A transformation from a Boolean equation control specification to a Petri net.

IIE Transactions | February 1, 1995| | Copyright

1. Introduction

In industrial applications the control logic would commonly be implemented on a small specific purpose computer called a Programmable Logic Controller (PLC). Although the programming of a PLC is fairly simple for a small system with a limited number of inputs and outputs, with larger systems the programming tasks can become quite complex. Aside from the initial task of implementing a complex PLC programmed system, there is the continuing task of maintaining the program as changes in the system are necessary. Because PLC programs commonly use certain ...

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