Industrial Ethernet protocol converter

A protocol converter and Ethernet technology, which is applied in the field of industrial Ethernet protocol converters, can solve problems such as inconvenient installation, high cost, and large installation space, and achieve the effects of small installation space, improved efficiency, and reduced enterprise application costs

Inactive Publication Date: 2013-04-10
HEBEI UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is: provide the industrial Ethernet protocol converter, the Modbus RTU network and the Ethernet network are interconnected, utilize the advantage of Ethern

Method used

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  • Industrial Ethernet protocol converter
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Example Embodiment

[0037] Example

[0038] As per above Figure 1 ~ Figure 6 The device of the embodiment cost the industrial Ethernet protocol converter of the invention. The MCU module 1 is selected from Freescale's 16-bit HCS series MCU MC9S12NE64VTU, with 10M / 100M adaptive Ethernet MAC controller, through its own MII interface External Ethernet PHY chip, realize address recognition and Ethernet type filtering, support half-duplex and full-duplex communication, use twisted pair connection to connect to industrial Ethernet, the longest communication distance is not more than 100 meters. The overall circuit of the industrial Ethernet protocol converter takes MCU module 1 as the core. Power module 2 uses the commonly used DC24V input as the main input of the power supply, and to avoid excessive voltage drop and burn power module 2, first use DC24V-DC5V The isolated power supply changes the DC24V input into DC5V output, and then uses the DC5V DC3.3V voltage regulator chip to change the DC5V input i...

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Abstract

The invention discloses an industrial Ethernet protocol converter and relates to a digital information transmission data switch network. The industrial Ethernet protocol converter comprises a hardware part and a software part, wherein the hardware part is composed of a microprogrammed control unit (MCU) module, a power supply module, a RS485 serial interface module, an Ethernet interface module, an external expansion memorizer, a communication state indicating module and a reset and crystal oscillator circuit. The software part comprises an Open transmission control protocol (TCP) protocol stack embedded in a singlechip and a hyper text transport protocol (HTTP) webpage protocol embedded in the singlechip. The hardware part takes the MCU as a central component, and achieves the connection with a Modbus network through the RS485 serial interface and the connection with the industrial Ethernet with the Ethernet interface module, and all the hardware parts cooperate mutually to enable the Modbus network to be communicated with the information of the industrial Ethernet. The industrial Ethernet protocol converter achieves high-speed and real-time communication of on-site equipment of the Modbus network, and overcomes the defects that installing space is large, cost is high and installation is inconvenient in the prior art.

Description

technical field [0001] The technical scheme of the invention relates to a data switch network for digital information transmission, specifically an industrial Ethernet protocol converter. Background technique [0002] The rapid development of network technology has triggered profound technological changes in the field of automatic control. The network control technology represented by fieldbus and industrial Ethernet technology is the product of the combination of modern automatic control technology and information network technology, and is the focus of information technology to drive industrialization. R & D direction. At present, the network control technology is developing from the traditional field bus network control technology to the industrial Ethernet network control technology. Utilizing a series of ready-made protocols of Ethernet and adding the protocols required by industrial communication in the application layer, it meets the requirements of today's industria...

Claims

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Application Information

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IPC IPC(8): H04L29/06H04L29/08H04L12/40
Inventor 陆俭国任世彬刘国兴李奎王丽丽张军韩松张添琦陈思敏
Owner HEBEI UNIV OF TECH
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