LOGO! Manual
A5E00067781 01
86
4.4.4 Retentive On Delay
Brief description
Following an input pulse, a definable timed period starts on
expiration of which the output is set.
Symbol in
LOGO!
Connection Description
Input Trg Use the Trg (trigger) input to
start the time for the on
delay.
Input R Input R resets the time for
the on delay and sets the
output to 0.
Parameter T T is the time after which the
output is switched on (out-
put state is switched from 0
to 1).
Output Q Q is switched on when the
delay period T has elapsed.
Parameter T
Please refer to the note in Section 4.3.2 when specifying
the values.
Timing diagram
Trg
T
T
a
starts
Q
R
T
The bold part of the timing diagram appears in the retentive on-delay
symbol.
LOGO! Functions
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