronizing Time of Day Clocks Regular Data Constant InternalMonitoring TransfersAdditional Guidelines for IEC Hot Standby Additional Guidelines for IEC Hot Standby General Application Requirements Existing IEC Memory SavingsAssessing ApplicationsMemory Statistics Memory Following screen shows memory statistics Statistics152 Optimization IEC Applications Needed to achieve itRAM Registers Configured StateEfficient Use of State RAM Anything else Efficient UseIEC Application DataEfficiency Tips RealF RealG RealH Use Constants Instead of Equal LiteralsRealB RealC RealD Use Constants Instead of Open Inputs 160 Programmed Logic Reduce the Use Of Complex Data Structures Ethernet Hot Standby Solution SolutionPlease Note Overview of Hot Standby Solution for NOEsSolution Service NOE 771 Hot Standby Topology DropTo download a project to the PLC NOE Configuration and Hot StandbyDevice can be assigned the configured IP + 1 address Transparency ConfiguringIP Address Assignment Standalone Mode Primary ModeSecondary Mode Offline Mode CPU is stoppedAddress Effects on IP Address assignment and Ethernet servicesOffline Mode at Power-up Sequence table AssignmentEffects on the Ethernet services Power-UpServices EthernetGoing to Offline AdditionalInformation IP Address Assignment and Going OfflineConnections Service Typical Swap Time Maximum Swap TimeAddress Swap Times Remote Connection Request during Hot Standby Swap Network Effects of Hot Standby SolutionBrowsers Hot Standby Swap during Remote Connection RequestPublish ServiceScanning Subscribe176 Maintenance Maintenance Health of a Hot Standby System Verifying Health of a Hot Standby System Health MessagesAdditional Checks RecognizingAvoid Damage to Application I/O Devices SafetyOr equipment damage Errors Startup Errors Interface Errors Communications ErrorsTroubleshooting LEDsReplace the faulty CHS 110 module Board Level ErrorsBoard Level Error 140 CHS 110 10.3 Failures Components Detecting Failures in a Hot Standby SystemMain BackplaneController CHS RIO Head Failure Type Description Standby module and RIO head to the chart belowDetecting Failures in the Primary Backplane Detecting Failures in the Standby Backplane Controller CHS RIO Head Failure Description191 Replacement Primary Backplane Hazard ReplacementReplacing a Hot Standby Module Updating Changing the Program and Performing a Program UpdateBattery Hazard Standby OgicBefore You Program Change HazardStandby controller Off Line Begin Controller as wellUpdating Standby Procedure Amber Standby indicator begins to blink Updating Standby Updating PLC System Executives in a 984 Hsby System Standby is Running Steps to Upgrade Zoom or RDE PLC executivesWhile Hot Updating PLC System Executives in an IEC Hsby System Switchover Forcing a Manually TestingForcing a Switchover Take the following steps to force a switchover manuallyPrimary Standby After Taking the Primary Controller OfflineBringing the Original Primary Unit Back Online Through Register, pSpecifications for CHS 110 Hot Standby Specifications for CHS 110 Hot StandbySpecifications Specifications for CHS 110 Hot Standby Included here AppendicesAt a Glance Appendix contains the following chaptersAppendices Com Act Error Patterns Purpose What’s in this Chapter?Number Blinks Code Error CHS 110 Hot Standby Module Error PatternsCHS 110 Error PatternsNumber Code Error Blinks CRP Remote I/O Head Processor Error PatternsError Patterns The following table shows error patterns 212 Fiber Optic Cable Guide Dations ConnectorsRecommen Other Tools Suggested Tools includeOther Tools Menu and select Hsby Extension from the Tree Control ProWORX Nxt ConfigurationProWORX Nxt Hot Standby Configuration Extension Dialog Screen Hot Standby QuaHot Standby Quantum dialog screen FieldFunctions Parameters of a Quantum Hot Standby systemStatus Register Initial Command RegisterStatus Registers Dialog screen Registers dialog screen Offline state Index Numerics Index Automatic, 108 swapping addresses 226