Mitsubishi Electric MELSEC-Q/L - Page 715

7 APPLICATION INSTRUCTIONS
7.16 Expansion Clock Instructions
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7
Devices, (S1)+3, (S2)+3, and (D)+3 are not used for operation.
A clock data read by the S(P).DATERD instruction can be directly added.
Operation error
• In any of the following cases, an operation error occurs, the error flag (SM0) turns ON, and an error code is stored into SD0.
Precautions
• Specifying digit for the bit device can be used only when the following conditions are met.
Error
code
Error details Q00J/
Q00/
Q01
QnH QnPH QnPRH QnU LCPU
4100 The value set for (S1) and (S2) is not within the setting range.
(Processing details)

4101 The range of the device specified by (S1), (S2) or (D) exceeds the range of
the corresponding device.

• Digit specification: K4
• Head of device: multiple of 16
When the above conditions are not met, INSTRCT CODE ERR. (error code: 4004) will occur.
(D)
(D)+1
(D)+2
(D)+3
(D)+4
Hour
Minute
Second
Day of week
Millisecond
When the clock data is read by the S(P).DATERD instruction, day of week is inserted between "second" and "millisecond".
If the S(P).DATE+ instruction is used to read the clock data, the data can be directly used for addition since it does not
perform the calculation for the day of a week.