Omron CP1L-EL20DR-D, Operation Manual

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Error Classification and Confirmation Section 12-1
CPU Unit Indicators and Error Meanings in RUN or MONITOR Mode
Auxiliary Area
■
Error Code Storage Word
The error code is stored in A400 when an error occurs. If two or more errors
occur at the same time, the most serious error will be stored.
■
Error Flags
Flags that indicate the type of error are allocated in the Auxiliary Area.
■
Error Information
This area indicates specific information on the meaning of error flags and pro-
vides information on error location and error details.
■
Fatal Errors
Indicator CPU error CPU
standby
Fatal error Non-fatal
error
Output OFF
Bit turned
ON
POWER Lit Lit Lit Lit Lit
RUN Not lit Not lit Not lit Lit Lit
ERR/ALM Lit Not lit Lit Flashing ---
INH Not lit --- --- --- Lit
LNK/ACT --- --- --- --- ---
BKUP --- --- --- --- ---
Error Error code
(A400)
Error flag Error information
Meaning Address
Memory error 80F1 A401.15 Memory error
location A403
I/O bus error 80C0 to 80C7,
80CA, 80CE,
80CF A401.14 I/O bus error
details A404
Too many I/O error 80E1 A401.11 Details for too
many I/O error A407
Program error 80F0 A401.09 Program error
details A294 to A299
Cycle time too long
error 809F A401.08 --- ---
FALS instruction
executed C101 to C2FF A401.06 --- ---
Ethernet address
error 80F6 A401.04 --- ---