Distributed remote-control protocol: DRCP for field bus

Shaojing Su; Zhiping Huang; Guilin Tang; Jun Jing

doi:10.1117/12.385633

9 May 2000 Distributed remote-control protocol: DRCP for field bus

Shaojing Su, Zhiping Huang, Guilin Tang, Jun Jing

Proceedings Volume 4077, International Conference on Sensors and Control Techniques (ICSC 2000); (2000) https://doi.org/10.1117/12.385633
Event: International Conference on Sensors and Control Techniques (ICSC2000), 2000, Wuhan, China

Abstract

This paper introduces the master-slave DRCP (Distributed Control Protocol), a new protocol for field bus. In this protocol, the master controller uses differential signals to transmit control command and to communicate with the executive units. It can control several executive units at the same time, and can also command each unit respectively. Because the protocol adopts bi-directional communication mode, the controller can obtain the feedback information and measure data from the executive units while it is sending commands. So the protocol has data acquisition ability. First, the reason and significance to bring forward this protocol is presented, then the physical link and the signals transmitted on data line is introduced, which is followed with an example based on RS485 standard. Secondly, the application situation and system configuration to utilize this protocol is described. In this part, the standard to select the operation speed of processor is given. Thirdly, the paper emphasizes on communication regulation. In the end, an applied example is given.

Citation Download Citation

Shaojing Su, Zhiping Huang, Guilin Tang, and Jun Jing "Distributed remote-control protocol: DRCP for field bus", Proc. SPIE 4077, International Conference on Sensors and Control Techniques (ICSC 2000), (9 May 2000); https://doi.org/10.1117/12.385633

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