Siemens LOGO! Series - Page 147

LOGO! functions
4.2 Basic functions list - GF
LOGO!
Manual, 04/2011, A5E03556174-01
147
4.2.5 OR
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
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ุ
4
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ZLWKVHYHUDOPDNHFRQWDFWV
6\PEROLQ/2*2
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