IDEC SmartRelay functions
100
IDEC SmartRelay Manual
4.2.3
NAND (NOT AND)
The output of the NAND is only 0 if the status at
all
inputs is
1, i.e. the contacts are closed.
At an unused block input (x): x = 1.
Table of the NAND logic
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
Symbol in IDEC SmartRelay:
Parallel circuit with multiple break
contacts in the circuit diagram:
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