Programming language conversion system of programmable logic controller

A programming language and programming logic technology, applied in the computer field, can solve the problems of inconvenient PLC program porting, development and verification, and achieve the effect of improving safety and reliability and broad application prospects.

Active Publication Date: 2019-01-04
上海丰蕾信息科技有限公司
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0006] In view of the above problems, the purpose of the present invention is to solve the problems in the prior art that are not convenient for PLC programs to be transplanted, developed and verified by providing a programmable logic controller programming language conversion system

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  • Programming language conversion system of programmable logic controller
  • Programming language conversion system of programmable logic controller
  • Programming language conversion system of programmable logic controller

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Embodiment Construction

[0045] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

[0046]It should be noted that, unless otherwise specified, the technical terms or scientific terms used in the present invention shall have the usual meanings understood by those skilled in the art to which the present invention belongs.

[0047] The embodiment of the present invention provides a programmable logic controller programming language conversion system. Embodiments of the present invention will be described below in con...

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Abstract

The invention provides a programming language conversion system of a programmable logic controller. The programming language conversion system comprises an abstract syntax tree conversion module, a ladder diagram conversion module, a function block diagram conversion module, a sequence function table-diagram conversion module, a structured text conversion module, an instruction table conversion module, and an ICIL intermediate structure conversion module. With the programming language conversion system, unified conversion of the IEC 61131-3 language is realized; a phenomenon that a corresponding transplanting code is compiled for each kind of PLC language during the process of development and transplantation of PLC products of different manufacturers is avoided; and the intermediate-language-based formal modeling, analysis and verification work can be carried out deeply.

Description

technical field [0001] The invention relates to the field of computer technology, in particular to a programmable logic controller programming language conversion system. Background technique [0002] In the early PLC (Programmable Logic Controller, programmable logic controller) programming, different electrical equipment suppliers, including Siemens, Mitsubishi, Beckhoff and other manufacturers have their own PLC programming language specifications. This has caused great difficulties in the transplantation of PLC programs between different manufacturers' equipment. In 1993, the International Electrotechnical Commission (International Electrotechnical Commission, IEC) promulgated the international standard IEC61131-3 for PLC programming. This standard unifies the specifications of five PLC programming languages ​​(ladder diagram, function block diagram, sequential function table diagram, structured text and instruction list language), thus proposing a solution to the probl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/05
CPCG05B19/054G05B2219/1103
Inventor 史建琦黄滟鸿何积丰李昂蔡方达
Owner 上海丰蕾信息科技有限公司
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