Siemens LOGO! 24RC Manual page 99

Use the R input to reset the current impulse relay to its ini-
tial state (i.e. the output is set to 0).
After power failure the current impulse relay is reset and
the Q output changes to 0 if you haven't switched on the
retentive feature.
LOGO! Manual
A5E00067781 01
LOGO! Functions
91