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Details
Inventors: Hoskins, Josiah C.; Brooks, Ruven E.;
Assignee: Rockwell Technologies, L.L.C. (Thousand Oaks, CA)
Primary Examiner: Bayerl; Raymond J.
Assistant Examiner: Nguyen; Cao H.
Attorney, Agent or Firm: Jaskolski; Michael A., Walbrun; William R.

A development tool for use in specifying at least a sub-set of information required to generate control tools for an industrial process wherien the process is performed by mechanical resources, the control tools include execution logic, simulation facilitating tools, diagnostic tools, HMI tools and schematic diagrams, the development tool including a plurality of control assembles (CA), a separate CA for each mechanical resource type, which can be instantiated by selection and parameterization via an editor to specify the required information, after instantiation, the CAs compiled to generate the tools.

DETAILED DESCRIPTION OF THE INVENTION I.
Newly Added Specification While it is contemplated that the inventive editors and database may be implemented in any of several different computer technologies, preferably, the editors are implemented using universal technologies such as JAVA by Sun Microsystems or ActiveX by Microsoft.
Also, while it is contemplated that the PLC logic may be implemented in any of several different computer languages, because most PLCs run relay ladder logic (LL) programs, it is preferred that the PLC logic be in the LL language and is described as such hereinafter.
Unless indicated otherwise, identical numbers and legends on different Figures are used to refer to identical system components, signals, constructs and so on.
While the invention includes various interfaces and editors for enabling a system user to specify logic, initially an industrial controls paradigm will be explained which serves as a foundation for the inventive editors, compiler and simulator.
This paradigm will make all of the aspects of the present invention more easily understandable.
After the industrial controls paradigm is described, a CA editor, an HMI editor and a diagnostics editor are described which use the controls paradigm to specify controls logic.
Next, the inventive compiler is described followed by the inventive simulator which uses compiler output to drive a virtual machine line using real world execution code.
A.
Industrial Control Paradigm When performing the controls engineering tasks, a control engineer has to provide many different types of controls information including, among other types: (1) control mechanism specification; (2) logic or execution codeto control the control mechanisms; (3) logic or execution code to supportdiagnostic requirements; (4) logic or execution code to support HMIs; (5) schematic electrical and hydraulic diagrams and so on.
Hereinafter, all of the controls information provided at the end of a control engineering process will be referred to generally as "control products



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