可能意外地导致意外访问。如果您指定一个 POINTER TO BYTE 到一个 POINTER TO [...] PLC_PRG VAR p

Temp1 := TO_REAL(di [...] Temp1 := TO_REAL(di [...] . 例子 PROGRAM PLC

PROGRAM PLC_PRG VAR i [...] :=0 TO 10 DO //OK i [...] :=0 TO ciBorder DO

接口的声明 检测声明 REFERENCE TO [...] REFERENCE TO ) 理由：接口 [...] _VAR PROGRAM PLC_PRG VAR

PROGRAM PLC_PRG VAR by [...] _VAR liVar := ULINT_TO [...] Var := DINT_TO_UDINT(di

_var := TO_LREAL(dintvar1) * TO_LREAL(dintvar [...] PROGRAM PLC_PRG VAR r

PROGRAM PLC_PRG VAR ptiVar1:POINTER TO INT; ptiVar2:POINTER TO INT; pti

PROGRAM PLC_PRG VAR i [...] Test : POINTER TO INT; i : INT [...] :=0 TO 10 DO pi

'} PROGRAM PLC_PRG VAR a [...] TO INT#100 BY 1 DO [...] arWord[a] := INT_TO

操作一种类型的变量 POINTER TO 哪些不是 = （平等 [...] . 例子 PROGRAM PLC [...] Temp : POINTER TO INT; i