Dissertation > Industrial Technology > Automation technology,computer technology > Automation technology and equipment > Automation systems > Automatic control,automatic control system

Wireless Interconnection of Fieldbus System

Author ZhouLei
Tutor WeiYiLi;WangXinChun
School Inner Mongolia University of Science and Technology
Course Control Theory and Control Engineering
Keywords ZigBee DeviceNet GPRS Fieldbus
Type Master's thesis
Year 2010
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DeviceNet is a low - cost , high-performance fieldbus network based on CAN technology , the physical layer and the data link layer follow CAN2.0 agreement by the CAN controller chip to achieve a data link layer protocol . ZigBee technology is a short-range , low-complexity , low-power , low-data- rate , low - cost , two-way wireless communication technology , or Wi-Fi technology , mainly suitable for small business to carry data traffic can be embedded in a variety of devices . GPRS network is based on GSM coverage of a wide range of performance wireless network the GPRS communications network itself has strong error correction capability , high data transfer rate , to ensure the reliability of data transmission and real-time . Based on the DeviceNet technology , ZigBee technology and GPRS technology characteristics , combined with the actual situation in the field environment , given the field data collection and long-distance transmission of the overall solution , to using fieldbus the DeviceNet and wireless sensor networks ZigBee combined at the scene , the use of long-distance transmission GPRS network , so convenient, real-time control of the scene and low cost of remote data transmission . Paper , the detailed analysis and design of the hardware and software of the system . Hardware aspects of the chosen the Chipcon companies UHF monolithic transceiver chip CC1000 ZigBee network data transmission , remote transmission of data using the SIMCOM GPRS module SIM300 choose the Microchip Company 's MCP2515 CAN controller , CPU use Atmel's ATMEGA128 ; software , using the embedded real-time operating system AVRX this operating system kernel is small , fast code open to facilitate the reduction and expansion , based on the ZigBee protocol stack software , DeviceNet application layer protocol and GPRS the preparation of the data transfer software .

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