_VAR FUNCTION_BLOCK FB

_instance_in_retain'} 插入位置：上方的行 FUNCTION_BLOCK

_VAR 功能块的实现： FUNCTION_BLOCK

_VAR FB(); FUNCTION_BLOCK

_VAR FUNCTION_BLOCK FB

能将它们用作标识符： ACTION END_ACTION END_FUNCTION END_FUNCTION_BLOCK

InvisibleIn . FUNCTION_BLOCK FB [...] '} FUNCTION_BLOCK FB_A VAR [...] function block from

.in_out; FUNCTION_BLOCK FB VAR

Var; FUNCTION_BLOCK FB [...] type> <function block > 数据类型 DUT 功能

type | function block > <initial