Heterogeneous interconnection of the QNX systems and PLC in distributed control systems

被引:0
|
作者
Kotzian, J [1 ]
Kasík, V [1 ]
Srovnal, V [1 ]
机构
[1] Tech Univ Ostrava, Fac Elect Engn & Comp Sci, Dept Measurement & Control, Ostrava 70833, Czech Republic
关键词
fieldbus; computer control; real time operating system; programmable logic controllers;
D O I
暂无
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
In the following article the project of solution of distributed control system is described in which the operating system QNX in the connection with industrial bus CAN and industrial controllers PLC is used. Two ways of control system project are discussed there, The first one makes use of industrial computers of the PC type and industrial buses with intelligent sensors and actuators, the second project includes in this network also the industrial controllers PLC. With the interconnection of both possibilities we obtain the third solution which provides the advantages of both previous ones what is the high computing capacity of industrial computer and the capability of programmable controller to work in real time. Copyright (C) 2000 IFAC.
引用
收藏
页码:251 / 254
页数:4
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