_IF Var1:=Var1/INT [...] :=Var1; 本节内容如下 :

_BOOL : BOOL VAR_INPUT END_VAR VAR    xTest : BOOL; END_VAR x

PROGRAM PLC_PRG VAR i [...] ; END_VAR VAR [...] Border:INT := 10; END_VAR FOR i

'} FUNCTION fun1 : INT VAR_INPUT i : INT; END_VAR [...] 的： PROGRAM PLC_PRG VAR

_Recursive : UDINT VAR_INPUT uiN : UINT; END_VAR VAR END_VAR m

StringWrite : BOOL VAR_INPUT str [...] Output : POINTER TO STRING; END_VAR VAR_STAT dw

_Output_Int VAR_INPUT i [...] Offset : INT := 0; END_VAR VAR

PLC_PRG VAR pInt : POINTER TO INT; byteVar : BYTE; END_VAR p

> := <initial value> ; END_VAR <scope> : VAR | VAR_INPUT | VAR_STAT | VAR

_BLOCK FB_01 VAR strVar [...] ; END_VAR :