Method and system of controlling network communication of automation based on blue-tooth technique

An automation network and bluetooth communication technology, applied in the field of automation network control system, can solve the problems of restricting the flexible change of the mobile network structure of field equipment, and achieve the effect of improving anti-interference ability, avoiding interference influence and reducing energy consumption
CN1455523AInactive Publication Date: 2003-11-12CHONGQING UNIV OF POSTS & TELECOMM
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Patent Information

Authority / Receiving Office
CN ยท China
Patent Type
Applications(China)
Current Assignee / Owner
CHONGQING UNIV OF POSTS & TELECOMM
Publication Date
2003-11-12
Estimated Expiration
Not applicable ยท inactive patent

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Abstract

The method mainly includes setting up field grade of Bluetooth controller, field grade of Bluetooth switch in device and field grade of Bluetooth communication module. The techniques of definition and processing of priority level, priority power change-over and overlapped word mapping interface which are carried out at application layer of Ethernet communication protocol and Bluetooth communication protocol are used to adapt to the various requirements of field grade control.
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Description

technical field

[0001] The invention relates to Bluetooth wireless communication technology, automatic control technology, data acquisition technology, industrial Ethernet technology, photoelectric isolation technology, industrial data communication technology and industrial field adaptability technology, specifically a Bluetooth-based A technical network communication method and an automatic network control system. technical background

[0002] Field devices: including transmitters, sensors, and actuators; field intelligent devices: including smart transmitters, smart sensors, and smart actuators, etc. are the objects of industrial control. At present, although Ethernet is applied to the network automation control of field devices due to its advantages of high bandwidth, low cost, mature technology and easy maintenance, etc., due to the need for wiring networking, in industrial control applications, the cost of wiring sometimes greatly exceeds The cost of other control equ...

Claims

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