Number: POINTER TO INT; i [...] 数据类型：POINTER TO [...] name>: POINTER TO

TO INT; pri [...] 明中， REFERENCE TO INT REF [...] TO INT := value

> : INT | UINT | SINT [...] 以显式声明以下基本数据类型之一： UINT | SINT | USINT [...] 没有显式声明基本数据类型，则 INT 自动

| INT | LDATE | LDATE [...] | REAL | SINT | TIME

Address1: POINTER TO INT; iVar1 : INT := 5; lw [...] | LWORD | POINTER TO

数据类型转换产生未定义的结果 REAL 或者 LREAL 到 SINT , USINT , INT , UINT

Counter : ARRAY[0..9] OF INT [...] Counter : ARRAY[0..9] OF INT [...] INT; END_VAR 第 1 维

_LWORD INT_TO_REAL INT_TO_SINT [...] _DT SINT_TO_DWORD SINT_TO_INT [...] Return := INT_TO_SINT(127); s

_DWORD DATE_TO_INT DATE_TO [...] _REAL DATE_TO_SINT DATE_TO [...] _DINT DT_TO_DWORD DT_TO_INT

_DT BOOL_TO_DWORD BOOL_TO_INT [...] _REAL BOOL_TO_SINT BOOL_TO [...] Return_12 := BOOL_TO_INT(TRUE); i