简介:InHL-2Atokamak,aprogramtogetthedatafromthevacuummeterhasbeendevelopedin2003.Theprogramisusedtoreadandrecordthedataoftheneutralgaspressureduringtheexperiment.Sohowtocommunicatebetweenalocalcomputerandthevacuummeterviaserial-portcommunicationisintroducedinthispaper.ThearchitectureofthesystemisshowninFig.1.