Break contacts, as well as make contacts and analog contacts represent the input terminals of a LOGO! module.
A pop-up window opens when you insert the contact in your circuit diagram. In this dialog you can specify the type of input according to your LOGO!. The cursor keys are also available as inputs as are the LOGO! TD function keys if you have a LOGO! TD module.You can also select a fixed logical level for the input.
To change an input in your LAD circuit diagram, double-click on the corresponding block to open a pop-up window in which you can make your changes.