Timing Diagram B; Preset Of The Par Parameter - Siemens Logo! Manual

Timing diagram B

Trg
Q
N=2
Functional description
A 0 to 1 transition at input Trg triggers the time T
Low). After the time T
duration of T
If there is a further 0 to 1 transition (retriggering pulse) at
input Trg before the preset time (T
reset and the pulse/pause cycle is restarted.
If retentivity is not set, output Q and the time are reset after
a power failure.

Preset of the Par parameter

View in programming mode (example):
B25
TL =02:00s
TH =03:00s
Press
B25
N
LOGO! Manual
A5E00380835-01
T T T T T T T T
L L H H L L H H
L
(Time High).
H
1+R
2
=1
Timing diagram for the sample
configuration
has expired, output Q is set for the
+ T
L
Protection mode and retentivity
Interpulse width
Pulse width
Number of pulse/pause cycles
(example)
LOGO! functions
(Time
L
) has expired, T
H
is
a
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