随着计算机网络、通讯、控制等技术的发展，信息交换沟通的领域正在迅速覆盖从工厂的现场设备层到控制、管理的各个层次。基于现场总线的智能仪表对现场总线技术在我国的推广应用具有非常重要的意义。本文在Modbus 现场总线协议的基础上设计了一个工业温度控制系统。关键词：现场总线；ModBus 协议；单片机控制The Application of ModBus Protocol In Industry Control SystemZhuYi,Jiang,NianPing ( School of Computer Engineering, University of Shanghai for Science and Technology, Shanghai 200093) Abstract: With the development of internet, communication and control techniques, the domain of information communication and exchange has been covering from the layer of equipment to the layers of control and management. It is of great importance for the popularization and application of Fieldbus in our country to develop the digital meter based on Fieldbus.In the article,I firstly introduce the ModBus,then I design a temperature-control system.Key words:FieldBus;ModBus Protocol;MCU Control
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