Application of PLC Free-port Communication Mode in Grouting Monitoring System of Coal Mine

In order to solve problems of difficulty in self-development of users and high cost in system development because of using PPI protocol for communication between upper and lower computers in common grouting monitoring system of coal mine, the paper proposed a communication scheme between PLC and upp...

Full description

Bibliographic Details
Main Authors: JIANG Shu-guang, TAN Jian-liang, WU Zheng-yan, SHAO Hao, WANG Kai
Format: Article
Language:zho
Published: Editorial Department of Industry and Mine Automation 2010-10-01
Series:Gong-kuang zidonghua
Subjects:
Online Access:http://www.gkzdh.cn/article/id/1331