Programmable Relay ● User Manual for ELC, EXM and PR Series 115 2020 v6.0 ● © Rievtech Co.,
Ltd. ● www.rievtech.com
Place two yearly timer switch SFBs on your programming
interface and configure the blocks as specified.
Create a logical link of the blocks via a standard OR block.
The OR output is 1 if at least one of the yearly timer
switches is set.
Astronomical Clock
Description of function
The astronomical clock SFB is used to set an output high
between sunrise and sunset based on the local time at the
geographical location of the xLogic device. The output
status of this function block also depends on the
configuration of Summertime/Winter time or Daylight
Savings settings.
The location info including
longitude, latitude and time zone.
Q is set to Hi when the sunrise
time is reached. It holds this state
until sunset time is reached.
Parameters
In the astronomical clock dialogue, you can select the
location of the xLogic device. You can select one of the
following pre-defined time zone locations:
Beijing Berlin London Rome Moscow Tokyo
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