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Ladder Diagram Example

AND Gate Example


The ANDI closed contact orientation performs a boolean AND operation based on the OFF status of the assigned BOOL data register.

Ladder Diagram Example


When the closed contact, M17.8, is powered OFF AND the closed contact, M10.4, is powered OFF, the coil, D86.4, is deenergized.


When the closed contact, M17.8, is powered ON AND the closed contact, M10.4, is powered OFF, the coil, D86.4, is deenergized.



When the closed contact, M17.8, is powered ON AND the closed contact, M10.4, is powered OFF, the coil, D86.4, is deenergized.



When the closed contact, M17.8, is powered ON AND the closed contact, M10.4, is powered ON, the coil, D86.4, is energized.