Справочник Пользователя для Mitsubishi Electronics MELSEC -Q/L
684
7 APPLICATION INSTRUCTIONS
7.15 Clock Instructions
7.15 Clock Instructions
7.15
Clock Instructions
Reading clock data
DATERD(P)
Processing details
• Reads "year, month, day, hour, minute, second, and day of week" from the clock element of the CPU module and stores it
as BIN value to the device designated by (D) or later device.
• The "year" at (D) is stored as 4-digit year indication.
• The "day of week" at (D)+6 is stored as 0 to 6 to represent the days Sunday to Saturday.
• The "day of week" at (D)+6 is stored as 0 to 6 to represent the days Sunday to Saturday.
• Compensation is made automatically for leap years.
Operation error
• In the following case, an operation error occurs, the error flag (SM0) turns ON, and an error code is stored into SD0.
(D): Head number of the devices where the read clock data will be stored (BIN 16 bits)
Setting
data
data
Internal device
R, ZR
J\
U\G
Zn
Constant
Others
Bit
Word
Bit
Word
(D)
Day of week
Sun
Mon
Tue
Wed
Thu
Fri
Sat
Stored data
0
1
2
3
4
5
6
Error
code
code
Error details
Q00J/
Q00/
Q01
Q00/
Q01
QnH
QnPH
QnPRH QnU
LCPU
4101
The range of the device specified by (D) exceeds the range of the
corresponding device.
corresponding device.
Basic
Process
High
performance
Redundant Universal
LCPU
DATERD
DATERDP
Command
Command
DATERD
DATERDP
D
D
Year
Month
Day
+1
+2
+2
(1980 to 2079)
(1 to 12)
(1 to 12)
(1 to 31)
+3
(0 to 23)
+4
(0 to 59)
+5
(0 to 59)
+6
(0 to 6)
Hour (24-hour clock)
Minute
Second
Day of week
Clock element
D
D
D
D
D
D
D
D
D