Description
传统DCS的开发成本高，门槛高的原因，众多厂商采用了运算器＋模块的方式。实际国内的很多厂商都采用这种方式。运算器可以采用工控机或者嵌入式计算机，也可以采用国外的传统的运算器，如FOXBORO的DDC运算器。
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