IDEC SmartRelay FL1A-H12RCE, Руководство пользователя

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IDEC SmartRelay Functions
4-9
IDEC SmartRelay User’s Manual
Logic table for OR:
1 2 3 Q
0 0 0 0
0 0 1 1
0 1 0 1
0 1 1 1
1 0 0 1
1 0 1 1
1 1 0 1
1 1 1 1
4.2.6 NOR (OR Not)
The series connection of a number of
normally closed contacts is represented
in a circuit diagram as follows:
S ymbol in SmartRelay:
The output of NOR only adopts the state 1 if all the inputs
have the state 0 (i.e. they are switched off). As soon as any
of the inputs is switched on (state 1), the output of NOR is
set to 0.
If an input pin of this block is not wired (x), then the
following applies to the input: x = 0.
Logic table for NOR
1 2 3 Q
0 0 0 1
0 0 1 0
0 1 0 0
0 1 1 0
1 0 0 0
1 0 1 0
1 1 0 0
1 1 1 0
Symbol in IDEC SmartRelay