_2 function block extends [...] the Function block type [...] to FUNCTION_BLOCK POU

), a function block [...] block (FB) <<function [...] of the first class. FUNCTION_BLOCK

from another function block [...] from Fb_Base : FUNCTION_BLOCK [...] to the keyword EXTENDS . A

. The function block FB [...] function block FBMachine [...] It of the base function block

PROGRAM Function block FB : FUNCTION_BLOCK Function FUN : FUNCTION

or function block [...] is used to extend a

function block named FB [...] of the function block instance [...] -click the function block FB

(type: FUNCTION_BLOCK [...] composition FUNCTION_BLOCK [...] FUNCTION_BLOCK Fb_D VAR

(type: FUNCTION_BLOCK [...] ). FUNCTION_BLOCK Fb_C VAR [...] Dut_A . FUNCTION_BLOCK

has been extended by the declaration of a function block instance