Daylight Saving Time Function; Daylight Saving Time Setting - Mitsubishi Electric MELSEC iQ-R-R00CPU User Manual

4.3

Daylight Saving Time Function

The daylight saving time function is used to adjust the CPU module time to daylight saving time.
This function advances the CPU module time by one hour on the starting date of daylight saving time, and reverses the time
by 1 hour on the ending date.
Ex.
If daylight saving time starts from 2.00 on the second Sunday in March, and ends at 2.00 on the first Sunday in November
Second Sunday
in March
[Before adjustment] 01:59:59
[After adjustment] 01:59:59
Before executing the daylight-saving time function, check the versions of the CPU module and engineering
tool used. ( Page 1008 Added and Enhanced Functions)

Daylight saving time setting

Sets the starting date and ending date for daylight saving time.
[CPU Parameter]  [Operation Related Setting]  [Clock Related Setting]  [Setting to Adjust Clock for Daylight
Saving Time]
Window
02:00:00 02:00:01
03:00:00 03:00:01
Daylight-saving time
(1)
First Sunday
in November
00:59:59 01:00:00
01:59:59 01:00:00
(2)
4 CLOCK FUNCTION
4.3 Daylight Saving Time Function
01:00:01
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