Or; Table Of The Or Logic - Siemens Logo! Manual

4.2.5 OR

Circuit diagram of a parallel cir-
cuit with several make contacts:
The output status of the OR element is only 1 if at least
one input is 1, i.e. at least one of the contacts is closed.
At an unused block input (x): x = 0.

Table of the OR logic

1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
LOGO! Manual
A5E00380835-01
2 3 4
0 0 0
0 0 1
0 1 0
0 1 1
1 0 0
1 0 1
1 1 0
1 1 1
0 0 0
0 0 1
0 1 0
0 1 1
1 0 0
1 0 1
1 1 0
1 1 1
LOGO! functions
Symbol in LOGO!:
Q
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
121