This paper introduces the distributing control system compossition,rinciple and the effect of controlling the temperature and pressure based on KMM programmable logic adjustor.

• 文中介绍了以KMM可编程调节器为核心的小型集散控制系统的构成和原理,阐述了改造后系统对温度、流量控制的实现方法及其效果。