在调用 '<function block name>' 时赋 [...] _VAR inst(); FUNCTION_BLOCK

_VAR FUNCTION_BLOCK FB1 VAR [...] _VAR FUNCTION_BLOCK FB2 VAR

; END_VAR FUNCTION_BLOCK [...] _VAR FUNCTION_BLOCK FB2 VAR i

_VAR FUNCTION_BLOCK XY METHOD [...] _VAR FUNCTION_BLOCK XY

_VAR FUNCTION_BLOCK XY METHOD [...] _VAR FUNCTION_BLOCK XY

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

. 添加 FUNCTION_BLOCK [...] 218 . 减法 FUNCTION_BLOCK [...] FUNCTION_BLOCK FB

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

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

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