秦皇岛煤三期工程电控系统中计算机网络的数据通信

Data Communication of the Computer Network in Electrical Controlled System of the Third Stage Project of Coal-Wharf of Qin-Huang-Dao

本文介绍秦煤三期工程中 VAX8250计算机和可编程序控制器 PLC 联网方式、通信规则、编程例子及实验方法,以及建立在数据通信基础上的数据管理。

This paper introduces the network and rules of communication between VAX8250 and PLC,some sample programs,experimental methods,and the data management based on the eommunication in control system of the stage Ⅲ coal terminal of Qin-Huang-Dao.