1.1ChinaPulp&PaperIndustryVol.26,No.12Dec.,200511.22.12.1.1ChinaPulp&PaperIndustryVol.26,No.12Dec.,200522.1.22.1.32.2ChinaPulp&PaperIndustryVol.26,No.12Dec.,20053Thepresentsituationanddevelopmenttrendofautomationandinstrumentforpulpingandpaper-makinginChinaWANGYing,LIUAn-jiang(HangzhouInstituteofLightIndustryElectromechanicalDesignandResearch,Hangzhou310004,Zhejiang,China)Abstract:Pulpingandpapermakingisacomplicatedindustrialprocesswithhighuncertainty,nonlinearity,connectiveness,bigdelayandincompleteness.Withthefieldbusasthecore,thepresentdevelopmenttrendofcontrolsystemisthewholeplantcentral-controlwithmoreextensivecontrolcontentsandmorespecializedcontrolmethods.ThepaperanalysesthetendofautomationandinstrumentforpulpingandpapermakinginChina,expoundstheimportantfunctionsofautomationsysteminpulpingandpapermakingandprobesintothespecificcontrolmodes.Keywords:automaticcontrol;instrument;communication;fieldbus;PROFIBUS-DP;DCS