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Schneider Electric 840 USE 106 0 - page 42

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Theory of 984 HSBY Operation

42 840 USE 106 00 January 2003

Contents

Main Page Table of Contents Chapter 2 Theory of 984 Ladder Logic HSBY Operation . . . . . . . . . . . . .31 Chapter 3 Theory of IEC HSBY Operation. . . . . . . . . . . . . . . . . . . . . . . . . 43 Chapter 4 Planning a Quantum Hot Standby System . . . . . . . . . . . . . . . 55 Chapter 6 Using a Quantum 984 HSBY System . . . . . . . . . . . . . . . . . . . . 67 Chapter 7 Using a Quantum IEC Hot Standby System . . . . . . . . . . . . .109 Chapter 8 Additional Guidelines for IEC Hot Standby . . . . . . . . . . . . . .147 Chapter 9 Ethernet Hot Standby Solution. . . . . . . . . . . . . . . . . . . . . . . . 163 Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 223 Page Safety Information Important Information DANGER WARNING CAUTION Page About the Book Page Overview of Quantum Hot Page 1.1 Control Primary and Standby Control Hardware Components in a Quantum Hot Standby System Fiber Optic Cable Guide, p. 213 The CHS 110 Hot Standby Module Com Act Error Patterns, p.209 Page 1.2 Operation Modes of Operation Replacement, p.192 Page 1.3 Cabling Fiber Optic Cable The CHS 210 Hot Standby Kit 1.4 984 HSBY and IEC HSBY 984 HSBY Using a Quantum 984 HSBY System, p. 67 Replacement, p.192 IEC HSBY Using a Quantum IEC Hot Standby System , p.109 Updating PLC System Executives in an IEC HSBY System, p.200 Quantum IEC Hot Standby Architecture PRIMARY SECONDARY REMOTE I/O Page Theory of 984 Ladder Logic HSBY Operation How a 984 HSBY System Works System Scan Time Page PLC Scan Times, p.34 The State RAM Transfer and Scan Time Page Default Transfer Area Page Customizing Options Additional Guidelines for IEC Hot Standby , p.147 Custom Scans up using multiple scans to transfer all the data. Page Theory of IEC HSBY Operation IEC Hot Standby Definitions All State RAM transferred, p.52 How an IEC HSBY System Works System Scan Time Page Page Overall PLC Scan Time, p.49 State Ram Transfer and Scan Time Section Transfer Control, p.135 All State RAM transferred The following diagram shows the state RAM transfer area. Layout of completely transferred state RAM in an IEC Hot Standby system Page Planning a Quantum Hot Standby System Guidelines for Planning a Hot Standby System Electrical Safety Precautions Remote I/O Cable Topologies Remote I/O Cable System Planning and Installation Guide, A Dual Cable Configuration, p. 60 A Single Cable Configuration, p.59 A Single Cable Configuration Diagram of a Single Cable The following diagram shows a single cable configuration for the Quantum Hot Standby system. A Dual Cable Configuration Diagram of a Dual Cable The following diagram shows a dual cable c o nfiguration for the Quantum Hot Standby system. Installation How to Install a Hot Standby System Page Page Page Page Page Page Page 6.1 Configuration Configuring 984 HSBY Modicon Quantum Hot Standby System Planning and Installation Guide Page Configuration Extension CHS Instruction Ladder Logic Block Library User Guide 6.2 Using the CHS Instruction Block Using CHS Instruction Block Command Register Default Transfer Area, p.38 Page Elements of the Nontransfer Area Nontransfer Area Page The Hot Standby Status Register The Reverse Transfer Registers Reverse Transfer Logic Example Page 6.3 Using Configuration Extension Page Hot Standby Dialog Bits in the Hot Standby Command Register Page Keyswitch Override and Run Mode A Software Control Example Standby on Logic Mismatches Page Transfer All State RAM Hot Standby Status Register for Configuration Extension Advanced Options Defining the Transfer Area of State RAM System Scan Time, p.33 Page Transferring Additional State RAM Data Using a Quantum 984 HSBY System Additional Data The diagram below illustrates transfer of additional State RAM data. Scan Transfers 6.4 Operation Starting Your Hot Standby System Page Synchronizing Time-of-Day Clocks The following diagram shows synchronizing time-of-day clocks. While Your System Is Running Using a Quantum IEC Hot Standby System Page 7.1 Configuration Loading the Software Page Controlling the Hot Standby System by Configuration Extension Loading the Software, p.112 7.2 Hot Standby Dialog Hot Standby dialog Concept 2.5 shown Standby. Specifying the Command Register Hot Standby Command Register Enable Keyswitch Override Options for Software Control Example Option 1 Option 2 Advanced Options Concept 2.5 WARNING!! Page Standby on Logic Mismatch Page State RAM, p. 129 Swapping Addresses at Switchover State RAM, p. 129 7.3 State RAM Nontransfer Area of State RAM Page Hot Standby Status Register Memory Partition State RAM, p.155 State RAM Size 7.4 Section Transfer Control Section Transfer Control Normal Operation, p. 140 Additional Guidelines for IEC Hot Standby , p.147 Page Select Component of Type BOOL OK Cancel Help Components LD1: SECT CTRL disable: BOOL hsby State: BYTE 7.5 Operation Starting Your Hot Standby System Start Standby The following table shows the steps to starting Standby. 140 CHS 110 00 140 CHS 110 00 RIO Head 7.6 Normal Operation Memory/Scantime optimization Additional Guidelines for IEC Hot Standby , p.147 A screenshot of the Memory Prediction dialog is shown below. Page Synchronizing Time of Day Clocks While Your System Is Running Additional Guidelines for IEC Hot Standby Page 8.1 General Application Requirements Memory Savings Memory Statistics Page Memory Partition Page 8.2 State RAM Efficient Use of State RAM Page 8.3 Efficiency Tips Use Constants Instead of Equal Literals Page Page Programmed Logic Reduce the Use Of Complex Data Structures Ethernet Hot Standby Solution Overview of Hot Standby Solution for NOEs Quantum NOE 771 xx Ethernet Modules User Guide Page Hot Standby Topology NOE Configuration and Hot Standby IP Address Assignment NOE Operating Modes and Hot Standby Page Page Page Address Swap Times Quantum NOE 771 xx Ethernet Modules User Guide Network Effects of Hot Standby Solution Page Page Maintenance Page 10.1 Health of a Hot Standby System Verifying Health of a Hot Standby System Additional Checks Page 10.2 Errors Startup Errors Quantum Automation Series Hardware Reference Guide Communications Errors Com Act Error Patterns, p.209 Board Level Errors 10.3 Failures Detecting Failures in a Hot Standby System Detecting Failures in the Primary Backplane Standby module and RIO head to the chart below: Com Act Error Patterns, p. 209 Com Act Error Patterns, p.209 Com Act Error Patterns, p. 209 Detecting Failures in the Standby Backplane Standby module and RIO head to the chart below. Failure of Fiber Link from Primary Transmit to Standby Receiver 10.4 Replacement Replacing a Hot Standby Module Changing the Program and Performing a Program Update Page Page Page Updating PLC System Executives in a 984 HSBY System Page Updating PLC System Executives in an IEC HSBY System 10.5 Testing Forcing a Switchover Primary Standby Page Page Specifications for CHS 110 Hot Specifications Specifications for CHS 110 Hot Standby Page Appendices Appendices for Quantum Hot Standby Planning and Installation Guide Page A Com Act Error Patterns CHS 110 Hot Standby Module Error Patterns type of error and the codes possible for that group (all codes are in hex). CRP Remote I/O Head Processor Error Patterns Error Patterns The following table shows error patterns. Page B Fiber Optic Cable Guide Fiber Optic Cable Other Tools Suggested Tools include: Other Tools Other Tools Suggested tools include C ProWORX Nxt Configuration ProWORX Nxt Hot Standby Configuration Extension Configuration Extensions Dialog Screen <Hot Standby (Quantum)> dialog screen Page Registers dialog screen: Page C B A Index Numerics A C H I K L M T

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