PM 1001484 000 06
Device handbook SINEAX DM5000
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C Logic functions
The principal function of the logical gates is given in the following table, for simplicity shown for gates with
two inputs only.
function
symbol
older symbols
truth table
plain text
ANSI 91-1984
DIN 40700 (alt)
AND
A
B
Y
0
0
0
0
1
0
1
0
0
1
1
1
Function is true if all input
conditions are fulfilled
NAND
A
B
Y
0
0
1
0
1
1
1
0
1
1
1
0
Function is true if at least
one of the input
conditions is
not
fulfilled
OR
A
B
Y
0
0
0
0
1
1
1
0
1
1
1
1
Function is true if at least
one of the input
conditions is fulfilled
NOR
A
B
Y
0
0
1
0
1
0
1
0
0
1
1
0
Function is true if
none
of
the input conditions is
fulfilled
Using DIRECT or INVERT the input is directly connected to the output of a monitoring function, without
need for a logical combination. For these functions only one input is used.
DIRECT
A
Y
A
Y
0
0
1
1
The monitoring function is reduced to one input only. The state of
the output corresponds to the input.
INVERT
=1
A
Y
A
Y
0
1
1
0
The monitoring function is reduced to one input only. The state of
the output corresponds to the inverted input.
