Mitsubishi MELSEC-A series, Руководство по программированию

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APP - 24
APPENDICES
Table 1.4 Special Register List (Continue)
Number Name Description Details Applicable CPU
D9068
Abnormal base
module
Stores the bit pattern
of the abnormal base
module
Stores the bit pattern of the base module in abnormal
condition.
When basic base module is abnormal: Bit 0 turns ON.
When 1st expansion base module is abnormal: Bit 1
turns ON.
When 2nd expansion base module is abnormal: Bit 2
turns ON.
:
:
When 7th expansion base module is abnormal: Bit 7
turns ON.
—
Dedicated to
QCPU-A
(A Mode).
D9072
PC
communication
check
Data check by
AJ71C24
• In the loopback test mode of individual AJ71C24, the
AJ71C24 automatically executes data write/read and
communication check.
Usable with all
types of CPUs.
D9073 Clock data
Clock data
(year, month)
• Two digits showing the year (XX of 19XX) and month
are stored to D9073 in BCD codes, as shown below.
—
Dedicated to
A2CCPUC24
(-PRF).
D9074 Clock data
Clock data
(day, time)
• Two digits showing the day and time are stored to
D9074 in BCD codes, as shown below.
D9075 Clock data
Clock data
(minute, second)
• Two digits showing the minute and second are stored
to D9075 in BCD codes, as shown below.
Dedicated to
A2CCPUC24
(-PRF).
D9076 Clock data
Clock data
(day of the week)
• Two day of the week is stored to D9076 in BCD codes,
as shown below.
—
Dedicated to
A2CCPUC24
(-PRF).
D9075
Result of writing
to built-in ROM
Stores the status of
writing to the built-in
ROM
Stores the status of writing to the built-in ROM.
0: Writing enabled
F1
H
: During RAM operation
F2
H
: Writing to built-in ROM disabled
F3
H
: Failed to erase
F4
H
: Failed to write
FE
H
: Checking erasing
FF
H
: During writing
—
Dedicated to
QCPU-A
(A Mode).
D9076
Status of writing
to built-in ROM
Stores the status of
writing (enabled/
disabled) to the
built-in ROM
Stores the status of writing (enabled/disabled) to the
built-in ROM.
Statuses of DIP switch 3 and M9073
0: SW3 is OFF, M9073 is OFF/ON
1: SW3 is ON, M9073 is OFF
2: SW3 is ON, M9073 is ON
—
Dedicated to
QCPU-A
(A Mode).
Year Month
Example:
1987,July
H8707 B11 B8 B7 B4 B3 B0 B15 B12 . . . . . . . . . . . . . . . . . . . . . . . . . .
Day Time
B11 B8 B7 B4 B3 B0 B15 B12
. . . . . . . . . . . . . . . . . . . . . . . . . .
Example:
31th,10
o'clock
H3110
Minute Second
B11 B8 B7 B4 B3 B0 B15 B12
. . . . . . . . . . . . . . . . . . . . . . . . . .
Example:
35 minutes,
48 seconds
H3548
B11 B8 B7 B4 B3 B0 B15 B12
. . . . . . . . . . . . . . . . . . . . . . . . .
These digits are always
set to 0.
Day of the week
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
0
1
2
3
4
5
6