Towards the automatic verification of PLC programs written in Instruction List
نویسندگان
چکیده
We propose a framework for the automatic verification of PLC (Programmable Logic Controllers) programs written in Instruction List, one of the five languages defined in the IEC 61131-3 standard. We propose a formal semantics for a significant fragment of the IL language, and a direct coding of this semantics into a model checking tool. We then automatically verify rich behavioral properties written in linear temporal logic. Our approach is illustrated on the example of the tool-holder of a turning center. Keywords— Verification, Instruction List, IEC 61131-3, model checking, operational semantics.
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تاریخ انتشار 2000