Make a Connection on a Ladder Diagram

To make a connection on a Ladder Diagram:

1. Select a connection box on one of the items you want to connect. Keep the left-hand mouse button pressed down.
2. Drag the cursor to a connection box on the other item (the item to which you are connecting the item in step 1).

   

3. Release the left-hand mouse button.
   A connection line is drawn (if the connection is valid).