User Manual

LOGO! functions
4.2 Basic functions list - GF
LOGO!
126 Manual, 06/2014, A5E33039675
4.2.7
XOR (exclusive OR)
The output status of the XOR is 1 if the inputs are
not equivalent
.
At an unused block input (x): x = 0.
XOR function logic table
1
2
Q
0
0
0
0
1
1
1
0
1
1
1
0
4.2.8
NOT (Negation, Inverter)
The output status is 1 if the input is 0. The NOT block inverts the input status.
An advantage of the NOT block, for example, is that you do not have to use break contacts.
You simply use a make contact and the NOT block to convert these into a break contact.
NOT function logic table
1
Q
0
1
1
0