only within its own POU [...] or only within its own POU ( [...] for the assigned function block

of function blocks [...] to the calling POU [...] in functions and methods

Example POU The library [...] the function of the library prefix. FUNCTION

_VAR POU(); FUNCTION POU [...] function calls itself [...] that functions

(); FUNCTION POU IMPLEMENTS [...] only be implemented by function [...] function block. Error

inst : POU; END_VAR FUNCTION POU VAR END [...] a function. Error

: FUNCTION_BLOCK POU VAR [...] of the function block POU [...] function block

_VAR FUNCTION POU VAR END [...] '<function name>' Possible [...] The function block specified

POU and a variable [...] local function block [...] has the same name as a function

_PRG VAR END_VAR POU_1(); FUNCTION POU_1 VAR [...] function. Error