Communication protocol conversion card and communication protocol conversion system

A technology of communication protocol and conversion system, applied in the field of communication protocol conversion card and communication protocol conversion system, can solve problems such as high cost and long development cycle

Active Publication Date: 2019-09-17
SHENZHEN INVT ELECTRIC
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the existing solution can use the FPGA IP core solution for slave stati

Method used

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  • Communication protocol conversion card and communication protocol conversion system
  • Communication protocol conversion card and communication protocol conversion system
  • Communication protocol conversion card and communication protocol conversion system

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Experimental program
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Embodiment Construction

[0031] The core of this application is to provide a communication protocol conversion card and a communication protocol conversion system, using the Yaskawa slave station special protocol chip JL103 to communicate with the master station, which is stable and reliable, with controllable cycle and low cost.

[0032] In order to make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments It is a part of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0033] Please refer to figure 1 , figure 1...

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Abstract

The invention discloses a communication protocol conversion card and a communication protocol conversion system,the communication protocol conversion card is applied to a frequency converter and comprises a PHY chip; a JL-103 chip used for obtaining a master station command through the PHY chip, preprocessing the master station command and then sending the master station command to the MCU; the JL-103 chip is also used for packaging the response data according to the MECHATROLINK III protocol and sending the response data to the main station through the PHY chip; and the MCU is used for judging whether the master station command is a self-resolvable command or not, if yes, analyzing and responding to the master station command, then generating response data, and if not, sending the master station command to the frequency converter, receiving analysis data returned by the frequency converter, and generating the response data according to the analysis data. The protocol chip JL-103 special for the Anchuan slave station is adopted to communicate with the master station, stability and reliability are achieved, the period is controllable, and the cost is low.

Description

technical field [0001] The application relates to the field of industrial control, in particular to a communication protocol conversion card and a communication protocol conversion system. Background technique [0002] With the wide application of Ethernet in the industrial field, the application of the frequency converter puts forward higher requirements on the real-time performance of the communication. Because of the high communication rate and strong clock synchronization capability of the MECHATROLINK III protocol, motion controllers and CNC (Computer Numerical Control, CNC machine tool) controllers based on the Yaskawa MECHATROLINK III bus are used in industrial automation fields such as inverters and servos. increasingly widespread. At present, the existing solution can use the FPGA IP core solution for slave station development, but its main disadvantages are high cost and long development cycle. [0003] Therefore, how to provide a solution to the above technical ...

Claims

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Application Information

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IPC IPC(8): H04L29/06H04L12/26
CPCH04L69/08H04L69/22H04L69/26H04L43/18
Inventor 余伟烘柯冬生徐铁柱
Owner SHENZHEN INVT ELECTRIC
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