On/Off Delay - Siemens LOGO! 24RC Manual

LOGO! Functions
4.4.3

On/Off Delay

Brief description
In the case of the on/off delay, the output is switched
through after a programmable time and reset after a para-
meterizable time period has elapsed.
Symbol in
LOGO!
Parameters T
H
Note the default values for the parameters T
Section 4.3.2.
84
Connection
Input Trg
Parameter Par
Output Q
and T
L
Description
A rising edge (change from
0 to 1) at the input Trg (Trig-
ger) starts the time T
the on delay.
A falling edge (change from
1 to 0) starts the time T
the off delay.
T is the time after which
H
the output is switched on
(output signal is switched
from 0 to 1).
T is the time after which the
L
output is switched off (out-
put signal is switched from 1
to 0).
Q switches on after the
parameterized time T
elapsed if Trg is still set, and
switches off after the time T
has elapsed if Trg has not
been set again in the in-
terim.
and T
H
LOGO! Manual
A5E00067781 01
for
H
for
L
has
H
L
in
L