664
Auxiliary Area Allocations by Address Appendix D
A403 A403.00
to
A403.08
Memory Error
Location
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
A403.08: CPU Bus Unit Settings
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: Error
OFF: No error
Cleared Cleared Refreshed
when error
occurs.
A401.15
A403.09 Memory Cas-
sette startup
Transfer Error
Flag
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: Error
OFF: No error
Cleared Cleared Refreshed
when
power is
turned ON.
---
A403.10 Flash Mem-
ory Error Flag
ON when the flash memory is physi-
cally destroyed.
ON: Error
OFF: No error
Cleared Cleared Refreshed
when error
is
detected.
---
A404 All I/O Bus Error
Details
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.
(A401.04 (I/O Bus Error Flag) will
turn ON.)
(This information will be cleared
when the error is cleared.)
0A0A hex:
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
Cleared Cleared Refreshed
when error
is
detected.
A401.14
A406 All PLC Setup
Error Location
When there is a setting error in the
PLC Setup, the location of that error
is written to A406 in 4-digit hexadeci-
mal.
The CPU Unit will continue operating
and the ERR/ALM indicator on the
front of the CPU Unit will flash.
(A406 will be cleared when the
cause of the error is eliminated.)
0000 to 01FF
hexadecimal
Cleared Cleared Refreshed
when error
occurs.
A402.10
A407 A407.00
to
A407.12
Too Many I/O
Points, Details
Always 0000 hex. 0000 hex Cleared Cleared --- A401.11,
A407.13
to
A407.15
Address Name Function Settings Status
after
mode
change
Status
at star-
tup
Write
timing
Related
flags, set-
tings
Words Bits