CODESYS Development System
设备树并打开编辑器。第一行说: FUNCTION_BLOCK POU_Ex EXTENDS POU [...] 块的编辑器打开。 展开现有的顶行条目 FUNCTION_BLOCK
CODESYS Development System
; END_VAR FUNCTION_BLOCK [...] _VAR FUNCTION_BLOCK FB2 VAR END_VAR FUNCTION_BLOCK
_all_locals'} FUNCTION_BLOCK ETrig [...] _all_locals'} FUNCTION_BLOCK LCon [...] function block if the
//Function block extended [...] : FUNCTION_BLOCK POU [...] 功能块声明 EXTENDS 和 IMPLEMENTS
CODESYS Development System
; END_VAR FUNCTION_BLOCK FB EXTENDS FB2 VAR [...] _VAR FUNCTION_BLOCK FB2 VAR i
CODESYS Development System
_VAR FUNCTION_BLOCK FB EXTENDS POU VAR END_VAR FUNCTION POU VAR END
CODESYS Development System
分配功能块实例才分配初始化值。 语法:功能块声明 FUNCTION_BLOCK <function block name> VAR [...] > : <function block name
CODESYS Development System
_VAR FUNCTION_BLOCK FB EXTENDS FB VAR END
CODESYS Development System
块变量。 FUNCTION_BLOCK fbA VAR [...] ; FUNCTION_BLOCK fb [...] ; // The function block
CODESYS Development System
_VAR FUNCTION_BLOCK XY METHOD [...] _VAR FUNCTION_BLOCK XY2 EXTENDS XY METHOD METH