Clock Instructions - Mitsubishi MELSEC Q Series Programming Manual

7.15

Clock instructions

7.15.1
Reading clock data (DATERD(P))
DATERD(P)
DATERD
DATERDP
Setting
Data
D
Function
(1) 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
(2) The "year" at
(3) The "day of week" at
Day of week
Stored data
(4) Compensation is made automatically for leap years.
Operation Error
(1) In the following case, an operation error occurs, the error flag (SM0) turns ON, and an error
code is stored into SD0.
• The device specified by
(For the Universal model QCPU, LCPU.)
Command
Command
: Head number of the devices where the read clock data will be stored (BIN 16 bits)
D
Internal Devices
R, ZR
Bit Word
––
Clock element
is stored as 4-digit year indication.
D
+6 is stored as 0 to 6 to represent the days Sunday to Saturday.
D
Sun Mon Tue Wed Thu
0 1 2 3 4
exceeds the range of the corresponding device.
D
High
Basic
performance
J \
U \G
Bit Word
––
D Year
(1980 to 2079)
D +1 Month
(1 to 12)
D +2 Day
(1 to 31)
D +3 Hour (24-hour clock)
(0 to 23)
Minute
D +4 (0 to 59)
Second
D +5
(0 to 59)
D +6 Day of week (0 to 6)
Fri Sat
5 6
DATERD(P)
Process
Redundant Universal LCPU
DATERD D
DATERDP D
Zn Constants Other
or later device.
D
(Error code: 4101)
7-343
1
2
3
4
6
6
7
8