7. Maintenance
365
CPU Direct Representation Variable
DG_Modulo.tDetailed.*
AT Variable
WHSB.
adwRackIOErrorStatus
Identification of errors in I/O
modules, individually:
The Array[0..31] represents 32
backplane racks, being each
position made up by 32 bits. Each
bit of these DWORDs represents
the bus position, being the Bit-0
equivalent to position 0. So, it is
performed a OR logic operation
among four summarized
diagnostics and the operational
state of a certain position, and if
the result is positive, the analogic
bit will be true.
Under, the considered
diagnostics:
Incompatible configuration
(bConfigMismatch)
Absent modules
(bAbsentModules)
Exchanged modules
(bSwappedModules)
Modules with fatal error
(bModuleFatalError)
Module is not in Operational Mode
WHSB.
adwModulePresenceSta
tus
Status of presence of declared I/O
modules in buses, individually:
The Array[0..31] represents 32
backplane racks, being each
position made up by 32 bits. Each
bit of this DWORD represents a
position in the bus, being the Bit-0
equivalent to position 0. So, if the
module is present, the bit will be
true.
PS.: This diagnostic is valid for all
modules, except for non-
redundant power supplies, non-
declared modules and CPUs, that
is, do not present a presence in
the bus in its respective positions
(bit remains in false).
Counter of failures in the WHSB
bus. This counter is restarted in
the energization. (0 to 255)
Table 7-22. WHSB Detailed Diagnostics Group Description
Notes:
Bus modules error diagnostic: Each DWORD from this diagnostic array represents a rack, whose
positions are represented by the bits of these DWORDS. So, Bit-0 of the DWORD-0 is equivalent to
position zero of the rack with address zero. Each one of these Bits is the result of an OR logic
operation between the Incompatible Configuration (bConfigMismatch), absent modules
(bAbsentModules), swapped modules (bSwappedModules), module with fatal error
(bModuleFatalError) diagnostics and the operational state of the module in a certain position.
Module presence status: Each DWORD from this diagnostic array represents a rack, whose
positions are represented by the bits of these DWORDS. So, Bit-0 from DWORD-0 is equivalent to
position zero of the rack with address zero. So, if a module is present, this bit will be true. It’s
important to notice that this diagnostic is valid for all modules, except power supplies, CPUs and
non-declared modules, e.g. those that are not in the rack on the respective position (bit remains in
false).
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