Chapter 5 Relay Ladder Logic Programming 102
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According to the table, set correspond parameter such as longitude (E/W) and latitude (S/N). R function block
will calculate sunset and sunrise of current season, sunset and sunrise offset will base on the value of (-) and
(+), the offset time range is 0-59 minutes. R function block will turn ON during sunrise to sunset, it will turn
OFF during sunset to sunrise.
Example 1：Set East longitude 130°, North latitude 30°, offset +30min
※According to RTC current value to calculate sunrise and sunset, R01 will be ON during sunrise to sunset.
※DRCE and DRCF are special register, calculation value will be saved in this register. (Offset value will not be
saved)
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