Omron CP1L - 12-2007, Operation Manual

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Auxiliary Area Allocations by Function
Appendix C
Comment Memory
Error Information
Error Log, Error Code
Memory Error Information
Name Address Description Access Updated
Program Index File Flag A345.01 Turns ON when the comment memory contains a pro-
gram index file.
OFF: No file
ON: File present Read-only
Comment File Flag A345.02 Turns ON when the comment memory contains a com-
ment file.
OFF: No file
ON: File present Read-only
Symbol Table File Flag A345.03 Turns ON when the comment memory contains a symbol
table file.
OFF: No file
ON: File present Read-only
Name Address Description Access Updated
Error Log Area A100 to
A199 When an error has occurred, the error code, error con-
tents, and error's time and date are stored in the Error
Log Area. Read-only
Error Log Pointer A300 When an error occurs, the Error Log Pointer is incre-
mented by 1 to indicate the location where the next error
record will be recorded as a hexadecimal offset from the
beginning of the Error Log Area (A100 to A199). Read-only
Error Log Pointer Reset Bit A500.14 Turn this bit ON to reset the Error Log Pointer (A300) to
00. Read/write
Error Code A400 When a non-fatal error (user-defined FALS(006) or sys-
tem error) or a fatal error (user-defined FALS(007) or
system error) occurs, the 4-digit hexadecimal error code
is written to this word. Read-only
Name Address Description Access Updated
Memory Error Flag
(fatal error) A401.15 ON when an error occurred in memory or there was an
error in automatic transfer from the Memory Cassette
when the power was turned ON.
CPU Unit operation will stop and the ERR/ALM indicator
on the front of the CPU Unit will light.
Note A403.09 will be turned ON if there was an error
during automatic transfer at startup.
The automatic transfer at startup error cannot be cleared
without turning OFF the PLC.
Read-only
Memory Error Location A403.00 to
A403.08 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
Read-only
Startup Memory Card Trans-
fer Error Flag A403.09 ON when automatic transfer at startup 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 with-
out turning the power OFF.)
Read-only
Flash Memory Error A403.10 ON when the flash memory fails. Read-only