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Design and Application of Centrifugal Compressor Monitoring System

Author: ZhangQingYu
Tutor: ZhangShiï¼›GaoFeng
School: Northeastern University
Course: Electronics and Communication Engineering
Keywords: Communication MODBUS protocol centrifugal compressor RS485
CLC: TP277
Type: Master's thesis
Year: 2010
Downloads: 13
Quote: 0
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Abstract


The core device of the petrochemical industry in general made use of the Group of Shenyang Blower centrifugal compressor, centrifugal compressor is a multi-stage, giving a higher gas pressure, large flow and high efficiency, has become the industrial application of the most common type of compressor. But it also has some inherent flaws and are difficult to eliminate, such as stable work area narrow, prone to surge and so on, often because of minor deviations may result in serious accidents, but also the emergence of these incidents are often violent fast alone handled manually is taken by surprise. With the computer monitoring technology, an urgent need to improve centrifugal compressor control means to improve the quality of its monitoring.In this thesis, petrochemical industry, Huajin Chemical ethylene compressor monitoring system as research object, from the device process technology analysis, based on the MODBUS network architecture, design Chu Lixin compressor monitoring system.MODBUS protocol is currently more popular in the industry one of the agreements is to achieve human-machine interface technology as a bridge. Therefore, based on MODBUS protocol man-machine interface research has certain practical significance and significance. In this paper, controller TS3000 and the use of C# language development of human-machine interface for the object, the communication between the two functions have been studied and successfully achieved the communication between the two.In the MODBUS protocol and asynchronous serial communication theory, based on the hardware of the controller design, including the TS3000 system hardware selection and TCM communication module configuration, a serial communication interface circuit design and implementation, at the same time gives the serial TCM with the human-machine interface connections. In this thesis, based on MODBUS RTU protocol centrifugal compressor design and application of monitoring system to make up for past human-machine interface HMI and PLC communication difficult defects to develop between HMI and PLC provides a theoretical basis for direct communication.

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CLC: > Industrial Technology > Automation technology,computer technology > Automation technology and equipment > Automation systems > Monitoring, alarm,fault diagnosis system
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