运营商：SUB IEC 运算符减去变量。 允许的数据类型： BYTE , WORD , DWORD , LWORD

of byte which bit is accessed ByteAddress : DWORD ; /// Offset in

ByteBuffer.PutNDWords (METH) ¶ METHOD Put [...] Source POINTER TO DWORD ui

ByteBuffer.GetNDWords (METH) ¶ METHOD Get [...] Target POINTER TO DWORD ui

, LREAL , BYTE , WORD , DWORD ， 和 LWORD ) 返回

: POINTER TO BYTE [...] DWORD; diCount: DINT [...] RETURN; END_IF // Byte

) DWORD; END [...] ; batate : BYTE; dwFlags : DWORD; dw

_K 允许的数据类型 K ： BYTE , WORD , DWORD , LWORD

Temp1 : BYTE; wTemp2 : WORD; dwTemp3 : DWORD [...] Temp1 := SHR(byTemp1, BYTE

1 : BYTE; dw1 : DWORD [...] := 16#01; Var2 : BYTE [...] := 16#22; Var4 : BYTE