Mitsubishi Electric MELSEC-Q Series User Manual page 227

APPENDICES
(2) System information
Number Name
SD200 State of switch State of CPU switch
SD201 LED status State of CPU-LED
Operating state Operating state of
SD203
of CPU CPU
Clock data (year,
SD210 Clock data
month)
SD211 Clock data Clock data (day, hour)
Clock data (minute,
SD212 Clock data
second)
Clock data
SD213 Clock data
(day of week)
App - 11
Special Register List
Meaning
• The CPU switch status is stored in the following format:
B15
: CPU switch status
1
2 : Memory card switch
• The following bit patterns are used to store the statuses of the LEDs on the CPU:
B15
: RUN
1
: ERROR
2
• The CPU operating state is stored as indicated in the following figure:
B15
: Operating state of CPU
1
: STOP/PAUSE cause
2
Note: Priority is earliest first
• The year (last two digits) and month are stored as BCD code at SD210 as shown
below:
B15
to
• The day and hour are stored as BCD code at SD211 as shown below:
B15 to
• The minutes and seconds (after the hour) are stored as BCD code at SD212 as
shown below:
B15 to B12B11
Minute
• Stores the year (two digits) and the day of the week in SD213 in the BCD code
format as shown below:
B15
Higher digits
of year (0 to 99)
Explanation
B8 B7
Vacant
0: RUN
1: STOP
Always OFF
Vacant
B12B11 B8 B7
0 :RUN
1 :Vacant
2 :STOP
3 :PAUSE
0 :Switch
1 :Remote contact
2 :GX Developer/Serial Communication
Module from some other remote source
3 :Internal program instruction
4 :Errors
B12B11 to B8 B7 to B4 B3
Year Month
B12B11 to B8 B7 to B4 B3 to
Day Hour
to
B8 B7 to B4 B3 to
Second
to B12B11 to B8 B7 to B4 B3
B4 B3 B0
2
1
B4 B3 B0
2
1
B4 B3 B0
2 1
Example :
to B0
July 1993
H9307
Example :
B0
31st, 10 a.m.
H3110
Example :
B0
35 min., 48 sec.
(after the hour)
H3548
to
B0 Example :
Friday
H0005
Day of week
0 Sunday
1 Monday
2 Tuesday
3 Wednesday
4 Thursday
5 Friday
6 Saturday
MELSEC-Q
Set by (When set)
S(Every END
processing)
S (Status change)
S (Every END
processing)
S/U (Request)
S/U (Request)
App - 11