Advancement in dcs in plant communication
Summary :
Table of Contents
- Abstract
- Introduction
- Traditional DCS architecture
- Foundation fieldbus
- Foundation fieldbus communication protocols
- Conclusion
- References
Abstract
Aim of the paper is to demonstrate the advances in dcs that takes place in the Field level. In the beginning all controllers had to be placed in large panels lining the walls of the control room to enable operation directly from the controller faceplate. Sensors and actuators were hardwired to their controllers using an individual dedicated pair of wires and transmitting nothing more than a single process or manipulated variable. The analog signal only traveled in one direction, from the transmitter to the controller or from the controller to the positioner. Smart transmitters are often seen as the first step toward obtaining an intrinsically safe field bus as the basis for an international standard.
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