Retentive On Delay - Siemens LOGO! 24RC Manual

LOGO! Functions
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!
Parameter T
Please refer to the note in Section 4.3.2 when specifying
the values.
Timing diagram
Trg
R
Q
T starts
a
The bold part of the timing diagram appears in the retentive on-delay
symbol.
86
Connection
Input Trg
Input R
Parameter T
Output Q
T
Description
Use the Trg (trigger) input to
start the time for the on
delay.
Input R resets the time for
the on delay and sets the
output to 0.
T is the time after which the
output is switched on (out-
put state is switched from 0
to 1).
Q is switched on when the
delay period T has elapsed.
T
LOGO! Manual
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