Chapter 5 Relay Ladder Logic Programming 101
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※ The present time will change to be 8:01:00 when it achieves 8:00:40, and RTC status bit R01 turns ON in one scan
time. Then time keeps going and R01 turns OFF.
RTC Mode 5 (Astronomical Clock
）
RTC mode 5 is "Astronomical Clock Mode", which uses the set of longitude, latitude, and offset time to control the
output of RTC coil.
The following figure and table illustrate the display from parameter meaning of RTC mode 5 and the
programming interface in Ladder mode.
RTC sets the value of longitude E/W
RTC sets the value of latitude S/N
RTC sets the value of offset
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