Nand With Edge Evaluation; Timing Diagram For The Nand With Edge Evaluation - Siemens Logo! Manual

LOGO! functions

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
2
3
4
Q
Cycle
120
1 2 3 4 5 6
9
7 8
10
LOGO! Manual
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