User Manual

LOGO! functions
4.2 Basic functions list - GF
LOGO!
Manual, 06/2014, A5E33039675
125
1
2
3
4
Q
1
0
1
1
1
1
1
0
0
1
1
1
0
1
1
1
1
1
0
1
1
1
1
1
1
4.2.6
NOR (not OR)
The output status of the NOR is only 1 if
all
inputs are 0, that is, off. The NOR output is set to
0 when one of the inputs is on (logical 1 status).
At an unused block input (x): x = 0.
NOR function logic table
1
2
3
4
Q
0
0
0
0
1
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
0