inst : FB; END_VAR [...] 1 VAR_INPUT END_VAR [...] IMPLEMENTS XY VAR END_VAR

inst : FB; END_VAR [...] Par : INT; END_VAR [...] IMPLEMENTS XY VAR END_VAR

; END_VAR FUNCTION [...] 3 VAR END_VAR [...] END_VAR FUNCTION

; END_VAR FUNCTION [...] MyDintB : DINT; END_VAR METHOD [...] InCopyCode:BOOL; END_VAR VAR di

itf_A VAR END_VAR [...] ; iCnt : INT; END_VAR [...] _A1.Literal_A.Get VAR END_VAR

_INPUT inst_itf2 : ITF; END_VAR [...] _itf3 : ITF; END_VAR VAR [...] ; // SA0044 END_VAR

LocalVariable : INT; END_VAR [...] ; END_VAR [...] Point : INT; END_VAR

; END_VAR With this [...] Buffer : IBuffer ; END_VAR [...] Length : UDINT ; END_VAR VAR

; END_VAR VAR_OUTPUT iOutA : INT; END_VAR [...] ; END_VAR 功能块的两个实例 FB

示例： PROGRAM PLC_PRG VAR VAR END_VAR END_VAR 信息 [...] 变量声明而不是 VAR END_VAR 本节内容如下 :