GE 90-70 manual With redundancy in other fault groups

Page 68

5

Error

 

 

 

 

 

 

 

 

 

 

 

Code

 

 

Message

 

Fault Description

 

 

Corrective Action

9

 

Primary and Secondary

The local unit cannot be placed in RUN

 

Modify the configuration or terminate

 

 

Units are Incompatible

mode when its redundancy configuration is

 

the C debugger session.

 

 

 

 

 

 

 

incompatible with the remote unit. This

 

 

 

 

 

 

 

 

 

 

error is logged when (1) Store of an

 

 

 

 

 

 

 

 

 

 

incompatible configuration is attempted and

 

 

 

 

 

 

 

 

 

 

(2) attempting to synchronize with an

 

 

 

 

 

 

 

 

 

 

incompatible configuration. This error is

 

 

 

 

 

 

 

 

 

 

also logged when the local unit and/or the

 

 

 

 

 

 

 

 

 

 

remote unit has a C debugger session active

 

 

 

 

 

 

 

 

 

 

and the units are attempting to synchronize.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10

 

CPU to CPU

 

Synchronization protocol has been violated.

 

If this fault is also accompanied by an

 

 

communications

 

 

 

 

RCM failed fault, replace the failed RCM:

 

 

terminated

 

 

 

 

otherwise power cycle the CPU or CPUs.

11

 

Redundant Link has timed

The RCM has timed out while waiting on

 

Power cycle the back-up CPU (CPU not

 

 

out

 

 

 

 

communications from the other unit.

 

controlling the process); increase the fail

 

 

 

 

 

 

 

 

 

 

wait time.

12

 

Units Are Not Fully

Due to actions taken by the user, the two

 

Enable the data transfer copy on the

 

 

Synchronized

 

units in a CPU redundant system are not

 

backup unit

 

 

 

 

 

 

 

fully synchronized. This means the backup

 

 

 

 

 

 

 

 

 

 

unit is not executing with the same inputs

 

 

 

 

 

 

 

 

 

 

and/or outputs as the active unit while the

 

 

 

 

 

 

 

 

 

 

units are synchronized due to data transfers

 

 

 

 

 

 

 

 

 

 

being disabled.

 

 

 

 

 

 

 

 

 

 

 

 

 

>12

 

CPU Redundancy Status

A change in the status of the system has

 

Corrective action to be taken depends on

 

 

has Changed

 

occurred.

 

 

the error code.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The following table lists messages, descriptions, and corrective actions for error codes associated

 

 

 

 

with redundancy in other fault groups.

 

 

 

 

 

 

 

 

 

 

 

 

Group

 

Error

 

 

 

 

 

 

 

 

 

 

 

Code

 

Message

Fault Description

 

Corrective Action

Loss of

 

 

57

 

Redundant link hard

The RCM has been faulted due to an

Power cycle the rack with the

Option

 

 

 

 

failure occurred.

error while accessing memory.

 

faulted RCM. If the RCM's

Module

 

 

 

 

 

 

 

 

 

BOARD OK LED is on, replace

 

 

 

 

 

 

 

 

 

 

 

the cable between the RCM and

 

 

 

 

 

 

 

 

 

 

 

the BTM. If the RCM's BOARD

 

 

 

 

 

 

 

 

 

 

 

OK LED is off, replace the RCM.

 

 

 

 

 

 

 

PLC Software

 

148

 

Units contain

The firmware in the redundant CPUs

Upgrade the CPUs so that they

 

 

 

 

 

 

mismatched firmware;

has different revision levels. Having

have the same revision of

 

 

 

 

 

 

update recommended.

different revisions of firmware in the

firmware according to the

 

 

 

 

 

 

 

 

CPUs is intended for short-term

 

firmware upgrade procedure.

 

 

 

 

 

 

 

 

synchronization only as some change in

 

 

 

 

 

 

 

 

 

the behavior of the system may be

 

 

 

 

 

 

 

 

 

experienced when mixing revisions.

 

 

 

 

 

 

 

 

 

 

 

 

 

5-4

Series 90™-70 Enhanced Hot Standby CPU Redundancy User's Guide – May 2000

GFK-1527A

Page 67 Page 69
Image 68
Page 67 Page 69
Contents GE Fanuc Automation GFL-002 Related Publications Content of This ManualPreface Preface Contents Contents Chapter Fault Detection Appendix a Cabling Information Introduction Definition of TermsEnhanced Hot Standby CPU Redundancy Using the Redundancy CPU for Non-Redundant Operation Compatibility with CPU780Differences in Operation for Redundancy CPUs Features not Available with Redundancy CPUsRedundancy CPUs as Compared to Other Series 90-70 CPUs Enhanced Redundancy CPU Module Redundancy Communications ModuleRedundant Racks Systems for Enhanced Hot Standby CPU RedundancyCable Connections Genius I/OLocal I/O Enhanced Hot Standby CPU Redundancy System with Local I/O Local I/0 Can beGDB Control Strategy Control StrategiesGHS Control Strategy Output Control with GDB Basic Enhanced Hot Standby OperationOutput Control with GHS Basic CPU Redundancy Setups Single Bus with Preferred Master GHS Control StrategySingle Bus with Floating Master GDB Control Strategy Critical Data + Redundant Outputs TransferredDual Bus with Floating Master GDB Control Strategy Paired GBC = INT/EXT Internal ExternalDuplex CPU Redundancy Online ProgrammingOn-Line Repair System Racks For Installation InstructionsSystem Components Features Redundancy CPUExpansion Memory Board Watchdog TimerCPU Architecture CPU Features Memory Protect KeyswitchBattery Connectors CPU LEDsCPU Mode Switch PortRedundancy Communications Module Unit Select PushbuttonConnector RCM Status LedsBus Transmitter Module Status LEDs ConnectorsBus Transmitter Module Bus Receiver Module Status LEDs Bus Receiver ModuleCables and Termination Genius Bus Controller Location of GBCs and BlocksSingle Bus Genius Networks Dual Bus Genius NetworksBus Controller LEDs Configuration Requirements Programmer Connection for ConfigurationOne Application Program in Both PLCs Program Folders in Control Programming SoftwareCPU Configuration Parameters Program Folders in LogicmasterConfiguring Shared I/O References Parameter Default Range DescriptionFinding the Memory Available for Application Program Storage System Communications Window ConsiderationsRack Module Configuration Parameters Bus Controller Configuration ParametersGenius I/O Block Configuration Parameters Normal Operation Powerup of a Redundant CPU Incompatible Configurations Resynchronization of a Redundant CPUGHS Control Strategy GDB Control StrategyReferences for CPU Redundancy Ovrpre %S Reference Not AvailableScan Synchronization Sweep Time SynchronizationOutput Data Transfer to the Backup Unit AT aData Transfer Time Fail Wait TimeGFK-1527A Normal Operation Programming a Data Transfer from Backup Unit to Active Unit Data Transfer ExampleDisabling Data Transfer Copy in Backup Unit Svcreq #43 Command Block for Svcreq #43 Validating the Backup PLCs Logic Solution Backup Qualification with Svcreq #43Validating the Backup PLCs Input Scan Switching Control to the Backup Unit Switching TimesExample 1 Role switches allowed on both units RUN Disabled ModeRUN Disabled Mode for GHS Control Strategy Example 4 Role switches allowed on both units Example 2 Role switches allowed on both unitsExample 3 Role switches not allowed on either unit Backup Active RUN Disabled Mode for GDB Control Strategy Example 8 InvalidFinding the Words to Checksum Each Sweep CGR772 CGR935Finding the Background Window Time Finding the Total Sweep TimeTimer and PID Function Blocks Miscellaneous Operation InformationTimed Contacts Multiple I/O Scan SetsStop to RUN Mode Transition Sequential Function Chart Programming SFCDebugger Background Window TimeGenius Bus Controller Switching Ethernet Global Data in a Redundancy CPU Ethernet Global Data ConsumptionEthernet Global Data Production Sntp TimestampingFault Detection Configuration of Fault ActionsFault Detection PLC Fault Table Messages for Redundancy Message Fault Description Corrective ActionWith redundancy in other fault groups Fault Response Faulting the Redundancy Communications Module Losing a LinkFault Actions in a CPU Redundancy System Configurable Faults Fault Group Type DescriptionNon-Configurable Fault Group Fatal Faults on Both Units in the Same SweepOn-Line Repair Power Supply Maintaining Parallel Bus TerminationOn-Line Repair Recommendations RacksRedundancy Communications Link Failures Central Processor UnitRedundancy Communications Module and Cables Single Bus Networks Bus faults Bus Transmitter ModuleGenius Bus Controller Genius BusDual Bus Networks Genius BlocksSpecifications Cabling InformationIC690CBL714A Multi-drop Cable PurposeConnector a Connector A, 15-pin Female Battery connectors Bus Controller, Genius IndexIndex Online programming Online repair Svcreq
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