基于我国大型冷库的制冷监控系统主要采用人工或集中式控制的现状，提出一种基于PLC 和Profibus 现场总线的大型冷库网络控制系统。此控制系统不仅提高了控制品质和效率，同时也实现了整个冷库运行过程的实时监控和管理。将此设计运用于实际的水产食品冷库系统中，取得了令人满意的控制效果和经济效益。关键词 冷库系统; 网络监控; PLC 控制; ProfibusAbstract—Based on the state of manual control or concentrating control of large-scale cold storage in our country presently, a kind of network control system for large-scale cold stroage based on the PLC and Profibus is proposed. The solution not only improves thecontrol quality and efficiency, but also realizes the real time monitor and management of the whole circulating process. It obtains to a satisfied control and economic resulet when it used in an actual aquatic grocery cold storage system.Keywords—cold storage; network monitoring; PLC control; Profibus
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