Expansion Clock Instructions - Mitsubishi MELSEC Q Series Programming Manual

Common instruction 1/2

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Expansion Clock Instructions

Reading expansion clock data (S(P).DATERD)

(1) Reads "year, month, day, hour, minute, second, day of the week, and millisecond" from the

clock element of the CPU module, and stores it as BIN value into the device specified by

or later device.

(2) The "year" at

(3) The "day of the week" at

(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.)

: Head number of the devices where the read clock data will be stored (BIN 16 bits)

Internal Devices

Clock element

is stored as 4-digit year indication.

+6 is stored as 0 to 6 to represent the days Sunday to Saturday.

exceeds the range of the corresponding device.

High performance model QCPU, Process CPU, Redundant CPU:

The serial number (first five digits) is "07032" or later.

(1980 to 2079)

Hour (24-hour clock)

(Error code: 4101)

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Melsec l series