12
TROUBLESHOOTING
12.8 Special Register List
12 - 333
9
EMC AND LOW
VOLTAGE
DIRECTIVES
10
LOADING AND
INSTALLATION
11
MAINTENANCE AND
INSPECTION
12
TROUBLESHOOTING APPENDICES INDEX
SD676
Backup data
restore
information
Restore time
(Year and month)
• Stores the last 2 digits of year and month when data is restored in 2-digit
BCD code.
S (Initial) New QnU
SD677
Restore time (Day
and time)
• Stores the day and time when data is restored in 2-digit BCD code.
SD678
Restore time
(Minute and
second)
• Stores the minute and second when data is restored in 2-digit BCD
code.
SD679
Restore time
(Year and day of
week)
• Stores the first 2 digits of year and day of week when data is restored in
BCD code.
SD681
Program
memory write
(transfer) status
Write (transfer)
status display
(percentage)
Displays the status of writing (transferring) the program memory (flash
ROM) in percentage. (0 to 100%) "0" is set when the write direction is set.
S (At write) New QnU
SD682
Program
memory write
count index
Write count index
up to present
• Stores the index value for the number of write operations to the program
memory (flash ROM) up to the present in BIN 32-bit value.
When the index value exceeds 100 thousand times, "FLASH ROM
ERROR" (error code: 1610) occurs. (The index value is calculated even
when exceeding 100 thousand times.)
Note) The write count does not equal to the index value.(Since a flash
ROM write life is prolonged by the system, 1 is added to the write count
index when writing is performed twice or so.).
S (At write) New QnU
SD683
SD686
Standard ROM
write (transfer)
status
Write (transfer)
status display
(percentage)
Displays the status of writing (transferring) the standard ROM (flash ROM)
in percentage. (0 to 100%) "0" is set when the write direction is set.
S (At write) New QnU
SD687
Standard ROM
write count index
Write count index
up to present
• Stores the index value for the number of write operations to the standard
ROM (flash ROM) up to the present in BIN 32-bit value.
When the index value exceeds 100 thousand times, "FLASH ROM
ERROR" (error code: 1610) occurs. (The index value is calculated even
when exceeding 100 thousand times.)
Note) The write count does not equal to the index value. (Since a flash
ROM write life is prolonged by the system, 1 is added to the write count
index when the total write capacity after the previous count up reaches
about 1M byte.)
S (At write) New QnU
SD688
SD695
Specification of
writing to
standard ROM
instruction count
Specification of
writing to standard
ROM instruction
count
• Specifies the maximum number of executing the instruction (SP.DEVST)
to write to the standard ROM per day.
• When the number of execution of writing to the standard ROM
instruction exceeds the number of times set by SD695, [OPERATION
ERROR] (error code: 4113) occurs.
• The setting range for SD695 is 0 to 32767. If 0 or value outside the
range is set, [OPERATION ERROR] (error code: 4113) occurs when
executing the writing to standard ROM instruction.
UNew QnU
Number Name Meaning Explanation
Set by
(When Set)
Corres-
ponding
ACPU
D9
Corresponding
CPU
b15
b12to b11
b8
to
b7
b4to
b3 b0
to
Example:
July, 1993
9307
H
Year
Month
b15
b12to b11
b8
to
b7
b4to
b3 b0
to
Day
Hour
Example:
31st, 10 a.m.
3110
H
b15
b12to b11
b8
to
b7
b4to
b3 b0
to
Example:
35 min., 48 sec.
3548
H
SecondSecondMinute
b15
b12
to
b11 b8
to
b7 b4
to
b3 b0
to
0
1
2
3
4
5
6
Example:
1993, Friday
1905
H
Higher digits of year (0 to 99)
Sunday
Saturday
Friday
Thursday
Wednesday
Tuesday
Monday
Day of the week
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