Devicenet is 16 bits, the first eight bits are high bytes, and the last eight bits are low bytes. According to the query related information: 16 is two bytes, the first eight bits are high bytes, and the last eight bits are low bytes. When a plastic data logically longer than one byte is placed in memory (such as 16-bit, 32-bit, 64-bit integer), computer designers need to consider the storage order of these bytes.