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

LOGO! Manual
A5E00380835-01
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4.2.4 NAND with edge evaluation
Symbol in LOGO!:
The output status of the NAND with edge evaluation is only
1 if at least one input is 0 and if all inputs were 1 in the
previous cycle.
At an unused block input (x): x = 1.
Timing diagram for the NAND with edge evaluation
1
Cycle
3
Q
2
12345678
9
10
4
LOGO! functions