Siemens LOGO! - AND with Edge Evaluation; Timing Diagram for the and with Edge Evaluation

LOGO! Manual
A5E00380835-01
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4.2.2 AND with edge evaluation
Symbol in LOGO!:
The output of an edge triggered AND is only 1 if all inputs
are 1 and if at least one input was low in the previous cy-
cle.
At an unused block input (x): x = 1.
Timing diagram for the AND with edge evaluation
1
Cycle
3
Q
2
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10
4
LOGO! functions