, but in the stack of the function block instance [...] _INST variable functions like

block implemented [...] the inheritance ( EXTENDS [...] for the name extends to a

, or function block Union [...] _PENTAGON EXTENDS S_POLYGONLINE : [...] : Add DUT Function :

for function blocks [...] functions. At runtime, these functions check

of function blocks [...] -by-value). The variable can be extended

FUNCTION_BLOCK FB [...] to its own members, the extended [...] name> EXTENDS <basis

_STAT This functionality is an extension [...] the block. For example [...] for function calls

+ F2 Function : [...] -declaration function, the Auto [...] . With the smart tag function

_A1 FUNCTION_BLOCK fb [...] 'Function block A [...] fb_A2 FUNCTION_BLOCK

. In Extended Structured Text [...] , variable, function call [...] Variables of a function