125
LOGO! Manual
A5E00067781 01
Timing diagram
T
a
starts
T
H
Q
Trig
T
L
Description of function
If the state of the input Trg changes from 0 to 1, the current
time T
a
starts and the output Q is set to 1.
If the time T
a
reaches the time T
H
, the output Q is reset
to 0.
In the event of a power failure, the elapsed time is reset.
If the state 0 changes to 1 at the input Trg, and 1 remains
set at least for the time T
L
, the permanent light function is
activated and the output Q is switched on permanently.
If the input Trg is switched again, T
H
is reset and the output
Q is switched off.
LOGO! Functions
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