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(1) Diagnostic Information
Number
Name
Diagnostic
SD0
errors
SD1
Clock time for
diagnosis
SD2
error
occurrence
SD3
Error
SD4
information
categories
App-16
Appendix 3 SPECIAL REGISTER LIST
TableApp.3.2 Special register
Meaning
• Error codes for errors detected by diagnostics are stored as
Diagnosis error
BIN data.
code
• Contents identical to latest fault history information.
• Stores the year (last two digits) and month when SD0 data
was updated as BCD 2-digit code.
b15
to
b8
Year (0 to 99) Month (1 to 12)
• Stores the day and hour when SD0 data was updated as BCD
Clock time for
2-digit code.
diagnosis error
b15
to
b8
occurrence
Day (1 to 31) Hour (0 to 23)
• Stores the minute and second when SD0 data was updated
as BCD 2-digit code.
b15
to
Minutes (0 to 59) Seconds (0 to 59)
Category codes to identify what type of error information is
stored in the common information (SD5 to SD15) or in the
individual information (SD16 to SD26).
b15
Individual information
category codes
• The common information category codes store the following
codes:
0 : No error
1: Module No./Base No.
2: File name/Drive name
3: Time (value set)
Error
4: Program error location
information
9: CC-Link Safety information
category code
10: Module No./Station No.
• The individual information category codes store the following
codes:
0: No error
2: File name/Drive name
3: Time (value actually measured)
4: Program error location
5: Parameter number
6: Annunciator (F) number
9: Error information
10: CC-Link Safety information
11: Program abort information
12: File diagnostics information
Explanation
(Example) September, 2006
b7
to
b0
H0609
(Example) 10 a.m. on 25th
b7
to
b0
(Example) 35 min. 48 sec.
b8
b7
to
b0
to
b8
b7
to
Common information
category codes
Set by
(When set)
S (Error)
S (Error)
H2510
H3548
b0
S (Error)
Corresponding
CPU
QS
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