The KIPS Transactions:PartA (정보처리학회논문지A)

Korea Information Processing Society (한국정보처리학회)
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Operational Semantics for Instruction List with Functions

함수를 포함한 IL 언어의 실행적 의미구조

  • 신승철 (한국기술교육대학교 인터넷미디어공학부) ;
  • 노상훈 (한국기술교육대학교 정보미디어공학과)
  • Published : 2007.12.31
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Abstract

IEC61131-3 is the standard of control languages in which special purpose controllers and motion controllers such as PLC can be programmed. IL(Instruction List), one of the standard languages, is in assembly level but has some high-level features. This paper describes a formal semantics of IL in operational style. Previous works on IL semantics do not include functions and function blocks, which is not so practical. We define IL semantics including functions and function blocks.

PLC와 같은 특수 목적 제어기나 모션 제어기 등을 프로그램하기 위해 제공되는 제어 언어의 표준은 IEC61131-3이다. 이 표준 언어의 하나인 IL(Instruction List)은 어셈블리 수준의 언어이지만 고수준 언어의 특징들도 가지고 있다. 본 논문에서는 IL의 정형적인 의미구조를 실행적 의미구조를 이용하여 정의한다. 기존의 IL 의미구조들은 함수와 함수블록을 포함하지 않는 기본 프로그램만을 대상으로 하기 때문에 실용적이지 못하다. 우리는 함수와 함수블록을 포함하는 IL 의미구조를 정의하였다.

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References

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