IDEC SmartRelay Manual
187
IDEC SmartRelay functions
4.4 Special functions list - SF
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
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