Ladder Diagram Example

LD Gate Example

The LD contact orientation creates an execution condition based on the ON status of the assigned BOOL data register, S.

Ladder Diagram Example

When the open contact, M24.5, is powered OFF, the coil, Y3.3, is deenergized.

When the open contact, M24.5, is powered ON, the coil, Y3.3, is energized.