tutorial

PetriLLD TutorialJames BruseyPetriLLD Tutorialby James BruseySecond EditionCopyright © 2005, 2006 James BruseyPetriLLD is a graphical development environment that allows the user to constructand test control programs for discrete event systems. The graphical language isa simple form of Petri net with some notational changes that allow it to expresssensory input. Once the Petri net is designed and tested, it can be output in anumber of different forms, including PLC (programmable logic controller) ladderlogic diagrams, and various high-level languages including Java and Visual Basic.The mainfeaturesof thistool aretheabilityto rapidlyconstruct sophisticated con-trol systems that include a large amount of distributed and concurrent behaviour;the ability to compile to both general purpose computer and PLC forms; and theability to separate the description of the behaviour from the implementation in-stance.This tutorial is intended to guide the user through their first use of the tool. Ithas been written with version 1.1 (build 20060917) in mind, so if you have anearlierversion, youmightliketostartbygoingthroughtheinstallationsectionandinstalling the latest version.Permission is granted to copy, distribute and/or modify this document under the terms of the GNUFree Documentation License,Version 1.2 or any later version published by the Free SoftwareFoundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of thelicense ...