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Schneider Electric 840 USE 106 0 About the Book, At a Glance, Validity Note, Related Documents

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About the Book

At a Glance

Document Scope This manual contains complete information about programmable controller Hot

	Standby systems.
Validity Note
Validity Note	This documentation applies to Concept.
Related
Related
Documents
Documents	Title of Documentation		Reference Number
	Title of Documentation		Reference Number

	Quantum Automation Series Hardware Reference Guide		840 USE 100 00

	Remote I/O Cable System Planning and Installation Guide		890 USE 101 00

	Ladder Logic Block Library User Guide		840 USE 101 00

	Modbus Plus Network Planning and Installation Guide		890 USE 100 00

	Concept V 2.5	User’s Manual	840 USE 493 00

	Concept V 2.5	Installation Instructions	840 USE 492 00

	Concept V 2.5	Block Library: IEC	840 USE 494 00

	Concept V 2.5	Block Library: LL984	840 USE 496 00

	Concept EFB User’s Manual		840 USE 495 00
Product Related

	Schneider Electric assumes no responsibility for any errors that may appear in this
Warnings	document. If you have any suggestions for improvements or amendments or have
	found errors in this publication, please notify us.
	No part of this document may be reproduced in any form or means, electronic or

mechanical, including photocopying, without express written permission of the Publisher, Schneider Electric.

840 USE 106 00 January 2003

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Schneider Electric 840 USE 106 0 manual About the Book, At a Glance, Validity Note, Related Documents, Product Related

Contents

USE 106 Quantum Hot StandbyPage Table of Contents Planning a Quantum Hot Standby System Using a Quantum 984 Hsby SystemTheory of IEC Hsby Operation Additional Guidelines for IEC Hot Standby Using a Quantum IEC Hot Standby SystemMaintenance Ethernet Hot Standby SolutionAppendix B Fiber Optic Cable Guide Specifications for CHS 110 Hot StandbyAppendix a Com Act Error Patterns Appendix C ProWORX Nxt ConfigurationPage Important Information Safety InformationProcedure Persons Schneider Electric All Rights Reserved Please NoteRelated Documents About the BookAt a Glance Validity NoteAbout the Book Chapter? Overview of Quantum Hot StandbyPurpose What’s in thisOverview of Quantum Hot Standby Purpose What’s in this Section? 1ControlIntroduction Hot Standby Primary and Standby ControlDescription Role of the CHSCables See Fiber Optic Cable Guide, p Hardware Components in a Quantum Hot Standby SystemPanel Controls CHS 110 Hot Standby ModuleTopology 140 CHS 110 Following table shows the five status indicatorsLED Display ModuleFunction KeyswitchSlide Switch Update ButtonOperation 2OperationModes of Operation Hsby Modes of Hsby has three Modes of OperationPrimary unit fails Run ModeIgnores your action 3Cabling Connections Fiber Optic CableCable CHS 210 Hot Standby Kit Hsby and IEC Hsby Module Version HsbyArchitecture Quantum 984 Hot Standby involvesHsby system Upgrade PLC firmwareRIO is serviced differently IEC compliant languages FBD, LD, SFC, IL and STFiber Optic CHS Link 5HPRWRUJUDWHU Overview StandbyThis chapter contains the following topics Theory of 984 Ladder Logic Hsby OperationHow a 984 Hsby System Works Solve Segment Scan System Scan TimePrimary Rack Scan Leads to the following results Scan Time Increase table belowPLC to CHS Data Transfer RateScan Time Increase Table in PLC Scan Times, p ExampleTime State RAM Transfer and Scan TimeTheory of 984 Hsby Operation Transfer Primary to the Standby controller on every scan Default Transfer AreaAutomatic Example Area Alternatives to the default transfer areaCustomizing Options Custom StateCustom Scans Setting upUp using multiple scans to transfer all the data Custom ScansTheory of 984 Hsby Operation Theory of IEC Hsby Operation IEC runtime system IEC Hot Standby DefinitionsDefinitions Following are IEC Hot Standby definitionsOnline -- Memory Statistics IEC HeapCurrently used IEC Heap Size and the Maximum IEC Heap Size Program DataState RAM Defined How an IEC Hsby System WorksIEC Theory Program. There are three steps in the transfer processSystem 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 Positioning Guidelines for Planning a Hot Standby SystemPrimary ControllersSafety Precautions Electrical Safety PrecautionsRemote I/O Cable Topologies Single Cable Single Cable ConfigurationConfiguration Primary PLC Dual Cable ConfigurationDual Cable Standby system Standby PLCInstalling a Hot InstallationHow to Install a Hot Standby System ProcedureDamage SettingDesignation Set to B Slide Switches Battery has been disconnected for at least five minutesNetwork Following diagram illustrates the network connectionsStep Aligning Key Locking Ring DiagramConverting to You need backplanes with at least four slots Adding HotUsing a Quantum 984 Hsby System Using a Quantum 984 Hsby System 1Configuration Modsoft Configuring 984 HsbyCHS Instruction Installed into your applicationControlling System by CHSSystem Configuration ExtensionHot Standby System by ExtensionHsby System Active Execute Hsby Unconditionally Enable CommandCHS Instruction Using the CHS Instruction Block Hot Standby Command Register Hazard Using CHS Instruction BlockCommand Register Nontransfer Area Within the State RAM Transfer Status Register Elements of the Nontransfer AreaCHS module ConfigurationScreens must be identical to those in the CHS block Zoom screen of CHS InstructionZoom Screen Standby Status Register Hot Standby Status RegisterStatus Register Bits in the HotReverse Transfer Registers Transfer Logic Reverse Transfer Logic ExampleReverse Segment 000813 Using a Quantum 984 Hsby System Using Configuration ExtensionConcept shown Dialog Standby Concept Hot Standby DialogCommandsystem Register Bits in the Hot Standby Command RegisterHot Standby Command Register Hazard Override Keyswitch Override and Run ModeKeyswitch Override Hazard RunOption Power up the system again. Download the new configurationSoftware Control Example Mismatch Hazard Standby on Logic MismatchesSwapping at SwitchoverModbus Plus Port AddressCheck box Nontransfer Area Transfer All State RAMTransfer All Transferred if this check box is activatedStatus Register for Configuration extension Hot Standby Status Register for Configuration ExtensionAdvanced Advanced OptionsAdditional RAM State RAM dialog Defining the Transfer Area of State RAM12K Option DialogUser Defined Option State RAM Transfer Transfer Additional State RAM Hazard Transferring Additional State RAM Data101 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 This chapter presents operating procedures for the IEC Hsby Using a Quantum IEC Hot Standby SystemUsing a Quantum IEC Hot Standby System This section describes Quantum IEC Hot Standby configuration Loading the Software V208 Concept Loadables Installation Screen@1SE V196 @2I7 @2IE V196Standby controller executes the logic of segment IEC Logic in aLoadables are removed from the project automatically UsingExtensions Transfer from Primary to StandbyHot Standby Dialog Concept 2.5 shown Activation of HotStandby Dialog Register is Specifying the Command RegisterStandby Command Register SpecifyRegister. However Hot Standby Command RegisterEnable it RangeControl Example Enable Keyswitch OverrideSoftware Stage Description Comment Options forOption Software ControlAdvanced Options Concept Exec Upgrade Without Stopping Application Stopped CancelStopping the process System Executive Upgrade ProcedureFor Concept Map / Configuration HazardStandby on Logic Mismatch Logic MismatchLogic Global Data Data that do not exist on both controllers is not updatedProject global data that is updated includes Updating ProjectIs also Swapping Addresses at SwitchoverStandby Backplanes IP AddressNOE 771 cannot be controlled, it is always activated Matter if they reside in the Standby or Primary rackState RAM Using a Quantum IEC Hot Standby SystemNontransfer Area of State RAM 4nnnnn Supported only with Concept 2.5 or higher ControllersShows how the number of IEC Hsby Registers can be modified Diagram below shows a PLC Memory PartitionMemory Partition RegistersState RAM Size State RAM SizeSection Transfer Control Section Transfer ControlFBD Select Component of Type Bool Regardless of its designation as a or B 5OperationPreconditions StartingCHS 110 RIO Head 140Normal Operation Map Memory/Scantime optimizationIEC State RAM 142 Memory Prediction Screenshot of the Memory Prediction dialog is shown belowFor IEC Hot Standby data MemoryStatistics Synchronizing Time of Day Clocks Transfers Constant InternalMonitoring Regular DataAdditional Guidelines for IEC Hot Standby Additional Guidelines for IEC Hot Standby General Application Requirements Applications Memory SavingsAssessing Existing IECMemory Following screen shows memory statistics Statistics Memory Statistics152 Optimization Needed to achieve it IEC ApplicationsRAM Registers Configured StateEfficient Use of State RAM Data Efficient UseIEC Application Anything elseEfficiency 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 Solution Ethernet Hot Standby SolutionPlease Note Overview of Hot Standby Solution for NOEsSolution Service NOE 771 Drop Hot Standby TopologyTo download a project to the PLC NOE Configuration and Hot StandbyDevice can be assigned the configured IP + 1 address Transparency ConfiguringIP Address Assignment Offline Mode CPU is stopped Primary ModeSecondary Mode Standalone ModeAssignment Effects on IP Address assignment and Ethernet servicesOffline Mode at Power-up Sequence table AddressEthernet Power-UpServices Effects on the Ethernet servicesIP Address Assignment and Going Offline AdditionalInformation Going to OfflineConnections Service Typical Swap Time Maximum Swap TimeAddress Swap Times Hot Standby Swap during Remote Connection Request Network Effects of Hot Standby SolutionBrowsers Remote Connection Request during Hot Standby SwapSubscribe ServiceScanning Publish176 Maintenance Maintenance Health of a Hot Standby System Health Messages Verifying Health of a Hot Standby SystemRecognizing Additional ChecksAvoid Damage to Application I/O Devices SafetyOr equipment damage Errors Startup Errors LEDs Communications ErrorsTroubleshooting Interface ErrorsReplace the faulty CHS 110 module Board Level ErrorsBoard Level Error 140 CHS 110 10.3 Failures Backplane Detecting Failures in a Hot Standby SystemMain ComponentsController CHS RIO Head Failure Type Description Standby module and RIO head to the chart belowDetecting Failures in the Primary Backplane Controller CHS RIO Head Failure Description Detecting Failures in the Standby Backplane191 Replacement Primary Backplane Hazard ReplacementReplacing a Hot Standby Module Standby Ogic Changing the Program and Performing a Program UpdateBattery Hazard UpdatingBegin Controller as well Program Change HazardStandby controller Off Line Before YouUpdating 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 Take the following steps to force a switchover manually TestingForcing a Switchover Switchover Forcing a ManuallyAfter Taking the Primary Controller Offline Primary StandbyBringing the Original Primary Unit Back Online Register, p ThroughSpecifications for CHS 110 Hot Standby Specifications for CHS 110 Hot StandbySpecifications Specifications for CHS 110 Hot Standby Appendix contains the following chapters AppendicesAt a Glance Included hereAppendices Purpose What’s in this Chapter? Com Act Error PatternsPatterns CHS 110 Hot Standby Module Error PatternsCHS 110 Error Number Blinks Code ErrorNumber 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 Suggested Tools include Other ToolsOther Tools Menu and select Hsby Extension from the Tree Control ProWORX Nxt ConfigurationProWORX Nxt Hot Standby Configuration Extension Hot Standby Qua Dialog ScreenParameters of a Quantum Hot Standby system FieldFunctions Hot Standby Quantum dialog screenStatus Register Initial Command RegisterStatus Registers Dialog screen Registers dialog screen Offline state Index Numerics Index Automatic, 108 swapping addresses 226