Shift+F4
Insert a contact before the selected item.
F4
Insert a contact after the selected item.
Ctrl+F4
Insert a contact in parallel with the selected items
Ctrl+Space
Insert a horizontal line before the selected item so that it is pushed to the right.
Shift+F8
Insert a block before the selected item.
F8
Insert a block after the selected item.
Ctrl+F8
Insert a block in parallel with the selected items.
Shift+F9
Add a jump in parallel with the selected coil.
F9
Add a coil in parallel with the selected coil.
Ctrl+R
Insert a new rung in the diagram.
Ctrl+D
Insert a comment between rungs.