Inner clock diagram
Supports calendar, time and leap year automatic switch function.
The meter is equipped with a clock module, which calculates the time by a
32768Hz crystal oscillator.
If utility request higher precision of clock, the crystal oscillator will be calibrated
in factory and the accuracy can be less than 0.5s/day at 23℃.
Content of clock and range
year (2000~2099)
month (01~12)
day (01~31)
week (01~07) from Monday to Sunday
hour (00~23)
minute (00~59)
second (00~59)
It is suggested not to synchronize clock around 0:00 o’clock to prevent the repetition
or missing of frozen data.
8 LED Indication
8.1 Active LED indication
When LED flash, it means active energy consumption. When meter power on, the
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