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Proceedings Paper

New Data Transmission And Acquisition Method For A Process Control System
Author(s): Shin-ichi Yamada; Hideji Fujikawa
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Paper Abstract

Recent process control systems show a tendency to grow increasingly in scale and become more complicated with the progress of instrumentation system. To achieve economical data transmission an: acquisition of an enormous amount of information, "Hybrid Local Area Network" has been developed. This LAN can be connected with a computer or a control device and has compaibility with sensors and actuators in terminal station. Normally, the data transmission and acquisition is performed by the roll-call poling method. In emergency, random access signals are transmitted by the contention method. This method is a highly flexible multiplex transmission which will be met the microcomputer based distributed process control system.

Paper Details

Date Published: 1 January 1987
PDF: 7 pages
Proc. SPIE 0858, Signal Acquisition and Processing, (1 January 1987); doi: 10.1117/12.968283
Show Author Affiliations
Shin-ichi Yamada, Musashi Institute of Technology (Japan)
Hideji Fujikawa, Musashi Institute of Technology (Japan)

Published in SPIE Proceedings Vol. 0858:
Signal Acquisition and Processing
Russell J. Niederjohn, Editor(s)

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