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APPENDIX
Number
Name
Meaning
Operating
Operating
SD203
state of CPU
state of CPU
0: Test not yet
executed
1: During X
Device test
device test
SD206
execution
2: During Y
type
device test
3: During X/Y
device test
Clock data
SD210
Clock data
(year, month)
Clock data
SD211
Clock data
(day, hour)
Clock data
SD212
Clock data
(minute,
second)
Clock data
(Higher digits
SD213
Clock data
of year, day
of week)
App - 38
Special Register List (Continued)
Explanation
• The operating status of the remote I/O module is stored in the
following format.
B15
Vacant
Remote I/O module operating status
1
• The CPU operating state is stored as indicated in the following figure:
B15
B12B11
B8 B7
: Operating state of CPU
1
: STOP/PAUSE cause
2
Note: Priority is earliest first
• Set when the device test mode is executed on GX Developer.
• The year (last two digits) and month are stored as BCD code at
SD210 as shown below:
to
B15
to
B12B11
B8 B7
to
Year
• The day and hour are stored as BCD code at SD211 as shown below:
B15
to
B8 B7
to
to
B12B11
Day
• The minutes and seconds (after the hour) are stored as BCD code at
SD212 as shown below:
B15
B12B11
to
B8 B7
to
B4 B3
to
Minute
Second
• The day of the week is stored as BCD code at SD213 as shown below:
to
to
B15
B12B11
B8 B7
Higher digits
of year (0 to 99)
B4 B3
B0
1
Always 2: STOP
B4 B3
B0
2
1
0 :RUN
1 :STEP-RUN
2 :STOP
3 :PAUSE
0 :Key switch
1 :Remote contact
2 :Peripheral, computer link,or
operation from some other
remote source
3 :Internal program instruction
4 :Errors
Example :
B4 B3
to
B0
July 1993
H9307
Month
Example :
B4 B3
to
B0
31st, 10 a.m.
H3110
Hour
Example :
to
B0
35 min., 48 sec.
(after the hour)
H3548
to
to
B4 B3
B0
Example :
Friday
H0005
Day of week
0
Sunday
1
Monday
2
Tuesday
3
Wednesday
4
Thursday
5
Friday
6
Saturday
MELSEC-Q
Corresponding
Set by
ACPU
(When set)
D9
S (Always)
New
S (Every
D9015 format
END
change
processing)
S
New
(Request)
D9025
S/U
D9026
(Request)
D9027
S/U
D9028
(Request)
Applicable
CPU
Remote
Remote
+Rem
QCPU
Remote
App - 38
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