Siemens LOGO! Manual page 150

LOGO! functions
4.4 Special functions list - SF
Sample configuration
The output of a LOGO! is to be set annually on March 1, reset on April 4, set again on July 7,
and reset again on November 19. You need to configure two yearly timers with
corresponding on-times. Then logically link the outputs by means of an OR block.
Result
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Manual, 10/2017, A5E01248535-AA
LOGO!