of the external implementation [...] , and in the library function blocks [...] function blocks

External POU - [...] for external POUs is used [...] . External POUs

in the implementation section must [...] variables FUNCTION_BLOCK [...] section, including VAR_EXTERNAL

or function blocks ( FUNCTION_BLOCK ). [...] External POU (Safety

block ( NoExternal [...] block ( NoExternal [...] block ( NoExternal

and Function Blocks , [...] The PLCopen function blocks [...] with its members and external

implementation. Tip [...] Implementation for programming [...] external device K1 K

in the application. Function block [...] )> Implementation Table 109 . [...] in implementation Error Number

of the function block [...] block in Version list of function blocks .

implementation in a POU, it has to be declared as VAR_EXTERNAL [...] in the implementation part of POUs