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IDEC SmartRelay functions
IDEC SmartRelay Manual
114
4.2.1
AND
Circuit diagram of a series circuit with
several normally open contacts:
Symbol in IDEC SmartRelay:
The output of the AND is only 1 if
all
inputs are 1, i.e. all con-
tacts are closed.
At an unused block input (x): x = 1.
Table of the AND logic
1
2
3
4
Q
0
0
0
0
0
0
0
0
1
0
0
0
1
0
0
0
0
1
1
0
0
1
0
0
0
0
1
0
1
0
0
1
1
0
0
0
1
1
1
0
1
0
0
0
0
1
0
0
1
0
1
0
1
0
0
1
0
1
1
0
1
1
0
0
0
1
1
0
1
0
1
1
1
0
0
1
1
1
1
1
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