Design of Direct Cooling Water Supply Control System Based on Siemens S7-300 PLC

机译：基于西门子S7-300 PLC的直冷水供应控制系统设计

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Continuous and stable supply of circulating cooling water is indispensable to the process of rolling steel pipes. Therefore this paper discusses the design of a constant pressure water supply from a cooling pool. In step 7 of the Siemens S7-300 PLC programming software, the program recruits PID function block FB41 and the computing result is transmitted to the frequency converter by PROFIBUS-DP field bus. The frequency converter controls the speed of the water pump to achieve water supply of variable frequency and constant pressure. PLC and the upper industrial computer exchange messages through the industrial Ethernet. The upper industrial computer monitors the operation of the direct cooling water supply system to reduce the risk of accidents, ensuring the reliability and safety of the water supply operation.

机译：循环冷却水的连续稳定供应对于轧制钢管的过程是必不可少的。因此，本文讨论了冷却池恒压供水的设计。在Siemens S7-300 PLC编程软件的步骤7中，程序招募PID功能块FB41，并且计算结果由PROFIBUS-DP现场总线传输到变频器。变频器控制水泵的速度，以实现可变频率和恒定压力的供水。 PLC和上部工业计算机通过工业以太网交换消息。上工业计算机监控直接冷却供水系统的运行，以降低事故的风险，确保供水操作的可靠性和安全性。

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《International Conference on Mechatronics and Automation Engineering》|2017年|xxi 538 p. :|共7页
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作者
Jing-Tian Xu; Hong-Fang Zhou;
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原文格式 PDF
正文语种
中图分类 TH-532;
关键词
Circulating Cooling Water; Constant Pressure; PLC; Field Bus;

机译：循环冷却水;恒压;PLC;现场总线;

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Design of Direct Cooling Water Supply Control System Based on Siemens S7-300 PLC

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