Mitsubishi Electric MELSEC-Q Series User Manual page 106

7 FUNCTION
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2) Method to Write from the Program
The time data is written in the clock element by using the clock
instruction (DATEWR).
A program example to write the time data using the time data write
instruction (DATEWR).
Write request
X0
0
Refer to "QCPU (Q mode)/QnACPU Programming Manual (Common
Instructions)" for details of the DATEWR instruction.
(b) Reading Time Data
When reading the time data to the data register, use the time data read
instruction (DATERD) from the program.
The figure below shows an example of a program used to read the clock
data with the DATERD instruction and then store it in D10 to D16.
Read request
X1
Refer to the "QCPU (Q mode)/QnACPU Programming Manual (Common
instructions) for the details of the DATERD instruction.
REMARK
1) Writing to and Reading from Time Data can be executed by special relays
(SM210 to SM213) and special registers (SD210 to SD213).
See Appendix 1 for details on special relay. See Appendix 2 for details on special
registers.
2) : The figure below shows the clock data stored in D10 to D16.
D10 1999
D11 8
D12 10
D13 11
D14 35
D15 24
D16 4
MOVP K2001 D0
MOVP K8 D1
MOVP K10 D2
MOVP K11 D3
MOVP K35 D4
MOVP K24 D5
MOVP D6
K4
DATEWR D0
DATERD D10
4 digits in AD
Month
Date
Hour Refer to Section 7.5.1(1).
Minute
Second
Day of the week
MELSEC-Q
Year 2001
Month 8
Day 10
Hour 11
Minute 35
Second 24
Day Thursday: 4
The time data is read
in D10 to D16.
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