-defined data type Function [...] -defined data type Function [...] -defined data type Function

Data Type [...] TO <data type> | <data [...] <function block name> ;

Data Type: BIT The data type BIT [...] function block

Data Type [...] with the REFERENCE data type [...] TO <data type> ; <data

Data Type [...] . The STRING data type [...] variable of data type

for function block types [...] of the type FUNCTION_BLOCK [...] function block types

Function Block Function [...] function block for I [...] all function blocks

Function Block [...] .TON function block [...] of the function block

Function Block General [...] function block "extends [...] of the base function block

Function Block Instance [...] function block instance [...] function block instance