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

_VAR FUNCTION_BLOCK POU VAR a [...] function s [...] 0042 - access on function via

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

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

); //Declaration FB1 FUNCTION_BLOCK [...] FUNCTION_BLOCK FB //... FUNCTION_BLOCK FB

. FunctionBlock = 2 ¶ A function block. Function [...] / Function Block Diagram

： FUNCTION_BLOCK 功能 乐趣 ： FUNCTION 属性： attribute

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

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

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