Multi-protocol?conversion equipment based on wireless ZigBee, CAN bus and MODBUS/TCP and realization method thereof

A technology of CAN bus and conversion equipment, which is applied in the field of multi-protocol conversion equipment, can solve the problems that are useless and do not involve MODBUS/TCP Ethernet communication, wireless ZigBee technology, etc., and achieve the effect of easy system interconnection and expansion of network control scale

Inactive Publication Date: 2014-05-28
YANSHAN UNIV
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After searching the existing technical literature, it is also found that "Industrial and Mine Automation" 2010 1671-251X (2010) 11-0101-05, the name is the design of multi-protocol conversion gateway for mining, and an embedded multi-protocol conversion gateway for mining is proposed. The design scheme of the protocol conversion gateway, which solves the data exchange problem of va

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  • Multi-protocol?conversion equipment based on wireless ZigBee, CAN bus and MODBUS/TCP and realization method thereof
  • Multi-protocol?conversion equipment based on wireless ZigBee, CAN bus and MODBUS/TCP and realization method thereof
  • Multi-protocol?conversion equipment based on wireless ZigBee, CAN bus and MODBUS/TCP and realization method thereof

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[0039] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0040] A preferred example of the present invention is described below in conjunction with accompanying drawing:

[0041] Such as figure 1 As shown, a kind of wireless ZigBee network based on IEEE802.15.4 standard that the present invention realizes is introduced into the multi-protocol conversion equipment of CAN bus and MODBUS / TCP industrial Ethernet, and this equipment comprises MODBUS / TCP slave station, ZigBee wireless master station, CAN bus master station; the microprocessor chooses STM32F107 chip as the control center of the equipment, connects ZigBee wireless signal radio frequency chip CC2530 through USART, and connects with CAN controller SN65VHD230 chip through...

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Abstract

The invention discloses a multi-protocol?conversion equipment which introduces a wireless ZigBee network based on IEEE802.15.4 standard to a CAN bus and MODBUS/TCP?industrial?Ethernet?and the realization method thereof. The equipment comprises a microprocessor, a ZigBee wireless main?station, a CAN bus site and an MODBUS/TCP slave station; the microprocessor serves as the control center of the equipment and completes information analysis and distribution among different protocols; an Ethernet physical-layer chip is connected with the microprocessor via an MII interface and an MODBUS/TCP slave station module is built; through connection with a CAN controller via an input bus RX and an output bus TX, a CAN bus main station module is built; a wireless radio frequency chip CC2530 is selected to serve as the ZigBee wireless main?station of the equipment and the wireless radio frequency chip CC2530 is connected with the microprocessor via a USART for data exchange. According to the multi-protocol?conversion method of the invention, data conversion among three protocols of teh ZigBee wireless network, the CAN bus and the MODBUS/TCP?Ethernet are completed through opening an address?conversion mapping?table and a wireless/wired?heterogeneous control network is realized.

Description

technical field [0001] The invention relates to a multi-protocol conversion device for introducing a wireless ZigBee network based on the IEEE802.15.4 standard into a CAN-bus field bus and a MODBUS / TCP industrial Ethernet and a method for realizing multi-protocol conversion. Background technique [0002] Fieldbus is a digital communication system that implements two-way serial multi-nodes between the production site and computerized measurement and control equipment. It is also known as an open, digital, and multi-point communication underlying control network. The appearance of the field bus has changed the point-to-point contact between the traditional field instrument device and the main control system, reduced the layout of the field bus cables, and saved the construction cost of the project; at the same time, with the intelligent development of the field instrument device, it is possible to realize the The control function of the system makes the structure of the contro...

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Application Information

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IPC IPC(8): H04L29/06H04L29/12
Inventor 关新平袁亚洲安辉王建杨秋玲
Owner YANSHAN UNIV
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