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0 前言现场总线是近10多年来出现的一种基于现场设备之间进行通讯的新型总线系统。随着现场总线技术的发展,在烟草加工自动化中的应用越来越多。其中西门子公司的 PROFIBUS-DP现场总线系统以其高速和便宜的通讯连接特性在烟草加工自动化领域得到了广泛的应用。我们承制的济南卷烟厂6组双层贮丝柜电控系统是在国内首次使用SIMATIC ET 200S新一代I/O系统,采用PROFIBUS-DP高效的总线系统将
0 Preface Field bus is a new type of bus system based on the communication between field devices in the past 10 years. With the development of fieldbus technology, the application of tobacco processing automation is more and more. Among them Siemens PROFIBUS-DP field bus system has been widely used in tobacco processing automation field with its high-speed and cheap communication connection characteristics. We undertake the system of 6 sets of double-layer wire-wound silo in Jinan Cigarette Factory which is the first generation of I / O system of SIMATIC ET 200S in China and the highly efficient bus system of PROFIBUS-DP