The gas chromatograph communication system is used as communication coordination between the modules inside the instrument, usually by the main control CPU. In the development of current gas chromatographs, computer-controlled gas chromatographs have become a trend. The so-called computer control mainly uses the external interface of the computer, such as serial port, parallel port and USB port to issue instructions to the instrument to complete the control task. . Therefore, the gas chromatograph communication system includes a software and hardware system that communicates with a computer to control the instrument. This part can be completed by the main control CPU or by a separate communication module.
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