515
APPENDICES
A
Appendix 3 List of Special Register Areas
SD16 to
SD26
Error
individual
information
Error
individual
information
9) Failure information
S (Error)
New
QnUDV
LCPU
12) File diagnostic information
*6 For extension names, refer to the table on Page 511,
Appendix 3 (1) (a).
S (Error)
QnU
LCPU
13) Parameter No./CPU No.
*16 For details on the parameter No., refer to the following:
User's Manual (Function Explanation, Program
Fundamentals) for the CPU module used
QnU
SD50 Error reset
Error number
that performs
error reset
This register stores the error code where the error reset is
performed.
UNew
QCPU
LCPU
SD51
Battery low
latch
Bit pattern
indicating
where
battery
voltage drop
occurred
• If a battery voltage drops, the corresponding bit stores "1"
(turns on).
• This register remains on even after the battery voltage
returns to normal.
*1 These bits are not available for the Basic model QCPU,
High-speed Universal model QCPU, and LCPU. If an
alarm occurs, data can be held within the time specified
for battery low. The error indicates full discharge of a
battery.
S (Error) New
QCPU
LCPU
Number Name Meaning Explanation
Set by
(When Set)
Corresponding
ACPU
D9
Corresponding
CPU
SD16
SD17
SD18
SD19
SD20
SD21
SD22
SD23
Number Meaning
SD24
SD25
SD26
Failure information 1
Failure information 2
Failure information 3
Failure information 4
Failure information 5
Failure information 6
Failure information 7
Failure information 8
Failure information 9
Failure information 10
Failure information 11
SD17
SD18
SD19
SD20
SD21
SD22
SD23
SD24
SD16
SD25
SD26
File name
(ASCII: 8 characters)
drive No. (L)
Failure information 1 (H)
Failure information 2
(CRC value that is read)
Extension
*6
(ASCII: 3 characters)
Failure information 3
(CRC value that is calculated)
Number
Meaning
2EH(.)
SD17
SD18
SD19
SD20
SD21
SD22
SD23
SD24
SD16
SD25
SD26
Parameter No.*16
(Empty)
Number
Meaning
CPU No. (1 to 4)
b15 b3 b2 b1 b0
0
to
SRAM card battery alarm
SRAM card battery error
Battery error for CPU module
*1
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