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...
Main Authors: | , , , , |
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Format: | Article |
Language: | zho |
Published: |
Editorial Department of Industry and Mine Automation
2010-10-01
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Series: | Gong-kuang zidonghua |
Subjects: | |
Online Access: | http://www.gkzdh.cn/article/id/1331 |