CFC and extended [...] At any time, you can extend

opens. Extend

1 and fub2 extend

-on product that extends [...] that extend the scope

that extends another POU [...] blocks that extend [...] . Therefore, SubFB EXTENDS

Extends : Specification [...] with the EXTENDS keyword [...] that you cannot extend the function

Advanced : Extends [...] of the interface that extend

, you can extend

15 and later you can extend

to extend existing