State Industries FANUC GFK-0827 Uživatelský manuál

GE Fanuc AutomationProgrammable Control ProductsSeries 90 -70Hot Standby CPU RedundancyUser’s GuideGFK-0827 December 1993

Contents xGFK–0827 Series 90–70 Hot Standby CPU Redundancy User’s Guide – December 1993Figure 1. Example of a Local I/O Configuration with Expansion

Index90GFK-0827Connecting Logicmaster 90, 31 Connector, serial port, 18 Connectors, battery, 17 Considerations, programming, 10 Considerations, re

Index91GFK-0827Genius bus, multiple, 26 Genius I/O, bus controller, 24 Genius I/O system, 4 Grounding, programmer, 9 Guidelines for run disabled m

Index92GFK-0827Operation, differences for cpu 780, 65 Operation of a cpu redundancy system,55 OVR_PRE %S reference, 70 PParallel bus termination, 8

Index93GFK-0827SS (%), references, 7 Scan time, effect of bumpless switching, 8Scan, synchronous, 59 Screens for fault category, 29 Secondary unit

Contents xiGFK–0827 Series 90–70 Hot Standby CPU Redundancy User’s Guide – December 1993Table 1. Capacities for Redundancy CPU, IC697CPU780 14 . . .

1section level 1 1figure bi level 1 table_big level 1 restart lowapp ARestart oddapp: ARestarts for autonumbers that do not restart ineach chapte

1 2 Series 90-70 Hot Standby CPU Redundancy User’s Guide – December 1993GFK-0827contains all redundant Genius Bus Controllers at Serial Bus Address 31

1 3GFK-0827 Chapter 1 IntroductionFeatures of the Hot Standby CPU Redundancy ProductBumpless switchingSynchronized CPUs20 millisecond scan extension

1 4 Series 90-70 Hot Standby CPU Redundancy User’s Guide – December 1993GFK-0827I/O Systems for Hot Standby CPU Redundancy SystemsBoth Series 90-70 Lo

1 5GFK-0827 Chapter 1 IntroductionYYCBTMRCMGBC31PRIMARY UNIT SECONDARY UNIT30BLOCKBLOCKSCANNERREMOTE DROPIOIOIOIOIOIOPSIOIOPSPSBTMGBCBLOCKIOIOIOIOIOI

1 6 Series 90-70 Hot Standby CPU Redundancy User’s Guide – December 1993GFK-0827for three consecutive Genius I/O bus scans, the outputs are then contr

1 7GFK-0827 Chapter 1 IntroductionRedundancy CPU ModuleThe same model of CPU must be installed in both the Primary and Secondary PLCs.This CPU, which

1 8 Series 90-70 Hot Standby CPU Redundancy User’s Guide – December 1993GFK-0827the two CPUs and provides the communications path for the transfer of

GFL–002Warnings, Cautions, and Notesas Used in this PublicationWarningWarning notices are used in this publication to emphasize that hazardous voltage

1 9GFK-0827 Chapter 1 IntroductionIf the switch occurs due to a controlled condition such as toggling the unit selectionswitch on the Redundancy Comm

1 10 Series 90-70 Hot Standby CPU Redundancy User’s Guide – December 1993GFK-0827Programming ConsiderationsThere are several features in the operation

1 11GFK-0827 Chapter 1 IntroductionThe Primary Unit and the Secondary Unit must be configured separately. That is, theprogramming device should be c

1 12 Series 90-70 Hot Standby CPU Redundancy User’s Guide – December 1993GFK-0827Commonly Used AcronymsA list of acronyms used in this manual are defi

2section level 1 1figure bi level 1 table_big level 1 13GFK-0827Chapter 2 System ComponentsThis chapter describes the hardware components for a

2 14 Series 90-70 Hot Standby CPU Redundancy User’s Guide – December 1993GFK-0827CPUCPUBTMRCMGBC31PRIMARY UNIT SECONDARY UNIT30PSPSBTMRCMGBCGenius Bus

2 15GFK-0827 Chapter 2 System Componentstimer is 10 milliseconds to 1000 milliseconds. The default value for the watchdog timer is200 milliseconds.

2 16 Series 90-70 Hot Standby CPU Redundancy User’s Guide – December 1993GFK-0827CPU Mode Switch A three-position toggle switch is mounted near the t

2 17GFK-0827 Chapter 2 System ComponentsMemory Protect KeyswitchThe Memory Protect keyswitch is located at the top of the module and has twopositions

2 18 Series 90-70 Hot Standby CPU Redundancy User’s Guide – December 1993GFK-0827Serial Port Connector The 15-pin D-connector at the bottom of the mod

iii GFK-0827PrefaceThis manual is a reference to the hardware components, configuration and operation ofthe Hot Standby CPU Redundancy system for the

2 19GFK-0827 Chapter 2 System ComponentsRedundancy Communications ModuleThe Redundancy Communications Module (RCM), catalog number IC697RCM711, provi

2 20 Series 90-70 Hot Standby CPU Redundancy User’s Guide – December 1993GFK-0827CBTMRCM31PRIMARY UNIT SECONDARY UNIT30PSPSBTMRCMRedundancy Communicat

2 21GFK-0827 Chapter 2 System ComponentsLOCAL SYSTEM ACTIVEIndicates whether the local unit is the controlling (or active) unit in a redundancysystem

2 22 Series 90-70 Hot Standby CPU Redundancy User’s Guide – December 1993GFK-0827Bus Transmitter Module A Bus Transmitter Module (BTM), catalog number

2 23GFK-0827 Chapter 2 System ComponentsBTM Connectors There are two connectors on the front of the BTM board. The top one provides a parallelconnec

2 24 Series 90-70 Hot Standby CPU Redundancy User’s Guide – December 1993GFK-0827I/O Bus Signal Termination The I/O bus signals must be terminated at

2 25GFK-0827 Chapter 2 System ComponentsThe Hot Standby CPU Redundancy system uses a single Genius bus and requires one GBCmodule in the Primary PLC

2 26 Series 90-70 Hot Standby CPU Redundancy User’s Guide – December 1993GFK-0827CH 1 OKThe CH 1 OK LED is the middle LED. It operates identical to t

3section level 1 1figure bi level 1 table_big level 1 27GFK-0827Chapter 3 ConfigurationThis chapter describes how to configure a Series 90-70 PL

3 28 Series 90-70 Hot Standby CPU Redundancy User’s Guide – December 1993GFK-0827Redundancy System RequirementsFor a redundant CPU configuration using

PrefaceivHot Standby CPU Redundancy User’s Manual - December 1993GFK-0827Series 90-70 PLC Reference Manual (GFK-0265). Reference manual which describ

3 29GFK-0827 Chapter 3 ConfigurationScreens for Fault Category ConfigurationA new Fault Category Configuration screen is displayed for the CPU 780. T

3 30 Series 90-70 Hot Standby CPU Redundancy User’s Guide – December 1993GFK-0827The Fault Type is shown at the left. The first column under Fault Ca

3 31GFK-0827 Chapter 3 Configurationcable connecting the PLC to the programmer should only be plugged and unpluggedwhen the programmer is powered up a

3 32 Series 90-70 Hot Standby CPU Redundancy User’s Guide – December 1993GFK-0827The detail screen of the currently configured CPU module is displayed

3 33GFK-0827 Chapter 3 ConfigurationIf the existing configuration does not require any modification to suit the redundantCPU configuration, the prompt

3 34 Series 90-70 Hot Standby CPU Redundancy User’s Guide – December 1993GFK-08273. In a redundant CPU system, RCMs cannot be configured in expansion

3 35GFK-0827 Chapter 3 ConfigurationConstant Window Sweep ModeTo change the Sweep Mode, move the cursor to the Sweep Mode field and press the Ta bkey

3 36 Series 90-70 Hot Standby CPU Redundancy User’s Guide – December 1993GFK-0827set for SIMPLEX mode. The parameters on this screen are Ctrl Strgy (

3 37GFK-0827 Chapter 3 ConfigurationTable 4. Shared I/O Data ParametersI/O Parameter Description and Valid Entries%I Ref Adr Starting address for red

3 38 Series 90-70 Hot Standby CPU Redundancy User’s Guide – December 1993GFK-0827Note that the memory for the Shared I/O data that is stored at config

Contents vGFK–0827 Series 90–70 Hot Standby CPU Redundancy User’s Guide – December 1993Chapter 1 Introduction 1 . . . . . . . . . . . . . . . . . . .

3 39GFK-0827 Chapter 3 ConfigurationConfiguring a CPU Expansion Memory BoardTo configure a CPU expansion memory board for the CPU 780, press the expbd

3 40 Series 90-70 Hot Standby CPU Redundancy User’s Guide – December 1993GFK-0827Configuration of a Redundancy Communications ModuleAs described previ

3 41GFK-0827 Chapter 3 ConfigurationTo display the RCM catalog list, press the rcm softkey (F3). The RCM catalog list is thendisplayed as shown below

3 42 Series 90-70 Hot Standby CPU Redundancy User’s Guide – December 1993GFK-0827Configuration of a Genius Bus ControllerFor this example, assume that

3 43GFK-0827 Chapter 3 ConfigurationSerial Bus AddressAll redundant GBCs in the Primary CPU redundant system MUST be configured at SBA31. In the samp

3 44 Series 90-70 Hot Standby CPU Redundancy User’s Guide – December 1993GFK-0827Configuring a Primary Redundant PLCThe steps required for configuring

3 45GFK-0827 Chapter 3 ConfigurationSelect the Redundancy CPU ModuleMove the cursor to the line for the Redundant CPU, IC697CPU 780, and press the Ent

3 46 Series 90-70 Hot Standby CPU Redundancy User’s Guide – December 1993GFK-0827Press the PgDn key again to go to the next page of the CPU module. T

3 47GFK-0827 Chapter 3 ConfigurationPress the Esc key twice to return to the rack level display, which now appears as shownbelow.Configure the Redunda

3 48 Series 90-70 Hot Standby CPU Redundancy User’s Guide – December 1993GFK-0827Configure a Genius Bus ControllerTo configure a Genius Bus Controller

Contents viGFK–0827 Series 90–70 Hot Standby CPU Redundancy User’s Guide – December 1993Chapter 2 System Components 13 . . . . . . . . . . . . . . .

3 49GFK-0827 Chapter 3 ConfigurationPress the Esc key to return to the rack level screen. From the rack level screen press thezoom softkey (F10). Th

3 50 Series 90-70 Hot Standby CPU Redundancy User’s Guide – December 1993GFK-0827At this point, Press the Esc key and the bus screen will appear as sh

3 51GFK-0827 Chapter 3 ConfigurationWhen you have completed configuring Genius blocks, press the Esc key to go from theblock level display back to the

3 52 Series 90-70 Hot Standby CPU Redundancy User’s Guide – December 1993GFK-0827Configuring a Secondary Redundant PLCThis section describes the steps

3 53GFK-0827 Chapter 3 ConfigurationPosition the cursor on rack 0, slot 1. Press the zoom softkey (F10) to zoom into the CPUmodule configured in slot

3 54 Series 90-70 Hot Standby CPU Redundancy User’s Guide – December 1993GFK-0827Press the Esc key twice to save the changes you have just made. This

4section level 1 1figure bi level 1 table_big level 1 55GFK-0827Chapter 4 OperationThis chapter discusses:the normal operation of a Hot Standby

4 56 Series 90-70 Hot Standby CPU Redundancy User’s Guide – December 1993GFK-08274. System Configuration verified.5. System interrogated and initializ

4 57GFK-0827 Chapter 4 OperationResynchronization of the Redundant CPUWhenever a CPU is attempting to get back in synchronization with the currently

4 58 Series 90-70 Hot Standby CPU Redundancy User’s Guide – December 1993GFK-0827Hot-Standby Redundancy Control StrategyIn the Hot-Standby Redundancy

Contents viiGFK–0827 Series 90–70 Hot Standby CPU Redundancy User’s Guide – December 1993Chapter 3 Configuration 27 . . . . . . . . . . . . . . . . .

4 59GFK-0827 Chapter 4 OperationSynchronous ScanThe figure below shows the sweep components for the active and the backup CPUs. Itshows the two comm

4 60 Series 90-70 Hot Standby CPU Redundancy User’s Guide – December 1993GFK-0827The transfer of the redundancy data during each sweep will be in bloc

4 61GFK-0827 Chapter 4 Operationthrough %P0008 on the backup unit will not change. %T0002 will be set whenever theoperation is successful and the d

4 62 Series 90-70 Hot Standby CPU Redundancy User’s Guide – December 1993GFK-0827If the switch occurs due to a controlled condition such as toggling t

4 63GFK-0827 Chapter 4 Operation%S References for CPU RedundancyThere are seven special %S references which reflect the status of the Redundancy unit

4 64 Series 90-70 Hot Standby CPU Redundancy User’s Guide – December 1993GFK-0827Redundancy CPU ConsiderationsThe Redundancy CPU (CPU 780) has several

4 65GFK-0827 Chapter 4 OperationDifferences in Operation for CPU 780The following features operate differently with the CPU 780 than they do with oth

4 66 Series 90-70 Hot Standby CPU Redundancy User’s Guide – December 1993GFK-0827Following are several examples that illustrate the above guidelines.

4 67GFK-0827 Chapter 4 OperationE. Role switches are allowed on both units.Primary Unit Secondary UnitBackup Active (see NOTE below)RUN/ENABLED RUN/

4 68 Series 90-70 Hot Standby CPU Redundancy User’s Guide – December 1993GFK-0827Specific fault actions are described in Section 2 of this Chapter. H

Contents viiiGFK–0827 Series 90–70 Hot Standby CPU Redundancy User’s Guide – December 1993Chapter 4 Operation 55 . . . . . . . . . . . . . . . . . .

4 69GFK-0827 Chapter 4 OperationBackground User Checksum and Background WindowTiming InstructionsThe following information is provided to allow you t

4 70 Series 90-70 Hot Standby CPU Redundancy User’s Guide – December 1993GFK-0827Where the Background Window Time is the time in milliseconds that you

4 71GFK-0827 Chapter 4 OperationGenius Bus Controller SwitchingGenius Bus Controllers will stop sending outputs to blocks when no data has beenreceiv

4 72 Series 90-70 Hot Standby CPU Redundancy User’s Guide – December 1993GFK-0827Section 6: Fault Detection and Control ActionsThis section describes

4 73GFK-0827 Chapter 4 Operation3. faults and failures that are detected in the background.Faults and failures that are detected immediately are thos

4 74 Series 90-70 Hot Standby CPU Redundancy User’s Guide – December 1993GFK-0827PLC Fault TableThe following table lists fault zoom Help text and mes

4 75GFK-0827 Chapter 4 OperationFaulting RCMs, Losing Links, and Terminating CommunicationsThere are distinct differences between losing a redundant

4 76 Series 90-70 Hot Standby CPU Redundancy User’s Guide – December 1993GFK-0827In this case, if the RCM is at fault, it will need to be replaced bef

4 77GFK-0827 Chapter 4 OperationFault Actions in a CPU Redundancy SystemFault actions in the Hot Standby CPU Redundancy System are handled differentl

4 78 Series 90-70 Hot Standby CPU Redundancy User’s Guide – December 1993GFK-0827Table 10. Maskable Fault Group ActionsFault ActionFault GroupSimplex

Contents ixGFK–0827 Series 90–70 Hot Standby CPU Redundancy User’s Guide – December 1993Section 2: Fault Detection and Control Actions 72 . . . . . .

4 79GFK-0827 Chapter 4 OperationTable 11. Non-Maskable Fault Group DescriptionsFault GroupTableType DescriptionSYS_BUS_FAIL CPU System bus failure.N

4 80 Series 90-70 Hot Standby CPU Redundancy User’s Guide – December 1993GFK-0827On-Line RepairWith a Hot Standby CPU Redundancy system most system co

4 81GFK-0827 Chapter 4 OperationPower SupplyThe power supply has adequate internal fault detection which will cause it toautomatically shut down if t

4 82 Series 90-70 Hot Standby CPU Redundancy User’s Guide – December 1993GFK-0827If an RCM fault is detected, proceed as follows:STOP the unit with th

4 83GFK-0827 Chapter 4 OperationGenius BusGenius bus faults are not fatal to the PLC. However, if a bus fault exists, it exists for bothsystems. Ther

Asection level 1 1figure_ap level 1 table_ap level 1 85GFK-0827Appendix A Redundancy Alternatives Redundancy AlternativesThere are several redunda

A 86 Series 90-70 Hot Standby CPU Redundancy User’s Guide - December 1993GFK-0827HOT STANDBY(2 CPUS) OPTIONSSINGLE BUSREDUNDANT BUSLOW COSTLOW

AGFK-0827 87Appendix A Redundancy AlternativesTable 13. Redundancy OptionsOptionKeyPLC ScanSyncDataSyncI/O SystemOutputSelectionMethodRedund. BusRed

A 88 Series 90-70 Hot Standby CPU Redundancy User’s Guide - December 1993GFK-0827Series 90-70 Redundancy Through Application LogicThe following rest

Index89GFK-0827AAcronyms, list of, 12 Active and backup sweeps, 59 Active unit, 2 , 4 , 7 , 8 , 9 , 16 , 19 , 20 ,21 , 25 , 57 , 58 , 59