APPENDICES
Appendix 7 List of Special Registers
APPX - 17
A
I
(1) Diagnostic information
(To the next page)
Table APPX.17 Special registers
Number Name Description Detailed description
Setting side
(setting time)
SD0 Diagnostic error
Diagnostic error
code
• The error code occurred in diagnosis in diagnosis is stored as a binary code.
• The information is the same as the latest error code.
S
(Error)
SD1
Date and time of
diagnostic error
Date and time of
diagnostic error
• The year (the last two digits of the year) and month when SD0 data was updated are
stored as a 2-digit BCD code.
S
(Error)
SD2
• The date and time when SD0 data was updated are stored as a 2-digit BCD code.
SD3
• The minute and second when SD0 data was updated are stored as a 2-digit BCD
code.
SD4
Error
information
identification
Error
information
identification
code
Identification codes used to determine what error information stored in the common
information (SD5 to SD15) and individual information (SD16 to SD26) are stored.
• In the common information category codes, the following codes are stored.
0: None
1: Module No. (Slot No./CPU No./Base No.)
3: Time (setting value)
7: Base No./power supply No.
• In the individual information category codes, the following codes are stored.
0: None
3: Time (actual measurement value)
5: Parameter No.
S
(Error)
b15
b7
b0b8
to to
YY (0 to 99) MM (1 to 12)
(Example) October, 1995
H9510
b15 b7 b0b8
to to
DD (1 to 31) Hr. (0 to 23)
(Example) Day of 25th, 10:00
H2510
b15 b7 b0b8to to
Min. (0 to 59) Sec. (0 to 59)
(Example) 35 minutes, 48 seconds
H3548
b15
b7
b0b8
to to
Individual information
category code
Common information
category code
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