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Embedded PLC control system

A control system and embedded technology, applied in the field of PLC research and control, can solve the problem of high cost and achieve the effect of solving high cost and reducing cost

Inactive Publication Date: 2016-11-16
MIANYANG WEIBO ELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The invention provides an embedded PLC control system, which solves the technical problem of high cost in the existing dedicated PLC, realizes that the user can define the I / O port of the embedded PLC according to the requirements, and reconfigure it for special applications Process to achieve individual needs, avoid the purchase of dedicated PLC, and reduce the technical effect of cost

Method used

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Embodiment 1

[0040] Please refer to figure 1 , The application provides an embedded PLC control system, the system includes: a programming module, a compilation conversion module, a logic virtual machine module, a system resource management service module, an I / O image module, and a communication module.

[0041] The system workflow is:

[0042] The user performs programming by the PLC programmer on the human-computer interaction interface, and this function is realized by the programming module. After editing, the user converts it into PLC internal intermediate code by compiling the conversion module, and then the compiler of the running system translates the intermediate code into machine executable code related to PLC (that is, the data format recognized by the system). Through the communication module, it is transmitted to the host computer of the PLC host for intermediate code storage, and the intermediate code is transferred to the logic virtual machine module in the lower computer ...

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Abstract

The invention discloses an embedded PLC control system. The system includes: a programming module, which is used to match with a man-machine interface module, and provides programming services; a compiling and converting module, which is used to convert The user program is converted into PLC internal intermediate code; the logic virtual machine module is used to execute the intermediate code, and completes the control of input and output according to the logic description of the program; the system resource management service module, the system resource management The service module is used to provide the required resources for the PLC function; the I / O image module, the I / O image module is used to input the external signal into the internal image unit, and output the logic processing result to the external port, so that the user can It is required to define the I / O port of the embedded PLC by itself, restructure the process for special applications to meet individual needs, avoid purchasing a dedicated PLC, and reduce the technical effect of cost.

Description

technical field [0001] The invention relates to the field of PLC research control, in particular to an embedded PLC control system. Background technique [0002] Programmable logic controller is a kind of programmable memory, which is used to store programs inside, execute logic operations, sequence control, timing, counting and arithmetic operations and other user-oriented instructions, and through digital or analog input / Output controls various types of machinery or production processes. [0003] In the process of production, according to actual needs, there are large differences in the number and requirements of different users for I / O control. If you buy a dedicated PLC, the cost pressure will be very high. [0004] To sum up, in the process of realizing the technical solution of the invention in the embodiment of the present application, the inventor of the present application found that the above-mentioned technology has at least the following technical problems: ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/05
CPCG05B19/05G05B19/056
Inventor 陈禹伶刘华健杨奕昕贺思桥袁敏娟陈波熊金赵毅忠
Owner MIANYANG WEIBO ELECTRONICS
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