数码转换：将字数据转换为ASCII码表示的十六进制数。字数据的值域为0～65535，最多可转换为四位十六进制数。例如：字数据为0ffffh，则转换为：‘FFFF’-Digital conversion: character data is converted to ASCII code expressed in hexadecimal numbers. Word data of the range 0 to 65535, up to four hexadecimal number. Example: the word data for 0ffffh the conversion:　FFFF