level 2 process control system 二级过程控制系统
A review has been made on the functions of rolling automation system with the process control level and the basic automation devices described in detail.
首先对轧制过程自动化系统的功能进行了评述，较为详细地说明了过程控制级和基础自动化。
The main functions, hardware component, network configuration and software design idea of process control level, basic automation level and field execution level for this control system are described.
本文介绍了该系统过程控制级、基础自动化级和现场执行级的主要功能、硬件组成、网络结构及软件设计思想。
Design and application of two level computer control system that consists of PLC and process computer for concentrate measuring and sampling in copper melting plant are described.
介绍在铜冶炼厂由PLC和上位机组成的两级精矿自动计量和取样计算机控制系统的设计和应用情况。
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