User's Manual

LOGO! functions

4.2 Basic functions list - GF

LOGO!

Manual, 04/2011, A5E03556174-01

147

4.2.5 OR

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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.

OR function logic table

1 2 3 4 Q

0 0 0 0 0

0 0 0 1 1

0 0 1 0 1

0 0 1 1 1

0 1 0 0 1

0 1 0 1 1

0 1 1 0 1

0 1 1 1 1

1 0 0 0 1

1 0 0 1 1

1 0 1 0 1

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