Specifications

App - 30
(1) Diagnostic Information
Number Name Meaning Explanation
Set by
(When set)
Applicable
ACPU
D9
Applicable
CPU
SD0
Diagnostic
errors
Diagnosis error
code
• Error codes for errors found by diagnosis are stored as the BIN codes.
• Contents identical to the latest fault history information.
S (Error
occurrence)
D9008 format
change
SD1
• The year (last two digits) and month that SD0 data was updated are
stored as the BCD 2-digit code.
Year (0 to 99)
Month (1 to 12)
B15 B7 B0B8
to to
(Example) October, 1995
SD2
• The day and hour that SD0 was updated are stored as the BCD 2-digit
code.
Day (1 to 31) Hour (0 to 23)
B15 B7 B0B8
to
to
(Example) 10 p.m. on 25th
SD3
Clock time for
diagnosis error
occurrence
Clock time for
diagnosis error
occurrence
• The minute and second that SD0 data was updated are stored as the
BCD 2-digit code.
Minute (0 to 59)
Second (0 to 59)
B15 B7 B0B8to
to
(Example) 35 min. 48 sec.
(past the hour)
S (Error
occurrence)
New
SD4
Error
information
categories
Error information
category code
The category codes which help indicate what types of error information
are being stored in the common information areas (SD5 through SD15)
and the individual information areas (SD16 through SD26) are stored
here.
Individual information
Common information
B15 B7 B0B8
to to
category codes
category codes
• The common information category codes store the following codes:
0 : No error
1 : Unit/module No./ PLC No. *
2 : File name/Drive name
3 : Time (value set)
4 : Program error location
5 : Switch cause (for Q4AR only)
For a multiple PLC system, the module number or PLC number is
stored depending on the error that occurred.
(Refer to the corresponding error code for which number has been
stored.)
PLC No. 1: 1, PLC No. 2: 2, PLC No. 3: 3, PLC No. 4: 4
• The individual information category codes store the following codes:
0 : No error
1 : (Vacant)
2 : File name/Drive name
3 : Time (value actually measured)
4 : Program error location
5 : Parameter number
6 : Annunciator F number
7 : CHK instruction malfunction number
S (Error
occurrence)
New
+ Rem