7. MAINTENANCE
Direct Variable
Diagnostics Mes-
sage
AT Variable
DG_Module.tSummarized.*
Description
Variable Bit
- -
NO DIAG
- There is no active diagnostic.
0
CONFIG.
MISMATCH
bConfigMismatch
TRUE – There is a configuration problem
in the bus, as the module inserted in the
wrong position.
FALSE – The bus is configured correctly.
1
ABSENT
MODULES
bAbsentModules
TRUE – One or more declared modules are
absent.
FALSE – All declared modules were de-
tected in the bus.
2
SWAPPED
MODULES
bSwappedModules
TRUE – There are changed modules in the
bus.
FALSE – There are no changed modules in
the bus.
%QB(n) 3
NON-DECLARED
MODULES
bNonDeclaredModules
TRUE – One or more modules in the bus
were not declared in the configuration.
FALSE – All modules were declared.
4
MODULES W/
DIAGNOSTICS
bModulesWithDiagnostic
TRUE – One or more modules in the bus
are with active diagnostic.
FALSE – There is no active diagnostic in
the modules in the bus.
5
MODULES W/
FATAL ERROR
bModuleFatalError
TRUE – One or more modules in the bus
are in fatal error.
FALSE – All modules are working prop-
erly.
6
MODULES W/
PARAM. ERROR
bModuleParameterError
TRUE – One or more modules in the bus
have parameterization error.
FALSE – All modules are parameterized.
7
BUS
ERROR
bWHSBBusError
TRUE – Master indication there is failure
in the WHSB bus.
FALSE – The WHSB bus is working prop-
erly.
0
HARDWARE
FAILURE
bHardwareFailure TRUE – CPU hardware failure.
FALSE – The hardware is working prop-
erly.
1
SOFTWARE
EXCEPTION
bSoftwareException
TRUE – One or more exceptions generated
by the software.
FALSE – No exceptions generated in the
software.
2
HARDWARE
WATCHDOG
bHwWatchdogReset
TRUE - The CPU restarted by hardware
watchdog at least once.
FALSE - The CPU is operating normally.
%QB(n+1) 3
ERROR IN
MEMORY CARD
bMemoryCardError
TRUE – The memory card is inserted in the
CPU, but is not working properly.
FALSE – The memory card is working
properly.
4
COM1 CONF.
ERROR
bCOM1ConfigError
TRUE – Some error occurred during, or af-
ter, the COM 1 serial interface configura-
tion.
358