FBD program testing method and device
A program and execution model technology, applied in the field of FBD program testing methods and devices, can solve problems such as program testing that cannot be complex systems, and achieve the effect of testing
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[0051]The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
[0052] In this application, functions such as eval function, trans function, build_trans function, build_exec function, and exec function are named only to distinguish each function or program, and do not constitute a limitation.
[0053] Function block diagram (FBD) is one of the three graphic languages in the IEC61131-3 standard, and has a wide range of applications in the field of PLC.
[0054] In the prior art, a formal method is...
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