Omron CP1L-EL20DR-D Operation Manual page 753

Auxiliary Area Allocations by Address
Address Name
Words Bits
A402 15 FAL Error
Flag
(non-fatal
error)
A403 00 to 08 Memory Error
Location
09 Memory Cas-
sette startup
Transfer Error
Flag
10 Flash Mem-
ory Error Flag
11 IP Address
Table Check-
sum Error
Flag
12 IP router
Table Check-
sum Error
Flag
A404 All I/O Bus Error
Details
Function
ON when a non-fatal error is gener-
ated by executing FAL(006). The
CPU Unit will continue operating and
the ERR/ALM indicator on the front
of the CPU Unit will flash.
The bit in A360 to A391 that corre-
sponds to the FAL number specified
in FAL(006) will be turned ON and
the corresponding error code will be
written to A400. Error codes 4101 to
42FF correspond to FAL numbers
001 to 2FF (0 to 511).
(This flag will be turned OFF when
the error is cleared.)
When a memory error occurs, the
Memory Error Flag (A40115) is
turned ON and one of the following
flags is turned ON to indicate the
memory area where the error
occurred
A403.00: User program
A403.04: PLC Setup
A403.07: Routing Table
When a memory error occurs, the
CPU Unit will continue operating and
the ERR/ALM indicator on the front
of the CPU Unit will flash.
(The corresponding flag will be
turned OFF when the error is
cleared.)
ON when automatic transfer at star-
tup has been selected and an error
occurs during automatic transfer. An
error will occur if there is a transfer
error, the specified file does not
exist, or the Memory Cassette is not
installed.
(This flag will be turned OFF when
the error is cleared by turning the
power OFF. The error cannot be
cleared without turning the power
OFF.)
ON when the flash memory is physi-
cally destroyed.
ON when a checksum error has
occurred in IP address table.
ON when a checksum error has
occurred in IP router table.
Contains information on I/O bus
errors.
The CPU Unit will stop operating and
the ERR/ALM indicator on the front
of the CPU Unit will light.
(A401.14 (I/O Bus Error Flag) will
turn ON.)
(This information will be cleared
when the error is cleared.)
Settings Status Status
after at star-
mode
change
ON: FAL(006) Cleared Cleared
error occurred
OFF:
FAL(006)
not executed
ON: Error Cleared Cleared
OFF: No error
ON: Error Cleared Cleared
OFF: No error
ON: Error Cleared Cleared
OFF: No error
ON: Error Cleared Cleared
OFF: No error
ON: Error Cleared Cleared
OFF: No error
0A0A hex: Cleared Cleared
CP-series
Unit error
0000 hex: CJ-
series Unit
error, 1st Unit
0001 hex: CJ-
series Unit
error, 2nd
Unit
0F0F hex:
CJ-series Unit
error,
unknown Unit
0E0E hex:
CJ-series Unit
error, no End
cover
Appendix D
Write Related
timing flags, set-
tup tings
Refreshed A360 to
when error A391,
occurs.
A400
Refreshed A401.15
when error
occurs.
Refreshed ---
when
power is
turned ON.
Refreshed ---
when error
is detected.
Refreshed A401.15
when error
occurs.
Refreshed A401.15
when error
occurs.
Refreshed A401.14
when error
is
detected.
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