建实例的相关前缀应跟随名称作为注释。 FUNCTION_BLOCK CAN

_out := b); FUNCTION_BLOCK

); FUNCTION_BLOCK FB VAR

_VAR FUNCTION_BLOCK FB

块实例的名称（ FUNCTION_BLOCK ）或程 [...] FUNCTION_BLOCK FB

FUNCTION_BLOCK FB

_TYPE FUNCTION_BLOCK FB

_on_call'} FUNCTION_BLOCK fb VAR

_TYPE FUNCTION_BLOCK FB

_VAR FUNCTION_BLOCK FB METHOD