PLC continuous function diagram compiling and interpreting method and device

A function diagram and function block technology, applied in the field of PLC continuous function diagram compilation and interpretation, can solve problems such as complicated compilation process, complex interpretation and execution process, and many fault points, so as to simplify the compilation and interpretation process, save computing resources, and reduce The effect of error rate

Inactive Publication Date: 2018-08-07
SHANDONG CHAOYUE DATA CONTROL ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The compilation process of this method is complex, inefficient, and error-prone; the interpretation and execution process is complex, there are many failure points, it takes up more resources, and affects efficie...

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  • PLC continuous function diagram compiling and interpreting method and device
  • PLC continuous function diagram compiling and interpreting method and device
  • PLC continuous function diagram compiling and interpreting method and device

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Embodiment Construction

[0036] In order to make the object, technical solution and advantages of the present invention clearer, the embodiments of the present invention will be further described in detail below in conjunction with specific embodiments and with reference to the accompanying drawings.

[0037] It should be noted that all expressions using "first" and "second" in the embodiments of the present invention are to distinguish two entities with the same name but different parameters or parameters that are not the same, see "first" and "second" It is only for the convenience of expression, and should not be construed as a limitation on the embodiments of the present invention, which will not be described one by one in the subsequent embodiments.

[0038] Based on the above purpose, the first aspect of the embodiments of the present invention proposes a method capable of compiling and interpreting different continuous function charts or different types of continuous function charts. figure 1 W...

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Abstract

The invention discloses a PLC continuous function diagram compiling and interpreting method and device. The method comprises steps that a continuous function diagram is constructed as a continuous function diagram matrix with multiple function blocks; all the function blocks of the continuous function diagram matrix are arranged according to the execution order; connection between the function blocks is established, and nodes representing local variables are generated; project files are compiled and generated based on the nodes among the function blocks. The method is advantaged in that compilation and interpretation for different continuous function diagrams or different types of continuous function diagrams can be carried out, the compilation and interpretation process is simplified, efficiency is improved, the false rate is reduced, fault points are reduced, and calculation resources are saved.

Description

technical field [0001] The invention relates to the field of programmable controllers, and more specifically, relates to a PLC continuous function diagram compiling and interpreting method and device. Background technique [0002] The IL instruction list programming language of programmable logic controller (PLC) is a mnemonic programming language similar to assembly language. It is composed of operation codes and operands like assembly language, and is easy to be recognized and executed by PLC. Its programming is convenient and flexible but not intuitive enough, which has high requirements for programmers. In order to facilitate users and reduce the requirements for programmers, intuitive graphical programming technology, that is, continuous function chart programming, can be used. The continuous function diagram is an extension of the function block diagram, which is suitable for large-scale systems with complex control relationships. Graphical programming is intuitive a...

Claims

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Application Information

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IPC IPC(8): G05B19/05
CPCG05B19/056
Inventor 高金宁李长志国庆利唐汉钊赵鹏
Owner SHANDONG CHAOYUE DATA CONTROL ELECTRONICS CO LTD
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