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Schneider Electric 840 USE 106 0 manual 176

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Ethernet Hot Standby Solution

176	840 USE 106 00 January 2003

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Schneider Electric 840 USE 106 0 manual 176

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 MaintenanceSpecifications for CHS 110 Hot Standby Appendix a Com Act Error PatternsAppendix C ProWORX Nxt Configuration Appendix B Fiber Optic Cable GuidePage Important Information Safety InformationProcedure Please Note Persons Schneider Electric All Rights ReservedAbout the Book At a GlanceValidity Note Related DocumentsAbout the Book Overview of Quantum Hot Standby PurposeWhat’s in this Chapter?Overview of Quantum Hot Standby Purpose What’s in this Section? 1ControlIntroduction Primary and Standby Control DescriptionRole of the CHS Hot StandbyHardware Components in a Quantum Hot Standby System Cables See Fiber Optic Cable Guide, pPanel Controls CHS 110 Hot Standby ModuleTopology Following table shows the five status indicators LED DisplayModule 140 CHS 110Keyswitch Slide SwitchUpdate Button Function2Operation Modes of OperationHsby Modes of Hsby has three Modes of Operation OperationPrimary unit fails Run ModeIgnores your action 3Cabling Connections Fiber Optic CableCable CHS 210 Hot Standby Kit Hsby and IEC Hsby Hsby ArchitectureQuantum 984 Hot Standby involves Module VersionUpgrade PLC firmware RIO is serviced differentlyIEC compliant languages FBD, LD, SFC, IL and ST 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 Scan Time Increase table below PLC to CHS DataTransfer Rate 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 Alternatives to the default transfer area Customizing OptionsCustom State AreaSetting up Up using multiple scans to transfer all the dataCustom Scans Custom ScansTheory of 984 Hsby Operation Theory of IEC Hsby Operation IEC Hot Standby Definitions DefinitionsFollowing are IEC Hot Standby definitions IEC runtime systemIEC Heap Currently used IEC Heap Size and the Maximum IEC Heap SizeProgram Data Online -- Memory StatisticsHow an IEC Hsby System Works IEC TheoryProgram. There are three steps in the transfer process 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 Guidelines for Planning a Hot Standby System PrimaryControllers PositioningElectrical Safety Precautions Safety PrecautionsRemote I/O Cable Topologies Single Cable Single Cable ConfigurationConfiguration Dual Cable Configuration Dual Cable Standby systemStandby PLC Primary PLCInstallation How to Install a Hot Standby SystemProcedure Installing a HotSetting Designation Set to B Slide SwitchesBattery has been disconnected for at least five minutes 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 Installed into your application ControllingSystem by CHS InstructionConfiguration Extension Hot Standby System byExtension 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 Hot Standby Status Register Status RegisterBits in the Hot 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 Keyswitch Override and Run Mode Keyswitch Override HazardRun OverrideOption Power up the system again. Download the new configurationSoftware Control Example Standby on Logic Mismatches Mismatch HazardSwitchover Modbus PlusPort Address Swapping atTransfer All State RAM Transfer AllTransferred if this check box is activated 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 Concept Loadables Installation Screen @1SE V196 @2I7@2IE V196 V208IEC Logic in a Standby controller executes the logic of segmentUsing ExtensionsTransfer from Primary to Standby Loadables are removed from the project automaticallyHot Standby Dialog Concept 2.5 shown Activation of HotStandby Dialog Specifying the Command Register Standby Command RegisterSpecify Register isHot Standby Command Register Enable itRange Register. HoweverControl Example Enable Keyswitch OverrideSoftware Options for OptionSoftware Control Stage Description CommentExec Upgrade Without Stopping Application Stopped Cancel Advanced Options ConceptSystem Executive Upgrade Procedure Stopping the processMap / Configuration Hazard Standby on Logic MismatchLogic Mismatch For ConceptLogic Data that do not exist on both controllers is not updated Project global data that is updated includesUpdating Project Global DataSwapping Addresses at Switchover Is alsoIP Address NOE 771 cannot be controlled, it is always activatedMatter if they reside in the Standby or Primary rack Standby BackplanesUsing a Quantum IEC Hot Standby System State RAMNontransfer Area of State RAM 4nnnnn Controllers Supported only with Concept 2.5 or higherDiagram below shows a PLC Memory Partition Memory PartitionRegisters 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 5Operation PreconditionsStarting 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 Constant Internal MonitoringRegular Data TransfersAdditional Guidelines for IEC Hot Standby Additional Guidelines for IEC Hot Standby General Application Requirements Memory Savings AssessingExisting IEC ApplicationsMemory Statistics Memory Following screen shows memory statistics Statistics152 Optimization IEC Applications Needed to achieve itRAM Registers Configured StateEfficient Use of State RAM Efficient Use IEC ApplicationAnything else 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 Primary Mode Secondary ModeStandalone Mode Offline Mode CPU is stoppedEffects on IP Address assignment and Ethernet services Offline Mode at Power-up Sequence tableAddress AssignmentPower-Up ServicesEffects on the Ethernet services EthernetAdditional InformationGoing to Offline IP Address Assignment and Going OfflineConnections Service Typical Swap Time Maximum Swap TimeAddress Swap Times Network Effects of Hot Standby Solution BrowsersRemote Connection Request during Hot Standby Swap Hot Standby Swap during Remote Connection RequestService ScanningPublish 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 Communications Errors TroubleshootingInterface Errors LEDsReplace the faulty CHS 110 module Board Level ErrorsBoard Level Error 140 CHS 110 10.3 Failures Detecting Failures in a Hot Standby System MainComponents 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 Changing the Program and Performing a Program Update Battery HazardUpdating Standby OgicProgram Change Hazard Standby controller Off LineBefore You 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 Testing Forcing a SwitchoverSwitchover Forcing a Manually 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 Appendices At a GlanceIncluded here Appendix contains the following chaptersAppendices Com Act Error Patterns Purpose What’s in this Chapter?CHS 110 Hot Standby Module Error Patterns CHS 110 ErrorNumber Blinks Code 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 QuaField FunctionsHot Standby Quantum dialog screen 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