New Data Transmission And Acquisition Method For A Process Control System

Shin-ichi Yamada; Hideji Fujikawa

doi:10.1117/12.968283

1 January 1987 New Data Transmission And Acquisition Method For A Process Control System

Shin-ichi Yamada, Hideji Fujikawa

Proceedings Volume 0858, Signal Acquisition and Processing; (1987) https://doi.org/10.1117/12.968283
Event: IECON, Cambridge, 1987, Cambridge, MA, United States

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.

Citation Download Citation

Shin-ichi Yamada and Hideji Fujikawa "New Data Transmission And Acquisition Method For A Process Control System", Proc. SPIE 0858, Signal Acquisition and Processing, (1 January 1987); https://doi.org/10.1117/12.968283

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