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主要介绍武钢第三炼钢厂风动送样控制系统和通信体系。系统采用西门子S5－115U可编程控制器，在完成送样过程自动控制的基础上，增加了实时监控画面以及与管理计算机的通信功能。它不再是一个孤立的控制系统，而是融于了厂方整个管理网络。
Mainly introduces Wuhan Iron and Steel No. 3 steel mill pneumatic sample control system and communication system. The system adopts the Siemens S5-115U programmable controller, adds the real-time monitoring picture and the communication function with the management computer based on the automatic control of the sample sending process. It is no longer an isolated control system, but rather the entire management network of the factory.