: instFb_A : Fb_A . [...] the following: instMultiFb [...] [0..9] OF Fb_A; . A

(for example, ptrFb_A: POINTER TO Fb_A; or ptrFb_B: REFERENCE TO Fb_B; ).

the name FB_Machine . [...] . The class FB [...] (ST) . The class FB

method FB [...] block (FB) <<function [...] > Example: fbBase : FB

function block named FB [...] . PROGRAM PLC_PRG VAR fb_Simple_Machine_A : FB

block Fb_A inherits from Fb_Base : FUNCTION_BLOCK Fb_A EXTENDS Fb

FB : FUNCTION

. Select the class BaseFB