利用可编程序调节器的选择控制功能，方便可靠地实现备用系统的软切换。
Utilize the functions of select control. Have fulfilled, conveniently and securely, the soft transfer in reserve system.
采用FISHER调节阀门和kmm可编程序调节器，提高了自动调节系统的调节质量和可靠性，优化了系统结构。
With the use of FISHER regulating valve and KMM programmable controller, the operational quality of the system was improved and the system configuration optimized.
叙述了STB—4201四回路可编程序调节器在醋酸氧化塔的应用，结合具体工艺，进行了组态编程，应用效果良好。
The application of STB-4201 four loop programmable controller in HAC reactor, is recounted with process configuration and programming. Safisfactory results are obtained.
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