GE Fanuc Automation | State Industries GFK-0827 instruction

GE Fanuc Automation

Programmable Control Products

Series 90t-70

Hot Standby CPU Redundancy

User's Guide

GFK-0827

December 1993

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State Industries GFK-0827 manual GE Fanuc Automation

Contents

GE Fanuc Automation GFL±002 Related Publications Content of this Manual We Welcome Your Comments and Suggestions Preface Contents Chapter System Components Chapter Configuration Chapter Operation System Operation Fault Detection and Control Actions Synchronized Hot Standby CPU Redundancy System Configuration Contents Hot Standby CPU Redundancy Product Chapter Introduction GFK-0827 Benefits of the Hot Standby CPU Redundancy Product Features of the Hot Standby CPU Redundancy Product Genius I/O System Systems for Hot Standby CPU Redundancy SystemsLocal I/O System Cable Connections Control Strategy Basic Hot Standby Operation Synchronized Hot Standby CPU Redundancy System Configuration Redundancy Communications Module Redundancy CPU Module Switch to Backup Unit Time Bumpless SwitchingSynchronized CPUs Effect on Scan Time On-Line Programming Configurable Backup Data SizeOn-Line Repair Programming Considerations Configuration Requirements Term Definition Definition of Terms Acronym Definition Commonly Used Acronyms Redundancy CPU Chapter System Components CPU Architecture Watchdog TimerCapacities for Redundancy CPU, IC697CPU780 Redundancy CPU IC697CPU CPU Features Valid Operating Mode Selection CPU Mode Switch Battery Connectors Memor y Protect KeyswitchCPU Status LEDs Expansion Memory Board Serial Port ConnectorExpansion Memory Boards for CPU Redundancy Communications Module RCM Features Board OK RCM System Status Leds Unit Selection Pushbutton RCM Connectors Bus Transmitter Module LED Status Indicators Bus Receiver Module BTM Connectors BRM Connectors Bus Signal TerminationGenius Bus Controller Genius Bus Controller User Features Racks GBC Connectors Configuring a Hot Standby CPU Redundancy System Chapter Configuration Logicmaster 90 Configuration Basic Redundancy System SetupSystem Configuration Redundancy System Requirements Monitor or Online mode Screens for Fault Category Configuration Handling Folders Configuration with Logicmaster Configuration of a Redundancy CPU Module GFK-0827 Redundant CPU Requirements Redund Type Normal Sweep ModeBackground Window Constant Sweep Mode Constant Window Sweep Mode Fail Wait Ctrl StrgyShared I/O Shared I/O Reference Values Shared I/O Data Parameters Reference Type ReferenceSize CalculationforNumberofBytes Transfer Data Size Configuring a CPU Expansion Memory Board Configuration of a Redundancy Communications Module Configuration Paired GBC Parameter Configuration of a Genius Bus Controller Serial Bus Address Configuring a Primary Redundant PLC Select the Redundancy CPU Module Select an Expansion Memory Board Configure the Redundant Communications Module Configure a Genius Bus Controller Configuration Configure Genius I/O Blocks Configure the Bus Transmitter Module Configuring a Secondary Redundant PLC Change Redund Type GFK-0827 Chapter Operation Power-Up Sequence of a Redundant CPU Incompatible Configurations Resynchronization of the Redundant CPU Hot-Standby Redundancy Control Strategy First Data Transfer %I, %AI and Synchronization Synchronous Scan Data Transfer from Backup Unit to Active Unit Second Data Transfer %Q, %AQ, %R, and %M Switching Control to Backup Unit Role Switch Svcreq Definition for% S Reference for Redundancy Status References for CPU Redundancy Redundancy CPU Considerations Differences in Operation for CPU RUN Disabled Mode RUN/ENABLED Locrdy Locact Remrdy Remact Configuration of Fault Actions Background Window Time Stop to RUN Mode Transition Words per Sweep = Ovrpre %S Reference Timed Contacts Genius Bus Controller Switching Fault Categories Fault Detection Changing Fault Category Actions Fault Zoom Help Text for Redundancy Error Codes PLC Fault Table Faulting RCMs, Losing Links, and Terminating Communications GFK-0827 Maskable Fault Group Descriptions Fault Actions in a CPU Redundancy System UserConfigurable Maskable Fault Group Actions Non-Maskable Fault Action Descriptions Non-Maskable Fault Group Descriptions Maintaining Parallel Bus Termination On-Line RepairOn-Line Repair Recommendations Racks Power SupplyCentral Processor Unit Redundancy Communications Module and Cables Bus Transmitter Module Redundancy Communications Link FailuresGenius Bus Controller GeniusBlocks Genius Bus Redundancy Alternatives Appendix Redundancy Alternatives Redundancy Option Key See Table PLC RedundancyOptions Series 90-70 Redundancy Through Application Logic Index Index Index Index Index