400
Auxiliary Area Section 9-11
■ Memory Error Information
■ PLC Setup Error Information
Name Address Description Access
Memory Error Flag
(Fatal error)
A40115 ON when an error occurred in memory or there was an error
in automatic transfer from the Memory Card when the power
was turned ON.
The ERR/ALM indicator on the front of the CPU Unit will light
and CPU Unit operation will stop when this flag turns ON.
If the automatic data transfer at startup fails, A40309 will be
turned ON. If an error occurs in automatic transfer at startup,
this error cannot be cleared.
Read-only
Memory Error Location A40300 to
A40308
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.
A40300: User program
A40304: PLC Setup
A40305: Registered I/O Table
A40307: Routing Table
A40308: CJ-series CPU Bus Unit Settings
Read-only
Startup Memory Card Transfer
Error Flag
A40309 ON when an error occurs in automatically transferring a file
from the Memory Card to the CPU Unit at startup, including
when a file is missing or a Memory Card is not mounted.
The error can be cleared by turning OFF the power. (This
error cannot be cleared while the power is ON.)
Read-only
Flash Memory Error
(Not supported by CJ1@-
CPU@@ CPU Units.)
A40310 Turns ON when the flash memory fails. Read-only
Name Address Description Access
PLC Setup Error Flag
(Non-fatal error)
A40210 ON when there is a setting error in the PLC Setup. Read-only
PLC Setup Error Location A406 When there is a setting error in the PLC Setup, the location
of that error is written to A406 in 16 bits binary. The location
is given as the address set on the Programming Console.
Read-only
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