sign for industrial control serial devices debug tools, industry officials have been many industrial uses, the main features: 1, depending on the device' s communication protocol can easily generate multiple redundancy check, such as Modbus, also with an end symbol, for in most industrial equipment, serial communications 2, to mixed input 16 hexadecimal numbers, 10 decimal numbers, ASCII characters, this function through the escape Break " \ \" achieved 3, support serial port 1 to 255, he may Any communication parameters defined at any time to change parameters without closing the serial port, support is not commonly used baud rate, etc. 4, can be measured device response interval.