/LD/IL Element: Box Symbol: A box and its call [...] , or operators. A box can
/LD/IL Element: Box with EN [...] . The box generally corresponds to the Box FBD
Box Symbol [...] box. Call : FBD [...] . The defective box is selected
Box Symbol [...] inserts a box [...] . No box is selected
Empty Box Symbol [...] an empty box at the end [...] . No box is selected
Box with EN [...] inserts a box [...] . No box is selected
Empty Box with EN [...] an empty box [...] . No box is selected
Box Parallel (below [...] inserts an empty box [...] Requirements : A box
. Boxes [...] . Boxes and variables [...] , optional boxes (POUs
for programming with boxes