Omron C200HX Operation Manual page 77

DM (Data Memory) Area
Operation
Although each of them contains a different record, the structure of each record is
the same: the first word contains the error code; the second and third words, the
day and time. The error code will be either one generated by the system or by
FAL(06)/FALS(07); the time and date will be the date and time from AR 18 and
AR 19 (Calender/date Area). Also recorded with the error code is an indication of
whether the error is fatal (08) or non-fatal (00). This structure is shown below.
Word
First
Second
Third
The following table lists the possible error codes and corresponding errors.
Error severity Error code
Fatal errors 00
01 to 99 or 9F
C0 to C3
E0
E1
F0
F1
Non-fatal errors 01 to 99
8A
8B
9A
9B
9C
9D
B0 to B1
D0
E7
F7
F8
When the first error code is generated with AR 0715 (Error History Enable Bit)
turned ON, the relevant data will be placed in the error record after the one indi-
cated by the History Record Pointer (initially this will be record 1) and the Pointer
will be incremented. Any other error codes generated thereafter will be placed in
consecutive records until the last one is used. Processing of further error records
is based on the status of AR 0713 (Error History Overwrite Bit).
If AR 0713 is ON and the Pointer contains 000A, the next error will be written into
record 10, the contents of record 10 will be moved to record 9, and so on until the
contents of record 1 is moved off the end and lost, i.e., the area functions like a
shift register. The Record Pointer will remain set to 000A.
If AR 0713 is OFF and the Pointer reaches 000A, the contents of the Error Histo-
ry Error will remain as it is and any error codes generate thereafter will not be
recorded until AR 0713 is turned OFF or until the Error History Area is reset.
Bit
00 to 07
08 to 15
00 to 07
08 to 15
00 to 07
08 to 15
Power interruption
System error (FALS)
I/O bus error
Input-output I/O table error
Too many Units
No END(01) instruction
Memory error
System error (FAL)
Interrupt Input error
Interrupt program error
Group 2 High-density I/O error
PC Setup error
Communications Board error
UM Memory Cassette transfer error
Remote I/O error
Special I/O error
I/O table verification error
Battery error
Cycle time overrun
Section 3-6
Content
Error code
00 (non-fatal) or 80 (fatal)
Seconds
Minutes
Hours
Day of month
Error
59