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阐述了工业自动控制系统中常用的PLC、DCS的相关概念以及各自的特点,从技术需求、经济合理性及日常维护等方面,总结出了为不同工业生产过程选择合适的自动控制系统的一般方法。
The common concepts of PLC and DCS in industrial automatic control system and their respective characteristics are expounded. The general methods of selecting suitable automatic control system for different industrial processes are summarized from the aspects of technical requirements, economic rationality and routine maintenance. .