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 | LDATE | LDATE [...] | USINT | WORD 时间

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

| ULINT | BYTE | WORD [...] 没有显式声明基本数据类型，则 INT 自动 [...] type is INT, default

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

_ULINT INT_TO_USINT INT_TO_WORD [...] _DT WORD_TO_DWORD WORD_TO_INT [...] ); wReturn := INT_TO_WORD

_DT STRING_TO_DWORD STRING_TO_INT [...] _USINT STRING_TO_WORD STRING_TO [...] _DWORD WSTRING_TO_INT WSTRING_TO

_DWORD DATE_TO_INT DATE_TO [...] _USINT DATE_TO_WORD DATE_TO [...] _DINT DT_TO_DWORD DT_TO_INT

_DT BOOL_TO_DWORD BOOL_TO_INT [...] _USINT BOOL_TO_WORD BOOL_TO [...] Return_12 := BOOL_TO_INT(TRUE); i