Filter
Top Products
117
APPENDICES
A
Appendix 4 Special Register (SD) for MELSECNET/H (MELSECNET/10 Mode) Remote I/O Station
SD210
Clock data
Clock data
(year, month)
This register stores the year (last two digits) and month in BCD as
shown below.
S
(Request)
/U
D9025
Rem
SD211
Clock data
(day, hour)
This register stores the day and hour in BCD as shown below.
D9026
SD212
Clock data
(minute,
second)
This register stores the minute and the second in BCD as shown
below.
D9027
SD213
Clock data
(higher digits of
year, day of
week)
This register stores the year (first two digits) and day of week in BCD
as shown below.
D9028
QCPU
Rem
SD240 Base mode
0: Automatic
mode
1: Detail
mode
This register stores the base mode.
S
(Initial)
New
SD241
Extension
stage number
0: Main
base only
1 to 7:
Number
of
extension
base
units
This register stores the number of extension base units installed.
No. Name Meaning Explanation
Set by
(When Set)
Corres-
ponding
ACPU
D9
Corres-
ponding
CPU
B15
B12to
B11
B8
to
B7
B4
to
B3 B0
to
Year
Month
Example :
July 1993
9307
H
B15
B12to
B11
B8
to
B7
B4
to
B3 B0
to
Day
Hour
Example :
10 a.m. 31st
3110
H
B15
B12to B11
B8
to
B7
B4
to
B3 B0
to
Minute
Second
Example :
35 min. 48 sec.
3548
H
B15
B12to
B11
B8
to
B7
B4
to
B3 B0
to
Example :
Friday 1993
1905
H
First two digits of year
(19 or 20)
Day of week
0
1
2
3
4
5
6
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday