阐述了控制网络的结构，系统的管理，所控制设备与控制器间的通讯及人机界面。

The topology of control network, system management, communication between control equipment and CPU, human machine interface (HMI) were clarified.

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所有可编程控制器(plc)和处理器应采用植入目标链接(ole)的过程控制(opc)协议，以便与中央控制和数据处理系统的通讯。

All Programmable Logic Controllers (PLC) and Processors shall use Object Link Embedded (OLE) process control (OPC) protocol to facilitate communication to a central control and data processing system.

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本文介绍了以TMS320 LF 2407a为核心控制器的步进电机自动升降速控制系统与PC机的通讯及程序设计方法。

It's introduced that the controlling system in raising and reducing speed of stepper motor that is based on core controller, TMS320LF2407A, communicates with PC, as well as the method of programming.

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