Siemens LOGO! Manual page 169

View in parameter assignment mode (example):
Press
View in the message text (example):
Reducing the input response of the analog comparator
You can selectively delay the output of an analog comparator by means of the "On-delay"
and "Off-delay" special functions. With on-delay, output Q is only set if the pulse width of the
triggering signal at input Trg (=analog comparator output) is longer than the on-delay time.
Using this method, you will obtain a virtual hysteresis and reduce the input response to short
signals.
Function block diagram
LOGO!
Manual, 10/2017, A5E01248535-AA
LOGO! functions
4.4 Special functions list - SF
169