18
&
De Morgan’s Laws
NOT (
A
AND
B
) = ( NOT
A
) OR ( NOT
B
)
A
×
B
=
A
+
B
NOT (
A
OR
B
) = ( NOT
A
) AND ( NOT
B
)
A
+
B
=
A
×
B
X0
Y100
Edge detection (
á
) : DIF
X0
Y100
DIF 0
1 scan time
X0
Y100
Edge detection (
â
) : DFN
X0
Y100
DFN 0
1 scan time
X0
X1
Set/Reset coil
X0
Y100
S
X1
Y100
R
Y100
X0
Y100
X0
Y100
AND
X1
X1
X0
Y100
X0
Y100
OR
X1
X1
Internal memory R, M can be used instead of X and Y.
X0
Y100
X0
Y100
NOT