A PLC remote code updating system and method

A code update and remote technology, applied in the general control system, control/regulation system, program control, etc., can solve the problems of labor cost, time-consuming, etc., and achieve the effects of improving production efficiency, saving time, and saving manpower

Inactive Publication Date: 2017-02-22
HANGZHOU DIANZI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This is time-consuming, labor-intensive and costly

Method used

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  • A PLC remote code updating system and method
  • A PLC remote code updating system and method
  • A PLC remote code updating system and method

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Embodiment Construction

[0027] The present invention will be further described below in conjunction with the accompanying drawings.

[0028] In order to make the technical means, creative features, goals and effects of the present invention easy to understand and understand, the present invention will be further elaborated below in conjunction with specific diagrams.

[0029] Such as figure 1 As shown, a system for updating PLC remote codes includes:

[0030] PLC module for receiving updated PLC code;

[0031] Embedded data transmission terminal, used to receive data from the server and send it to the PLC module, receive data from the PLC module and send it to the server;

[0032] Connecting line, used to connect PLC module and embedded data transmission terminal;

[0033] server for forwarding data;

[0034] A general client terminal, which further includes:

[0035] PLC programming software, used to write PLC code, initiate PLC code update,

[0036] The virtual serial port module is used to c...

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PUM

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Abstract

The invention discloses a PLC remote code updating system and method. According to the invention, an embedded data transmission terminal with a communication function is installed in the industrial field where a PLC is working. A connection between the embedded data transmission terminal and a server is established, and then a general client terminal is connected to the server. Network connection between the PLC module and the general client terminal is established to realize an effect that the PLC module and the general client terminal are logically in direction connection to finally realize PLC remote code updating on the general client terminal through PLC programming software. Thus PLC remote code updating can be effectively carried out, and arrangement of specially-assigned persons to the industrial field is not needed, thus saving manpower, reducing the cost of industrial control and improving production efficiency.

Description

technical field [0001] The invention relates to a system for updating PLC remote codes in the field of automation control, in particular to a system and a method for updating codes of PLCs. Background technique [0002] A programmable logic controller (Programmable Logic Controller, PLC) is a kind of programmable memory used for its internal storage program, generally composed of a power module, a central processing unit (CPU), a memory, an input and output interface circuit, It is composed of functional modules, communication modules and other modules, which can execute instructions such as logic operations, sequence control, timing, counting and arithmetic operations, and control various types of machinery or production processes through digital or analog input / output, because of high reliability, Strong applicability, easy to learn and use, convenient maintenance, small size and other characteristics are widely used in the field of industrial automation and industrial con...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/05
CPCG05B19/056
Inventor 戴国骏王华忠张桦罗姚翔史建凯吴以凡
Owner HANGZHOU DIANZI UNIV
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