, variable, function call [...] Variables of a function block instance or a

, function, function block

.in_out; FUNCTION_BLOCK FB VAR

block implemented [...] it to the derived function [...] functionally. Example 465 .

Example FUNCTION_BLOCK

, function blocks [...] be available only one time

_VAR FUNCTION_BLOCK FB

Function block Change [...] function block ( EXTENDS [...] Change Function :

function block

Version function [...] the functionality. uiPatch : UINT [...] for creating blocks