_PRG(); FUNCTION_BLOCK AFB VAR [...] Local + 1; FUNCTION_BLOCK

| FUNCTION_BLOCK | METHOD [...] 声明部分 PRG , FUNCTION_BLOCK [...] 远程直接读取或写入 <function block instance

从一个类或全局变量列表指向一个类（类型： FUNCTION_BLOCK [...] 组成 FUNCTION_BLOCK Fb_D VAR [...] _VAR 多重组合 FUNCTION_BLOCK

_VAR FUNCTION_BLOCK FB [...] _VAR FUNCTION POU VAR END

_MoveAbsolute function block 1: Move [...] _MoveAbsolute function block: 2: Move

_A.Meth_MyInit . FUNCTION_BLOCK FB_A VAR [...] ; END_VAR FUNCTION_BLOCK

指针 FUNCTION_BLOCK [...] _DoAlso := TRUE; FUNCTION_BLOCK

_1'} FUNCTION_BLOCK POU [...] _VAR FUNCTION_BLOCK PLC

. FUNCTION_BLOCK FINAL [...] dynamically. FUNCTION_BLOCK [...] structure (the Block

： FUNCTION_BLOCK 功能 乐趣 ： FUNCTION 属性： attribute