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IDEC SmartRelay functions
IDEC SmartRelay Manual
117
NAND function logic table
4.2.4
NAND with Edge Detection
Symbol in IDEC SmartRelay:
The output status of the NAND with Edge Detection 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.
1
2
3
4
Q
0
0
0
0
1
0
0
0
1
1
0
0
1
0
1
0
0
1
1
1
0
1
0
0
1
0
1
0
1
1
0
1
1
0
1
0
1
1
1
1
1
0
0
0
1
1
0
0
1
1
1
0
1
0
1
1
0
1
1
1
1
1
0
0
1
1
1
0
1
1
1
1
1
0
1
1
1
1
1
0
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