제어로봇시스템학회:학술대회논문집
- 제어로봇시스템학회 2003년도 ICCAS
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- Pages.1152-1156
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- 2003
Development of the Serial Data Transmission System for Pneumatic Valve System Control
- Kim, Dong-Soo (Advanced Industrial Technology Department, Korea Institute of Machinery and Materials) ;
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Choi, Byung-Oh
(Advanced Industrial Technology Department, Korea Institute of Machinery and Materials) ;
- Seo, Hyun-Seok (Advanced Industrial Technology Department, Korea Institute of Machinery and Materials)
- 발행 : 2003.10.22
초록
For pneumatic valve system control, we need a serial data transmission system with high speed and reliability for information interchange between main computer and I/O devices. This paper presents a set of design techniques for a data communication system that is mainly used for pneumatic valve system control. For this purpose, we first designed hardware modules for an interface between central control module and local node that handles the operation of solenoid control valves. in addition, we developed a communication protocol for construction of rs-485 based multi-drop network and this protocol is basically designed with a kind of polling technique. Finally we evaluated performance of the developed system. the field test results show that, even under high noise environment, the data transmission of 375kbps rate is possible up to 1,500meter without using repeater. In addition, the system developed in this research is easily to be extended for a communication network because of its modular structure.
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