State Industries GFK-0827 manual Redundancy Option Key See Table

Page 96

A

No

START
			Fault
ESD	Yes	FAILURE	Tolerant
SYSTEM		STRATEGY

a47009

TRIPLEX

CPUS

HOT STANDBY (2 CPUS) OPTIONS

SINGLE

BUS

REDUNDANT

BUS

LOW COST

LOWEST COST

I/O COUNT

>512 IN/512 OUT

VME

ISO/ETHERNET

THERMOCOUPLE/

RTD

HIGH DENSITY

ANALOG IN

Redundancy

Option Key

(see Table 1)

1, 2, 3

1, 2

1B

1D

1A-C, 2, 3

1A-C, 2, 3

1A-C, 2, 3

1C, 3C

1A, 3A

Fail Safe

OPTIONS


DUPLEX
CPUS
APPLICATION			4
			4

LOGIC

DUPLEX
CPUS			5A
CPUS			5A
PRODUCT

5B

Use This Guide to Select the

Redundancy Option Key for the

Available Redundancy Options

Figure 9. Guide to Selection of Redundancy Option Key for Table 1 (Redundancy Options)

86

Series 90-70 Hot Standby CPU Redundancy User's Guide - December 1993

GFK-0827

Image 96

Contents GE Fanuc Automation GFL±002 Content of this Manual Related PublicationsPreface We Welcome Your Comments and SuggestionsContents Chapter System Components Chapter Configuration Chapter Operation System Operation Fault Detection and Control Actions Synchronized Hot Standby CPU Redundancy System Configuration Contents Chapter Introduction Hot Standby CPU Redundancy ProductGFK-0827 Features of the Hot Standby CPU Redundancy Product Benefits of the Hot Standby CPU Redundancy ProductSystems for Hot Standby CPU Redundancy Systems Genius I/O SystemLocal I/O System Cable ConnectionsBasic Hot Standby Operation Control StrategySynchronized Hot Standby CPU Redundancy System Configuration Redundancy CPU Module Redundancy Communications ModuleBumpless Switching Switch to Backup Unit TimeSynchronized CPUs Effect on Scan TimeConfigurable Backup Data Size On-Line ProgrammingOn-Line Repair Configuration Requirements Programming ConsiderationsDefinition of Terms Term DefinitionCommonly Used Acronyms Acronym DefinitionChapter System Components Redundancy CPUWatchdog Timer CPU ArchitectureCapacities for Redundancy CPU, IC697CPU780 CPU Features Redundancy CPU IC697CPUCPU Mode Switch Valid Operating Mode SelectionMemor y Protect Keyswitch Battery ConnectorsCPU Status LEDs Serial Port Connector Expansion Memory BoardExpansion Memory Boards for CPU RCM Features Redundancy Communications ModuleRCM System Status Leds Board OKRCM Connectors Unit Selection PushbuttonLED Status Indicators Bus Transmitter ModuleBTM Connectors Bus Receiver ModuleBus Signal Termination BRM ConnectorsGenius Bus Controller Genius Bus Controller User Features GBC Connectors RacksChapter Configuration Configuring a Hot Standby CPU Redundancy SystemBasic Redundancy System Setup Logicmaster 90 ConfigurationSystem Configuration Redundancy System RequirementsScreens for Fault Category Configuration Monitor or Online modeConfiguration with Logicmaster Handling FoldersConfiguration of a Redundancy CPU Module GFK-0827 Redundant CPU Requirements Normal Sweep Mode Redund TypeBackground Window Constant Window Sweep Mode Constant Sweep ModeCtrl Strgy Fail WaitShared I/O Shared I/O Data Parameters Shared I/O Reference ValuesTransfer Data Size Reference Type ReferenceSize CalculationforNumberofBytesConfiguring a CPU Expansion Memory Board Configuration of a Redundancy Communications Module Configuration Configuration of a Genius Bus Controller Paired GBC ParameterSerial 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 Power-Up Sequence of a Redundant CPU Chapter OperationIncompatible Configurations Resynchronization of the Redundant CPU Hot-Standby Redundancy Control Strategy Synchronous Scan First Data Transfer %I, %AI and SynchronizationData Transfer from Backup Unit to Active Unit Switching Control to Backup Unit Second Data Transfer %Q, %AQ, %R, and %MRole Switch Svcreq References for CPU Redundancy Definition for% S Reference for Redundancy StatusRedundancy CPU Considerations RUN Disabled Mode Differences in Operation for CPURUN/ENABLED Locrdy Locact Remrdy Remact Configuration of Fault Actions Stop to RUN Mode Transition Background Window TimeWords per Sweep = Timed Contacts Ovrpre %S ReferenceGenius Bus Controller Switching Fault Detection Fault CategoriesChanging Fault Category Actions PLC Fault Table Fault Zoom Help Text for Redundancy Error CodesFaulting RCMs, Losing Links, and Terminating Communications GFK-0827 Fault Actions in a CPU Redundancy System Maskable Fault Group DescriptionsMaskable Fault Group Actions UserConfigurableNon-Maskable Fault Group Descriptions Non-Maskable Fault Action DescriptionsOn-Line Repair Maintaining Parallel Bus TerminationOn-Line Repair Recommendations Power Supply RacksCentral Processor Unit Redundancy Communications Module and CablesRedundancy Communications Link Failures Bus Transmitter ModuleGenius Bus Controller Genius Bus GeniusBlocksAppendix Redundancy Alternatives Redundancy AlternativesRedundancy Option Key See Table RedundancyOptions PLCSeries 90-70 Redundancy Through Application Logic Index Index Index Index Index