文档介绍：ABSTRACTThislessonisconcerningthesystemofweighingfireproofmaterialSCM-,,‘showedonLEDdisplay,:ircuits(signalcollectionandamplifying)anclI/,theelectricsignalsenteredtheA/DchipandaretransformedtodigitalsignalswhichareputintoSCM•,LEDdisplay,transducer,electromotorportcircuits,,,transducer,electromotor,,todesignarefractorymaterialingredientweighingsystem,usedtoimplementtherefractoryingredientsproductionlineinthefactoryautomation・puter,a