Description
我们已经知道，FCS是由DCS与PLC发展而来，FCS不仅具备DCS与PLC的特点，而且跨出了革命性的一步。而目前，新型的DCS与新型的PLC，都有向对方*拢的趋势。新型的DCS已有很强的顺序控制功能；而新型的PLC，在处理闭环控制方面也不差，并且两者都能组成大型网络，DCS与PLC的适用范围，已有很大的交*。下一节就仅以DCS与FCS进行比较。在前面的章节中，实际上已涉及到DCS与FCS的差异，下面将就体系结构、投资、设计、使用等方面进行叙述。
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