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Data Exchange Method of Paper Machine Cross Direction Basis Weight Control System
  
DOI：10.11980/j.issn.0254-508X.2015.09.007
Key Words:cross direction basis weight  OPC  data exchange
Fund Project:陕西省科技计划经费资助项目(项目编号：2014K05-03)；陕西省科技统筹创新工程计划项目(项目编号：2012KTCQ01-19)；陕西科技大学科研启动基金项目(项目编号：BJ11-07)。
Author NameAffiliation
刘文波 陕西科技大学电气与信息工程学院,陕西西安,710021 
汤　伟 陕西科技大学电气与信息工程学院,陕西西安,710021 
王　樨 陕西科技大学电气与信息工程学院,陕西西安,710021 
王孟效 陕西科技大学电气与信息工程学院,陕西西安,710021 
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Abstract:Aimed at the paper machine cross directional basis weight control system, the problems of obtaining basis weight data and controlling output data transmission were analyzed. The host computer software was designed by using Visual Basic software as the development tool. The data exchange between machine direction control system and cross direction control system was realized by using OPC, and the data transmission to actuators was realized by using RS485 serial port communication with custom protocol based on reduced open system interconnection model, thus the opening of dilution water valves could be tuned. On this basis, the automatic control of paper cross direction basis weight was achieved.
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