Direct Contact

Direct contacts enable a Boolean operation between a connection line state and a Boolean variable.
ldr_drc1
Left Connection
Right Connection
The state of the connection line on the right of the contact is the logical AND between the state of the left connection line and the value of the variable associated with the contact.
Example
ldr_drc2
(* ST Equivalence: *)
output1 := input1 AND input2;
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